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HURRICANE HANNA FORECAST/ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL082020
2100 UTC SAT JUL 25 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE HURRICANE WARNING HAS BEEN REPLACED BY A TROPICAL STORM WARNING
NORTH OF PORT ARANSAS TEXAS.
 
THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED NORTH OF PORT
O'CONNOR TEXAS.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* PORT MANSFIELD TO SARGENT TEXAS
 
A HURRICANE WARNING IS IN EFFECT FOR...
* PORT MANSFIELD TO PORT ARANSAS TEXAS
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BARRA EL MEZQUITAL MEXICO TO PORT MANSFIELD TEXAS
* PORT ARANSAS TO PORT O'CONNOR TEXAS
 
A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING 
INUNDATION...FROM RISING WATER MOVING INLAND FROM THE 
COASTLINE...DURING THE NEXT 24 HOURS 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 OCCURRING
WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY
SHOULD HAVE ALREADY BEEN COMPLETED.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
OCCURRING WITHIN THE WARNING AREAS.
 
INTERESTS ELSEWHERE ALONG THE TEXAS AND LOUISIANA COASTS SHOULD
MONITOR THE PROGRESS OF HANNA.  INTERESTS IN NORTHEASTERN MEXICO
SHOULD ALSO MONITOR THE PROGRESS OF THIS HURRICANE.
 
HURRICANE CENTER LOCATED NEAR 26.8N  97.2W AT 25/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 255 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  973 MB
EYE DIAMETER  30 NM
MAX SUSTAINED WINDS  80 KT WITH GUSTS TO 100 KT.
64 KT....... 25NE  20SE  20SW  25NW.
50 KT....... 50NE  30SE  30SW  50NW.
34 KT....... 80NE  80SE  50SW  80NW.
12 FT SEAS..120NE  90SE  30SW  60NW.
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 26.8N  97.2W AT 25/2100Z
AT 25/1800Z CENTER WAS LOCATED NEAR 27.0N  96.8W
 
FORECAST VALID 26/0600Z 26.7N  98.4W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE   0SE   0SW  20NW.
34 KT... 80NE  80SE  30SW  60NW.
 
FORECAST VALID 26/1800Z 26.0N 100.0W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 27/0600Z 25.5N 101.4W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 27/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.8N  97.2W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 26/0000Z
 
NEXT ADVISORY AT 26/0300Z
 
$$
FORECASTER STEWART
 
 
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