Alert archive / Texas / Tornado Warnings in 2010

Tornado Warning 15, NWS Houston/Galveston, TX

June 10, 2010Houston County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jun 10, 2010, 11:30 AM CDT for Houston County, Texas. It was in force for 17 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
Jun 10, 2010, 11:30 AM CDT (16:30 UTC)
Expired
Jun 10, 2010, 11:47 AM CDT
In force
17 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon

County Houston County, TX

The radar

The Shreveport radar (KSHV), 195 km from the middle of the area, began a volume at 16:30 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.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 4.5 hours before the alert went out and 204 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 2010-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 996 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2010-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
996 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
806 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jun 10, 11:18 AM CDT, 12 minutes earlier.

Area forecast discussion, Jun 10, 11:18 AM CDT, 12 minutes before
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Hazardous weather outlook, Jun 10, 5:15 AM CDT, 6 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
515 AM CDT THU JUN 10 2010

TXZ163-164-176>179-195>198-111300-
BRAZOS-BURLESON-GRIMES-HOUSTON-MADISON-POLK-SAN JACINTO-TRINITY-
WALKER-WASHINGTON-
515 AM CDT THU JUN 10 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

...FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING FLOODING RAINFALL
WILL AFFECT LOCATIONS MAINLY NORTH OF A LINE FROM COLLEGE STATION
TO LIVINGSTON. OTHERWISE...LOCALLY HEAVY RAINFALL HAS THE
POTENTIAL TO FLOOD OVER LOCATIONS THAT EXPERIENCED FLOODING
RAINFALL ON THURSDAY. THERE IS ALSO A SLIGHT RISK FOR STRONG
STORMS GENERATING DAMAGING WIND GUSTS. WIDESPREAD RAINFALL AMOUNTS
OF 1 TO 3 INCHES CAN BE EXPECTED WITH ISOLATED AMOUNTS IN EXCESS
OF 5 INCHES POSSIBLE. THE POTENTIAL FOR HEAVY RAINFALL IS EXPECTED
TO END LATER THIS AFTERNOON OR EARLY THIS EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE REQUIRED TODAY.

GMZ330-335-TXZ199-200-210>214-226-227-235>238-111300-
AUSTIN-BRAZORIA-CHAMBERS-COLORADO-FORT BEND-GALVESTON-
GALVESTON BAY-HARRIS-JACKSON-LIBERTY-MATAGORDA-MATAGORDA BAY-
MONTGOMERY-WALLER-WHARTON-
515 AM CDT THU JUN 10 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS HAVE THE POTENTIAL FOR GENERATING LOCALLY
HEAVY RAINFALL TODAY. THERE IS ALSO A SLIGHT RISK OF STRONG STORMS
GENERATING DAMAGING WIND GUSTS. RAINFALL AMOUNTS OF 1 TO 2 INCHES
ARE POSSIBLE IN THE STRONGER STORMS. THE CHANCE FOR THUNDERSTORMS
IS EXPECTED TO DIMINISH BY AROUND SUNSET.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY.

In the hours before

Special weather statement, Jun 10, 10:57 AM CDT, 33 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 11:09 PM CDTAreal Flood AdvisoryHGXHouston111 min
Jun 10, 1:05 AM CDTAreal Flood AdvisoryHGXHouston115 min
Jun 10, 10:57 AM CDTSpecial Weather StatementHGXHouston63 min
Jun 10, 11:06 AM CDTTornado WarningHGXHouston24 min

Nearby

Tornado Warnings in Texas, 2010Every tornado warning in 2010Tornadoes in 2010

Sources

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