FLORIDA
STORMS
1. Tropical storm conditions are expected to persist into this afternoon near and to the east of the center of Hanna.xx
2. Heavy rainfall from Hanna has already produced numerous reports of flash flooding across south Texas. Additional heavy rainfall will continue to cause life-threatening flash flooding over south Texas and northern Mexico, and isolated minor to moderate river flooding in south Texas.xx
3. Storm surge along the Texas coast should continue to diminish today.xx
1. Tropical storm conditions are expected to persist into this afternoon near and to the east of the center of Hanna.xx
2. Heavy rainfall from Hanna has already produced numerous reports of flash flooding across south Texas. Additional heavy rainfall will continue to cause life-threatening flash flooding over south Texas and northern Mexico, and isolated minor to moderate river flooding in south Texas.xx
3. Storm surge along the Texas coast should continue to diminish today.xx
CHANGES WITH THIS ADVISORY:
The Tropical Storm Warning along the coast of Texas south of Baffin Bay has been discontinued.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
- Barra el Mezquital Mexico to the Mouth of the Rio Grande
Interests in northeastern Mexico should monitor the progress of Hanna.
For storm information specific to your area, please monitor products issued by your national meteorological service.
CHANGES WITH THIS ADVISORY:
The Tropical Storm Warning along the coast of Texas south of Baffin Bay has been discontinued.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
- Barra el Mezquital Mexico to the Mouth of the Rio Grande
Interests in northeastern Mexico should monitor the progress of Hanna.
For storm information specific to your area, please monitor products issued by your national meteorological service.
Key messages for Hanna can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC and on the web at www.hurricanes.gov/text/MIATCDAT3.shtml.
STORM SURGE: Water levels along the Texas coast will gradually subside through this afternoon. Consult products issued by your local National Weather Service forecast office for additional information.
WIND: Tropical storm conditions will continue near the center of Hanna for the next several hours, and along the coast of Mexico within the warning area for a few more hours.
RAINFALL: Hanna is expected to produce the following rain accumulations and flood threats through Monday:
South Texas...Additional 2 to 5 inches. Storm total amounts 6 to 12 inches, isolated 16 inches. Northern Mexican states of Coahuila, Nuevo Leon, Tamaulipas...6 to 12 inches, isolated 16 inches. Northern Mexican states of northern Zacatecas and eastern Durango...1 to 4 inches.
This rain will produce lifethreatening flash flooding, rapid rises on small streams, and isolated minor to moderate river flooding in South Texas. Flash flooding and mudslides are likely across Northern Mexican states.
SURF: Swells generated by Hanna will continue to affect much of the Texas and Louisiana coasts for another day or so. These swells are likely to cause lifethreatening surf and rip current conditions. Please consult products from your local weather office.
TORNADOES: A few tornadoes are possible today into this evening across parts of south Texas.
Key messages for Hanna can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC and on the web at www.hurricanes.gov/text/MIATCDAT3.shtml.
STORM SURGE: Water levels along the Texas coast will gradually subside through this afternoon. Consult products issued by your local National Weather Service forecast office for additional information.
WIND: Tropical storm conditions will continue near the center of Hanna for the next several hours, and along the coast of Mexico within the warning area for a few more hours.
RAINFALL: Hanna is expected to produce the following rain accumulations and flood threats through Monday:
South Texas...Additional 2 to 5 inches. Storm total amounts 6 to 12 inches, isolated 16 inches. Northern Mexican states of Coahuila, Nuevo Leon, Tamaulipas...6 to 12 inches, isolated 16 inches. Northern Mexican states of northern Zacatecas and eastern Durango...1 to 4 inches.
This rain will produce lifethreatening flash flooding, rapid rises on small streams, and isolated minor to moderate river flooding in South Texas. Flash flooding and mudslides are likely across Northern Mexican states.
SURF: Swells generated by Hanna will continue to affect much of the Texas and Louisiana coasts for another day or so. These swells are likely to cause lifethreatening surf and rip current conditions. Please consult products from your local weather office.
TORNADOES: A few tornadoes are possible today into this evening across parts of south Texas.
At 1000 AM CDT (1500 UTC), the center of Tropical Storm Hanna was located near latitude 26.1 North, longitude 99.7 West. Hanna is moving toward the westsouthwest near 9 mph (15 km/h) and this motion is expected to continue through Monday. On the forecast track, the center of Hanna should continue to move farther inland over northeastern Mexico through tonight.
Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Additional weakening is expected as the center of Hanna moves farther inland, and the cyclone is expected to weaken to a tropical depression later today and dissipate Monday or Monday night.
Tropicalstormforce winds extend outward up to 105 miles (165 km) from the center.
The estimated minimum central pressure is 995 mb (29.39 inches).
At 1000 AM CDT (1500 UTC), the center of Tropical Storm Hanna was located near latitude 26.1 North, longitude 99.7 West. Hanna is moving toward the westsouthwest near 9 mph (15 km/h) and this motion is expected to continue through Monday. On the forecast track, the center of Hanna should continue to move farther inland over northeastern Mexico through tonight.
Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Additional weakening is expected as the center of Hanna moves farther inland, and the cyclone is expected to weaken to a tropical depression later today and dissipate Monday or Monday night.
Tropicalstormforce winds extend outward up to 105 miles (165 km) from the center.
The estimated minimum central pressure is 995 mb (29.39 inches).
Surface observations and WSR-88D radar data from Brownsville, Texas, indicate that Hanna continues to weaken as it moves farther inland. The radar shows a couple of fairly well-defined bands of convection over the eastern semicircle and tropical-storm-force wind gusts have been reported at observing sites along the U.S./Mexico border within the past couple of hours. The initial intensity has been reduced to 40 kt, and is based primarily on recent observations and Doppler radar velocities. Hanna should continue to weaken quickly during the next 12-24 hours as it moves inland over Mexico. Hanna is forecast to become a tropical depression later today and dissipate over the mountainous terrain of Mexico by Monday night.
Hanna is moving west-southwestward or 250/8 kt. The system is forecast to continue moving west-southwestward around the southern portion of a mid-level ridge over the central United States. The new NHC track forecast is similar to the previous advisory and lies near the various consensus aids. Key Messages
1. Tropical storm conditions are expected to persist into this afternoon near and to the east of the center of Hanna.
2. Heavy rainfall from Hanna has already produced numerous reports of flash flooding across south Texas. Additional heavy rainfall will continue to cause life-threatening flash flooding over south Texas and northern Mexico, and isolated minor to moderate river flooding in south Texas.
3. Storm surge along the Texas coast should continue to diminish today.
Surface observations and WSR-88D radar data from Brownsville, Texas, indicate that Hanna continues to weaken as it moves farther inland. The radar shows a couple of fairly well-defined bands of convection over the eastern semicircle and tropical-storm-force wind gusts have been reported at observing sites along the U.S./Mexico border within the past couple of hours. The initial intensity has been reduced to 40 kt, and is based primarily on recent observations and Doppler radar velocities. Hanna should continue to weaken quickly during the next 12-24 hours as it moves inland over Mexico. Hanna is forecast to become a tropical depression later today and dissipate over the mountainous terrain of Mexico by Monday night.
Hanna is moving west-southwestward or 250/8 kt. The system is forecast to continue moving west-southwestward around the southern portion of a mid-level ridge over the central United States. The new NHC track forecast is similar to the previous advisory and lies near the various consensus aids. Key Messages
1. Tropical storm conditions are expected to persist into this afternoon near and to the east of the center of Hanna.
2. Heavy rainfall from Hanna has already produced numerous reports of flash flooding across south Texas. Additional heavy rainfall will continue to cause life-threatening flash flooding over south Texas and northern Mexico, and isolated minor to moderate river flooding in south Texas.
3. Storm surge along the Texas coast should continue to diminish today.
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