TX WFO HOUSTON/GALVESTON Warnings, Watches, and Advisories

WFO HOUSTON/GALVESTON Warnings, Watches and Advisories for Saturday, November 26, 2022

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AREAL FLOOD WATCH

URGENT - IMMEDIATE BROADCAST REQUESTED

Flood Watch

National Weather Service Houston/Galveston TX

120 PM CST Thu Nov 24 2022

...FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of south central Texas and southeast Texas,

including the following areas, in south central Texas, Coastal

Jackson and Inland Jackson. In southeast Texas, Austin, Bolivar

Peninsula, Chambers, Coastal Brazoria, Coastal Galveston, Coastal

Harris, Coastal Matagorda, Colorado, Fort Bend, Galveston Island,

Inland Brazoria, Inland Galveston, Inland Harris, Inland

Matagorda, Matagorda Islands, Montgomery, Northern Liberty,

Southern Liberty, Waller and Wharton.

* WHEN...Through Saturday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,

creeks, streams, and other low-lying and flood-prone locations.

Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...

- Periods of showers and thunderstorms are expected in and near

the Watch area through Saturday morning. Rainfall rates up to

2 inches per hour are expected with higher rates up to 4

inches per hour in the stronger and slower moving storms.

Locations that have already received heavy rain on Thursday,

especially across southeastern Harris county and Brazoria

county will be most vulnerable to flooding. There might be

periods with little to no rainfall, but when heavy rains

return late Friday the flood risk will increase.

- https://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood

Warnings. Those living in areas prone to flooding should be prepared

to take action should flooding develop.

...Strong thunderstorms will impact portions of southern De Soto and

northwestern Sabine Parishes, east central Nacogdoches, Shelby and

northern San Augustine Counties through 230 PM CST...

At 120 PM CST, Doppler radar was tracking strong thunderstorms along

a line extending from Logansport to Woden. Movement was east at 40

mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around

unsecured objects.

Locations impacted include...

Center, Mansfield, San Augustine, Logansport, Joaquin, Converse,

Melrose, Woden, Patroon, Shelbyville, Martinsville, Bland Lake,

Neuville, Chireno, Huxley, South Mansfield, Stanley, Hurstown, James

and Calgary.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead

to localized flooding. Do not drive your vehicle through flooded

roadways.

Frequent cloud to ground lightning is occurring with these storms.

Lightning can strike 10 miles away from a thunderstorm. Seek a safe

shelter inside a building or vehicle.

If on or near northern half of Toledo Bend, get out of the water and

move indoors or inside a vehicle. Remember, lightning can strike out

to 10 miles from the parent thunderstorm. If you can hear thunder,

you are close enough to be struck by lightning. Move to safe shelter

now! Do not be caught on the water in a thunderstorm.

LAT...LON 3146 9459 3198 9409 3198 9402 3199 9404

3202 9404 3205 9350 3158 9378 3157 9382

3161 9390 3157 9398 3155 9399

TIME...MOT...LOC 1920Z 254DEG 35KT 3199 9401 3147 9453

MAX HAIL SIZE...0.00 IN

MAX WIND GUST...40 MPH

***PERIODS OF LIGHT TO MODERATE SNOW POSSIBLE THROUGH FRIDAY

NIGHT***

A potent winter storm is expected to move through area beginning

this afternoon, lasting into early Saturday morning. The best

chance for accumulating snow will be across portions of Hudspeth

and Otero Counties where a winter storm warning and winter weather

advisory remain in effect. Elsewhere, isolated to scattered rain

and snow showers will be possible. Periods of moderate to heavy

snowfall cannot be ruled out during the overnight periods. This

could cause brief accumulations and travel impacts, especially on

bridges, overpasses, and mountain passes. Little to no snowfall

accumulation is expected for most locations, but a few isolated

areas of 1 to 2 inches cannot be ruled out within these heavier

snow showers.

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