Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 78, NWS San Angelo, TX

May 7, 2001Menard County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 7, 2001, 2:41 PM CDT for Menard County, Texas. It was in force for 49 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 7, 2001, 2:41 PM CDT (19:41 UTC)
Expired: May 7, 2001, 3:30 PM CDT
In force: 49 min
Issued by: NWS San Angelo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Menard County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.7 hours before the alert went out and 195 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: 1636 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 3:16 AM CDT, 11 hours 25 minutes earlier.

Area forecast discussion, May 7, 3:16 AM CDT, 11 hours 25 minutes before

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In the hours before

Special weather statement, May 7, 2:30 PM CDT, 11 minutes before

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-072230-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
230 PM CDT MON MAY 7 2001

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN WEST CENTRAL
TEXAS THROUGH THIS EVENING...

A COLD FRONT WILL MOVE SLOWLY SOUTH INTO WEST CENTRAL TEXAS THIS
AFTERNOON. WITH WARM AND UNSTABLE AIR IN PLACE...SCATTERED
THUNDERSTORMS WILL DEVELOP AS THE FRONT APPROACHES AND INTERSECTS
WITH OUTFLOW BOUNDARIES WHICH MOVED INTO THE REGION LAST NIGHT.
THERE IS A SLIGHT RISK THAT SOME OF THESE STORMS WILL BE SEVERE. THE
PRIMARY THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING
WINDS. WITH FAIRLY WEAK STEERING CURRENTS ALOFT...HEAVY RAIN WILL BE
POSSIBLE FROM SLOW MOVING STORMS.

SPOTTER ACTIVATION MAY BE REQUIRED.

FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE PRODUCT
LBBSPSMAF. FOR THE SOUTH PLAINS OUTLOOK SEE PRODUCT LBBSPSLBB. FOR
THE CENTRAL OKLAHOMA OUTLOOK SEE PRODUCT OKCSPSOKC. FOR THE NORTH
TEXAS OUTLOOK SEE PRODUCT FTWSPSFTW. FOR THE SOUTH CENTRAL TEXAS
OUTLOOK SEE PRODUCT SATSPSSAT.

15

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 7, 5:59 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	31 min
May 7, 6:26 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every 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.