Alert archive / Texas / Wind Chill Warnings in 2011

Wind Chill Warning 4, NWS Brownsville, TX

February 10, 2011Brooks County, Jim Hogg County, Kenedy County, Texas

NWS Brownsville, TX issued this wind chill warning at Feb 10, 2011, 12:32 PM CST for Brooks County, Jim Hogg County, Kenedy County, Texas. It took effect at Feb 11, 2011, 2:00 AM CST. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 10, 2011, 12:32 PM CST (18:32 UTC)
In effect from
Feb 11, 2011, 2:00 AM CST
Expired
Feb 10, 2011, 5:05 PM CST
In force
Issued by
NWS Brownsville, TX

Counties Brooks County, TX, Jim Hogg County, TX, Kenedy County, TX

The radar

The Corpus Christi radar (KCRP), 110 km from the middle of the area, began a volume at 18:33 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

Corpus Christi, TX (KCRP), launched 12:00Z, 6.5 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2011-02-10Temperature 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 12:00Z on 2011-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
1240 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
227 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.

742 
WWUS44 KBRO 101832
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1232 PM CST THU FEB 10 2011

...COLD WIND CHILL VALUES EXPECTED AGAIN TONIGHT...

.FREEZING TEMPERATURES TONIGHT INTO FRIDAY MORNING COMBINED WITH
NORTH WINDS WILL CAUSE LOW WIND CHILL VALUES AGAIN.

TXZ249>251-110330-
/O.UPG.KBRO.WC.Y.0003.110211T0800Z-110211T1500Z/
/O.NEW.KBRO.WC.W.0004.110211T0800Z-110211T1500Z/
JIM HOGG-BROOKS-KENEDY-
INCLUDING THE CITIES OF...HEBBRONVILLE...FALFURRIAS...SARITA
1232 PM CST THU FEB 10 2011

...WIND CHILL WARNING IN EFFECT FROM 2 AM TO 9 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM CST FRIDAY.
THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. 

TEMPERATURES WILL FALL INTO THE MID TO UPPER 20S LATE TONIGHT
THROUGH FRIDAY MORNING AND WITH LIGHT NORTH WINDS...WIND CHILL
VALUES OF 15 TO 20 DEGREES WILL DEVELOP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WIND CHILL INDEX VALUES ARE
EXPECTED TO FALL TO OR BELOW 20 FOR AT LEAST 3 HOURS.  PERSONS
NOT ACCLIMATED TO THESE EXTREME VALUES MAY EXPERIENCE FROSTBITE
IF NOT PROTECTED...AND COULD DIE. 

&&

$$

TXZ248-252>257-110330-
/O.CON.KBRO.WC.Y.0003.110211T0800Z-110211T1500Z/
ZAPATA-STARR-HIDALGO-INLAND WILLACY-INLAND CAMERON-
COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...ZAPATA...RIO GRANDE CITY...ROMA...
MCALLEN...EDINBURG...PHARR...MISSION...WESLACO...RAYMONDVILLE...
BROWNSVILLE...HARLINGEN...PORT MANSFIELD...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
1232 PM CST THU FEB 10 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM CST
FRIDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM CST
FRIDAY. 

TEMPERATURES WILL FALL INTO THE UPPER 20S TO NEAR 30 DEGREES AGAIN
LATE TONIGHT THROUGH FRIDAY MORNING AND WITH LIGHT NORTH WINDS...
WIND CHILL VALUES OF 20 TO 30 DEGREES WILL DEVELOP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN WIND CHILL INDEX VALUES WILL
DROP TO 30 OR LOWER FOR 3 OR MORE HOURS.

&&

$$
1 follow-up statement
157 
WWUS44 KBRO 102305
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
505 PM CST THU FEB 10 2011

...THE WIND CHILL WARNING AND WIND CHILL ADVISORY HAS BEEN
CANCELLED... 

.THE WINDS WILL BE BELOW WIND CHILL WARNING AND WIND CHILL
ADVISORY CRITERIA OVERNIGHT. LIGHT NORTHERLY WINDS TO CALM
CONDITIONS WILL PREVAIL ACROSS DEEP SOUTH TEXAS OVERNIGHT.



TXZ249>251-110015-
/O.CAN.KBRO.WC.W.0004.110211T0800Z-110211T1500Z/
JIM HOGG-BROOKS-KENEDY-
INCLUDING THE CITIES OF...HEBBRONVILLE...FALFURRIAS...SARITA
505 PM CST THU FEB 10 2011

...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE
WIND CHILL WARNING. 

THE WINDS WILL REMAIN BELOW WIND CHILL WARNING CRITERIA THIS
EVENING AND OVERNIGHT. LIGHT NORTHERLY WINDS TO CALM CONDITIONS WILL
PREVAIL ACROSS DEEP SOUTH TEXAS THIS EVENING AND OVERNIGHT.
THEREFORE THE WIND CHILL WARNING HAS BEEN CANCELLED.


$$

TXZ248-252>257-110015-
/O.CAN.KBRO.WC.Y.0003.110211T0800Z-110211T1500Z/
ZAPATA-STARR-HIDALGO-INLAND WILLACY-INLAND CAMERON-
COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...ZAPATA...RIO GRANDE CITY...ROMA...
MCALLEN...EDINBURG...PHARR...MISSION...WESLACO...RAYMONDVILLE...
BROWNSVILLE...HARLINGEN...PORT MANSFIELD...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
505 PM CST THU FEB 10 2011

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE
WIND CHILL ADVISORY. 

THE WINDS WILL REMAIN BELOW WIND CHILL ADVISORY CRITERIA THIS
EVENING AND OVERNIGHT. LIGHT NORTHERLY WINDS TO CALM CONDITIONS
WILL PREVAIL ACROSS DEEP SOUTH TEXAS THIS EVENING AND OVERNIGHT.
THEREFORE THE WIND CHILL WARNING HAS BEEN CANCELLED.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 3:06 AM CSTGale WarningBRO3 hr
Feb 10, 3:06 AM CSTSmall Craft AdvisoryBRO12 hr
Feb 10, 3:06 AM CSTSmall Craft Advisory for WindsBRO9 hr
Feb 10, 3:35 AM CSTFreeze WarningBROCameron, Hidalgo, Starr, Willacy, Zapata29 hr
Feb 10, 3:35 AM CSTHard Freeze WarningBROBrooks, Jim Hogg, Kenedy, Zapata29 hr
Feb 10, 3:54 AM CSTWind Chill AdvisoryBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more13 hr

Nearby

Wind Chill Warnings in Texas, 2011Every wind chill 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.