Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 22, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 21, 2001, 8:44 PM CDT for Hidalgo County, Texas. It was in force for 61 min. 3 reports 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, 8:44 PM CDT (01:44 UTC)
- Expired
- May 21, 2001, 9:45 PM CDT
- In force
- 61 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 93 km from the middle of the area, began a volume at 01:47 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 9:15 PM CDT | Tornado F1 | Mission, TX | An F1 tornado ripped through a neighborhood. The tornado peeled roofs and blew out a window ofa home. It also ripped up a newly built children play scape. The tornado also took carport panelsand blew them into the center and wrapped a large panel around a t |
| May 21, 9:25 PM CDT | Tornado F1 | Mission, TX | An F1 Tornado touched down briefly at a baseball field. The twister blew aluminum bleachers that surrounded the baseball diamond into the pitcher's mound. It also damaged the roof of a nearby city law enforcement building. |
| May 21, 9:30 PM CDT | Thunderstorm Wind 60 E | Mission, TX | Strong thunderstorm winds removed a roof from a mobile home and knocked down trees. |
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
Brownsville Intl, TX (KBRO), launched 00:00Z, 1.7 hours before the alert went out and 96 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.
- Mixed-layer CAPE
- 2941 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- -47 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KBRO 220145 SVRBRO TXC215-220245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 844 PM CDT MON MAY 21 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HIDALGO COUNTY IN DEEP SOUTH TEXAS * UNTIL 945 PM CDT * AT 842 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTH OF ALTON...MOVING SOUTHEAST AT 10 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE HAIL TO THE SIZE OF QUARTERS... AND WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... EDINBURG BY 915 PM CDT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. $$ LAT...LON 2654 9845 2638 9837 2614 9800 2674 9804 CASTILLO
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, 25 minutes earlier.
Area forecast discussion, May 21, 8:19 PM CDT, 25 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 29 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 21 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, 49 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 RACHALThe 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, 9:06 PM CDT | Severe Thunderstorm Warning | BRO | Kenedy | 54 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, 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.