Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 19, NWS Corpus Christi, TX

March 6, 2008Aransas County, Calhoun County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 6, 2008, 4:12 PM CST for Aransas County, Calhoun County, Texas. It was in force for 33 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 6, 2008, 4:12 PM CST (22:12 UTC)
Expired: Mar 6, 2008, 4:45 PM CST
In force: 33 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon

Counties Aransas County, TX, Calhoun County, TX

The radar

The Corpus Christi radar (KCRP), 82 km from the middle of the area, began a volume at 22:15 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 6, 12:09 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.2 hours before the alert went out and 74 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: 719 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 623 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.5

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 6, 4:12 PM CST, 0 minutes earlier.

Area forecast discussion, Mar 6, 4:12 PM CST, 0 minutes before

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Hazardous weather outlook, Mar 6, 11:32 AM CST, 4 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1132 AM CST THU MAR 6 2008

GMZ230-235-250-255-270-275-TXZ229>234-239>247-070300-
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-
1132 AM CST THU MAR 6 2008

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

.DAY ONE...TODAY AND TONIGHT

AN APPROACHING SURFACE LOW PRESSURE AREA AND ASSOCIATED COLD FRONT
WILL MOVE EAST ACROSS SOUTH TEXAS TODAY. AS THE LOW AND FRONT
INTERACT WITH INCREASING GULF MOISTURE...THUNDERSTORMS WILL BE THE
RESULT. DUE TO THE TURNING OF THE WINDS IN THE ATMOSPHERE AND THE
DEGREE OF INSTABILITY OF THE AIRMASS...THERE WILL BE A SLIGHT RISK
OF SEVERE THUNDERSTORMS THIS AFTERNOON MAINLY TO THE NORTHEAST OF A
KINGSVILLE TO TILDEN LINE. A FEW STORMS HAVE THE POTENTIAL OF
PRODUCING LARGE HAIL AND STRONG WINDS IN EXCESS OF 60 MPH. AN
ISOLATED TORNADO CANNOT BE RULED OUT EITHER. THE GREATEST THREAT
FOR SEVERE WEATHER WILL BE FROM NOON THROUGH 600 PM CST. AFTER
600 PM CST...THE THREAT FOR SEVERE WEATHER WILL RAPIDLY DIMINISH
AS COOLER AIR BEHIND A COLD FRONT SWEEPS ACROSS THE COASTAL BEND.

SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TONIGHT IN THE WAKE
OF THE STRONG COLD FRONT MOVING THROUGH THE COASTAL WATERS. WIND
GUSTS TO GALE FORCE WILL BE LIKELY OVER THE COASTAL WATERS TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE ON
FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED FOR PORTIONS OF THE COASTAL
BEND THIS AFTERNOON.

TMT/MB/TE

In the hours before

Local storm report, Mar 6, 2:49 PM CST, 1 hour 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
249 PM CST THU MAR 06 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0210 PM     FUNNEL CLOUD     3 E BISHOP              27.58N 97.75W
03/06/2008                   NUECES             TX   EMERGENCY MNGR

            EMC REPORTED FUNNEL CLOUD EAST OF BISHOP BETWEEN COUNTY
            ROAD 6 AND GOLDEN ACRES

&&

KRR

Local storm report, Mar 6, 2:52 PM CST, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
252 PM CST THU MAR 06 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0250 PM     HAIL             2 W CHAPMAN RANCH       27.58N 97.49W
03/06/2008  E1.00 INCH       NUECES             TX   TRAINED SPOTTER

            ALONG COUNTY ROAD 70

&&

JV

Local storm report, Mar 6, 3:21 PM CST, 51 minutes before

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Local storm report, Mar 6, 3:40 PM CST, 32 minutes before

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Local storm report, Mar 6, 3:52 PM CST, 20 minutes before

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Local storm report, Mar 6, 4:12 PM CST, 0 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 6, 6:04 AM CST	Fire Weather Watch	CRP	Aransas, Bee, Calhoun, Goliad, Jim Wells, Kleberg and 5 more	17 hr
Mar 6, 12:01 PM CST	Severe Thunderstorm Warning	CRP	Goliad	29 min
Mar 6, 12:05 PM CST	Tornado Warning	CRP	Goliad	25 min
Mar 6, 12:15 PM CST	Tornado Warning	CRP	Jim Wells, Nueces	45 min
Mar 6, 12:29 PM CST	Severe Thunderstorm Warning	CRP	Goliad	17 min
Mar 6, 12:31 PM CST	Severe Thunderstorm Warning	CRP	Bee	44 min
Mar 6, 12:51 PM CST	Severe Thunderstorm Warning	CRP	Goliad	39 min
Mar 6, 1:08 PM CST	Severe Thunderstorm Warning	CRP	Nueces, San Patricio	52 min
Mar 6, 1:41 PM CST	Special Marine Warning	CRP		94 min
Mar 6, 1:46 PM CST	Severe Thunderstorm Warning	CRP	Nueces	44 min
Mar 6, 2:01 PM CST	Tornado Warning	CRP	Nueces	29 min
Mar 6, 2:09 PM CST	Flash Flood Warning	CRP	Goliad, Victoria	2 hr
Mar 6, 2:19 PM CST	Severe Thunderstorm Warning	CRP	Victoria	41 min
Mar 6, 2:23 PM CST	Severe Thunderstorm Warning	CRP	Kleberg, Nueces	52 min
Mar 6, 2:27 PM CST	Special Marine Warning	CRP		2 hr
Mar 6, 2:38 PM CST	Tornado Warning	CRP	Victoria	37 min
Mar 6, 2:47 PM CST	Severe Thunderstorm Warning	CRP	Calhoun, Goliad, Refugio, Victoria	43 min
Mar 6, 3:19 PM CST	Tornado Warning	CRP	Kleberg	26 min
Mar 6, 3:22 PM CST	River Flood Warning	CRP	Calhoun, Nueces, Victoria, Webb	141 days
Mar 6, 3:28 PM CST	Severe Thunderstorm Warning	CRP	Aransas, Refugio	47 min
Mar 6, 3:38 PM CST	Special Marine Warning	CRP		2 hr
Mar 6, 4:15 PM CST	Special Marine Warning	CRP		2 hr
Mar 6, 5:48 PM CST	Special Marine Warning	CRP		117 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm 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.