Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 23, NWS Corpus Christi, TX

May 7, 2001Jim Wells County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 7, 2001, 12:01 AM CDT for Jim Wells County, Texas. It was in force for 59 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 7, 2001, 12:01 AM CDT (05:01 UTC)
Expired
May 7, 2001, 1:00 AM CDT
In force
59 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Jim Wells County, TX

The radar

The Corpus Christi radar (KCRP), 57 km from the middle of the area, began a volume at 05:01 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
May 7, 12:30 AM CDTThunderstorm Wind 60 EAlice, TXSeveral large trees blown over with law enforcement signs downed. Damage to an officers home due to tree falling on roof.

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

Corpus Christi, TX (KCRP), launched 00:00Z, 5.0 hours before the alert went out and 74 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, Corpus Christi, TX at 00:00Z on 2001-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2134 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, Corpus Christi, TX at 00:00Z on 2001-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
2134 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-5 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

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 Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 6, 10:30 PM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, May 6, 10:30 PM CDT, 1 hour 31 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1030 PM CDT SUN MAY 6 2001

WATER VAPOR IMAGERY SUGGESTS AN UPPER JET ACROSS/APPROACHING THE CWA
FROM THE SOUTHWEST. THE NGM/ETA INITIALIZES THIS JET TO THE
SOUTHWEST OF THE CWA AND PROGS IT TO MOVE ACROSS THE AREA OVERNIGHT.
THE COMBINATION OF UPPER FORCING AND BOUNDARY INTERACTIONS MAY
GENERATE ADDITIONAL ACTIVITY OVERNIGHT. WL MAINTAIN POPS OVER THE
CWA FOR OVERNIGHT. HWR...WL MAKE ADJUSTMENTS TO THE ZFP AS THE
STATUS OF THE TORNADO WATCH CHANGES. MARINE...ANTICIPATE DEVELOPMENT
LATER TONIGHT OVER THE AREA IN RESPONSE TO THE UPPER JET. WL
MAINTAIN THE SCEC OFFSHORE.

.CRP...NONE.

87

In the hours before

Special weather statement, May 6, 6:20 PM CDT, 5 hours 41 minutes before
TXZ229>231-239>241-070500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
620 PM CDT SUN MAY 6 2001

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
VALID UNTIL MIDNIGHT CDT MONDAY MORNING. THE WATCH INCLUDES THE
COUNTIES OF DUVAL...JIM WELLS...LA SALLE...LIVE OAK...MCMULLEN AND
WEBB. SOME CITIES INCLUDED IN THE WATCH ARE ALICE...CHOKE CANYON...
COTULLA...LAKE CORPUS CHRISTI...LAREDO...MIRANDO CITY...OILTON...
PREMONT...SAN DIEGO AND TILDEN.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS TO OCCUR IN OR NEAR THE WATCH AREA. SEVERE
THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF A DIME
OR LARGER...STRONG WINDS OF 58 MPH OR GREATER AND EVEN TORNADOES.

EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE
ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE
READY TO ACT QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA. IF
SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM
AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE
GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN
SEVERE WEATHER.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR
POSSIBLE WARNINGS REGARDING THIS DEVELOPING WEATHER SITUATION.

FOR THE LATEST WEATHER FORECASTS AND WARNINGS...CHECK OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/CRP

COLLINS
Special weather statement, May 6, 6:25 PM CDT, 5 hours 36 minutes before
TXZ229>231-239>241-070500-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
625 PM CDT SUN MAY 6 2001

...A TORNADO WATCH IS IN EFFECT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH VALID UNTIL
MIDNIGHT CDT MONDAY MORNING. THE WATCH INCLUDES THE COUNTIES OF
DUVAL...JIM WELLS...LA SALLE...LIVE OAK...MCMULLEN AND WEBB. SOME
CITIES INCLUDED IN THE WATCH ARE ALICE...CHOKE CANYON...COTULLA...
LAKE CORPUS CHRISTI...LAREDO...MIRANDO CITY...OILTON...PREMONT...SAN
DIEGO AND TILDEN.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES TO OCCUR
IN OR NEAR THE WATCH AREA. IF TORNADOES DO IN FACT DEVELOP OR ARE
SPOTTED...THEN A TORNADO WARNING WILL BE ISSUED.

EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE
ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE
READY TO QUICKLY ACT IF THREATENING WEATHER APPROACHES YOUR AREA. IF
SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM
AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE
GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN
SEVERE WEATHER.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR
POSSIBLE WARNINGS REGARDING THIS DEVELOPING WEATHER SITUATION.

FOR THE LATEST WEATHER FORECASTS AND WARNINGS...CHECK OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/CRP

COLLINS
Local storm report, May 6, 7:08 PM CDT, 4 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
708 PM CDT SUN MAY 6 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0630 PM    7 N ENCINAL               TX   2.00 INCH HAIL
05/06/01   LA_SALLE                       REPORTED BY BROADCAST MEDIA
Local storm report, May 6, 7:59 PM CDT, 4 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
759 PM CDT SUN MAY 6 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0758 PM    20 N COTULLA              TX   0.75 INCH HAIL
05/06/01   LASALLE                       REPORTED BY GENERAL PUBLIC
Local storm report, May 6, 11:55 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1155 PM CDT SUN MAY 6 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

1140 PM    FREER                     TX   0.75 INCH HAIL
05/06/01   DUVAL                          REPORTED BY LOCAL SPOTTER

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 7:20 PM CDTTornado WarningCRPWebb40 min
May 6, 8:00 PM CDTSevere Thunderstorm WarningCRPWebb60 min
May 6, 8:10 PM CDTSevere Thunderstorm WarningCRPLa Salle65 min
May 6, 8:50 PM CDTFlash Flood WarningCRPLa Salle3 hr
May 6, 9:15 PM CDTSevere Thunderstorm WarningCRPLa Salle, McMullen60 min
May 6, 10:20 PM CDTSevere Thunderstorm WarningCRPWebb25 min
May 6, 11:42 PM CDTSevere Thunderstorm WarningCRPDuval33 min
May 7, 12:45 AM CDTSevere Thunderstorm WarningCRPKleberg, Nueces60 min
May 7, 1:26 AM CDTSevere Thunderstorm WarningCRPSan Patricio34 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.