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HURRICANE LAURA FORECAST/ADVISORY NUMBER  30
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL132020
0900 UTC THU AUG 27 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE STORM SURGE WARNING WEST OF HIGH ISLAND...TEXAS HAS BEEN
DISCONTINUED.
 
THE TROPICAL STORM WARNING FROM SAN LUIS PASS TO HIGH
ISLAND...TEXAS
HAS BEEN DISCONTINUED.
 
THE HURRICANE WATCH FROM EAST OF INTRACOASTAL CITY TO WEST OF
MORGAN CITY LOUISIANA HAS BEEN CANCELED.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* HIGH ISLAND TEXAS TO THE MOUTH OF THE MISSISSIPPI RIVER
 
A HURRICANE WARNING IS IN EFFECT FOR...
* HIGH ISLAND TEXAS TO INTRACOASTAL CITY LOUISIANA
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* EAST OF INTRACOASTAL CITY LOUISIANA TO THE MOUTH OF THE
MISSISSIPPI RIVER
 
A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING
INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE IN
THE INDICATED LOCATIONS. FOR A DEPICTION OF AREAS AT RISK...PLEASE
SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING
GRAPHIC...AVAILABLE AT HURRICANES.GOV.  THIS IS A LIFE-THREATENING
SITUATION.
PERSONS LOCATED WITHIN THESE AREAS SHOULD TAKE ALL NECESSARY
ACTIONS TO PROTECT LIFE AND PROPERTY FROM RISING WATER AND THE
POTENTIAL FOR OTHER DANGEROUS CONDITIONS. PROMPTLY FOLLOW
EVACUATION AND OTHER INSTRUCTIONS FROM LOCAL OFFICIALS.
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA.  PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.
 
HURRICANE CENTER LOCATED NEAR 30.5N  93.4W AT 27/0900Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR 355 DEGREES AT  13 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  948 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS 105 KT WITH GUSTS TO 130 KT.
64 KT....... 40NE  50SE  30SW  30NW.
50 KT....... 60NE  90SE  50SW  50NW.
34 KT.......120NE 150SE  80SW  80NW.
12 FT SEAS..  0NE 180SE  90SW   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 30.5N  93.4W AT 27/0900Z
AT 27/0600Z CENTER WAS LOCATED NEAR 29.8N  93.3W
 
FORECAST VALID 27/1800Z 32.6N  93.2W...INLAND
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 10NE  10SE   0SW   0NW.
50 KT... 30NE  30SE  20SW  20NW.
34 KT... 70NE  70SE  40SW  40NW.
 
FORECAST VALID 28/0600Z 34.8N  92.2W...INLAND
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 40NE  40SE   0SW   0NW.
 
FORECAST VALID 28/1800Z 36.5N  90.1W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 29/0600Z 37.6N  85.4W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 29/1800Z 38.2N  78.9W...POST-TROP/INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 30/0600Z 39.8N  71.4W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...100NE  80SE 100SW  30NW.
 
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 31/0600Z 47.9N  55.9W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
 
OUTLOOK VALID 01/0600Z 53.1N  46.8W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.5N  93.4W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 27/1200Z
 
NEXT ADVISORY AT 27/1500Z
 
$$
FORECASTER CANGIALOSI/ZELINSKY
 
 
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