Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 38, NWS Houston/Galveston, TX

May 22, 2018Austin County, Waller County, Washington County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 22, 2018, 4:01 PM CDT for Austin County, Waller County, Washington County, Texas. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 22, 2018, 4:01 PM CDT (21:01 UTC)
Expired
May 22, 2018, 4:45 PM CDT
In force
44 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Austin County, TX, Waller County, TX, Washington County, TX

The radar

The Houston radar (KHGX), 127 km from the middle of the area, began a volume at 21:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 1:45 PM CDT, 2 hours 16 minutes earlier.

Area forecast discussion, May 22, 1:45 PM CDT, 2 hours 16 minutes before
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Hazardous weather outlook, May 22, 4:40 AM CDT, 11 hours 21 minutes before
Hazardous Weather Outlook
National Weather Service Houston/Galveston TX
440 AM CDT Tue May 22 2018

TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-
335>338-436>438-230945-
Austin-Brazoria Islands-Brazos-Burleson-Chambers-Coastal Brazoria-
Coastal Galveston-Coastal Harris-Coastal Jackson-
Coastal Matagorda-Colorado-Fort Bend-
Galveston Island and Bolivar Peninsula-Grimes-Houston-
Inland Brazoria-Inland Galveston-Inland Harris-Inland Jackson-
Inland Matagorda-Madison-Matagorda Islands-Montgomery-
Northern Liberty-Polk-San Jacinto-Southern Liberty-Trinity-Walker-
Waller-Washington-Wharton-
440 AM CDT Tue May 22 2018

This hazardous weather outlook is for portions of Southeast Texas..

.DAY ONE...Today and Tonight

Scattered showers and thunderstorms are expected today. Brief,
but locally heavy rain will be possible with a few of the stronger
storms. The storms are expected to end during the early evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The warmer than normal afternoon temperatures are expected
continue through the upcoming week. Heat index values could reach
100 degrees by the end of the week. Because of how early in the
year this heat is occurring, residents are urged to take
precautions for heat illness. These include taking frequent breaks
if working outdoors, wearing lightweight and loose-fitting
clothing and drinking plenty of water.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

GMZ330-335-350-355-370-375-230945-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
Galveston Bay-Matagorda Bay-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-
440 AM CDT Tue May 22 2018

This hazardous weather outlook is for portions of Southeast Texas..

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, May 22, 3:45 PM CDT, 16 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
345 PM CDT TUE MAY 22 2018

TXZ211-212-222115-
Waller TX-Austin TX-
345 PM CDT TUE MAY 22 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN AUSTIN AND
SOUTHWESTERN WALLER COUNTIES UNTIL 415 PM CDT...

At 344 PM CDT, Doppler radar was tracking a strong thunderstorm over
San Felipe, or near Sealy, moving northwest at 10 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Sealy, San Felipe, Pattison and Monaville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2981 9596 2970 9614 2987 9631 3003 9607
TIME...MOT...LOC 2044Z 153DEG 10KT 2981 9609

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 3:45 PM CDTSpecial Weather StatementHGXAustin30 min
May 22, 5:11 PM CDTSpecial Weather StatementHGXMontgomery49 min
May 22, 6:01 PM CDTSpecial Weather StatementHGXPolk44 min

Nearby

Severe Thunderstorm Warnings in Texas, 2018Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.