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Hurricane Katia Forecast Advisory Number 11

2017-09-08 10:37:23| National Hurricane Center (Atlantic)

Issued at 0900 UTC FRI SEP 08 2017 000 WTNT23 KNHC 080837 TCMAT3 HURRICANE KATIA FORECAST/ADVISORY NUMBER 11 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132017 0900 UTC FRI SEP 08 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * CABO ROJO TO LAGUNA VERDE A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF CABO ROJO TO RIO PANUCO * SOUTH OF LAGUNA VERDE TO PUERTO VERACRUZ 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 TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. HURRICANE CENTER LOCATED NEAR 21.3N 95.4W AT 08/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 250 DEGREES AT 3 KT ESTIMATED MINIMUM CENTRAL PRESSURE 977 MB MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT. 64 KT....... 10NE 10SE 10SW 5NW. 50 KT....... 20NE 20SE 20SW 15NW. 34 KT....... 50NE 50SE 50SW 40NW. 12 FT SEAS.. 90NE 75SE 60SW 75NW. 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 21.3N 95.4W AT 08/0900Z AT 08/0600Z CENTER WAS LOCATED NEAR 21.4N 95.3W FORECAST VALID 08/1800Z 21.0N 96.0W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 10NE 10SE 10SW 10NW. 50 KT... 20NE 20SE 20SW 15NW. 34 KT... 60NE 60SE 50SW 40NW. FORECAST VALID 09/0600Z 20.3N 97.0W...INLAND MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 10NE 10SE 10SW 10NW. 50 KT... 20NE 20SE 20SW 15NW. 34 KT... 60NE 60SE 50SW 40NW. FORECAST VALID 09/1800Z 19.3N 98.2W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 40NE 40SE 0SW 0NW. FORECAST VALID 10/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.3N 95.4W NEXT ADVISORY AT 08/1500Z $$ FORECASTER ROBERTS

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Hurricane Katia Graphics

2017-09-08 07:50:43| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Fri, 08 Sep 2017 05:50:43 GMT Wind Speed Probabilities last updated Fri, 08 Sep 2017 03:35:51 GMT

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Summary for Hurricane Katia (AT3/AL132017)

2017-09-08 07:45:26| National Hurricane Center (Atlantic)

...TROPICAL-STORM-FORCE WINDS EXPECTED TO REACH THE COAST OF EASTERN MEXICO LATER TODAY... As of 1:00 AM CDT Fri Sep 8 the center of Katia was located near 21.4, -95.2 with movement WSW at 3 mph. The minimum central pressure was 982 mb with maximum sustained winds of about 85 mph.

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Hurricane Katia Public Advisory Number 10A

2017-09-08 07:45:26| National Hurricane Center (Atlantic)

Issued at 100 AM CDT Fri Sep 08 2017 000 WTNT33 KNHC 080545 TCPAT3 BULLETIN Hurricane Katia Intermediate Advisory Number 10A NWS National Hurricane Center Miami FL AL132017 100 AM CDT Fri Sep 08 2017 ...TROPICAL-STORM-FORCE WINDS EXPECTED TO REACH THE COAST OF EASTERN MEXICO LATER TODAY... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...21.4N 95.2W ABOUT 165 MI...260 KM NNE OF VERACRUZ MEXICO ABOUT 180 MI...290 KM ESE OF TAMPICO MEXICO MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...WSW OR 250 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Cabo Rojo to Laguna Verde A Tropical Storm Warning is in effect for... * North of Cabo Rojo to Rio Panuco * South of Laguna Verde to Puerto Veracruz. 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 Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 100 AM CDT (0600 UTC), the center of Hurricane Katia was located near latitude 21.4 North, longitude 95.2 West. Katia is moving toward the west-southwest near 3 mph (6 km/h) and this general motion is expected to continue until the system makes landfall by early Saturday. Maximum sustained winds are near 85 mph (140 km/h) with higher gusts. Some strengthening is forecast during the next day or so and Katia could be near major hurricane strength at landfall. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 60 miles (95 km). The estimated minimum central pressure based on Air Force Hurricane Hunter data is 982 mb (29.00 inches). HAZARDS AFFECTING LAND ---------------------- STORM SURGE: A dangerous storm surge will raise water levels by as much as 5 to 7 feet above normal tide levels near and to the north of where Katia makes landfall. Near the coast, the surge will be accompanied by large and destructive waves. RAINFALL: Katia is expected to produce total rain accumulations of 10 to 15 inches over northern Veracruz and eastern Hidalgo, and Puebla. Katia is also expected to produce total rain accumulations of 2 to 5 inches over southern Tamaulipas, eastern San Luis Potosi, western Hidalgo, eastern Queretaro, and southern Veracruz through Saturday evening. Isolated maximum amounts of 25 inches are possible in northern Veracruz and eastern Hidalgo, Puebla, and San Luis Potosi. This rainfall may cause life-threatening flash floods and mudslides, especially in areas of mountainous terrain. WIND: Hurricane conditions are expected within portions of the hurricane warning area by tonight or early Saturday, with tropical storm conditions expected within the tropical storm warning areas by later today. SURF: Swells generated by Katia will continue to affect portions of the coast of southeastern Mexico during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 400 AM CDT. $$ Forecaster Roberts

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