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TROPICAL STORM LAURA FORECAST/ADVISORY NUMBER  20
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL132020
2100 UTC MON AUG 24 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
A STORM SURGE WATCH IS IN EFFECT FROM SAN LUIS PASS TEXAS TO 
OCEAN SPRINGS MISSISSIPPI...INCLUDING LAKE PONTCHARTRAIN...LAKE 
MAUREPAS AND LAKE BORGNE FOR AREAS OUTSIDE OF THE SOUTHEAST 
LOUISIANA HURRICANE AND STORM DAMAGE RISK REDUCTION SYSTEM. 
 
A HURRICANE WATCH IS IN EFFECT FROM PORT BOLIVAR TEXAS TO
WEST OF MORGAN CITY LOUISIANA.
 
A TROPICAL STORM WATCH IS IN EFFECT FROM SOUTH OF PORT BOLIVAR TO
SAN LUIS PASS TEXAS AND FROM MORGAN CITY TO THE MOUTH OF THE
MISSISSIPPI RIVER.
 
THE TROPICAL STORM WARNING FOR LITTLE CAYMAN AND CAYMAN BRAC HAS
BEEN DISCONTINUED.
 
THE TROPICAL STORM WARNING FOR THE CUBAN PROVINCES OF CAMAGUEY AND
LAS TUNAS HAS BEEN DISCONTINUED.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WATCH IS IN EFFECT FOR...
* SAN LUIS PASS TEXAS TO OCEAN SPRINGS MISSISSIPPI
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND LAKE BORGNE
 
A HURRICANE WATCH IS IN EFFECT FOR...
* PORT BOLIVAR TEXAS TO WEST OF MORGAN CITY LOUISIANA
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CUBAN PROVINCES OF CIEGO DE AVILA...SANCTI SPIRITUS...VILLA 
CLARA... CIENFUEGOS...MATANZAS...MAYABEQUE...LA 
HABANA...ARTEMISA...PINAR DEL RIO...AND THE ISLE OF YOUTH
* FLORIDA KEYS FROM CRAIG KEY TO KEY WEST
* DRY TORTUGAS
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTH OF PORT BOLIVAR TO SAN LUIS PASS TEXAS
* MORGAN CITY LOUISIANA TO THE MOUTH OF THE MISSISSIPPI RIVER
 
A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE-
THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE
COASTLINE...IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS.
FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER
SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT
HURRICANES.GOV.
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.  A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
 
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.
 
TROPICAL STORM CENTER LOCATED NEAR 21.7N  82.2W AT 24/2100Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT  17 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1001 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 60NE  60SE   0SW   0NW.
34 KT.......150NE 140SE   0SW   0NW.
12 FT SEAS..120NE   0SE   0SW   0NW.
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 21.7N  82.2W AT 24/2100Z
AT 24/1800Z CENTER WAS LOCATED NEAR 21.4N  81.4W
 
FORECAST VALID 25/0600Z 22.7N  84.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 60NE  60SE   0SW  20NW.
34 KT...150NE 140SE   0SW  40NW.
 
FORECAST VALID 25/1800Z 24.2N  87.4W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  50SE  20SW  30NW.
34 KT...150NE 140SE  40SW  70NW.
 
FORECAST VALID 26/0600Z 25.7N  90.0W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 50NE  50SE  30SW  40NW.
34 KT...150NE 140SE  60SW  80NW.
 
FORECAST VALID 26/1800Z 27.5N  92.0W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 25NE  25SE  15SW  20NW.
50 KT... 60NE  60SE  30SW  40NW.
34 KT...140NE 140SE  60SW 100NW.
 
FORECAST VALID 27/0600Z 29.8N  93.1W
MAX WIND  90 KT...GUSTS 110 KT.
50 KT... 40NE  60SE  40SW  40NW.
34 KT...110NE 140SE  70SW  80NW.
 
FORECAST VALID 27/1800Z 32.5N  93.0W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  80SE  30SW  50NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 28/1800Z 36.1N  90.0W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
OUTLOOK VALID 29/1800Z 36.5N  80.5W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.7N  82.2W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 25/0000Z
 
NEXT ADVISORY AT 25/0300Z
 
$$
FORECASTER BROWN
 
 
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