Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 23, NWS Brownsville, TX

May 21, 2001Kenedy County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at May 21, 2001, 9:06 PM CDT for Kenedy County, Texas. It was in force for 54 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 21, 2001, 9:06 PM CDT (02:06 UTC)
Expired: May 21, 2001, 10:00 PM CDT
In force: 54 min
Issued by: NWS Brownsville, TX
Area: Whole counties

County Kenedy County, TX

What was reported inside it

Time	Report	Where	Remark
May 21, 9:30 PM CDT	Thunderstorm Wind 52 M	Sarita, TX	Thunderstorm wind gust of 60 mph was reported by a NWS cooperative observer east of Sarita.

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 watch it was issued in

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

Issued	Product	Office	Lasted
May 21, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.1 hours before the alert went out and 94 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: 3375 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -43 m²/s²
0-3 km storm-relative helicity: -31 m²/s²
Significant tornado parameter: -0.4
Supercell composite: -2.1

Open this sounding in Storm Lab

The text

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

081 
WUUS54 KBRO 220208
SVRBRO
TXC261-220300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
906 PM CDT MON MAY 21 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN KENEDY COUNTY IN DEEP SOUTH TEXAS

* UNTIL 1000 PM CDT

* AT 905 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES SOUTHEAST OF FALFURRIAS...MOVING
  SOUTHEAST AT 25 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE
  HAIL TO THE SIZE OF QUARTERS... AND WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF     
  KENEDY COUNTY IN ADDITION TO HIGHWAY 77.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND
LIGHTNING...AND VERY HEAVY RAIN ARE ALL POSSIBLE IN SEVERE
THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS
PASSED.

$$

LAT...LON 2727 9792 2701 9800 2676 9756 2708 9741

SPEECE

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 Brownsville, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 21, 8:19 PM CDT, 47 minutes earlier.

Area forecast discussion, May 21, 8:19 PM CDT, 47 minutes before

DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
815 CDT MON MAY 21 2001

WE ARE CURRENTLY IN THE MIDDLE OF A SEVERE WEATHER EVENT.
PRE-FRONTAL WIND SHIFT LINE IS ENTERING THE NORTHWESTERN CWA AT THIS
TIME.  CONVECTION SHOULD BEGIN TO DIMINISH WITHIN THE NEXT COUPLE OF
HOURS.  MUCH COOLER AIR WILL ARRIVE IN THE VALLEY OVERNIGHT.  NO
CHANGES TO ZONES OR CWF AT THIS TIME.

SYNOPTIC...DD (65) / AVIATION-MARINE...60 / MESO...SM

INTERNET ADDRESS...WWW.SRH.NOAA.GOV/BRO

.BRO...SCA FOR GMZ130-150-155-170-175 TODAY.

In the hours before

Special weather statement, May 21, 4:15 PM CDT, 4 hours 51 minutes before

TXZ248>257-220100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
415 PM CDT MON MAY 21 2001

...SEVERE WEATHER REMAINS A POSSIBILITY TONIGHT ACROSS DEEP SOUTH
TEXAS...

A STRONG COLD FRONT MOVING THROUGH SOUTH CENTRAL TEXAS LATE THIS
AFTERNOON WILL MOVE THROUGH DEEP SOUTH TEXAS LATER THIS EVENING.

WARM...MOIST AND UNSTABLE AIR OVER THE REGION AHEAD OF THE FRONT...WILL
PROVIDE THE POTENTIAL FOR SCATTERED SHOWERS AND THUNDERSTORMS THIS
EVENING AND TONIGHT...AS THE FRONT APPROACHES FROM THE NORTHWEST. SOME
OF THESE THUNDERSTORMS WILL BE STRONG WITH SOME POSSIBLY REACHING SEVERE
LEVELS. THE GREATEST THREAT WITH ANY STRONG TO SEVERE STORMS THAT
DEVELOP IS LIKELY TO BE LARGE HAIL AND THE POSSIBILITY OF STRONG
DAMAGING WINDS.

LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM
SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS
SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN
YOUR AREA.

SPEECE

Special weather statement, May 21, 5:23 PM CDT, 3 hours 43 minutes before

TXZ248>257-220300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
523 PM CDT MON MAY 21 2001

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ALL OF DEEP SOUTH
TEXAS...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
VALID UNTIL 10 PM CDT MONDAY EVENING FOR ALL OF DEEP SOUTH TEXAS. THIS
WATCH INCLUDES THE COUNTIES OF BROOKS...CAMERON...HIDALGO...JIM HOGG...
KENEDY...STARR...WILLACY AND ZAPATA COUNTIES.

THIS WATCH INCLUDES THE CITIES AND TOWNS OF...FALFURRIAS...
HEBBRONVILLE...MCALLEN...WESLACO...RIO GRANDE CITY...ZAPATA...
BROWNSVILLE...HARLINGEN...SAN BENITO...RAYMONDVILLE...SARITA...PORT
MANSFIELD...SOUTH PADRE ISLAND...PORT ISABEL...LAGUNA VISTA AND LAGUNA
HEIGHTS.

THIS SEVERE THUNDERSTORM WATCH INCLUDES THE BAYS AND INLAND WATERWAYS...
FROM BAFFIN BAY TO THE RIO GRANDE...AS WELL AS THE NEAR SHORE WATERS
FROM BAFFIN BAY TO THE RIO GRANDE OUT TO 20 NAUTICAL MILES OFFSHORE.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.  SEVERE
THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES.

SPEECE

Local storm report, May 21, 7:55 PM CDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
755 PM CDT MON MAY 21 2001

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

0705 PM      11 W RACHAL                       1.75 INCH HAIL REPORTED BY
05/21/01     BROOKS COUNTY TX                  SKYWARN SPOTTER IN RACHAL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:13 PM CDT	Tornado Warning	BRO	Brooks, Hidalgo, Kenedy	62 min
May 21, 7:19 PM CDT	Severe Thunderstorm Warning	BRO	Brooks	56 min
May 21, 7:50 PM CDT	Flash Flood Warning	BRO	Starr	3 hr
May 21, 8:01 PM CDT	Severe Thunderstorm Warning	BRO	Hidalgo, Starr	59 min
May 21, 8:44 PM CDT	Severe Thunderstorm Warning	BRO	Hidalgo	61 min
May 21, 9:14 PM CDT	Tornado Warning	BRO	Hidalgo	46 min
May 21, 10:40 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg	50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.