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Tropical Storm Katia Graphics
2017-09-09 08:32:20| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 09 Sep 2017 06:32:20 GMT Wind Speed Probabilities last updated Sat, 09 Sep 2017 03:39:39 GMT
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Summary for Tropical Storm Katia (AT3/AL132017)
2017-09-09 07:55:43| National Hurricane Center (Atlantic)
...KATIA BECOMES A TROPICAL STORM AS IT MOVES FURTHER INTO MEXICO... As of 1:00 AM CDT Sat Sep 9 the center of Katia was located near 20.3, -97.4 with movement SW at 8 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 45 mph.
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Tropical Storm Katia Public Advisory Number 14A
2017-09-09 07:55:43| National Hurricane Center (Atlantic)
Issued at 100 AM CDT Sat Sep 09 2017 000 WTNT33 KNHC 090555 TCPAT3 BULLETIN Tropical Storm Katia Intermediate Advisory Number 14A NWS National Hurricane Center Miami FL AL132017 Issued by the NWS Weather Prediction Center College Park MD 100 AM CDT Sat Sep 09 2017 ...KATIA BECOMES A TROPICAL STORM AS IT MOVES FURTHER INTO MEXICO... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...20.3N 97.4W ABOUT 135 MI...220 KM SSE OF TAMPICO MEXICO ABOUT 110 MI...175 KM NW OF VERACRUZ MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...70 KM/H PRESENT MOVEMENT...SW OR 220 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Hurricane Warning between Cabo Rojo and Laguna Verde has been changed to a Tropical Storm Warning. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Rio Panuco to Puerto Veracruz A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. 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 Tropical Storm Katia was located near latitude 20.3 North, longitude 97.4 West. Katia is moving toward the southwest near 8 mph (13 km/h) and this general motion is expected to continue until dissipation today. Maximum sustained winds are near 45 mph (70 km/h) with higher gusts. Continued rapid weakening is forecast. Tropical-storm-force winds extend outward up to 65 miles (100 km). The estimated minimum central pressure is 998 mb (29.47 inches). HAZARDS AFFECTING LAND ---------------------- STORM SURGE: Some inundation along the coast due to storm surge will remain possible this morning. Water levels along the coast should begin to decrease as the storm moves inland and winds subside. RAINFALL: Katia is expected to produce total rain accumulations of 10 to 15 inches over northern Veracruz, 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, eastern Hidalgo, Puebla, and San Luis Potosi. This rainfall will likely cause life-threatening flash floods and mudslides, especially in areas of mountainous terrain. WIND: Tropical storm conditions are expected to continue within the tropical storm warning areas. 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 Lamers/Roth
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Hurricane Katia Graphics
2017-09-09 04:53:49| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 09 Sep 2017 02:53:49 GMT Wind Speed Probabilities last updated Sat, 09 Sep 2017 02:53:49 GMT
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Hurricane Katia Forecast Discussion Number 14
2017-09-09 04:36:38| National Hurricane Center (Atlantic)
Issued at 1000 PM CDT Fri Sep 08 2017 000 WTNT43 KNHC 090236 TCDAT3 Hurricane Katia Discussion Number 14 NWS National Hurricane Center Miami FL AL132017 Issued by the NWS Weather Prediction Center College Park MD 1000 PM CDT Fri Sep 08 2017 Satellite imagery shows Katia has become much less organized over the past several hours with a shrinking area of warming cloud tops. The weakening of Katia could be due to drier air wrapping around the cyclone's western side, which was noted in satellite-based layered precipitable water products. Reconnaissance aircraft has reported a significant northeast tilt of the circulation with height, a sign of southwesterly vertical wind shear. The initial wind speed has been decreased to 65 knots based on a blend of subjective Dvorak estimates from TAFB and SAB and is close to SFMR wind observations from Air Force reconnasissance aircraft currently sampling the storm. Katia is currently making landfall north of Tecolutla, Mexico. Rapid weakening is expected from here on out, and Katia is forecast to dissipate over the rugged terrain of the Sierra Madre mountains on Saturday. Katia has made a turn to the west-southwest at 6 kt. The official track forecast remains consistent with the previous advisory. The weakening hurricane is expected to continue moving west-southwest until dissipation. Very heavy rains associated with Katia are expected to affect eastern Mexico. These rains will likely cause life-threatening flash floods and mudslides. FORECAST POSITIONS AND MAX WINDS INIT 09/0300Z 20.6N 97.2W 65 KT 75 MPH 12H 09/1200Z 20.2N 97.9W 40 KT 45 MPH...INLAND 24H 10/0000Z 19.7N 98.9W 25 KT 30 MPH...DISSIPATED $$ Forecaster Roth/Lamers
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