Alert archive / Texas / Freeze Warnings in 2008

Freeze Warning 4, NWS Brownsville, TX

January 31, 20084 counties in Texas

NWS Brownsville, TX issued this freeze warning at Jan 31, 2008, 1:57 PM CST for 4 counties in Texas. It took effect at Feb 1, 2008, 3:00 AM CST. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 31, 2008, 1:57 PM CST (19:57 UTC)
In effect from
Feb 1, 2008, 3:00 AM CST
Expired
Feb 1, 2008, 8:00 AM CST
In force
5 hr
Issued by
NWS Brownsville, TX

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

The radar

The Corpus Christi radar (KCRP), 126 km from the middle of the area, began a volume at 19:58 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

Del Rio, TX (KDRT), launched 12:00Z, 8.0 hours before the alert went out and 354 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, Del Rio, TX at 12:00Z on 2008-01-31Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2008-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -325 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
1477 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-325 m²/s²
0-3 km storm-relative helicity
-40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze 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 freeze warning went out at Jan 31, 1:47 PM CST, 10 minutes earlier.

Area forecast discussion, Jan 31, 1:47 PM CST, 10 minutes before
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Hazardous weather outlook, Jan 31, 5:30 AM CST, 8 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
530 AM CST THU JAN 31 2008

TXZ248>257-011200-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
530 AM CST THU JAN 31 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.

AREAS OF FOG WILL PERSIST AROUND DEEP SOUTH TEXAS EARLY THIS
MORNING. A COLD FRONT WILL MOVE THROUGH THE REGION AROUND MIDMORNING
TODAY WHICH WILL USHER IN COOLER AND MUCH DRIER AIR TO THE AREA
DISSIPATING THE MORNING FOG. THERE IS A MODERATE TO STRONG RISK OF
RIP CURRENTS FOR THE BEACHES OF SOUTH PADRE ISLAND AND BOCA CHICA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE COMBINATION OF CLEAR SKIES...LOW HUMIDITIES AND LIGHT SURFACE
WINDS WILL INCREASE THE POTENTIAL FOR SOME NEAR FREEZING
TEMPERATURES FOR PORTIONS OF ZAPATA...BROOKS...JIM HOGG AND KENEDY
COUNTIES EARLY FRIDAY MORNING. A SMALL CRAFT ADVISORY WILL BE NEEDED
ALONG THE LOWER TEXAS COAST THROUGH EARLY FRIDAY MORNING AS STRONG
WINDS AND HIGH SEAS WILL PERSIST IN THE WAKE OF THE COLD FRONTAL
PASSAGE. ANOTHER COLD FRONT WILL THEN APPROACH THE SOUTH CENTRAL
PLAINS STATES OVER THE NEXT SEVERAL DAYS. THIS WILL RESULT IN
MODERATE TO STRONG SOUTHERLY WINDS AND ELEVATED SEAS. THE COLD FRONT
WILL THEN CLEAR THROUGH DEEP SOUTH TEXAS ON TUESDAY WITH MODERATE TO
STRONG NORTHERLY SURFACE WINDS EXPECTED FROM LATE TUESDAY INTO
WEDNESDAY. SMALL CRAFT ADVISORIES MAY BE NEEDED FROM SATURDAY
THROUGH WEDNESDAY. A MODERATE TO HIGH RISK OF RIP CURRENTS IS
EXPECTED THROUGH MUCH OF THIS PERIOD.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION IS NOT EXPECTED.

SPEECE

In the hours before

Local storm report, Jan 31, 12:16 PM CST, 1 hour 41 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 3:58 AM CSTRed Flag WarningBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more15 hr

Nearby

Freeze Warnings in Texas, 2008Every freeze warning in 2008

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.