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HURRICANE HARVEY FORECAST/ADVISORY NUMBER  24
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092017
0900 UTC SAT AUG 26 2017
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE HURRICANE WARNING AND STORM SURGE WARNING HAVE BEEN
DISCONTINUED SOUTH OF BAFFIN BAY.  THE HURRICANE WARNING NORTH OF
PORT O'CONNOR TO SARGENT HAS BEEN CHANGED TO A TROPICAL STORM
WARNING.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT... 
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* BAFFIN BAY TO HIGH ISLAND TEXAS
 
A HURRICANE WARNING IS IN EFFECT FOR...
* BAFFIN BAY TO PORT O'CONNOR TEXAS
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH OF PORT O'CONNOR TO HIGH ISLAND TEXAS
 
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.
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD ALREADY BE COMPLETE.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING.
 
INTERESTS IN SOUTHWESTERN LOUISIANA SHOULD CONTINUE TO MONITOR THE
PROGRESS OF THIS SYSTEM.
 
HURRICANE CENTER LOCATED NEAR 28.5N  97.2W AT 26/0900Z
POSITION ACCURATE WITHIN  10 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT   5 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  963 MB
EYE DIAMETER  10 NM
MAX SUSTAINED WINDS  85 KT WITH GUSTS TO 105 KT.
64 KT....... 30NE  25SE  20SW  25NW.
50 KT....... 50NE  50SE  30SW  40NW.
34 KT.......120NE 100SE  70SW  70NW.
12 FT SEAS..150NE 180SE   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 28.5N  97.2W AT 26/0900Z
AT 26/0600Z CENTER WAS LOCATED NEAR 28.2N  97.1W
 
FORECAST VALID 26/1800Z 28.8N  97.4W...INLAND
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 20NE  20SE  10SW  15NW.
50 KT... 40NE  40SE  20SW  30NW.
34 KT...100NE 100SE  60SW  70NW.
 
FORECAST VALID 27/0600Z 29.0N  97.6W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  30SE  20SW  20NW.
34 KT... 70NE  80SE  40SW  60NW.
 
FORECAST VALID 27/1800Z 28.7N  97.6W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  60SE  40SW  50NW.
 
FORECAST VALID 28/0600Z 28.5N  97.3W...INLAND
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 70NE  50SE  40SW  50NW.
 
FORECAST VALID 29/0600Z 28.3N  96.8W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 70NE  60SE  50SW  40NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 30/0600Z 29.0N  96.5W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
 
OUTLOOK VALID 31/0600Z 30.0N  96.5W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.5N  97.2W
 
NEXT ADVISORY AT 26/1500Z
 
$$
FORECASTER BERG
 
 
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