Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 4, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Mar 5, 2011, 10:33 AM CST for Starr County, Texas. It was in force for 57 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
- Mar 5, 2011, 10:33 AM CST (16:33 UTC)
- Expired
- Mar 5, 2011, 11:30 AM CST
- In force
- 57 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
County Starr County, TX
The radar
The Brownsville radar (KBRO), 151 km from the middle of the area, began a volume at 16:33 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 12:00Z, 4.6 hours before the alert went out and 153 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
- 1555 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
759 WUUS54 KBRO 051633 SVRBRO TXC427-051730- /O.NEW.KBRO.SV.W.0004.110305T1633Z-110305T1730Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1033 AM CST SAT MAR 5 2011 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... STARR COUNTY IN DEEP SOUTH TEXAS. * UNTIL 1130 AM CST * AT 1033 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING 60 MPH WINDS...FROM 11 MILES NORTHEAST OF VIBORAS TO NEAR EL SAUZ...MOVING SOUTHEAST AT 20 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... LA GLORIA BY 1055 AM CST. PRECAUTIONARY/PREPAREDNESS ACTIONS... WIND GUSTS TO 60 MPH OR MORE WILL CAUSE SOME STRUCTURAL DAMAGE... MAINLY TO TREES AND POWER LINES. POORLY ANCHORED ROOFS...MOBILE HOMES...AND SHEDS ARE ALSO AT RISK. QUARTER SIZE HAIL IS LIKELY. MOVE INDOORS IMMEDIATELY. PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432. && LAT...LON 2679 9878 2679 9835 2635 9856 2650 9901 TIME...MOT...LOC 1633Z 295DEG 17KT 2677 9865 2653 9885 $$ SPEECE
2 follow-up statements
893 WWUS54 KBRO 051701 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1101 AM CST SAT MAR 5 2011 TXC427-051730- /O.CON.KBRO.SV.W.0004.000000T0000Z-110305T1730Z/ STARR- 1101 AM CST SAT MAR 5 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM CST FOR STARR COUNTY... AT 1100 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 15 MILES SOUTHEAST OF VIBORAS TO 9 MILES NORTHEAST OF RIO GRANDE CITY...MOVING SOUTHEAST AT 20 MPH. SEVERE THUNDERSTORMS WILL BE NEAR... LA GLORIA BY 1100 AM CST. THE SEVERE THUNDERSTORMS ARE ALSO CAPABLE OF PRODUCING... QUARTER SIZE HAIL. 60 MPH WIND GUSTS. EXCESSIVE AND DEADLY CLOUD-TO-GROUND LIGHTNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE HAIL... TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED WITH THE PASSAGE OF THESE STORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORMS HAVE PASSED. PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432. && LAT...LON 2679 9878 2679 9835 2635 9856 2650 9901 TIME...MOT...LOC 1700Z 309DEG 18KT 2660 9860 2646 9871 $$ SPEECE
991 WWUS54 KBRO 051734 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1134 AM CST SAT MAR 5 2011 TXC427-051743- /O.EXP.KBRO.SV.W.0004.000000T0000Z-110305T1730Z/ STARR- 1134 AM CST SAT MAR 5 2011 ...THE SEVERE THUNDERSTORM WARNING FOR STARR COUNTY HAS EXPIRED... AT 1133 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED THE THUNDERSTORMS THAT PROMPTED THE WARNING FOR STARR COUNTY...HAVE EXITED THE AREA. ACCORDINGLY...THE SEVERE THUNDERSTORM WARNING FOR STARR COUNTY HAS BEEN ALLOWED TO EXPIRE. LAT...LON 2679 9878 2679 9835 2635 9856 2650 9901 TIME...MOT...LOC 1701Z 309DEG 18KT 2660 9860 2646 9871 $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 3:42 AM CST | Small Craft Advisory | BRO | 30 hr | |
| Mar 5, 3:42 AM CST | Small Craft Advisory for Winds | BRO | 16 hr | |
| Mar 5, 10:06 AM CST | Special Marine Warning | BRO | 2 hr | |
| Mar 5, 11:48 AM CST | Special Marine Warning | BRO | 117 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2011Every severe thunderstorm warning in 2011
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.