Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 50, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Jun 17, 2001, 4:38 PM CDT for Brooks County, Texas. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 17, 2001, 4:38 PM CDT (21:38 UTC)
- Expired
- Jun 17, 2001, 5:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Brooks County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 9.6 hours before the alert went out and 116 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
- 1859 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KBRO 172139 SVRBRO TXC047-172230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 438 PM CDT SUN JUN 17 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL BROOKS COUNTY IN DEEP SOUTH TEXAS * UNTIL 530 PM CDT * AT 433 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 13 MILES SOUTH OF FALFURRIAS...MOVING WEST AT 5i MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF... CENTRAL BROOKS COUNTY. $$ LAT...LON 2696 9807 2713 9810 2714 9832 2692 9832 JP
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 Jun 17, 3:00 PM CDT, 1 hour 38 minutes earlier.
Area forecast discussion, Jun 17, 3:00 PM CDT, 1 hour 38 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 300 PM CDT SUN JUN 17 2001 SHORT TERM...WATER VAPOR LOOP SHOWING DISTURBANCE OVER NORTHERN NUEVO LEON MOVING EASTWARD AT MIDDAY. EARLY MORNING MODEL RUNS DID NOT PICK UP ON THIS FEATURE...HOWEVER ISOLATED SHRA/TSRA ACTIVITY DEVELOPING WELL WEST OF SEA BREEZE EARLY THIS AFTERNOON IN LOWER VALLEY. GIVEN THE AMOUNT OF INSTABILITY ON 12Z SOUNDING AND LIFT ASSOCIATED WITH THIS MID/UPPER LEVEL FEATURE...ISOLATED SHRA/TSRA MAY BE POSSIBLE IN THE MID AND UPPER VALLEY INTO THE EVENING AND POSSIBLY THE OVERNIGHT HOURS. WILL CONTINUE TO MONITOR AND ADD POPS IF NECESSARY AT ISSUANCE TIME. WITH THE LOSS OF INSOLATION...ACTIVITY MAY QUICKLY DISSIPATE. SCATTERED AREAS OF SHRA/TSRA OVER THE OFFSHORE WATERS THIS AFTERNOON. AVN MODEL DEPICTS AN AREA OF WEAK PVA ACROSS THE WESTERN GULF AND SHIFTS THIS FEATURE WESTWARD BY 6Z TONIGHT. MODELS CONSISTENT IN SHOWING A WEAKNESS IN THE UPPER RIDGE ACROSS THE WESTERN GULF. BY MONDAY MORNING...MESOETA DEVELOPS A WEAK LOW LEVEL CIRCULATION OVER THE CENTRAL GULF WITH DEEP EASTERLY FLOW IN PLACE ACROSS DEEP SOUTH TEXAS...EXPECT MOIST ONSHORE FLOW TO CONTINUE...WITH MAINLY ISOLATED PM SHRA/TSRA INLAND ALONG THE SEABREEZE AND THE POSSIBILITY OF EARLY MORNING CONVECTION ALONG THE COAST. EXTENDED...AVN/MRF CONTINUE TO SHOW ZONAL FLOW THROUGH THURSDAY BEFORE SYSTEM OVER THE NORTHEAST LAKES REGION BREAKS THE RIDGE AXIS DOWN AND SHIFTS IT WESTWARD. FURTHER SOUTH...MODELS SHOWING LOW LEVEL TROUGH SLIDING WESTWARD ALONG THE SOUTHERN PERIPHERY OF THE CENTRAL PLAINS RIDGE. INCREASING MOISTURE MAY LEAD TO INCREASED SHRA/TSRA ACTIVITY TOWARD THE END OF THE WEEK. CYCLONIC SPIN ALSO NOTED OVER THE BAY OF CAMPECHE EAST OF VERACRUZ...THIS FEATURE WAS MOVING TOWARD THE WEST AT THIS TIME. MARINE...CURRENTLY 3 FEET SEAS OFFSHORE WITH NORTHEAST WIND NEAR 8 KNOTS. WINDS AND SEAS TO REMAIN RELATIVELY LIGHT THROUGH THE PERIOD WITH A LIGHT TO MODERATE EASTERLY FLOW PREVAILING. PRELIMINARY NUMBERS... BRO BB 074/092 074/092 074 02020 HRL BB 072/093 072/093 073 02020 MFE BB 073/095 073/094 073 210105 RGC BB 071/098 071/099 072 21010 SPI BB 076/086 076/086 086 22111 PUBLIC-SYNOPTIC MWM (55)/AVIATION-MARINE...CORDERO (64) MESO...DAPM INTERNET ADDRESS...WWW.SRH.NOAA.GOV/BRO .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.