Hurricane Laura Forecast Advisory

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ZCZC MIATCMAT3 ALL
TTAA00 KNHC DDHHMM CCA

HURRICANE LAURA FORECAST/ADVISORY NUMBER  27...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL132020
1500 UTC WED AUG 26 2020

CORRRECTED TO DENOTE INLAND AT THE 24 HOUR FORECAST POSITION 

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WARNING IS IN EFFECT FOR...
* FREEPORT TEXAS TO THE MOUTH OF THE MISSISSIPPI RIVER

A HURRICANE WARNING IS IN EFFECT FOR...
* SAN LUIS PASS TEXAS TO INTRACOASTAL CITY LOUISIANA

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* SARGENT TEXAS TO SAN LUIS PASS
* EAST OF INTRACOASTAL CITY LOUISIANA TO THE MOUTH OF THE
MISSISSIPPI RIVER

A STORM SURGE WATCH IS IN EFFECT FOR...
* MOUTH OF THE MISSISSIPPI RIVER TO OCEAN SPRINGS MISSISSIPPI
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND LAKE BORGNE

A HURRICANE WATCH IS IN EFFECT FOR...
* EAST OF INTRACOASTAL CITY TO WEST OF MORGAN CITY LOUISIANA

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 STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE-
THREATENING INUNDATION FROM RISING WATER MOVING INLAND FROM THE
COASTLINE IN THE INDICATED LOCATIONS.

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 27.0N  92.0W AT 26/1500Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT  14 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  956 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS 110 KT WITH GUSTS TO 135 KT.
64 KT....... 60NE  50SE  20SW  40NW.
50 KT.......100NE  90SE  30SW  60NW.
34 KT.......150NE 140SE  70SW  90NW.
12 FT SEAS..240NE 180SE 120SW 150NW.
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 27.0N  92.0W AT 26/1500Z
AT 26/1200Z CENTER WAS LOCATED NEAR 26.5N  91.5W

FORECAST VALID 27/0000Z 28.5N  93.2W
MAX WIND 125 KT...GUSTS 150 KT.
64 KT... 60NE  50SE  30SW  40NW.
50 KT... 90NE  80SE  40SW  50NW.
34 KT...150NE 140SE  70SW 100NW.

FORECAST VALID 27/1200Z 31.0N  93.8W...INLAND
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 30NE  30SE   0SW  15NW.
50 KT... 50NE  50SE  20SW  20NW.
34 KT... 90NE 110SE  60SW  60NW.

FORECAST VALID 28/0000Z 33.7N  93.5W...INLAND
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE  60SE   0SW  20NW.

FORECAST VALID 28/1200Z 35.8N  92.2W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.

FORECAST VALID 29/0000Z 37.2N  89.1W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.

FORECAST VALID 29/1200Z 37.6N  83.9W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.

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 30/1200Z 40.0N  70.0W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.

OUTLOOK VALID 31/1200Z 48.0N  55.0W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.0N  92.0W

INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 26/1800Z

NEXT ADVISORY AT 26/2100Z

$$
FORECASTER BROWN


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