Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 68, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Sep 2, 2001, 6:30 PM CDT for Kenedy County, Texas. It was in force for 60 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 2, 2001, 6:30 PM CDT (23:30 UTC)
- Expired
- Sep 2, 2001, 7:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Kenedy County, TX
The radar
The Corpus Christi radar (KCRP), 81 km from the middle of the area, began a volume at 23:30 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.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 11.5 hours before the alert went out and 84 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
- 2743 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
628 WUUS54 KBRO 022331 SVRBRO TXC261-030030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 630 PM CDT SUN SEP 2 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN KENEDY COUNTY IN DEEP SOUTH TEXAS * UNTIL 730 PM CDT * AT 628 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 18 MILES SOUTHEAST OF FALFURRIAS...MOVING SOUTHWEST AT 5 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE HAIL... AND WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF... WESTERN KENEDY COUNTY. 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 2712 9770 2724 9785 2720 9797 2689 9797 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 Sep 2, 3:00 PM CDT, 3 hours 30 minutes earlier.
Area forecast discussion, Sep 2, 3:00 PM CDT, 3 hours 30 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 300 PM CDT SUN SEP 2 2001 WATER VAPOR IMAGERY IS CURRENTLY DEPICTING A GENERALLY DRIER ATMOSPHERE OVER SOUTHERN AND EASTERN TEXAS...AS MID-LEVEL SUBSIDENCE HAS SPREAD OVER THE AREA BEHIND A DEPARTING SHORTWAVE TROUGH. WITH THE DEEPER MOISTURE CONFINED TO ADJACENT AREAS OF NORTHERN MEXICO AND NO SIGNIFICANT SHORTWAVE TROUGHS AT 500 MB FORECASTED TO MOVE OVER THE AREA THROUGH MONDAY EVENING...FEEL THAT 20 POPS WILL BE ADEQUATE ACROSS THE ENTIRE AREA. MAIN REASON FOR LEAVING ISOLATED POPS IN THE FORECAST FOR TONIGHT AND LABOR DAY IS THAT ANY MINOR SOURCE OF LIFT IN THE MOIST BOUNDARY LAYER COULD BE SUFFICIENT TO CREATE A SHOWER OR THUNDERSTORM. 02/12Z ETA ALSO INDICATES A VERY WEAK 500 MB WAVE APPROACHING THE AREA ON MONDAY MORNING...WHICH MAY HELP TO DEVELOP A FEW SHOWERS AND THUNDERSTORMS. HOWEVER...BY LATE MONDAY NIGHT BOTH 02/12Z AVN AND 02/12Z ETA ARE INDICATING A TRANSITION TO ANOTHER RAIN/THUNDERSTORM EVENT BEGINNING OVER THE AREA MONDAY NIGHT AND LASTING INTO TUESDAY. BOTH MODELS DIG THE 500 MB LONGWAVE TROUGH DIRECTLY TOWARD THE VALLEY BEGINNING LATE MONDAY NIGHT AND CLOSE-OFF A MID-LEVEL LOW OVER THE EASTERN HALF OF TEXAS DURING THE DAY ON TUESDAY. IN ADDITION TO THIS...IT LOOKS AS IF A STRONG 500 MB SHORTWAVE TROUGH WILL BE MOVING SOUTHEAST TOWARD THE AREA ON TUESDAY MORNING...HELPING TO ENHANCE PRECIPITATION ACROSS THE ENTIRE VALLEY. WILL ONLY INCREASE POPS TO LOW-END SCATTERED FOR TUESDAY AND TUESDAY NIGHT...BASED ON LOWER NUMERICAL GUIDANCE...BUT LATER SHIFTS MAY CONSIDER INCREASING POPS DURING THIS TIME. IN THE EXTENDED PERIODS...AVN GUIDANCE SHOWS THE 500 MB LOW DRIFTING NORTH ON WEDNESDAY AND THURSDAY...BEFORE THE OVERALL POSITION OF THE TROUGH DIGS BACK TO THE SOUTH ON FRIDAY. HOWEVER...WITH OVERALL PATTERN NOT FORECASTED TO CHANGE MUCH THROUGH NEXT WEEKEND...WILL LEAVE IN CHANCE POPS EACH DAY. MARINE...BUOY 020 CURRENTLY REPORTING A SOUTH WIND AT 10-15 KNOTS PRODUCING 4-5 FOOT SEAS. SHOWERS AND THUNDERSTORMS WILL REMAIN IN THE FORECAST THROUGH THURSDAY...AS A MID-LEVEL TROUGH WILL BE LOCATED OVER THE AREA. MO MAJOR CHANGES TO THE CWF AT THIS TIME. PRELIMINARY NUMBERS: BRO BB 079/095 079/094 078 20/20/20/30/30 HRL BB 077/096 077/095 076 20/20/20/30/30 MFE BB 078/097 078/096 077 20/20/20/30/30 RGC BB 076/098 076/097 075 20/20/20/30/30 SPI BB 079/088 079/087 078 20/20/20/30/30 SYNOPTIC...DD (65) / AVIATION-MARINE-MESO...PY (69) .BRO...NONE.
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; radar from the NEXRAD Level II archive.