Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 72, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Sep 22, 2001, 3:14 PM CDT for Cameron County, Hidalgo County, Texas. It was in force for 61 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
- Sep 22, 2001, 3:14 PM CDT (20:14 UTC)
- Expired
- Sep 22, 2001, 4:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Cameron County, TX, Hidalgo County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 8.2 hours before the alert went out and 97 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
- 2236 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 831 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
767 WUUS54 KBRO 222016 SVRBRO TXC061-215-222115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 314 PM CDT SAT SEP 22 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS HIDALGO COUNTY IN DEEP SOUTH TEXAS * UNTIL 415 PM CDT * AT 311 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM SEBASTIAN TO HIDALGO...MOVING NORTHWEST AT 10 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE HAIL... AND WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... MILA DOCE BY 320 PM CDT. ALAMO BY 335 PM CDT. SAN JUAN...LA VILLA BY 340 PM CDT. EDCOUCH...PHARR BY 345 PM CDT. ELSA BY 350 PM CDT. LOPEZVILLE BY 400 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. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE. LAT...LON 2677 9834 2632 9855 2606 9789 2623 9773 YURA
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 Sep 22, 3:00 PM CDT, 14 minutes earlier.
Area forecast discussion, Sep 22, 3:00 PM CDT, 14 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 300 PM CDT SAT SEP 22 2001 AN IMPRESSIVE SHORT WAVE CURRENTLY DIGGING SOUTHEAST ACROSS THE BIG BEND AREA HAS HELPED TO SUSTAIN SCATTERED CONVECTION ACROSS THE RIO GRANDE VALLEY THIS MORNING AND INTO THE AFTERNOON HOURS. THIS FEATURE CONTINUES TO DRIFT SOUTHEAST TOWARD THE RIO GRANDE VALLEY. ANOTHER SHORT WAVE DISTURBANCE LOCATED OVER NORTH CENTRAL NEW MEXICO WILL FOLLOW PROVIDING ADDITIONAL SHOWER AND THUNDERSTORM ACTIVITY OVERNIGHT AND INTO SUNDAY. AVN APPEARS TO HAVE THE BEST HANDLE ON THE CURRENT SYNOPTIC PICTURE AND ALSO WITH THE COLD FRONT BEGINNING TO SLIDE SOUTH OVER THE NORTHERN PLAINS. LIGHT EASTERLY FLOW IN THE MID LEVELS OF THE ATMOSPHERE WILL ALLOW SLOW MOVEMENT OF CONVECTION WITH SOME LOCALLY HEAVY RAIN POSSIBLE GIVEN THE MOIST PROFILE WITH PRECIPITABLE WATER VALUES ABOVE TWO INCHES. THIS DEEP MOISTURE WILL REMAIN OVER DEEP SOUTH TEXAS THROUGH THE REMAINDER OF THE WEEKEND...BEFORE A STRONG EARLY SEASON COLD FRONT PLOWS THROUGH THE RIO GRANDE VALLEY BETWEEN 6Z AND 9Z(MIDNIGHT AND 3:00 AM) MONDAY MORNING...THIS WILL BRING COOLER AND DRIER AIR INTO THE REGION BY MONDAY AFTERNOON AND EVENING. TEMP FORECAST WILL BE DIFFICULT WITH FIRST SIGNIFICANT COLD AIR ADVECTION INTO THE RIO GRANDE VALLEY THIS SEASON...WILL STICK CLOSE TO GUIDANCE...OR SLIGHTLY WARMER. THERE IS SOME UNCERTAINTY AS TO HOW FAR THIS DRY AIR WILL ADVECT SOUTH BEFORE ADDITIONAL TROPICAL MOISTURE SURGES NORTHWARD IN RESPONSE TO TROPICAL WEATHER OVER THE WESTERN PACIFIC. IF ANY OF THIS MOISTURE IS ABLE TO ADVECT INTO THE RIO GRANDE VALLEY...IT WILL LIKELY BE LATE IN THE WEEK OR EARLY INTO NEXT WEEKEND. CONFIDENCE IS VERY LOW AT THIS TIME...SO WILL ADJUST THE CURRENT FORECAST AND REMOVE MENTION OF PRECIPITATION AFTER MONDAY AND INTRODUCE SLIGHT CHANCE POPS FRIDAY AND SATURDAY. MARINE...LIGHT AND VARIABLE WINDS UNDER 5 KNOTS PRODUCING 2 FOOT SEAS OFFSHORE THIS AFTERNOON. ISOLATED TO SCATTERED DEEP MOIST CONVECTION SHOULD CONTINUE MOVING OVER THE LOWER TEXAS WATERS AS AN UPPER LEVEL DISTURBANCE APPROACHES FROM THE NORTHWEST. A STRONG COLD FRONT WILL ARRIVE EARLY MONDAY MORNING WITH SCA LIKELY INTO TUESDAY MORNING. BRO EE 074/089 071/082 064 30/40/50/40/05 HRL EE 074/090 070/082 063 30/40/50/40/05 MFE EE 073/090 070/082 062 30/40/50/40/05 RGC EE 073/094 069/081 061 30/40/50/40/05 SPI EE 077/088 074/082 067 30/40/50/40/10 SYNOPTIC...MCGUIRE/DIXON (55) AVIATION-MARINE...YURA (69) MESO...VEGA .BRO...NONE.
In the hours before
Special weather statement, Sep 22, 12:07 PM CDT, 3 hours 7 minutes before
TXZ248>257-230200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 1205 PM CDT FRI SEP 21 2001 HAZARDOUS WEATHER OUTLOOK FOR DEEP SOUTH TEXAS. SCATTERED SHOWERS AND SOME STRONG THUNDERSTORMS WILL CONTINUE TO FORM OVER SECTIONS OF DEEP SOUTH TEXAS THROUGH THE AFTERNOON HOURS. HEAVY DOWNPOURS...GUSTY WINDS...AND SOME PEA SIZE HAIL ARE POSSIBLE. RAIN TOTALS OF ONE TO TWO INCHES ARE POSSIBLE OVER SOME ISOLATED SPOTS. THIS SHOWER AND THUNDERSTORM ACTIVITY WILL CONTINUE INTO THE EARLY EVENING HOURS BEFORE STORMS WEAKEN SHORTLY AFTER SUNSET. YURA
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.