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Hurricane Katia Graphics
2017-09-08 01:42:03| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 07 Sep 2017 23:42:03 GMT Wind Speed Probabilities last updated Thu, 07 Sep 2017 21:35:57 GMT
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Summary for Hurricane Katia (AT3/AL132017)
2017-09-08 01:41:27| National Hurricane Center (Atlantic)
...AIR FORCE HURRICANE HUNTERS ENROUTE TO INVESTIGATE KATIA... As of 7:00 PM CDT Thu Sep 7 the center of Katia was located near 21.6, -94.7 with movement Stationary. The minimum central pressure was 980 mb with maximum sustained winds of about 80 mph.
Hurricane Katia Public Advisory Number 9A
2017-09-08 01:41:27| National Hurricane Center (Atlantic)
Issued at 700 PM CDT Thu Sep 07 2017 000 WTNT33 KNHC 072341 TCPAT3 BULLETIN Hurricane Katia Intermediate Advisory Number 9A NWS National Hurricane Center Miami FL AL132017 700 PM CDT Thu Sep 07 2017 ...AIR FORCE HURRICANE HUNTERS ENROUTE TO INVESTIGATE KATIA... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...21.6N 94.7W ABOUT 190 MI...310 KM NNE OF VERACRUZ MEXICO ABOUT 210 MI...340 KM E OF TAMPICO MEXICO MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...980 MB...28.94 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 700 PM CDT (0000 UTC), the center of Hurricane Katia was located near latitude 21.6 North, longitude 94.7 West. Katia is stationary and little overall motion is anticipated tonight. A slow west-southwest motion is expected by early Friday and Katia is expected to approach the coast within the warning area Friday night or early Saturday. Maximum sustained winds are near 80 mph (130 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. Katia is a small tropical cyclone. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 45 miles (75 km). The estimated minimum central pressure is 980 mb (28.94 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 Friday night or early Saturday, with tropical storm conditions expected within the tropical storm warning areas by late Friday. 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 1000 PM CDT. $$ Forecaster Cangialosi
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Hurricane Katia Graphics
2017-09-07 22:38:52| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 07 Sep 2017 20:38:52 GMT Wind Speed Probabilities last updated Thu, 07 Sep 2017 20:38:52 GMT
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Hurricane Katia Forecast Discussion Number 9
2017-09-07 22:34:24| National Hurricane Center (Atlantic)
Issued at 400 PM CDT Thu Sep 07 2017 000 WTNT43 KNHC 072034 TCDAT3 Hurricane Katia Discussion Number 9 NWS National Hurricane Center Miami FL AL132017 400 PM CDT Thu Sep 07 2017 Katia has changed little in organization since this morning, with limited convective banding features. An eye has not yet become apparent in satellite imagery. The current intensity is held at 70 kt which is roughly the mean of Dvorak estimates from TAFB and SAB. An Air Force Reserve Unit Hurricane Hunter aircraft is scheduled to investigate Katia this evening to check its intensity. Global models continue to show a well-developed upper-level outflow structure tonight and Friday, and strengthening is likely prior to landfall. The official intensity forecast is above the model consensus, and it is possible that Katia will approach major hurricane status prior to crossing the coast of Mexico early Saturday. Comparing afternoon satellite position estimates to reconnaissance center fixes from this morning, there does not appear to have been much motion today. A mid-level ridge is forecast to build to the north of Katia during the next day or so. This should cause Katia to move generally southwestward, and make landfall in Mexico in 36 hours or so. The official track forecast has been shifted just slightly southward and is mainly a blend of the latest simple and corrected consensus guidance tracks. FORECAST POSITIONS AND MAX WINDS INIT 07/2100Z 21.6N 94.6W 70 KT 80 MPH 12H 08/0600Z 21.3N 95.0W 80 KT 90 MPH 24H 08/1800Z 20.9N 95.6W 90 KT 105 MPH 36H 09/0600Z 20.3N 96.7W 90 KT 105 MPH 48H 09/1800Z 19.5N 97.6W 40 KT 45 MPH...INLAND 72H 10/1800Z...DISSIPATED $$ Forecaster Pasch
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