EPAC : INVEST 90E
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- cycloneye
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EPAC : INVEST 90E
The first invest for the EPAC.
BEGIN
NHC_ATCF
invest_ep902009.invest
FSTDA
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040
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200905301212
NONE
NOTIFY=ATRP
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INVEST, EP, E, , , , , 90, 2009, DB, O, 2009053012, 9999999999, , , , , , METWATCH, , EP902009
EP, 90, 2009053012, , BEST, 0, 80N, 970W, 25, 0, DB, 0, , 0, 0, 0, 0,
ftp://ftp.tpc.ncep.noaa.gov/atcf/tcweb/
BEGIN
NHC_ATCF
invest_ep902009.invest
FSTDA
R
U
040
010
0000
200905301212
NONE
NOTIFY=ATRP
END
INVEST, EP, E, , , , , 90, 2009, DB, O, 2009053012, 9999999999, , , , , , METWATCH, , EP902009
EP, 90, 2009053012, , BEST, 0, 80N, 970W, 25, 0, DB, 0, , 0, 0, 0, 0,
ftp://ftp.tpc.ncep.noaa.gov/atcf/tcweb/
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- cycloneye
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Re: EPac : INVEST 90E
The Model suite is leaning towards slow development in the first run.They mainly track West to WNW with one model going north.
WHXX01 KMIA 301232
CHGE77
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1232 UTC SAT MAY 30 2009
DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.
EAST PACIFIC OBJECTIVE AIDS FOR
DISTURBANCE INVEST (EP902009) 20090530 1200 UTC
...00 HRS... ...12 HRS... ...24 HRS. .. ...36 HRS...
090530 1200 090531 0000 090531 1200 090601 0000
LAT LON LAT LON LAT LON LAT LON
BAMS 8.0N 97.0W 8.6N 98.5W 9.2N 100.1W 9.5N 102.1W
BAMD 8.0N 97.0W 8.3N 98.2W 8.7N 99.4W 9.1N 100.6W
BAMM 8.0N 97.0W 8.5N 98.4W 8.9N 99.8W 9.1N 101.4W
LBAR 8.0N 97.0W 8.5N 98.7W 9.2N 100.4W 9.9N 102.4W
SHIP 25KTS 27KTS 29KTS 31KTS
DSHP 25KTS 27KTS 29KTS 31KTS
...48 HRS... ...72 HRS... ...96 HRS. .. ..120 HRS...
090601 1200 090602 1200 090603 1200 090604 1200
LAT LON LAT LON LAT LON LAT LON
BAMS 9.8N 104.2W 10.3N 108.3W 10.4N 112.7W 11.0N 116.8W
BAMD 9.3N 101.8W 9.9N 104.8W 10.9N 108.6W 13.0N 112.5W
BAMM 9.2N 103.0W 9.6N 106.7W 10.1N 110.9W 11.3N 115.1W
LBAR 10.8N 104.7W 13.0N 109.0W 16.3N 112.0W 20.3N 113.0W
SHIP 35KTS 42KTS 43KTS 45KTS
DSHP 35KTS 42KTS 43KTS 45KTS
...INITIAL CONDITIONS...
LATCUR = 8.0N LONCUR = 97.0W DIRCUR = 270DEG SPDCUR = 10KT
LATM12 = 8.0N LONM12 = 95.0W DIRM12 = 270DEG SPDM12 = 10KT
LATM24 = 8.0N LONM24 = 93.0W
WNDCUR = 25KT RMAXWD = 100NM WNDM12 = 25KT
CENPRS = 1009MB OUTPRS = 1010MB OUTRAD = 300NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM

WHXX01 KMIA 301232
CHGE77
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1232 UTC SAT MAY 30 2009
DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.
EAST PACIFIC OBJECTIVE AIDS FOR
DISTURBANCE INVEST (EP902009) 20090530 1200 UTC
...00 HRS... ...12 HRS... ...24 HRS. .. ...36 HRS...
090530 1200 090531 0000 090531 1200 090601 0000
LAT LON LAT LON LAT LON LAT LON
BAMS 8.0N 97.0W 8.6N 98.5W 9.2N 100.1W 9.5N 102.1W
BAMD 8.0N 97.0W 8.3N 98.2W 8.7N 99.4W 9.1N 100.6W
BAMM 8.0N 97.0W 8.5N 98.4W 8.9N 99.8W 9.1N 101.4W
LBAR 8.0N 97.0W 8.5N 98.7W 9.2N 100.4W 9.9N 102.4W
SHIP 25KTS 27KTS 29KTS 31KTS
DSHP 25KTS 27KTS 29KTS 31KTS
...48 HRS... ...72 HRS... ...96 HRS. .. ..120 HRS...
090601 1200 090602 1200 090603 1200 090604 1200
LAT LON LAT LON LAT LON LAT LON
BAMS 9.8N 104.2W 10.3N 108.3W 10.4N 112.7W 11.0N 116.8W
BAMD 9.3N 101.8W 9.9N 104.8W 10.9N 108.6W 13.0N 112.5W
BAMM 9.2N 103.0W 9.6N 106.7W 10.1N 110.9W 11.3N 115.1W
LBAR 10.8N 104.7W 13.0N 109.0W 16.3N 112.0W 20.3N 113.0W
SHIP 35KTS 42KTS 43KTS 45KTS
DSHP 35KTS 42KTS 43KTS 45KTS
...INITIAL CONDITIONS...
LATCUR = 8.0N LONCUR = 97.0W DIRCUR = 270DEG SPDCUR = 10KT
LATM12 = 8.0N LONM12 = 95.0W DIRM12 = 270DEG SPDM12 = 10KT
LATM24 = 8.0N LONM24 = 93.0W
WNDCUR = 25KT RMAXWD = 100NM WNDM12 = 25KT
CENPRS = 1009MB OUTPRS = 1010MB OUTRAD = 300NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM

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- cycloneye
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Re: EPAC : INVEST 90E
It looks like shear wont be a problem for this disturbance according to the first SHIP forecast.
ftp://ftp.tpc.ncep.noaa.gov/atcf/stext/
Code: Select all
* EAST PACIFIC SHIPS INTENSITY FORECAST *
* GOES DATA AVAILABLE *
* OHC DATA AVAILABLE *
* INVEST EP902009 05/30/09 12 UTC *
TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120
V (KT) NO LAND 25 26 27 28 29 31 35 39 42 43 43 43 45
V (KT) LAND 25 26 27 28 29 31 35 39 42 43 43 43 45
V (KT) LGE mod 25 25 25 26 26 26 26 27 28 30 32 34 36
SHEAR (KT) 7 9 7 8 9 11 6 11 9 6 9 12 10
SHEAR DIR 273 298 307 289 262 276 282 316 321 198 199 190 167
SST (C) 28.9 28.9 28.9 28.8 28.8 28.8 28.7 28.8 28.8 28.6 28.3 28.0 27.6
POT. INT. (KT) 153 153 152 151 152 152 151 152 153 151 148 145 140
200 MB T (C) -53.7 -53.2 -52.5 -52.8 -53.1 -52.5 -52.9 -52.3 -53.3 -52.7 -53.5 -53.0 -53.6
TH_E DEV (C) 8 8 9 9 9 10 10 9 9 9 9 9 8
700-500 MB RH 64 61 60 60 64 59 66 67 68 63 62 58 52
GFS VTEX (KT) 8 8 8 7 6 6 LOST LOST LOST LOST LOST LOST LOST
850 MB ENV VOR 28 22 17 8 0 -9 -10 -15 -16 -14 -18 -15 -15
200 MB DIV 104 91 97 104 82 107 89 86 75 36 35 40 39
LAND (KM) 860 842 828 819 812 848 909 954 1023 1113 1208 1291 1398
LAT (DEG N) 8.0 8.3 8.5 8.7 8.9 9.1 9.2 9.5 9.6 9.8 10.1 10.7 11.3
LONG(DEG W) 97.0 97.7 98.4 99.1 99.8 101.4 103.0 104.7 106.7 108.8 110.9 113.0 115.1
STM SPEED (KT) 9 7 7 7 8 8 8 9 10 10 11 11 10
HEAT CONTENT 0 0 0 0 0 32 30 29 30 31 28 22 26
FORECAST TRACK FROM BAMM INITIAL HEADING/SPEED (DEG/KT):270/ 10 CX,CY: -9/ 0
T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 618 (MEAN=581)
GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 15.8 (MEAN=14.5)
% GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 74.0 (MEAN=65.0)
INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
6 12 18 24 36 48 60 72 84 96 108 120
----------------------------------------------------------
SAMPLE MEAN CHANGE 0. 0. 0. 1. 1. 1. 0. 0. -1. -1. -2. -2.
SST POTENTIAL 0. 0. 0. 2. 7. 13. 20. 27. 31. 33. 35. 36.
VERTICAL SHEAR MAG 1. 2. 3. 3. 5. 6. 7. 7. 9. 10. 10. 10.
VERTICAL SHEAR DIR -1. -2. -3. -4. -8. -12. -14. -15. -16. -17. -17. -16.
PERSISTENCE 0. 0. 0. -1. -1. -1. -1. -1. -1. -1. -1. 0.
200/250 MB TEMP. 0. 0. 0. 0. -1. -1. -2. -2. -2. -2. -1. 1.
THETA_E EXCESS 0. 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 1.
700-500 MB RH 0. 0. 0. 0. 1. 1. 1. 2. 2. 2. 2. 2.
GFS VORTEX TENDENCY 0. 0. 0. -1. -2. -2. -2. -2. -2. -2. -2. -2.
850 MB ENV VORTICITY 0. 0. 0. 0. 0. -1. -1. -2. -2. -3. -3. -4.
200 MB DIVERGENCE 0. 1. 2. 2. 3. 3. 3. 2. 0. -1. -2. -3.
ZONAL STORM MOTION 0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. 1.
STEERING LEVEL PRES 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 1.
DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. -1. -1. -1. -2. -2. -2.
GOES PREDICTORS 1. 2. 2. 2. 2. 1. 0. -1. -1. -2. -2. -2.
OCEAN HEAT CONTENT 0. -1. -1. -2. -1. -1. 0. 0. 0. 0. 0. 0.
----------------------------------------------------------
TOTAL CHANGE 1. 2. 3. 4. 6. 10. 14. 17. 18. 18. 19. 20.
** 2009 E. Pacific RI INDEX EP902009 INVEST 05/30/09 12 UTC **
( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR)
12 HR PERSISTENCE (KT): 0.0 Range:-20.0 to 35.0 Scaled/Wgted Val: 0.4/ 0.8
850-200 MB SHEAR (KT) : 7.9 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.5/ 0.6
D200 (10**7s-1) : 95.6 Range:-10.0 to 129.0 Scaled/Wgted Val: 0.8/ 0.5
POT = MPI-VMAX (KT) : 127.2 Range: 46.6 to 134.3 Scaled/Wgted Val: 0.9/ 0.9
850-700 MB REL HUM (%): 77.0 Range: 64.0 to 88.0 Scaled/Wgted Val: 0.5/ 0.2
% area w/pixels <-30 C: 63.0 Range: 26.0 to 100.0 Scaled/Wgted Val: 0.5/ 0.3
STD DEV OF IR BR TEMP : 15.8 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.6/ 0.9
Heat content (KJ/cm2) : 0.0 Range: 4.0 to 67.0 Scaled/Wgted Val: 0.0/ 0.0
Prob of RI for 25 kt RI threshold= 4% is 0.3 times the sample mean(11.5%)
Prob of RI for 30 kt RI threshold= 2% is 0.3 times the sample mean( 7.7%)
Prob of RI for 35 kt RI threshold= 1% is 0.3 times the sample mean( 5.2%)
## ANNULAR HURRICANE INDEX (AHI) EP902009 INVEST 05/30/09 12 UTC ##
## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=4 NFAIL=3 ##
## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##
## NOTE: 1 INSTEAD OF 2 GOES FILES USED
ftp://ftp.tpc.ncep.noaa.gov/atcf/stext/
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Re: EPAC : INVEST 90E
Props to "meteorologyman" from the Magic Kingdom area who picked up on this Wednesday.
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- cycloneye
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Re: EPAC : INVEST 90E
From the Pacific Discussion.
AXPZ20 KNHC 302116
TWDEP
TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SAT MAY 30 2009
TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM
THE EQUATOR TO 32N...EAST OF 140W.
BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2100 UTC.
...TROPICAL WAVES...
TROPICAL WAVE ALONG 98W FROM 05N TO 14N IS MOVING W ABOUT 10 KT.
THIS FEATURE HAS BECOME A LITTLE BETTER ORGANIZED DURING THE
DAYLIGHT HOURS AS INDICATED BY VISIBLE SATELLITE IMAGERY. AREAS
OF SCATTERED MODERATE ISOLATED STRONG CONVECTION EXTENDS UPWARDS
OF FOUR TO FIVE DEGREES EITHER SIDE OF THE WAVE AXIS. WINDS
ALOFT SUPPORT GRADUAL DEVELOPMENT OVER THE NEXT COUPLE OF DAYS.
http://www.nhc.noaa.gov/text/refresh/MI ... 2116.shtml?
AXPZ20 KNHC 302116
TWDEP
TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SAT MAY 30 2009
TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM
THE EQUATOR TO 32N...EAST OF 140W.
BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2100 UTC.
...TROPICAL WAVES...
TROPICAL WAVE ALONG 98W FROM 05N TO 14N IS MOVING W ABOUT 10 KT.
THIS FEATURE HAS BECOME A LITTLE BETTER ORGANIZED DURING THE
DAYLIGHT HOURS AS INDICATED BY VISIBLE SATELLITE IMAGERY. AREAS
OF SCATTERED MODERATE ISOLATED STRONG CONVECTION EXTENDS UPWARDS
OF FOUR TO FIVE DEGREES EITHER SIDE OF THE WAVE AXIS. WINDS
ALOFT SUPPORT GRADUAL DEVELOPMENT OVER THE NEXT COUPLE OF DAYS.
http://www.nhc.noaa.gov/text/refresh/MI ... 2116.shtml?
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- HURAKAN
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597
ABPZ20 KNHC 302339
TWOEP
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT SAT MAY 30 2009
FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..
SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH AN AREA OF
DISTURBED WEATHER LOCATED SEVERAL HUNDRED MILES SOUTH-SOUTHEAST OF
ACAPULCO MEXICO REMAINS DISORGANIZED. HOWEVER...CONDITIONS APPEAR
FAVORABLE FOR SOME SLOW DEVELOPMENT OF THIS SYSTEM DURING THE NEXT
COUPLE OF DAYS AS IT MOVES WESTWARD AT 5 TO 10 MPH. THERE IS A LOW
CHANCE... LESS THAN 30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS.
ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.
$$
FORECASTER BROWN
ABPZ20 KNHC 302339
TWOEP
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT SAT MAY 30 2009
FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..
SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH AN AREA OF
DISTURBED WEATHER LOCATED SEVERAL HUNDRED MILES SOUTH-SOUTHEAST OF
ACAPULCO MEXICO REMAINS DISORGANIZED. HOWEVER...CONDITIONS APPEAR
FAVORABLE FOR SOME SLOW DEVELOPMENT OF THIS SYSTEM DURING THE NEXT
COUPLE OF DAYS AS IT MOVES WESTWARD AT 5 TO 10 MPH. THERE IS A LOW
CHANCE... LESS THAN 30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS.
ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.
$$
FORECASTER BROWN
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- cycloneye
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Re: EPAC : INVEST 90E
WHXX01 KMIA 310040
CHGE77
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0040 UTC SUN MAY 31 2009
DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.
EAST PACIFIC OBJECTIVE AIDS FOR
DISTURBANCE INVEST (EP902009) 20090531 0000 UTC
...00 HRS... ...12 HRS... ...24 HRS. .. ...36 HRS...
090531 0000 090531 1200 090601 0000 090601 1200
LAT LON LAT LON LAT LON LAT LON
BAMS 9.1N 96.8W 9.7N 98.7W 10.1N 100.7W 10.5N 102.9W
BAMD 9.1N 96.8W 9.5N 98.2W 9.9N 99.6W 10.2N 100.9W
BAMM 9.1N 96.8W 9.6N 98.5W 10.0N 100.2W 10.3N 101.9W
LBAR 9.1N 96.8W 9.7N 98.0W 10.5N 99.8W 11.4N 101.9W
SHIP 25KTS 26KTS 30KTS 31KTS
DSHP 25KTS 26KTS 30KTS 31KTS
...48 HRS... ...72 HRS... ...96 HRS. .. ..120 HRS...
090602 0000 090603 0000 090604 0000 090605 0000
LAT LON LAT LON LAT LON LAT LON
BAMS 11.1N 105.3W 11.7N 109.5W 12.5N 113.8W 13.3N 117.3W
BAMD 10.6N 102.2W 11.1N 105.3W 12.3N 109.1W 13.9N 113.0W
BAMM 10.6N 103.6W 11.3N 107.6W 12.3N 111.5W 13.4N 115.0W
LBAR 12.9N 104.2W 16.2N 108.0W 20.4N 109.5W 23.0N 108.6W
SHIP 32KTS 38KTS 36KTS 35KTS
DSHP 32KTS 38KTS 36KTS 35KTS
...INITIAL CONDITIONS...
LATCUR = 9.1N LONCUR = 96.8W DIRCUR = 285DEG SPDCUR = 6KT
LATM12 = 8.9N LONM12 = 95.6W DIRM12 = 286DEG SPDM12 = 6KT
LATM24 = 8.5N LONM24 = 94.5W
WNDCUR = 25KT RMAXWD = 90NM WNDM12 = 25KT
CENPRS = 1008MB OUTPRS = 1010MB OUTRAD = 275NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM
00 UTC SHIP forecast.
CHGE77
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0040 UTC SUN MAY 31 2009
DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.
EAST PACIFIC OBJECTIVE AIDS FOR
DISTURBANCE INVEST (EP902009) 20090531 0000 UTC
...00 HRS... ...12 HRS... ...24 HRS. .. ...36 HRS...
090531 0000 090531 1200 090601 0000 090601 1200
LAT LON LAT LON LAT LON LAT LON
BAMS 9.1N 96.8W 9.7N 98.7W 10.1N 100.7W 10.5N 102.9W
BAMD 9.1N 96.8W 9.5N 98.2W 9.9N 99.6W 10.2N 100.9W
BAMM 9.1N 96.8W 9.6N 98.5W 10.0N 100.2W 10.3N 101.9W
LBAR 9.1N 96.8W 9.7N 98.0W 10.5N 99.8W 11.4N 101.9W
SHIP 25KTS 26KTS 30KTS 31KTS
DSHP 25KTS 26KTS 30KTS 31KTS
...48 HRS... ...72 HRS... ...96 HRS. .. ..120 HRS...
090602 0000 090603 0000 090604 0000 090605 0000
LAT LON LAT LON LAT LON LAT LON
BAMS 11.1N 105.3W 11.7N 109.5W 12.5N 113.8W 13.3N 117.3W
BAMD 10.6N 102.2W 11.1N 105.3W 12.3N 109.1W 13.9N 113.0W
BAMM 10.6N 103.6W 11.3N 107.6W 12.3N 111.5W 13.4N 115.0W
LBAR 12.9N 104.2W 16.2N 108.0W 20.4N 109.5W 23.0N 108.6W
SHIP 32KTS 38KTS 36KTS 35KTS
DSHP 32KTS 38KTS 36KTS 35KTS
...INITIAL CONDITIONS...
LATCUR = 9.1N LONCUR = 96.8W DIRCUR = 285DEG SPDCUR = 6KT
LATM12 = 8.9N LONM12 = 95.6W DIRM12 = 286DEG SPDM12 = 6KT
LATM24 = 8.5N LONM24 = 94.5W
WNDCUR = 25KT RMAXWD = 90NM WNDM12 = 25KT
CENPRS = 1008MB OUTPRS = 1010MB OUTRAD = 275NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM
00 UTC SHIP forecast.
Code: Select all
* EAST PACIFIC SHIPS INTENSITY FORECAST *
* GOES DATA AVAILABLE *
* OHC DATA AVAILABLE *
* INVEST EP902009 05/31/09 00 UTC *
TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120
V (KT) NO LAND 25 26 26 27 30 31 32 35 38 37 36 35 35
V (KT) LAND 25 26 26 27 30 31 32 35 38 37 36 35 35
V (KT) LGE mod 25 25 25 25 25 23 21 20 20 20 20 21 21
SHEAR (KT) 6 10 11 14 14 18 16 7 6 8 13 10 9
SHEAR DIR 288 259 245 253 272 258 287 307 186 208 206 207 162
SST (C) 29.1 29.1 29.0 29.0 29.0 28.9 28.9 28.8 28.7 28.3 27.9 27.6 27.1
POT. INT. (KT) 155 155 154 154 154 153 153 153 152 147 143 140 135
200 MB T (C) -52.7 -53.2 -53.4 -53.1 -52.6 -52.9 -52.5 -53.2 -52.8 -53.5 -53.0 -53.9 -53.8
TH_E DEV (C) 9 9 10 10 10 10 9 9 9 9 8 8 7
700-500 MB RH 62 63 63 64 66 67 66 69 64 64 60 55 51
GFS VTEX (KT) 7 6 6 8 9 8 9 8 8 8 7 6 5
850 MB ENV VOR 10 1 -3 -2 -10 -18 -20 -16 -6 -8 -5 -9 -18
200 MB DIV 108 82 84 85 79 42 38 8 20 24 53 41 24
LAND (KM) 736 721 709 704 707 748 793 840 903 983 1050 1142 1180
LAT (DEG N) 9.1 9.4 9.6 9.8 10.0 10.3 10.6 10.9 11.3 11.7 12.3 12.7 13.4
LONG(DEG W) 96.8 97.7 98.5 99.4 100.2 101.9 103.6 105.5 107.6 109.6 111.5 113.1 115.0
STM SPEED (KT) 8 9 9 9 9 8 9 10 10 10 9 9 9
HEAT CONTENT 0 0 0 0 37 36 33 38 40 36 33 25 17
FORECAST TRACK FROM BAMM INITIAL HEADING/SPEED (DEG/KT):285/ 6 CX,CY: -5/ 2
T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 598 (MEAN=581)
GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 11.8 (MEAN=14.5)
% GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 77.0 (MEAN=65.0)
INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
6 12 18 24 36 48 60 72 84 96 108 120
----------------------------------------------------------
SAMPLE MEAN CHANGE 0. 0. 0. 1. 1. 1. 0. 0. -1. -1. -2. -2.
SST POTENTIAL 0. 0. 0. 2. 7. 13. 21. 27. 31. 33. 35. 36.
VERTICAL SHEAR MAG 1. 2. 2. 3. 3. 2. 3. 4. 5. 5. 6. 7.
VERTICAL SHEAR DIR -1. -2. -4. -6. -10. -14. -17. -19. -21. -22. -22. -21.
PERSISTENCE 0. 0. 0. -1. -1. -1. -1. -1. -1. -1. -1. 0.
200/250 MB TEMP. 0. 0. 0. 0. 0. 0. -1. -1. -1. -1. 0. 1.
THETA_E EXCESS 0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 0. 0.
700-500 MB RH 0. 0. 0. 1. 1. 1. 2. 2. 2. 2. 2. 2.
GFS VORTEX TENDENCY 0. 0. 1. 2. 1. 2. 2. 3. 2. 1. -1. -2.
850 MB ENV VORTICITY 0. 0. 0. 0. -1. -1. -2. -2. -3. -3. -4. -4.
200 MB DIVERGENCE 0. 1. 2. 2. 2. 2. 1. 1. 0. -1. -1. -1.
ZONAL STORM MOTION 0. 0. 0. 0. -1. -1. -1. -1. -1. -1. -1. -1.
STEERING LEVEL PRES 0. 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 1.
DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. -1. -1. -1. -2. -2. -2.
GOES PREDICTORS 1. 2. 3. 3. 3. 2. 1. 0. -1. -2. -2. -2.
OCEAN HEAT CONTENT 0. -1. -1. -1. 0. 0. 0. 1. 1. 1. 1. 1.
----------------------------------------------------------
TOTAL CHANGE 1. 1. 2. 5. 6. 7. 10. 13. 12. 11. 10. 10.
** 2009 E. Pacific RI INDEX EP902009 INVEST 05/31/09 00 UTC **
( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR)
12 HR PERSISTENCE (KT): 0.0 Range:-20.0 to 35.0 Scaled/Wgted Val: 0.4/ 0.8
850-200 MB SHEAR (KT) : 11.2 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.3/ 0.3
D200 (10**7s-1) : 87.6 Range:-10.0 to 129.0 Scaled/Wgted Val: 0.7/ 0.5
POT = MPI-VMAX (KT) : 129.5 Range: 46.6 to 134.3 Scaled/Wgted Val: 0.9/ 1.0
850-700 MB REL HUM (%): 75.8 Range: 64.0 to 88.0 Scaled/Wgted Val: 0.5/ 0.2
% area w/pixels <-30 C: 66.0 Range: 26.0 to 100.0 Scaled/Wgted Val: 0.5/ 0.3
STD DEV OF IR BR TEMP : 11.8 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.7/ 1.1
Heat content (KJ/cm2) : 7.4 Range: 4.0 to 67.0 Scaled/Wgted Val: 0.1/ 0.0
Prob of RI for 25 kt RI threshold= 32% is 2.8 times the sample mean(11.5%)
Prob of RI for 30 kt RI threshold= 22% is 2.9 times the sample mean( 7.7%)
Prob of RI for 35 kt RI threshold= 20% is 3.8 times the sample mean( 5.2%)
## ANNULAR HURRICANE INDEX (AHI) EP902009 INVEST 05/31/09 00 UTC ##
## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=3 NFAIL=4 ##
## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##
## ANNULAR INDEX RAN NORMALLY
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- cycloneye
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Re: EPAC : INVEST 90E
The disturbance looks disorganized,but the models still like this system to develop at least into a minimal Tropical Storm.
WHXX01 KMIA 311249
CHGE77
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1249 UTC SUN MAY 31 2009
DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.
EAST PACIFIC OBJECTIVE AIDS FOR
DISTURBANCE INVEST (EP902009) 20090531 1200 UTC
...00 HRS... ...12 HRS... ...24 HRS. .. ...36 HRS...
090531 1200 090601 0000 090601 1200 090602 0000
LAT LON LAT LON LAT LON LAT LON
BAMS 9.0N 98.5W 9.5N 100.5W 10.0N 102.6W 10.5N 104.8W
BAMD 9.0N 98.5W 9.3N 99.8W 9.5N 101.0W 9.6N 102.2W
BAMM 9.0N 98.5W 9.3N 100.0W 9.5N 101.6W 9.8N 103.3W
LBAR 9.0N 98.5W 9.5N 100.1W 10.2N 102.2W 11.4N 104.6W
SHIP 25KTS 25KTS 27KTS 29KTS
DSHP 25KTS 25KTS 27KTS 29KTS
...48 HRS... ...72 HRS... ...96 HRS. .. ..120 HRS...
090602 1200 090603 1200 090604 1200 090605 1200
LAT LON LAT LON LAT LON LAT LON
BAMS 10.9N 106.8W 11.6N 110.8W 12.5N 114.1W 13.8N 117.4W
BAMD 9.6N 103.6W 9.8N 107.4W 11.0N 111.2W 13.2N 115.2W
BAMM 10.0N 105.1W 10.5N 109.0W 11.7N 112.8W 13.6N 116.6W
LBAR 12.7N 107.1W 15.9N 111.3W 21.0N 113.2W 25.8N 110.8W
SHIP 33KTS 39KTS 39KTS 35KTS
DSHP 33KTS 39KTS 39KTS 35KTS
...INITIAL CONDITIONS...
LATCUR = 9.0N LONCUR = 98.5W DIRCUR = 270DEG SPDCUR = 8KT
LATM12 = 9.0N LONM12 = 96.8W DIRM12 = 270DEG SPDM12 = 7KT
LATM24 = 8.9N LONM24 = 95.6W
WNDCUR = 25KT RMAXWD = 100NM WNDM12 = 25KT
CENPRS = 1008MB OUTPRS = 1010MB OUTRAD = 275NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM
$$
WHXX01 KMIA 311249
CHGE77
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1249 UTC SUN MAY 31 2009
DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.
EAST PACIFIC OBJECTIVE AIDS FOR
DISTURBANCE INVEST (EP902009) 20090531 1200 UTC
...00 HRS... ...12 HRS... ...24 HRS. .. ...36 HRS...
090531 1200 090601 0000 090601 1200 090602 0000
LAT LON LAT LON LAT LON LAT LON
BAMS 9.0N 98.5W 9.5N 100.5W 10.0N 102.6W 10.5N 104.8W
BAMD 9.0N 98.5W 9.3N 99.8W 9.5N 101.0W 9.6N 102.2W
BAMM 9.0N 98.5W 9.3N 100.0W 9.5N 101.6W 9.8N 103.3W
LBAR 9.0N 98.5W 9.5N 100.1W 10.2N 102.2W 11.4N 104.6W
SHIP 25KTS 25KTS 27KTS 29KTS
DSHP 25KTS 25KTS 27KTS 29KTS
...48 HRS... ...72 HRS... ...96 HRS. .. ..120 HRS...
090602 1200 090603 1200 090604 1200 090605 1200
LAT LON LAT LON LAT LON LAT LON
BAMS 10.9N 106.8W 11.6N 110.8W 12.5N 114.1W 13.8N 117.4W
BAMD 9.6N 103.6W 9.8N 107.4W 11.0N 111.2W 13.2N 115.2W
BAMM 10.0N 105.1W 10.5N 109.0W 11.7N 112.8W 13.6N 116.6W
LBAR 12.7N 107.1W 15.9N 111.3W 21.0N 113.2W 25.8N 110.8W
SHIP 33KTS 39KTS 39KTS 35KTS
DSHP 33KTS 39KTS 39KTS 35KTS
...INITIAL CONDITIONS...
LATCUR = 9.0N LONCUR = 98.5W DIRCUR = 270DEG SPDCUR = 8KT
LATM12 = 9.0N LONM12 = 96.8W DIRM12 = 270DEG SPDM12 = 7KT
LATM24 = 8.9N LONM24 = 95.6W
WNDCUR = 25KT RMAXWD = 100NM WNDM12 = 25KT
CENPRS = 1008MB OUTPRS = 1010MB OUTRAD = 275NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM
$$
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Re: EPAC : INVEST 90E
NHC still not overly excited...
Poorly organized, but 1315 visible seems to suggest, from low cloud elements North of the center and their curvature, that it is trying to develop a surface low.
ABPZ20 KNHC 311138
TWOEP
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT SUN MAY 31 2009
FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..
AN AREA OF DISTURBED WEATHER IS LOCATED SEVERAL HUNDRED MILES
SOUTH OF ACAPULCO MEXICO. SOME SLOW DEVELOPMENT OF THIS
SYSTEM IS POSSIBLE DURING THE NEXT COUPLE OF DAYS AS IT MOVES
WESTWARD AT 5 TO 10 MPH. THERE IS A LOW CHANCE... LESS THAN 30
PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE
NEXT 48 HOURS.
ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.
$$
FORECASTER BLAKE/KIMBERLAIN
Poorly organized, but 1315 visible seems to suggest, from low cloud elements North of the center and their curvature, that it is trying to develop a surface low.
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