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HURRICANE GENEVIEVE FORECAST/ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP122020
0900 UTC WED AUG 19 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF MEXICO HAS ISSUED A HURRICANE WATCH FOR THE
SOUTHERN BAJA CALIFORNIA PENINSULA FROM LOS BARRILES TO TODOS
SANTOS.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WATCH IS IN EFFECT FOR...
* SOUTHERN BAJA CALIFORNIA PENINSULA FROM LOS BARRILES TO TODOS
SANTOS
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* SOUTHERN BAJA CALIFORNIA PENINSULA FROM LOS BARRILES TO PUERTO
CORTES
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE EAST COAST OF THE BAJA CALIFORNIA PENINSULA FROM LOS BARRILES
TO LA PAZ
* THE WEST COAST OF THE BAJA CALIFORNIA PENINSULA FROM PUERTO
CORTES TO CABO SAN LAZARO
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 TO 36 HOURS.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
 
A HURRICANE WARNING MAY BE REQUIRED LATER TODAY FOR PORTIONS OF
SOUTHERN BAJA CALIFORNIA PENINSULA.
 
HURRICANE CENTER LOCATED NEAR 20.2N 109.4W AT 19/0900Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  960 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.
64 KT....... 30NE  30SE  20SW  30NW.
50 KT....... 60NE  50SE  40SW  60NW.
34 KT.......120NE 100SE  80SW 100NW.
12 FT SEAS..200NE 240SE 180SW 200NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 20.2N 109.4W AT 19/0900Z
AT 19/0600Z CENTER WAS LOCATED NEAR 19.9N 109.2W
 
FORECAST VALID 19/1800Z 21.1N 109.9W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 30NE  30SE  20SW  30NW.
50 KT... 60NE  50SE  40SW  60NW.
34 KT...120NE 100SE  80SW 100NW.
 
FORECAST VALID 20/0600Z 22.1N 110.7W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 30NE  30SE  20SW  30NW.
50 KT... 50NE  40SE  40SW  50NW.
34 KT...110NE  90SE  80SW  90NW.
 
FORECAST VALID 20/1800Z 22.9N 111.6W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 30NE  20SE  20SW  30NW.
50 KT... 40NE  30SE  30SW  40NW.
34 KT... 90NE  70SE  70SW  70NW.
 
FORECAST VALID 21/0600Z 23.7N 112.7W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE   0SE   0SW  20NW.
50 KT... 40NE  30SE  30SW  40NW.
34 KT... 80NE  70SE  70SW  70NW.
 
FORECAST VALID 21/1800Z 24.7N 114.2W
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 40NE  30SE  30SW  40NW.
34 KT... 70NE  70SE  60SW  60NW.
 
FORECAST VALID 22/0600Z 25.8N 116.1W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  20SE  10SW  20NW.
34 KT... 60NE  50SE  40SW  40NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 23/0600Z 28.0N 119.5W...POST-TROPICAL
MAX WIND  35 KT...GUSTS  45 KT.
 
OUTLOOK VALID 24/0600Z 30.0N 122.0W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.2N 109.4W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPEP2...AT 19/1200Z
 
NEXT ADVISORY AT 19/1500Z
 
$$
FORECASTER BEVEN
 
 
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