EPAC: INVEST 91E

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EPAC: INVEST 91E

#1 Postby Yellow Evan » Mon Sep 05, 2016 8:10 pm

New invest per SHIPS output.

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                  * EAST PACIFIC SHIPS INTENSITY FORECAST          *
                    * IR SAT DATA AVAILABLE,       OHC AVAILABLE     *
                    *  INVEST      EP912016  09/06/16  00 UTC        *

TIME (HR)          0     6    12    18    24    36    48    60    72    84    96   108   120
V (KT) NO LAND    20    21    22    23    25    26    25    27    30    35    38    39    38
V (KT) LAND       20    21    22    23    25    26    25    27    30    35    38    39    38
V (KT) LGEM       20    20    20    20    20    19    18    17    16    15   DIS   DIS   DIS
Storm Type      TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP  TROP

SHEAR (KT)        18    18    17    17    16    20    24    25    14     7     6     9    11
SHEAR ADJ (KT)     1     3     6     6     8     8     5     0     2     0     0    -1     0
SHEAR DIR         63    67    64    53    46    26    39    44    63     6   347   301   287
SST (C)         28.6  28.6  28.6  28.6  28.6  28.6  28.6  28.6  28.1  27.7  27.3  27.0  26.6
POT. INT. (KT)   146   147   147   147   147   147   149   150   144   139   134   132   128
200 MB T (C)   -52.6 -52.8 -52.9 -52.9 -52.6 -53.2 -52.6 -53.3 -53.0 -53.6 -53.4 -53.9 -53.8
200 MB VXT (C)  -0.1  -0.2  -0.1   0.2   0.3   0.6   0.4   0.2   0.0   0.0   0.0   0.0   0.0
TH_E DEV (C)       3     3     3     3     3     4     4     4     4     4     4     4     4
700-500 MB RH     57    59    59    56    58    60    60    59    56    55    53    52    48
MODEL VTX (KT)     3     5     6     7     8     8     6     6  LOST  LOST  LOST  LOST  LOST
850 MB ENV VOR     1    16    20    28    33    32    29    20     0   -22   -23   -29   -18
200 MB DIV        39    45    16     0    10    31    50    59    22    51    33    18   -13
700-850 TADV       6     5     7     7     8     1    -1    -4    -5     2     1     0     3
LAND (KM)       1932  1916  1908  1909  1926  1934  1916  1882  1809  1734  1688  1715  1796
LAT (DEG N)     13.3  13.3  13.1  12.9  12.6  12.5  13.2  14.4  16.0  17.2  18.1  18.5  18.9
LONG(DEG W)    126.1 125.9 125.6 125.4 125.3 125.3 125.8 126.5 127.1 127.4 127.7 128.4 129.7
STM SPEED (KT)     2     3     3     3     2     2     6     8     7     6     4     5     7
HEAT CONTENT      30    32    32    33    33    33    31    33    19    11     7     6     2

  FORECAST TRACK FROM TABM      INITIAL HEADING/SPEED (DEG/KT): 65/  2      CX,CY:   2/  1
  T-12 MAX WIND:  20            PRESSURE OF STEERING LEVEL (MB):  691  (MEAN=586)
  GOES IR BRIGHTNESS TEMP. STD DEV.  50-200 KM RAD:  27.3 (MEAN=14.5)
  % GOES IR PIXELS WITH T < -20 C    50-200 KM RAD:  43.0 (MEAN=65.0)
  PRELIM RI PROB (DV .GE. 30 KT IN 24 HR):            2.2

                        INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
                         6   12   18   24   36   48   60   72   84   96  108  120
                        ----------------------------------------------------------
  SAMPLE MEAN CHANGE     0.   0.   1.   1.   1.   1.   1.   1.   0.  -1.  -1.  -2.
  SST POTENTIAL          0.   0.   0.   2.   7.  14.  22.  28.  31.  33.  34.  33.
  VERTICAL SHEAR MAG     1.   1.   2.   1.  -1.  -4.  -8. -11. -10.  -9.  -7.  -4.
  VERTICAL SHEAR ADJ     0.  -1.  -1.  -2.  -3.  -4.  -3.  -3.  -2.  -1.  -1.  -1.
  VERTICAL SHEAR DIR     1.   2.   3.   4.   6.   8.   9.  10.   9.   8.   7.   6.
  PERSISTENCE            0.   0.   0.  -1.  -1.  -1.  -1.   0.   0.   0.   0.   1.
  200/250 MB TEMP.       0.   0.   0.  -1.  -2.  -3.  -4.  -5.  -5.  -5.  -5.  -4.
  THETA_E EXCESS         0.  -1.  -1.  -2.  -3.  -3.  -4.  -5.  -6.  -7.  -7.  -7.
  700-500 MB RH          0.   0.   0.   0.   0.   0.  -1.  -1.  -1.  -1.  -1.  -2.
  MODEL VTX TENDENCY     0.   2.   3.   5.   6.   4.   3.   3.   3.   3.   3.   2.
  850 MB ENV VORTICITY   0.   0.   0.   0.   0.   0.   0.   0.   0.   1.   1.   1.
  200 MB DIVERGENCE      0.   0.   0.  -1.  -1.  -1.  -1.  -1.  -1.   0.   0.  -1.
  850-700 T ADVEC        0.   0.   0.   0.   0.   0.   0.   0.   0.   1.   1.   1.
  ZONAL STORM MOTION     0.  -1.  -2.  -2.  -4.  -5.  -5.  -4.  -3.  -3.  -3.  -3.
  STEERING LEVEL PRES    0.   0.   1.   1.   1.   1.   1.   2.   2.   2.   2.   3.
  DAYS FROM CLIM. PEAK   0.   0.   0.   0.   0.   0.   0.   1.   1.   2.   2.   2.
  GOES PREDICTORS        0.  -1.  -1.  -1.  -2.  -3.  -5.  -5.  -5.  -5.  -6.  -6.
  OCEAN HEAT CONTENT     0.   0.   0.   1.   1.   1.   1.   0.   0.   0.   0.   0.
                        ----------------------------------------------------------
  TOTAL CHANGE           1.   2.   3.   5.   6.   5.   7.  10.  15.  18.  19.  18.

                CURRENT MAX WIND (KT):   20. LAT, LON:   13.3   126.1

      ** 2015 E. Pacific RI INDEX EP912016 INVEST     09/06/16  00 UTC **
 (SHIPS-RII PREDICTOR TABLE for 30 KT OR MOREMAXIMUM WIND INCREASE IN NEXT 24-h)
 
     Predictor             Value   RI Predictor Range  Scaled Value(0-1) % Contribution
 12 HR PERSISTENCE (KT):     0.0     -22.0  to   38.5       0.36         999.0
 POT = MPI-VMAX (KT)   :   126.9      40.3  to  144.5       0.83         999.0
 HEAT CONTENT (KJ/cm2) :    32.0       0.0  to   75.9       0.42         999.0
 STD DEV OF IR BR TEMP :    27.3      38.9  to    2.1       0.32         999.0
 850-200 MB SHEAR (KT) :    17.3      18.9  to    1.4       0.09         999.0
 MAXIMUM WIND (kt)     :    20.0      22.5  to  132.0       0.00           0.0
 D200 (10**7s-1)       :    22.0     -11.0  to  135.3       0.23         999.0
 BL DRY-AIR FLUX (w/m2):    86.4     638.0  to  -68.2       0.78         999.0
 2nd PC OF IR BR TEMP  :     1.3       2.1  to   -1.7       0.21         999.0
 % AREA WITH TPW <45 mm:     8.3      81.4  to    0.0       0.90         999.0
 
 SHIPS Prob RI for 20kt/ 12hr RI threshold=   0% is   0.0 times sample mean ( 6.3%)
 SHIPS Prob RI for 25kt/ 24hr RI threshold=   0% is   0.0 times sample mean (12.9%)
 SHIPS Prob RI for 30kt/ 24hr RI threshold=   0% is   0.0 times sample mean ( 8.6%)
 SHIPS Prob RI for 35kt/ 24hr RI threshold=   0% is   0.0 times sample mean ( 5.8%)
 SHIPS Prob RI for 40kt/ 24hr RI threshold=   0% is   0.0 times sample mean ( 4.1%)
 SHIPS Prob RI for 45kt/ 36hr RI threshold=   0% is   0.0 times sample mean ( 7.1%)
 SHIPS Prob RI for 55kt/ 48hr RI threshold=   0% is   0.0 times sample mean ( 5.9%)
 
 Matrix of RI probabilities
 ---------------------------------------------------------------------
  RI (kt / h)  | 20/12 | 25/24 | 30/24 | 35/24 | 40/24 | 45/36 | 55/48
 ---------------------------------------------------------------------
   SHIPS-RII:     0.0%    0.0%    0.0%    0.0%    0.0%    0.0%    0.0%
    Logistic:     0.7%    0.3%    1.0%    0.1%    0.0%    0.6%    0.2%
    Bayesian:     0.0%    0.7%    0.1%    0.0%    0.0%    0.0%    0.0%
   Consensus:     0.2%    0.3%    0.4%    0.0%    0.0%    0.2%    0.1%

   ##         ANNULAR HURRICANE INDEX (AHI) EP912016 INVEST     09/06/16  00 UTC         ##
   ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=6 NFAIL=1                          ##
   ## AHI=  0   (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##
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Re: EPAC: INVEST 91E

#2 Postby Yellow Evan » Tue Sep 06, 2016 6:39 am

Shower activity associated with an elongated area of low pressure
located about 1200 miles southwest of the southern tip of the
Baja California peninsula continues to show some signs of
organization. Environmental conditions are expected to be conducive
for gradual development of this system during the next several days
while it drifts eastward, and then turns northward later in the
week.
* Formation chance through 48 hours...medium...50 percent
* Formation chance through 5 days...medium...60 percent
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Re: EPAC: INVEST 91E

#3 Postby Extratropical94 » Tue Sep 06, 2016 1:11 pm

Shower activity associated with an elongated area of low pressure
located about 1100 miles southwest of the southern tip of the
Baja California peninsula has become disorganized. Environmental
conditions are expected to be somewhat conducive for development of
this system during the next few days while the disturbance moves
northward and then northwestward.
* Formation chance through 48 hours...medium...40 percent
* Formation chance through 5 days...medium...50 percent
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54° 11' 59'' N, 9° 9' 20'' E
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Re: EPAC: INVEST 91E

#4 Postby Extratropical94 » Wed Sep 07, 2016 2:29 am

Looking more an more like a bust.

area of low pressure located about 1000 miles southwest of the
southern tip of the Baja California peninsula continues to produce
disorganized shower activity. Some slow development of this
system is possible during the next couple of days before
environmental conditions become less conducive later this week.
This disturbance is expected to move northward for the next day or
two and then turn northwestward.
* Formation chance through 48 hours...low...30 percent
* Formation chance through 5 days...low...30 percent
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Re: EPAC: INVEST 91E

#5 Postby Iune » Wed Sep 07, 2016 7:04 pm

It may still have a chance...

A tropical wave located well south-southwest of Acapulco, Mexico, is
producing a large area of disorganized showers and thunderstorms. A
low pressure system is expected to form from this wave in a couple
of days well south-southwest of the southern tip of the Baja
California peninsula. Slow development of this system is possible,
and a tropical depression could form over the weekend or early next
week while the low moves west-northwestward.
* Formation chance through 48 hours...low...near 0 percent
* Formation chance through 5 days...medium...60 percent
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Re: EPAC: INVEST 91E

#6 Postby hurricanes1234 » Wed Sep 07, 2016 7:09 pm

Phoenix's Song wrote:It may still have a chance...

A tropical wave located well south-southwest of Acapulco, Mexico, is
producing a large area of disorganized showers and thunderstorms. A
low pressure system is expected to form from this wave in a couple
of days well south-southwest of the southern tip of the Baja
California peninsula. Slow development of this system is possible,
and a tropical depression could form over the weekend or early next
week while the low moves west-northwestward.
* Formation chance through 48 hours...low...near 0 percent
* Formation chance through 5 days...medium...60 percent


No that's the wave located far from the coast of Mexico that may form later this week or early next week.

As for 91E, it's been removed from the TWO.
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