ATL: INVEST 98L - Models

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ATL: INVEST 98L - Models

#1 Postby TropicalAnalystwx13 » Mon Sep 02, 2013 12:52 pm

First SHIPS file. Doesn't look like too much of a threat.

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*   ATLANTIC SHIPS INTENSITY FORECAST       *
                    * GOES PROXY USED,      OHC AVAILABLE       *
                    *      INVEST  AL982013  09/02/13  18 UTC   *

TIME (HR)          0     6    12    18    24    36    48    60    72    84    96   108   120
V (KT) NO LAND    20    22    25    27    28    35    44    51    58    63    67    69    68
V (KT) LAND       20    22    25    27    28    35    44    51    58    63    67    69    68
V (KT) LGE mod    20    20    21    21    22    25    28    32    38    45    53    60    62
Storm Type      TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP

SHEAR (KT)        23    26    27    26    23    24    21    16     9     7     7    12    20
SHEAR ADJ (KT)    -1    -2    -1     0     1     0     0     0     0    -4    -1    -2    -4
SHEAR DIR         81    70    60    58    57    50    73    86    98   120   200   219   230
SST (C)         27.2  27.4  27.5  27.7  27.8  28.1  28.4  28.3  28.0  27.6  27.2  26.7  26.0
POT. INT. (KT)   126   129   130   133   135   138   142   139   135   129   124   120   113
ADJ. POT. INT.   126   129   131   134   136   137   138   132   125   118   113   109   104
200 MB T (C)   -53.7 -54.1 -54.4 -54.0 -53.4 -53.9 -53.5 -53.9 -53.6 -53.7 -53.4 -53.6 -53.5
TH_E DEV (C)       8     6     6     7     7     7     7     7     7     6     6     6     6
700-500 MB RH     68    67    67    65    65    64    64    66    66    65    63    61    58
GFS VTEX (KT)      9    10    11     9     7     6     9    10    11    11    11    11    10
850 MB ENV VOR    45    50    55    60    53    58    61    48    34    64    77    71    64
200 MB DIV        62    77    78    48    70    66    39    21     2    36    36    22     4
700-850 TADV      -1    -4    -8   -11   -12   -14   -12    -8    -4     0     0     3     8
LAND (KM)        231   280   328   344   350   441   530   582   626   656   708   807   904
LAT (DEG N)      8.2   8.5   8.8   9.4  10.0  11.5  13.1  14.4  15.5  16.4  17.3  18.2  19.4
LONG(DEG W)     15.3  16.3  17.2  18.2  19.1  20.8  22.1  22.9  23.3  23.4  23.6  24.2  25.5
STM SPEED (KT)     9    10    10    11    11    10     9     7     5     5     5     7     8
HEAT CONTENT       4     4     5     8    12    13    10     8     3     2     6     6     0

  FORECAST TRACK FROM BAMM      INITIAL HEADING/SPEED (DEG/KT):280/  8      CX,CY:  -7/  1
  T-12 MAX WIND:  20            PRESSURE OF STEERING LEVEL (MB):  589  (MEAN=624)
  GOES IR BRIGHTNESS TEMP. STD DEV.  50-200 KM RAD:  18.5 (MEAN=14.5)
  % GOES IR PIXELS WITH T < -20 C    50-200 KM RAD:  41.0 (MEAN=65.0)

                        INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
                         6   12   18   24   36   48   60   72   84   96  108  120
                        ----------------------------------------------------------
  SAMPLE MEAN CHANGE     1.   2.   3.   4.   6.   8.   9.  11.  12.  12.  13.  14.
  SST POTENTIAL          0.   0.   0.   2.   5.  11.  19.  24.  28.  31.  33.  34.
  VERTICAL SHEAR MAG     0.   1.   1.   0.  -1.  -4.  -7.  -8.  -8.  -7.  -6.  -6.
  VERTICAL SHEAR ADJ     0.   0.   0.   0.   1.   1.   1.   1.   1.   1.   1.   1.
  VERTICAL SHEAR DIR     1.   2.   3.   4.   8.  11.  14.  16.  17.  16.  14.  12.
  PERSISTENCE            0.  -1.  -1.  -1.  -1.  -1.  -1.  -1.  -1.   0.   0.   0.
  200/250 MB TEMP.       0.   0.   0.   1.   1.   1.   2.   2.   2.   3.   3.   4.
  THETA_E EXCESS         0.  -1.  -1.  -1.  -2.  -3.  -4.  -6.  -8.  -9. -10. -12.
  700-500 MB RH          0.   0.   0.   0.  -1.  -1.  -2.  -2.  -2.  -2.  -2.  -2.
  GFS VORTEX TENDENCY    0.   0.   0.  -2.  -3.  -1.  -1.   0.   0.   0.  -1.  -2.
  850 MB ENV VORTICITY   0.   0.   1.   1.   1.   2.   2.   2.   3.   3.   4.   4.
  200 MB DIVERGENCE      0.   1.   1.   1.   2.   2.   3.   2.   2.   2.   1.   1.
  850-700 T ADVEC        0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   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.   0.   0.   0.   0.   0.   0.
  DAYS FROM CLIM. PEAK   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.
  GOES PREDICTORS        0.  -1.  -1.  -1.  -2.  -3.  -3.  -4.  -4.  -4.  -3.  -3.
  OCEAN HEAT CONTENT     0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.
                        ----------------------------------------------------------
  TOTAL CHANGE           2.   5.   7.   8.  15.  24.  31.  38.  43.  47.  49.  48.

   ** 2013 ATLANTIC RI INDEX AL982013     INVEST 09/02/13  18 UTC **
           ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR)
 
 12 HR PERSISTENCE (KT):   0.0 Range:-49.5 to  33.0 Scaled/Wgted Val:  0.6/  1.7
 850-200 MB SHEAR (KT) :  25.3 Range: 28.8 to   2.9 Scaled/Wgted Val:  0.1/  0.2
 STD DEV OF IR BR TEMP : 999.0 Range: 37.5 to   2.9 Scaled/Wgted Val:999.0/999.0
 850-700 MB REL HUM (%):  74.2 Range: 43.2 to  93.5 Scaled/Wgted Val:  0.6/  0.8
 POT = MPI-VMAX (KT)   : 111.3 Range: 28.4 to 139.1 Scaled/Wgted Val:  0.7/  0.5
 Heat content (KJ/cm2) :   6.6 Range:  0.0 to 155.1 Scaled/Wgted Val:  0.0/  0.0
 D200 (10**7s-1)       :  67.0 Range:-23.1 to 181.5 Scaled/Wgted Val:  0.4/  0.2
 % area w/pixels <-30 C: 999.0 Range: 15.3 to 100.0 Scaled/Wgted Val:999.0/999.0
 
 Prob of RI for 25 kt RI threshold=   999% is 999.0 times the sample mean(11.9%)
 Prob of RI for 30 kt RI threshold=   999% is 999.0 times the sample mean( 7.6%)
 Prob of RI for 35 kt RI threshold=   999% is 999.0 times the sample mean( 4.6%)
 Prob of RI for 40 kt RI threshold=   999% is 999.0 times the sample mean( 3.0%)

** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL982013     INVEST 09/02/2013  18 UTC **
TIME(HR)   0-12  12-24(0-24)  24-36(0-36)  36-48(0-48)
CLIMO(%)     0      0(  0)       0(  0)       0(  0)     <-- PROB BASED ON INTENSITY ONLY
PROB(%)      0      0(  0)       0(  0)       0(  0)     PC4 UNAVAIL...MODEL SKILL DEGRADED
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Re: ATL: INVEST 98L - Models

#2 Postby cycloneye » Mon Sep 02, 2013 1:12 pm

CHGHUR
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS NATIONAL HURRICANE CENTER MIAMI FL
1739 UTC MON SEP 2 2013

DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.

ATLANTIC OBJECTIVE AIDS FOR

DISTURBANCE INVEST (AL982013) 20130902 1800 UTC

...00 HRS... ...12 HRS... ...24 HRS... ...36 HRS...
130902 1800 130903 0600 130903 1800 130904 0600

LAT LON LAT LON LAT LON LAT LON
BAMS 8.2N 15.3W 8.5N 16.8W 9.5N 18.4W 10.9N 19.9W
BAMD 8.2N 15.3W 8.7N 17.6W 9.5N 19.9W 10.5N 21.9W
BAMM 8.2N 15.3W 8.8N 17.2W 10.0N 19.1W 11.5N 20.8W
LBAR 8.2N 15.3W 8.6N 17.6W 9.6N 20.5W 10.9N 23.4W
SHIP 20KTS 25KTS 28KTS 35KTS
DSHP 20KTS 25KTS 28KTS 35KTS

...48 HRS... ...72 HRS... ...96 HRS... ..120 HRS...
130904 1800 130905 1800 130906 1800 130907 1800

LAT LON LAT LON LAT LON LAT LON
BAMS 12.4N 20.9W 15.1N 22.1W 17.6N 22.9W 20.1N 25.6W
BAMD 11.8N 23.7W 13.9N 26.2W 15.3N 27.1W 16.8N 27.9W
BAMM 13.1N 22.1W 15.5N 23.3W 17.3N 23.6W 19.4N 25.5W
LBAR 12.3N 26.3W 14.5N 31.2W 15.6N 34.4W 16.5N 36.2W
SHIP 44KTS 58KTS 67KTS 68KTS
DSHP 44KTS 58KTS 67KTS 68KTS

...INITIAL CONDITIONS...
LATCUR = 8.2N LONCUR = 15.3W DIRCUR = 280DEG SPDCUR = 8KT
LATM12 = 8.0N LONM12 = 13.7W DIRM12 = 270DEG SPDM12 = 8KT
LATM24 = 8.0N LONM24 = 12.0W
WNDCUR = 20KT RMAXWD = 50NM WNDM12 = 20KT
CENPRS = 1009MB OUTPRS = 1012MB OUTRAD = 150NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM
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#3 Postby CrazyC83 » Mon Sep 02, 2013 1:21 pm

Ahhh, I don't really think this has much hope...the shear numbers seem too low compared to this (although at least it is now more yellows and less reds, so it might manage to break through):

Image
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Re:

#4 Postby TheStormExpert » Mon Sep 02, 2013 2:15 pm

What a very sad and aggravating season this has been! Forecasters look to have really screwed up this year. Time for a new hobby I guess? At most this will once again maybe be a minimal TS. :x
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#5 Postby gatorcane » Mon Sep 02, 2013 2:46 pm

18Z Guidance:

Image

Image
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#6 Postby HurricaneTracker2031 » Mon Sep 02, 2013 7:26 pm

My Forecast for 97L and 98L:
http://goo.gl/BgqMXM

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Re: ATL: INVEST 98L - Models

#7 Postby cycloneye » Mon Sep 02, 2013 8:05 pm

TROPICAL CYCLONE GUIDANCE MESSAGE
NWS NATIONAL HURRICANE CENTER MIAMI FL
0102 UTC TUE SEP 3 2013

DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.

ATLANTIC OBJECTIVE AIDS FOR

DISTURBANCE INVEST (AL982013) 20130903 0000 UTC

...00 HRS... ...12 HRS... ...24 HRS... ...36 HRS...
130903 0000 130903 1200 130904 0000 130904 1200

LAT LON LAT LON LAT LON LAT LON
BAMS 8.9N 15.3W 9.7N 17.0W 11.1N 18.6W 12.6N 19.8W
BAMD 8.9N 15.3W 9.5N 18.1W 10.4N 20.7W 11.2N 23.0W
BAMM 8.9N 15.3W 9.9N 17.6W 11.2N 19.7W 12.7N 21.3W
LBAR 8.9N 15.3W 9.7N 17.7W 11.1N 20.5W 12.7N 23.1W
SHIP 20KTS 25KTS 31KTS 41KTS
DSHP 20KTS 25KTS 31KTS 41KTS

...48 HRS... ...72 HRS... ...96 HRS... ..120 HRS...
130905 0000 130906 0000 130907 0000 130908 0000

LAT LON LAT LON LAT LON LAT LON
BAMS 13.9N 20.6W 16.9N 21.7W 19.8N 23.1W 22.6N 26.5W
BAMD 12.2N 24.7W 13.7N 26.6W 14.8N 27.0W 16.1N 27.6W
BAMM 14.0N 22.3W 16.2N 22.7W 18.5N 22.8W 21.2N 25.0W
LBAR 14.1N 25.7W 16.0N 29.9W 17.1N 32.2W 18.6N 33.8W
SHIP 48KTS 63KTS 67KTS 63KTS
DSHP 48KTS 63KTS 67KTS 63KTS

...INITIAL CONDITIONS...
LATCUR = 8.9N LONCUR = 15.3W DIRCUR = 290DEG SPDCUR = 8KT
LATM12 = 8.2N LONM12 = 13.8W DIRM12 = 287DEG SPDM12 = 9KT
LATM24 = 8.0N LONM24 = 12.2W
WNDCUR = 20KT RMAXWD = 80NM WNDM12 = 20KT
CENPRS = 1009MB OUTPRS = 1011MB OUTRAD = 200NM SDEPTH = M
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM

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#8 Postby Hurricaneman » Tue Sep 03, 2013 11:46 pm

The 0zGFS and 12zCanadian develop this into a weak system, may need to be watched in the long run

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Re: ATL: INVEST 98L - Models

#9 Postby supercane4867 » Wed Sep 04, 2013 11:58 pm

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Re: ATL: INVEST 98L - Models

#10 Postby cycloneye » Thu Sep 05, 2013 8:43 am

CHGHUR
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS NATIONAL HURRICANE CENTER MIAMI FL
1244 UTC THU SEP 5 2013

DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.

ATLANTIC OBJECTIVE AIDS FOR

DISTURBANCE INVEST (AL982013) 20130905 1200 UTC

...00 HRS... ...12 HRS... ...24 HRS... ...36 HRS...
130905 1200 130906 0000 130906 1200 130907 0000

LAT LON LAT LON LAT LON LAT LON
BAMS 13.8N 31.3W 14.0N 33.0W 14.2N 34.1W 14.6N 34.3W
BAMD 13.8N 31.3W 14.7N 33.3W 15.4N 34.7W 16.1N 35.2W
BAMM 13.8N 31.3W 14.5N 33.1W 15.0N 34.3W 15.5N 34.7W
LBAR 13.8N 31.3W 14.6N 33.9W 15.1N 36.3W 15.5N 38.2W
SHIP 20KTS 24KTS 31KTS 38KTS
DSHP 20KTS 24KTS 31KTS 38KTS

...48 HRS... ...72 HRS... ...96 HRS... ..120 HRS...
130907 1200 130908 1200 130909 1200 130910 1200

LAT LON LAT LON LAT LON LAT LON
BAMS 15.3N 34.3W 16.9N 35.6W 18.0N 39.2W 17.6N 43.5W
BAMD 17.1N 35.3W 19.8N 35.9W 22.6N 37.4W 23.6N 38.4W
BAMM 16.1N 34.7W 17.7N 35.7W 19.1N 38.6W 18.6N 42.5W
LBAR 15.8N 40.0W 16.7N 43.0W 19.3N 45.4W 21.8N 48.1W
SHIP 46KTS 55KTS 56KTS 58KTS
DSHP 46KTS 55KTS 56KTS 58KTS

...INITIAL CONDITIONS...
LATCUR = 13.8N LONCUR = 31.3W DIRCUR = 275DEG SPDCUR = 16KT
LATM12 = 13.5N LONM12 = 28.3W DIRM12 = 277DEG SPDM12 = 16KT
LATM24 = 13.0N LONM24 = 24.5W
WNDCUR = 20KT RMAXWD = 80NM WNDM12 = 20KT
CENPRS = 1012MB OUTPRS = 1015MB OUTRAD = 250NM SDEPTH = S
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM

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Re: ATL: INVEST 98L - Models

#11 Postby Riptide » Thu Sep 05, 2013 12:33 pm

98L makes it all the way to the Carolinas by the end of the 12z GFS.
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#12 Postby gatorcane » Thu Sep 05, 2013 12:58 pm

168 Hour 12Z GFS shows the system east of the Leewards as a 1008MB low:

Image
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#13 Postby gatorcane » Thu Sep 05, 2013 1:15 pm

And if you look at the projected mid-level steering from the 12Z GFS that just ran, it shows a ridge building in tandem with 98L allowing 98L to move all the way west towards the United States. It's all in the long-range and of course assumes 98L can actually hold together, but something to watch for sure.

Check out that ridge above 98L (yellow area north of Puerto Rico) at 240 hours extending all the way to the United States:

Image

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#14 Postby gatorcane » Thu Sep 05, 2013 3:32 pm

12Z ECMWF shows the area reaching just NE of Puerto Rico 240 hours from now:

Image
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Re: ATL: INVEST 98L - Models

#15 Postby cycloneye » Thu Sep 05, 2013 8:26 pm

TROPICAL CYCLONE GUIDANCE MESSAGE
NWS NATIONAL HURRICANE CENTER MIAMI FL
0103 UTC FRI SEP 6 2013

DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.

ATLANTIC OBJECTIVE AIDS FOR

DISTURBANCE INVEST (AL982013) 20130906 0000 UTC

...00 HRS... ...12 HRS... ...24 HRS... ...36 HRS...
130906 0000 130906 1200 130907 0000 130907 1200

LAT LON LAT LON LAT LON LAT LON
BAMS 14.1N 32.3W 14.5N 33.3W 15.1N 33.7W 16.0N 34.2W
BAMD 14.1N 32.3W 14.9N 33.5W 15.9N 33.9W 17.0N 34.1W
BAMM 14.1N 32.3W 14.7N 33.3W 15.3N 33.6W 16.3N 33.8W
LBAR 14.1N 32.3W 14.5N 33.7W 15.1N 34.9W 15.5N 35.9W
SHIP 20KTS 24KTS 29KTS 36KTS
DSHP 20KTS 24KTS 29KTS 36KTS

...48 HRS... ...72 HRS... ...96 HRS... ..120 HRS...
130908 0000 130909 0000 130910 0000 130911 0000

LAT LON LAT LON LAT LON LAT LON
BAMS 16.7N 35.1W 18.5N 38.5W 19.8N 42.7W 19.9N 47.0W
BAMD 18.3N 34.5W 21.5N 36.6W 23.3N 39.0W 23.0N 40.6W
BAMM 17.1N 34.2W 19.0N 37.2W 20.1N 41.2W 19.6N 45.0W
LBAR 16.3N 36.9W 18.6N 39.9W 21.3N 43.9W 23.0N 48.0W
SHIP 41KTS 48KTS 49KTS 51KTS
DSHP 41KTS 48KTS 49KTS 51KTS

...INITIAL CONDITIONS...
LATCUR = 14.1N LONCUR = 32.3W DIRCUR = 280DEG SPDCUR = 8KT
LATM12 = 13.7N LONM12 = 30.9W DIRM12 = 277DEG SPDM12 = 8KT
LATM24 = 13.5N LONM24 = 28.3W
WNDCUR = 20KT RMAXWD = 80NM WNDM12 = 20KT
CENPRS = 1012MB OUTPRS = 1015MB OUTRAD = 250NM SDEPTH = S
RD34NE = 0NM RD34SE = 0NM RD34SW = 0NM RD34NW = 0NM

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#16 Postby gatorcane » Thu Sep 05, 2013 8:49 pm

Models showing a west or even WSW bend over the next several days:

Image
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Re:

#17 Postby Blown Away » Thu Sep 05, 2013 9:17 pm

gatorcane wrote:12Z ECMWF shows the area reaching just NE of Puerto Rico 240 hours from now:

Image


Are you sure this area is 98L, b/c 10 days to go from it's current location near 30W to PR's longitude seems pretty slow...
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Re: Re:

#18 Postby gatorcane » Thu Sep 05, 2013 9:41 pm

Blown Away wrote:
gatorcane wrote:12Z ECMWF shows the area reaching just NE of Puerto Rico 240 hours from now:


Are you sure this area is 98L, b/c 10 days to go from it's current location near 30W to PR's longitude seems pretty slow...

Yes I am sure. See the full loop here:

http://www.meteo.psu.edu/~fxg1/ECMWFTROPATL0.5_12z/ecmwfloop.html

The GFS is also moving this invest relatively slowly as well. Here you see it just east of the Leewards as a 1008MB low at 204 hours:

Image
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#19 Postby CrazyC83 » Thu Sep 05, 2013 10:24 pm

Code: Select all

*   ATLANTIC SHIPS INTENSITY FORECAST       *
                    * GOES AVAILABLE,       OHC AVAILABLE       *
                    *      INVEST  AL982013  09/06/13  00 UTC   *

TIME (HR)          0     6    12    18    24    36    48    60    72    84    96   108   120
V (KT) NO LAND    20    21    24    27    29    36    41    46    48    49    49    50    51
V (KT) LAND       20    21    24    27    29    36    41    46    48    49    49    50    51
V (KT) LGE mod    20    20    21    22    23    25    28    32    36    40    44    48    53
Storm Type      TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP

SHEAR (KT)        12    11    16    15    13    12    18    15    17    12    13     9     9
SHEAR ADJ (KT)     0    -1     0     1    -2    -6    -7    -5    -2    -4     0    -3    -2
SHEAR DIR        143   141   145   158   161   166   193   200   208   215   197   207   249
SST (C)         27.8  27.5  27.4  27.2  27.1  26.8  26.6  26.5  26.5  26.5  26.6  26.7  27.1
POT. INT. (KT)   132   128   126   123   123   120   118   118   119   119   120   120   125
ADJ. POT. INT.   125   120   117   113   112   109   108   110   110   110   110   111   115
200 MB T (C)   -54.0 -54.2 -54.3 -54.1 -54.1 -54.2 -54.2 -54.1 -53.9 -54.2 -53.8 -53.9 -53.6
TH_E DEV (C)       7     7     7     7     7     7     7     7     7     7     7     7     8
700-500 MB RH     59    57    56    56    54    53    52    51    48    45    41    40    38
GFS VTEX (KT)     10    11    12    13    12    13    12    11    10     8     7     6     6
850 MB ENV VOR    77    77    85    92    95    96   105    81    75    66    62    60    54
200 MB DIV        38    44    41    48    55    22    25    32    18    13    -2   -20   -34
700-850 TADV       0     0     0    -1    -1     0     1     3     3     1     1    -2    -6
LAND (KM)       1594  1645  1697  1712  1728  1752  1802  1949  2120  2183  2081  1950  1815
LAT (DEG N)     14.1  14.4  14.7  15.0  15.3  16.3  17.1  17.9  19.0  19.7  20.1  20.0  19.6
LONG(DEG W)     32.3  32.8  33.3  33.5  33.6  33.8  34.2  35.5  37.2  39.2  41.2  43.2  45.0
STM SPEED (KT)     6     6     5     3     4     5     6     9    10    10     9     9     9
HEAT CONTENT       5     4     2     1     2     1     3     2     5     1     8     4     5

  FORECAST TRACK FROM BAMM      INITIAL HEADING/SPEED (DEG/KT):280/  8      CX,CY:  -7/  1
  T-12 MAX WIND:  20            PRESSURE OF STEERING LEVEL (MB):  541  (MEAN=624)
  GOES IR BRIGHTNESS TEMP. STD DEV.  50-200 KM RAD:  14.3 (MEAN=14.5)
  % GOES IR PIXELS WITH T < -20 C    50-200 KM RAD:  12.0 (MEAN=65.0)

                        INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
                         6   12   18   24   36   48   60   72   84   96  108  120
                        ----------------------------------------------------------
  SAMPLE MEAN CHANGE     1.   2.   3.   4.   6.   8.   9.  11.  12.  12.  13.  14.
  SST POTENTIAL          0.   0.   1.   2.   5.  10.  16.  21.  25.  27.  28.  30.
  VERTICAL SHEAR MAG     1.   2.   4.   4.   6.   5.   4.   3.   1.   1.   2.   2.
  VERTICAL SHEAR ADJ     0.   0.   0.   0.   1.   2.   3.   4.   4.   4.   3.   3.
  VERTICAL SHEAR DIR     0.   0.   0.   0.  -1.  -1.  -3.  -4.  -5.  -6.  -7.  -9.
  PERSISTENCE            0.  -1.  -1.  -1.  -1.  -1.  -1.  -1.  -1.   0.   0.   0.
  200/250 MB TEMP.       0.   0.   1.   1.   1.   2.   3.   3.   4.   4.   5.   6.
  THETA_E EXCESS         0.  -1.  -1.  -2.  -2.  -3.  -5.  -6.  -8.  -9. -10. -11.
  700-500 MB RH          0.   0.   0.   0.   0.   0.  -1.  -1.   0.   0.   0.   0.
  GFS VORTEX TENDENCY    0.   1.   1.   1.   1.   0.  -1.  -2.  -4.  -5.  -6.  -6.
  850 MB ENV VORTICITY   0.   1.   1.   2.   2.   3.   4.   5.   6.   6.   6.   6.
  200 MB DIVERGENCE      0.   0.   0.   1.   1.   1.   1.   1.   1.   0.   0.   0.
  850-700 T ADVEC        0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.
  ZONAL STORM MOTION     0.   0.   0.   0.   1.   1.   1.   1.   1.   1.   1.   1.
  STEERING LEVEL PRES    0.   0.   0.   0.   1.   1.   1.   1.   1.   1.   1.   1.
  DAYS FROM CLIM. PEAK   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.
  GOES PREDICTORS       -1.  -2.  -2.  -3.  -5.  -6.  -7.  -7.  -7.  -6.  -5.  -5.
  OCEAN HEAT CONTENT     0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.
                        ----------------------------------------------------------
  TOTAL CHANGE           1.   4.   7.   9.  16.  21.  26.  28.  29.  29.  30.  31.

   ** 2013 ATLANTIC RI INDEX AL982013     INVEST 09/06/13  00 UTC **
           ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR)
 
 12 HR PERSISTENCE (KT):   0.0 Range:-49.5 to  33.0 Scaled/Wgted Val:  0.6/  1.7
 850-200 MB SHEAR (KT) :  13.5 Range: 28.8 to   2.9 Scaled/Wgted Val:  0.6/  0.7
 STD DEV OF IR BR TEMP :  14.3 Range: 37.5 to   2.9 Scaled/Wgted Val:  0.7/  0.9
 850-700 MB REL HUM (%):  68.8 Range: 43.2 to  93.5 Scaled/Wgted Val:  0.5/  0.6
 POT = MPI-VMAX (KT)   :  97.4 Range: 28.4 to 139.1 Scaled/Wgted Val:  0.6/  0.4
 Heat content (KJ/cm2) :   2.8 Range:  0.0 to 155.1 Scaled/Wgted Val:  0.0/  0.0
 D200 (10**7s-1)       :  45.2 Range:-23.1 to 181.5 Scaled/Wgted Val:  0.3/  0.1
 % area w/pixels <-30 C:   5.0 Range: 15.3 to 100.0 Scaled/Wgted Val:  0.0/  0.0
 
 Prob of RI for 25 kt RI threshold=     4% is   0.3 times the sample mean(11.9%)
 Prob of RI for 30 kt RI threshold=     3% is   0.3 times the sample mean( 7.6%)
 Prob of RI for 35 kt RI threshold=     1% is   0.3 times the sample mean( 4.6%)
 Prob of RI for 40 kt RI threshold=     1% is   0.3 times the sample mean( 3.0%)

** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL982013     INVEST 09/06/2013  00 UTC **
TIME(HR)   0-12  12-24(0-24)  24-36(0-36)  36-48(0-48)
CLIMO(%)     0      0(  0)       0(  0)       0(  0)     <-- PROB BASED ON INTENSITY ONLY
PROB(%)      0      0(  0)       0(  0)       0(  0)     <-- FULL MODEL PROB (RAN NORMALLY)
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#20 Postby gatorcane » Fri Sep 06, 2013 11:58 am

12Z CMC sends this invest far west with some possible development. Here is the 168 Hour CMC position, with the low over the NE Leewards heading west:

Image
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