Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 82, NWS Houston/Galveston, TX

June 17, 2008Houston County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 17, 2008, 3:00 PM CDT for Houston County, Texas. It was in force for 60 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 17, 2008, 3:00 PM CDT (20:00 UTC)
Expired: Jun 17, 2008, 4:00 PM CDT
In force: 60 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon

County Houston County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 17, 12:12 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 8.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1234 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 847 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 122 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 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 Jun 17, 2:48 PM CDT, 12 minutes earlier.

Area forecast discussion, Jun 17, 2:48 PM CDT, 12 minutes before

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Hazardous weather outlook, Jun 17, 7:22 AM CDT, 7 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
722 AM CDT TUE JUN 17 2008

TXZ163-164-176>179-195>200-210>214-226-227-235>238-181230-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-
MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-
WHARTON-
722 AM CDT TUE JUN 17 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

VARIOUS SURFACE BOUNDARIES CREATED BY INTERIOR REGIONAL THUNDERSTORM
ACTIVITY WITHIN A VERY WARM...MOIST...AND INCREASING UNSTABLE AFTERNOON
ATMOSPHERE WILL SET UP AN ENVIRONMENT CAPABLE OF SUPPORTING ISOLATED
SEVERE THUNDERSTORM DEVELOPMENT. THE MAIN THREATS FROM THESE THUNDERSTORMS
WILL BE DAMAGING DOWNBURST WINDS...LOCALLY FLOOD-PRODUCING RAINFALL...AND
HAIL TO QUARTER SIZE.

.DAY TWO...WEDNESDAY

THERE IS AN INCREASED CHANCE FOR ANOTHER IN A SERIES OF RED RIVER
VALLEY STORM COMPLEXES TO TRAVEL SOUTH INTO EASTERN TEXAS. IF ONE
OF THESE SYSTEMS DO AFFECT OUR AREA...THE TWO MAIN THREATS WILL
BE DAMAGING WINDS AND HEAVY RAIN. THE POTENTIAL OR SLOWER MOVING
STORMS MAY RESULT IN FLOOD-PRODUCING RAINFALL RATES.

DAYS THREE THROUGH SEVEN...THURSDAY THROUGH MONDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 2:16 PM CDT	Severe Thunderstorm Warning	HGX	Houston	44 min
Jun 17, 3:39 PM CDT	Areal Flood Advisory	HGX	Polk	2 hr
Jun 17, 5:32 PM CDT	Severe Thunderstorm Warning	HGX	Chambers, Liberty	45 min
Jun 17, 5:52 PM CDT	Special Marine Warning	HGX		113 min
Jun 17, 6:10 PM CDT	Severe Thunderstorm Warning	HGX	Harris	30 min
Jun 17, 6:50 PM CDT	Severe Thunderstorm Warning	HGX	Harris	25 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

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.