Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 65, NWS Houston/Galveston, TX

May 6, 2001Burleson County, Washington County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 6, 2001, 10:05 PM CDT for Burleson County, Washington County, Texas. It was in force for 40 min. No storm report in the archive falls 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.

The facts

Issued
May 6, 2001, 10:05 PM CDT (03:05 UTC)
Expired
May 6, 2001, 10:45 PM CDT
In force
40 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Burleson County, TX, Washington County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.1 hours before the alert went out and 285 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, Fort Worth, TX at 00:00Z on 2001-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3285 joules per kilogram.LCLEL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 2001-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897Sfc1 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
3285 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1057 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
2.1
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KHGX 070306
SVRHOU
TXC051-477-070345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1005 PM CDT SUN MAY 6 2001

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BURLESON COUNTY IN SOUTHEAST TEXAS
  WASHINGTON COUNTY IN SOUTHEAST TEXAS

* UNTIL 1045 PM CDT

* AT 956 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6
  MILES NORTHWEST OF INDEPENDENCE...MOVING SOUTH AT 15 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  LAKE SOMERVILLE DAM
  INDEPENDENCE

STRONG WINDS MAY KNOCK DOWN TREES AND POWER LINES OR DAMAGE 
BUILDINGS. TAKE COVER NOW LARGE HAIL IS ALSO POSSIBLE.

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 3043 9655 3013 9650 3027 9623 3057 9644

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 6, 8:20 PM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, May 6, 8:20 PM CDT, 1 hour 45 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
820 PM CDT SUN MAY 6 2001

LN OF STG TO SVR TSTMS ENTERING NRN ZONES ATTM. WILL UP POPS N AND
CTRL FIRST PERIOD. SHD SEE A LULL IN THE ACTION TMRW MORNING AND
EARLY AFTN. ANOTHER ROUND PSBL TMRW AFTN AND EVENING ALG SFC FNTL
BOUNDARY.

NO CHG TO REST OF PKG. BROAD H5 TROF WILL GRADUALLY MOVE E...LEAVING
AREA IN A WEAK NW FLOW BY 60 HRS...CONTG INTO THE WEEKEND. ISOLD TO
SCT CONVECTION PSBL DIURNALLY REST OF WEEK.

REST OF FCST LEFT ALONE BEYOND FIRST PERIOD.

.HGX...NONE.

PRELIMS...
CLL EE 066/084 066/082 062 834
IAH EE 068/084 067/082 063 734
GLS EE 073/081 071/079 070 4433

In the hours before

Special weather statement, May 6, 6:47 PM CDT, 3 hours 18 minutes before
TXZ163-164-176>179-195>200-210>213-227-070600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
647 PM CDT SUN MAY 6 2001

...TORNADO WATCH IN EFFECT FOR INLAND PORTIONS OF SOUTHEAST TEXAS
UNTIL 100 AM TONIGHT...

THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH UNTIL 100 AM
TONIGHT FOR THE FOLLOWING COUNTIES IN SOUTHEAST TEXAS...

AUSTIN...BRAZOS...BURLESON...COLORADO...FORT BEND...GRIMES...
HARRIS...HOUSTON...MADISON...MONTGOMERY...POLK...SAN JACINTO...
TRINITY...WALKER...WALLER...AND WASHINGTON. THE TORNADO WATCH
INCLUDES METRO HOUSTON.

THE ATMOSPHERE THIS EVENING IS VERY UNSTABLE. THIS MEANS THAT THE
AIRMASS NEAR THE SURFACE IS WARM AND MOIST...WHILE COOLER DRIER
CONDITIONS EXIST ALOFT. THIS COMBINED WITH AN UPPER LEVEL
DISTURBANCE CROSSING THE AREA COULD LEAD TO SEVERE THUNDERSTORMS AND
ISOLATED TORNADOES OVER THE AREA.

BE ALERT FOR THE POSSIBILITY OF LARGE HAIL...DAMAGING WINDS...AND
POSSIBLY A TORNADO IN ANY THUNDERSTORMS TONIGHT. THE RISK FOR SEVERE
WEATHER WILL BEGIN NEAR 800 PM IN THE EXTREME NORTH PART OF THE
REGION...SPOTS SUCH AS COLLEGE STATION...MADISONVILLE AND CROCKETT...
WHILE AREAS FURTHER SOUTH SUCH AS CLEVELAND...METRO HOUSTON AND
COLUMBUS WOULD LIKELY NOT EXPERIENCE SEVERE WEATHER UNTIL LATE THIS
EVENING.

STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR THE LATEST
UPDATES. REMEMBER...THE SAFEST PLACE TO BE IN A SEVERE THUNDERSTORM
OR A TORNADO IS THE LOWEST FLOOR OF A REINFORCED BUILDING...AWAY
FROM WINDOWS.

END/46

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 7:04 PM CDTSevere Thunderstorm WarningHGXHouston41 min
May 6, 8:23 PM CDTSevere Thunderstorm WarningHGXHouston, Madison52 min
May 6, 9:43 PM CDTSevere Thunderstorm WarningHGXMontgomery, San Jacinto, Walker47 min
May 6, 9:43 PM CDTSevere Thunderstorm WarningHGXPolk47 min
May 7, 6:49 PM CDTSevere Thunderstorm WarningHGXWharton41 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; the sounding from the Mesonet's radiosonde archive.