Hurricane Katia

Forecast Advisory 50

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615
WTNT25 KNHC 101430
TCMAT5

TROPICAL STORM NATE FORECAST/ADVISORY NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL AL152011
1500 UTC SAT SEP 10 2011

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WATCH
FROM NORTH OF TAMPICO TO LA CRUZ.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WATCH IS IN EFFECT FOR...
* MEXICO FROM TAMPICO TO VERACRUZ

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MEXICO FROM TAMPICO TO PUNTA EL LAGARTO

TROPICAL STORM CENTER LOCATED NEAR 20.0N 94.2W AT 10/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 5 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 60NE 75SE 90SW 60NW.
12 FT SEAS.. 90NE 90SE 90SW 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 20.0N 94.2W AT 10/1500Z
AT 10/1200Z CENTER WAS LOCATED NEAR 20.0N 94.0W

FORECAST VALID 11/0000Z 19.9N 95.0W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 75NE 75SE 90SW 75NW.

FORECAST VALID 11/1200Z 19.8N 96.1W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 35NE 20SE 15SW 35NW.
34 KT... 75NE 75SE 60SW 90NW.

FORECAST VALID 12/0000Z 19.7N 97.2W...INLAND
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 75NE 30SE 30SW 45NW.

FORECAST VALID 12/1200Z 19.6N 98.4W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 13/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.0N 94.2W

NEXT ADVISORY AT 10/2100Z

$$
FORECASTER BRENNAN





411
WTNT22 KNHC 101450
TCMAT2

POST-TROPICAL CYCLONE KATIA FORECAST/ADVISORY NUMBER 50
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1500 UTC SAT SEP 10 2011

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

POST-TROPICAL CYCLONE CENTER LOCATED NEAR 44.7N 47.7W AT 10/1500Z
POSITION ACCURATE WITHIN 40 NM

PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 46 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 954 MB
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
64 KT....... 50NE 70SE 70SW 50NW.
50 KT....... 90NE 170SE 170SW 100NW.
34 KT.......200NE 270SE 270SW 160NW.
12 FT SEAS..120NE 360SE 800SW 420NW.
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 44.7N 47.7W AT 10/1500Z
AT 10/1200Z CENTER WAS LOCATED NEAR 43.6N 50.5W

FORECAST VALID 11/0000Z 47.5N 38.5W...POST-TROP/EXTRATROP
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 25NE 85SE 85SW 45NW.
50 KT... 60NE 205SE 185SW 90NW.
34 KT...190NE 340SE 310SW 170NW.

FORECAST VALID 11/1200Z 51.5N 27.5W...POST-TROP/EXTRATROP
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 0NE 100SE 100SW 0NW.
50 KT... 0NE 240SE 200SW 80NW.
34 KT...180NE 420SE 360SW 180NW.

FORECAST VALID 12/0000Z 54.5N 19.0W...POST-TROP/EXTRATROP
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 0NE 80SE 80SW 0NW.
50 KT... 0NE 240SE 300SW 0NW.
34 KT...300NE 480SE 480SW 120NW.

FORECAST VALID 12/1200Z 57.5N 11.5W...POST-TROP/EXTRATROP
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 0NE 200SE 280SW 0NW.
34 KT...420NE 540SE 540SW 120NW.

FORECAST VALID 13/1200Z 61.0N 1.0W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 0NE 200SE 280SW 0NW.
34 KT...420NE 540SE 540SW 120NW.

OUTLOOK VALID 15/1200Z...EAST OF ZERO DEGREES LONGITUDE

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 44.7N 47.7W

THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON KATIA. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND
IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...
UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. ALSO...
ADDITIONAL INFORMATION CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED
BY THE UK MET OFFICE...UNDER WMO HEADER FQNT21 EGRR.

$$
FORECASTER STEWART





588
WTNT24 KNHC 101457
TCMAT4

TROPICAL STORM MARIA FORECAST/ADVISORY NUMBER 16
NWS NATIONAL HURRICANE CENTER MIAMI FL AL142011
1500 UTC SAT SEP 10 2011

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

ALL TROPICAL STORM WARNINGS HAVE BEEN DISCONTINUED.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

NONE

INTERESTS IN THE LEEWARD ISLANDS...THE TURKS AND CAICOS
ISLANDS...AND THE SOUTHEASTERN BAHAMAS SHOULD MONITOR THE
PROGRESS OF MARIA.

TROPICAL STORM CENTER LOCATED NEAR 17.3N 61.5W AT 10/1500Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT.......175NE 0SE 0SW 0NW.
12 FT SEAS..240NE 0SE 0SW 180NW.
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 17.3N 61.5W AT 10/1500Z
AT 10/1200Z CENTER WAS LOCATED NEAR 16.9N 61.2W

FORECAST VALID 11/0000Z 18.4N 63.2W
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 11/1200Z 19.9N 64.9W
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 12/0000Z 21.4N 66.5W
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 12/1200Z 22.7N 68.0W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT...125NE 60SE 0SW 60NW.

FORECAST VALID 13/1200Z 24.9N 70.2W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...125NE 60SE 0SW 60NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 14/1200Z 29.0N 71.0W
MAX WIND 55 KT...GUSTS 65 KT.

OUTLOOK VALID 15/1200Z 36.0N 68.0W
MAX WIND 55 KT...GUSTS 65 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.3N 61.5W

NEXT ADVISORY AT 10/2100Z

$$
FORECASTER BROWN