Weather Alerts for Houston

Issued by the National Weather Service

       Severe Thunderstorm Warning              Flood Advisory              Special Weather Statement      

Severe Thunderstorm Warning  SEVERE THUNDERSTORM WARNING   Severe Thunderstorm Warning
HOUSTON

Areas Affected:
Harris, TX - Montgomery, TX - Waller, TX
Effective: Sun, 4/12 3:55pm Updated: Sun, 4/12 4:21pm Urgency: Immediate
Expires: Sun, 4/12 4:45pm Severity:  Severe  Certainty: Observed

 
Details:
SVRHGX

The National Weather Service in League City has issued a

* Severe Thunderstorm Warning for...
Southwestern Montgomery County in southeastern Texas...
Southeastern Waller County in southeastern Texas...
Northwestern Harris County in southeastern Texas...

* Until 445 PM CDT.

* At 354 PM CDT, a severe thunderstorm was located near Pattison, or
8 miles north of Brookshire, moving northeast at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include...
Tomball, Pinehurst, Hockley, Stagecoach, Pattison, and Cypress.

Information:
For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

Flood Advisory  FLOOD ADVISORY   Flood Advisory
HOUSTON

Areas Affected:
Austin, TX - Harris, TX - Montgomery, TX - Waller, TX
Effective: Sun, 4/12 4:10pm Updated: Sun, 4/12 4:21pm Urgency: Expected
Expires: Sun, 4/12 7:15pm Severity: Minor Certainty: Likely

 
Details:
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.

* WHERE...A portion of southeast Texas, including the following
counties, Austin, Harris, Montgomery and Waller.

* WHEN...Until 715 PM CDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.

* ADDITIONAL DETAILS...
- At 409 PM CDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. This will cause
urban and small stream flooding. Between 2 and 3 inches of
rain have fallen. Rainfall rates in excess of 4 inches per
hour have been observed.
- Additional rainfall amounts of 2 to 3 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Tomball, Sealy, Brookshire, Pinehurst, Hockley, San Felipe,
Stagecoach, Pattison, Cypress and Monaville.
- http://www.weather.gov/safety/flood

Information:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

Flood Watch  FLOOD WATCH   Flood Watch
HOUSTON

Areas Affected:
Montgomery - Waller - Inland Harris
Effective: Sun, 4/12 3:32pm Updated: Sun, 4/12 4:21pm Urgency: Future
Expires: Mon, 4/13 4:00am Severity:  Severe  Certainty: Possible

 
Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of southeast Texas, including the following
areas, Inland Harris, Montgomery and Waller.

* WHEN...Through Monday 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...
- Slow moving, training showers and thunderstorms are expected
to develop somewhere within the watch area this afternoon and
continue into this evening or overnight tonight. Generally
expecting totals of 1 to 3 inches, but isolated higher
amounts of 3 to 6 inches will be possible if strong
thunderstorms move over the same area. Rainfall rates of 2-4"
per hour will be possible within the strongest storms.
- http://www.weather.gov/safety/flood

Information:
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.

Special Weather Statement  SPECIAL WEATHER STATEMENT   Special Weather Statement
HOUSTON

Areas Affected:
Austin - Waller - Inland Harris - Fort Bend
Effective: Sun, 4/12 3:41pm Updated: Sun, 4/12 4:21pm Urgency: Expected
Expires: Sun, 4/12 4:30pm Severity:  Moderate  Certainty: Observed

 
Details:
At 340 PM CDT, Doppler radar was tracking a strong thunderstorm over
San Felipe, or near Sealy, moving northeast at 30 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

Locations impacted include...
Katy, Sealy, Brookshire, Hockley, Waller, Simonton, San Felipe,
Pattison, Cypress, and Monaville.

Information:
If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.