Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 7, NWS Houston/Galveston, TX

February 26, 2001Houston County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Feb 26, 2001, 1:03 PM CST for Houston County, Texas. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Feb 26, 2001, 1:03 PM CST (19:03 UTC)
Expired
Feb 26, 2001, 1:45 PM CST
In force
42 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Houston County, TX

The radar

The Shreveport radar (KSHV), 179 km from the middle of the area, began a volume at 19:20 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 was reported inside it

TimeReportWhereRemark
Feb 26, 1:15 PM CSTHail 1Latexo, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 7.1 hours before the alert went out and 188 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 2001-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2001-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1867 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
278 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KHGX 261904
SVRHOU
TXC225-261945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
103 PM CST MON FEB 26 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOUSTON COUNTY IN SOUTHEAST TEXAS

* UNTIL 145 PM CST

* AT 1254 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER
  LATEXO...MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...        
  LATEXO...WECHES...FM 2022...HIGHWAY 21

MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. STAY AWAY FROM WINDOWS

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3146 9556 3130 9548 3143 9505 3155 9515
          3158 9527

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 Feb 26, 9:55 AM CST, 3 hours 8 minutes earlier.

Area forecast discussion, Feb 26, 9:55 AM CST, 3 hours 8 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
955 AM CST MON FEB 26 2001

WARM FRONT JUST OFF THE MATAGORDA COAST & JUST SOUTH OF 42035 THIS
MORNING. LOOKS LIKE 12Z ETA INITIALIZED FAIRLY WELL SO...SO WILL BUY
ITS SOLN FOR AT LEAST THIS AFTERNOON BY GRADUALLY MOVING THE FRONT
INLAND. AXIS OF SCT SHWR/TSTMS FROM ROUGHLY MATAGORDA TO LIVINGSTON
WITH ADDITIONAL ACTIVITY DEVELOPING OFF THE CRP COASTLINE. WILL
NUDGE POPS UP TO 40 PERCENT NORTH AND WEST OF THE AXIS AND UP TO 30
PERCENT SOUTHEAST. MAY LOWER COASTAL TEMPS A CAT SINCE THEY WILL
LIKELY BY SOCKED IN WITH FOG ON AND OFF THIS AFTERNOON. REST OF
TEMPS LOOK ON TRACK

.KHGX...NONE.

47/31/43

PRELIMS...
CLL EE 075/062 075/053 053 424
IAH EE 075/063 076/054 054 324
GLS EE 070/066 075/057 056 324

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 2:57 PM CSTSevere Thunderstorm WarningHGXMadison33 min
Feb 26, 4:40 PM CSTSevere Thunderstorm WarningHGXHouston35 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001

Sources

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