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Good?afternoon,

Overview

Strong to severe thunderstorms will be possible over the next several days leading up to a cold front this weekend. For Wednesday and Thursday, the severe weather risk is expected to be more isolated in nature, focused across our northern counties. The Storm Prediction Center has these areas under a Marginal (Level 1/5) Risk of Severe weather on these days, with damaging wind gusts and large hail being the primary risks. An isolated tornado cannot be completely ruled out.

Risk of severe weather increases and expands further south to the I-10 corridor on Friday, extending into Saturday as the cold front pushes through SE Texas. The Storm Prediction Center has these areas along/north of I-10 under a Slight (Level 2/5) Risk of Severe weather for Friday as Saturday. All severe weather hazards will be on the table for these days (damaging winds, large hail, isolated tornado). In addition, locally heavy rainfall will also be possible on Saturday as the front pushes through SE Texas. The Weather Prediction Center has areas north of I-10 and along/east of I-45 under a Slight Risk (level 2 of 4) of Excessive rainfall for Saturday.

Urban Flash Flood Messaging

Heavy rainfall is forecast for portions of Southeast Texas, including highly urbanized areas like the Houston metropolitan area. Based on forecast conditions, NWS Houston will be utilizing the following urban flash flood messaging for this event:

Street Flooding (Select if Anticipating Moderate Rainfall Rates; 1-2"/hour)

- Drive with caution. Cars may flood in low-lying areas. Ponding on roadways may increase risk of hydroplaning.

- Pay attention to the weather. Monitor the NWS, your local media, HCFCD and other official weather information sources.

- Rain may move repeatedly across the same area, causing a rapid rise on creeks and bayous. However, creeks and bayous are not likely to exceed their banks.

Miscellaneous Hazards

A Wind Advisory and Small Craft Advisory are also in effect for Wednesday

Resources

• NWS Houston Galveston Phone Numbers:?(281) 337-5074 ext. 232?or ext. 234
• NWS Houston/Galveston Webpage: ?
• National Hurricane Center Webpage:
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• West Gulf River Forecast Center Webpage: ?
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If you have any additional questions, please feel free to contact our office at the phone numbers listed in the Resources?section above.

Bradley Brokamp, Tim Cady and Hayley Adams

Forecasters

National Weather Service - Houston/Galveston, TX

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