Alert archive / Texas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 2, NWS Brownsville, TX

January 9, 2011Brooks County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Jan 9, 2011, 3:48 AM CST for Brooks County, Texas. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jan 9, 2011, 3:48 AM CST (09:48 UTC)
Expired
Jan 9, 2011, 4:30 AM CST
In force
42 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon

County Brooks County, TX

The radar

The Corpus Christi radar (KCRP), 106 km from the middle of the area, began a volume at 09:49 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.

What was reported inside it

TimeReportWhereRemark
Jan 9, 4:00 AM CSTTSTM WND DMGFalfurrias, TXPUBLIC REPORTED SHEET METAL DAMAGE TO CARPORT AND ALUMINUM SIDING BLOWN OFF OF HOUSE NEAR THE FALFURRIAS AIRPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 9.8 hours before the alert went out and 114 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 00:00Z on 2011-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2011-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
475 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

232 
WUUS54 KBRO 090948
SVRBRO
TXC047-091030-
/O.NEW.KBRO.SV.W.0002.110109T0948Z-110109T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
348 AM CST SUN JAN 9 2011

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROOKS COUNTY IN DEEP SOUTH TEXAS.

* UNTIL 430 AM CST

* AT 347 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM...CAPABLE OF PRODUCING DAMAGING 60 MPH WINDS...
  18 MILES SOUTHWEST OF FALFURRIAS...MOVING EAST AT 65 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FALFURRIAS BY 400 AM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE HAIL...
TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE
INDOORS IMMEDIATELY. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES.

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.

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 2726 9799 2686 9799 2688 9843 2706 9843
      2715 9849 2727 9851
TIME...MOT...LOC 0947Z 264DEG 56KT 2711 9836

$$

57
2 follow-up statements
789 
WWUS54 KBRO 091004
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
404 AM CST SUN JAN 9 2011

TXC047-091030-
/O.CON.KBRO.SV.W.0002.000000T0000Z-110109T1030Z/
BROOKS-
404 AM CST SUN JAN 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CST
FOR BROOKS COUNTY...

AT 403 AM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 7 MILES SOUTH OF FALFURRIAS...MOVING EAST AT 65
MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  FALFURRIAS BY 405 AM CST.

THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING...
  60 MPH WIND GUSTS.
  EXCESSIVE AND DEADLY CLOUD-TO-GROUND LIGHTNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE INTO A STURDY BUILDING 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 2726 9799 2686 9799 2688 9843 2706 9843
      2715 9849 2727 9851
TIME...MOT...LOC 1003Z 264DEG 56KT 2713 9808

$$

57
573 
WWUS54 KBRO 091038
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
438 AM CST SUN JAN 9 2011

TXC047-091039-
/O.EXP.KBRO.SV.W.0002.000000T0000Z-110109T1030Z/
BROOKS-
438 AM CST SUN JAN 9 2011

...THE SEVERE THUNDERSTORM WARNING FOR BROOKS COUNTY WILL EXPIRE AT
430 AM CST...

AT 435 AM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
THE SEVERE THUNDERSTORM THAT AFFECTED BROOKS COUNTY EARLIER HAS 
MOVED EAST INTO NORTHERN KENEDY COUNTY. ACCORDINGLY...THE SEVERE 
THUNDERSTORM WARNING FOR BROOKS COUNTY WILL BE ALLOWED TO EXPIRE AT 
430 AM. 

ALTHOUGH THE WARNING HAS EXPIRED...STRONG THUNDERSTORMS ARE 
AFFECTING SOUTHERN BROOKS COUNTY PRODUCING TORRENTIAL RAINS...AND 
POSSIBLE WIND GUSTS FROM 35 TO 45 MPH.

LAT...LON 2726 9799 2686 9799 2688 9843 2706 9843
      2715 9849 2727 9851
TIME...MOT...LOC 1029Z 266DEG 40KT 2715 9775

$$

SPEECE

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 9, 2:49 AM CSTSevere Thunderstorm WarningBROZapata26 min
Jan 9, 4:10 AM CSTSpecial Marine WarningBRO3 hr
Jan 9, 4:24 AM CSTSevere Thunderstorm WarningBROKenedy51 min
Jan 9, 5:30 AM CSTAreal Flood AdvisoryBROBrooks, Hidalgo, Kenedy, Willacy2 hr
Jan 9, 6:38 AM CSTSpecial Marine WarningBRO2 hr
Jan 9, 3:56 PM CSTRed Flag WarningBROHidalgo, Starr, Zapata3 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.