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#899458 (Received by flhurricane at: 10:37 PM 24.Aug.2017)
TCMAT4

HURRICANE HARVEY FORECAST/ADVISORY NUMBER 19
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
0300 UTC FRI AUG 25 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WARNING IS IN EFFECT FOR...
* PORT MANSFIELD TO HIGH ISLAND TEXAS

A STORM SURGE WATCH IS IN EFFECT FOR...
* SOUTH OF PORT MANSFIELD TEXAS TO THE MOUTH OF THE RIO GRANDE

A HURRICANE WARNING IS IN EFFECT FOR...
* PORT MANSFIELD TO SARGENT TEXAS

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH OF SARGENT TO HIGH ISLAND TEXAS
* SOUTH OF PORT MANSFIELD TEXAS TO THE MOUTH OF THE RIO GRANDE

A HURRICANE WATCH IS IN EFFECT FOR...
* SOUTH OF PORT MANSFIELD TEXAS TO THE MOUTH OF THE RIO GRANDE

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTH OF THE MOUTH OF THE RIO GRANDE TO BOCA DE CATAN MEXICO

A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING
INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE...
DURING THE NEXT 36 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 EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-
FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT
OR DANGEROUS. 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 DURING THE NEXT 48 HOURS.

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.

IN ADDITION...INTERESTS IN SOUTHWESTERN LOUISIANA SHOULD CONTINUE
TO MONITOR THE PROGRESS OF THIS SYSTEM.

HURRICANE CENTER LOCATED NEAR 25.2N 94.6W AT 25/0300Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT 9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 973 MB
EYE DIAMETER 15 NM
MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT.
64 KT....... 20NE 10SE 10SW 10NW.
50 KT....... 30NE 20SE 20SW 30NW.
34 KT....... 90NE 50SE 40SW 60NW.
12 FT SEAS.. 90NE 75SE 60SW 90NW.
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 25.2N 94.6W AT 25/0300Z
AT 25/0000Z CENTER WAS LOCATED NEAR 25.1N 94.5W

FORECAST VALID 25/1200Z 26.1N 95.6W
MAX WIND 95 KT...GUSTS 115 KT.
64 KT... 30NE 15SE 10SW 15NW.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...110NE 70SE 50SW 80NW.

FORECAST VALID 26/0000Z 27.2N 96.5W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 35NE 30SE 20SW 30NW.
50 KT... 60NE 50SE 40SW 50NW.
34 KT...130NE 100SE 70SW 100NW.

FORECAST VALID 26/1200Z 28.1N 97.1W...INLAND
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 35NE 30SE 30SW 20NW.
50 KT... 60NE 60SE 50SW 40NW.
34 KT...140NE 110SE 80SW 70NW.

FORECAST VALID 27/0000Z 28.6N 97.3W...INLAND
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 40NE 40SE 30SW 20NW.
34 KT...120NE 100SE 70SW 50NW.

FORECAST VALID 28/0000Z 28.5N 97.5W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 90NE 70SE 30SW 0NW.

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 29/0000Z 28.5N 97.0W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.

OUTLOOK VALID 30/0000Z 29.5N 95.0W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.2N 94.6W

NEXT ADVISORY AT 25/0900Z

$$
FORECASTER BEVEN