Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 37, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Sep 7, 2021, 7:05 PM CDT for Jim Hogg County, Starr County, Texas. It was in force for 11 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2021, 7:05 PM CDT (00:05 UTC)
- Expired
- Sep 7, 2021, 7:16 PM CDT
- In force
- 11 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Jim Hogg County, TX, Starr County, TX
The radar
The Brownsville radar (KBRO), 161 km from the middle of the area, began a volume at 00:07 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 0.1 hours before the alert went out and 164 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
- 2543 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
421 WUUS54 KBRO 080005 SVRBRO TXC247-427-080030- /O.NEW.KBRO.SV.W.0037.210908T0005Z-210908T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Brownsville TX 705 PM CDT Tue Sep 7 2021 The National Weather Service in Brownsville has issued a * Severe Thunderstorm Warning for... South central Jim Hogg County in Deep South Texas... North central Starr County in Deep South Texas... * Until 730 PM CDT. * At 703 PM CDT, a severe thunderstorm was located 9 miles northeast of Viboras, and is nearly stationary. HAZARD...Quarter size hail and winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of south central Jim Hogg and north central Starr Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 2688 9868 2674 9857 2661 9874 2685 9888 TIME...MOT...LOC 0003Z 062DEG 3KT 2679 9870 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Farris
1 follow-up statement
221
WWUS54 KBRO 080016
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
716 PM CDT Tue Sep 7 2021
TXC247-427-080025-
/O.CAN.KBRO.SV.W.0037.000000T0000Z-210908T0030Z/
Jim Hogg TX-Starr TX-
716 PM CDT Tue Sep 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL JIM HOGG AND
NORTH CENTRAL STARR COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds and
heavy rain are still possible with this thunderstorm.
LAT...LON 2688 9868 2674 9857 2661 9874 2685 9888
TIME...MOT...LOC 0012Z 062DEG 3KT 2679 9871
$$
FarrisNearby
Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning in 2021
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.