Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 5, NWS Corpus Christi, TX

March 26, 2009Kleberg County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 26, 2009, 4:48 PM CDT for Kleberg County, Texas. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 26, 2009, 4:48 PM CDT (21:48 UTC)
Expired: Mar 26, 2009, 5:13 PM CDT
In force: 25 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon

County Kleberg County, TX

The radar

The Corpus Christi radar (KCRP), 43 km from the middle of the area, began a volume at 21:48 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 26, 12:57 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 9.8 hours before the alert went out and 47 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1677 J/kg
Mixed-layer CIN: -236 J/kg
Mixed-layer LCL: 915 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: -4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 26, 4:36 PM CDT, 12 minutes earlier.

Area forecast discussion, Mar 26, 4:36 PM CDT, 12 minutes before

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Hazardous weather outlook, Mar 26, 1:18 PM CDT, 3 hours 30 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
118 PM CDT THU MAR 26 2009

GMZ230-235-250-255-270-275-TXZ229>234-239>247-271830-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT OCONNOR-
COASTAL WATERS BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20 NM-
WATERS BAFFIN BAY TO PORT ARANSAS 20 TO 60 NM-
WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL 20 TO 60 NM-
LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN-
118 PM CDT THU MAR 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE
TEXAS COASTAL WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE LIKELY ACROSS SOUTH TEXAS THIS AFTERNOON. SOME
THUNDERSTORMS MAY BECOME SEVERE DURING THE AFTERNOON HOURS. THE
MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND GUSTY WINDS.
THE BEST CHANCE FOR SEVERE THUNDERSTORMS THIS AFTERNOON WILL OCCUR
BETWEEN HIGHWAY 77 AND HIGHWAY 16.

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR SEAS FROM 20 TO 60
NAUTICAL MILES OFFSHORE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A COLD FRONT WILL LEAD TO STRONG NORTH WINDS LATE FRIDAY INTO
EARLY SATURDAY. GUSTS IN EXCESS OF GALE FORCE POSSIBLE ACROSS THE
GULF WATERS AND SMALL CRAFT ADVISORIES ARE LIKELY DURING THIS TIME
FRAME.

BREEZY TO WINDY CONDITIONS AND VERY DRY AIR BEHIND FRIDAYS COLD
FRONT WILL LEAD TO A HIGH WILD FIRE DANGER FRIDAY AFTERNOON THROUGH
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN HAS BEEN ACTIVATED.

TM

In the hours before

Special weather statement, Mar 26, 3:43 PM CDT, 1 hour 5 minutes before

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Special weather statement, Mar 26, 3:45 PM CDT, 1 hour 3 minutes before

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Local storm report, Mar 26, 4:15 PM CDT, 33 minutes before

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Local storm report, Mar 26, 4:18 PM CDT, 30 minutes before

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Local storm report, Mar 26, 4:22 PM CDT, 26 minutes before

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Local storm report, Mar 26, 4:46 PM CDT, 2 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 4:11 AM CDT	Small Craft Advisory for Hazardous Seas	CRP		32 hr
Mar 26, 6:02 AM CDT	Fire Weather Watch	CRP	Aransas, Bee, Calhoun, Duval, Goliad, Jim Wells and 9 more	33 hr
Mar 26, 12:54 PM CDT	Severe Thunderstorm Warning	CRP	Live Oak, McMullen	66 min
Mar 26, 1:40 PM CDT	Severe Thunderstorm Warning	CRP	Bee, Goliad, Live Oak	50 min
Mar 26, 2:12 PM CDT	Severe Thunderstorm Warning	CRP	Live Oak	48 min
Mar 26, 2:32 PM CDT	Tornado Warning	CRP	Live Oak	28 min
Mar 26, 2:46 PM CDT	Tornado Warning	CRP	Bee, San Patricio	29 min
Mar 26, 3:09 PM CDT	Tornado Warning	CRP	Bee, Refugio, San Patricio	51 min
Mar 26, 3:23 PM CDT	Tornado Warning	CRP	Aransas, Refugio, San Patricio	22 min
Mar 26, 3:29 PM CDT	Special Marine Warning	CRP		2 hr
Mar 26, 3:40 PM CDT	Tornado Warning	CRP	Aransas, Refugio, San Patricio	50 min
Mar 26, 4:01 PM CDT	Severe Thunderstorm Warning	CRP	Nueces	59 min
Mar 26, 5:23 PM CDT	Marine Weather Statement	CRP		97 min
Mar 26, 6:10 PM CDT	Special Marine Warning	CRP		35 min

Nearby

Severe Thunderstorm Warnings in Texas, 2009 Every severe thunderstorm warning in 2009

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.