Alert archive / Texas / Flash Flood Warnings in 2006

Flash Flood Warning 50, NWS Corpus Christi, TX

July 4, 2006La Salle County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 4, 2006, 8:22 PM CDT for La Salle County, Texas. It was in force for 3 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: Jul 4, 2006, 8:22 PM CDT (01:22 UTC)
Expired: Jul 4, 2006, 11:15 PM CDT
In force: 3 hr
Issued by: NWS Corpus Christi, TX
Area: Counties, with a storm outline in the text

County La Salle County, TX

The radar

The Laughlin AFB radar (KDFX), 154 km from the middle of the area, began a volume at 01:23 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 00:00Z, 1.4 hours before the alert went out and 186 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: 1772 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1014 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 90 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jul 4, 6:49 PM CDT, 1 hour 33 minutes earlier.

Area forecast discussion, Jul 4, 6:49 PM CDT, 1 hour 33 minutes before

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Hazardous weather outlook, Jul 4, 5:48 AM CDT, 14 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
548 AM CDT TUE JUL 4 2006

GMZ230-235-250-255-270-275-TXZ229>234-239>247-051100-
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-
548 AM CDT TUE JUL 4 2006

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

.DAY ONE...TODAY AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT TODAY UNTIL 700 PM CDT FOR THE
COUNTIES OF CALHOUN...KLEBERG...NUECES...SAN PATRICIO...BEE...
GOLIAD...VICTORIA...ARANSAS AND REFUGIO.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED
THROUGH THIS EVENING...FOLLOWED BY ISOLATED TO SCATTERED SHOWERS
AND THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS SOUTH TEXAS WEDNESDAY
THROUGH SATURDAY AS MOIST GULF OF MEXICO AIR CONTINUES TO RESIDE OVER
SOUTH TEXAS AND COMBINE WITH A WEAKENING UPPER LEVEL LOW AND THE
SEABREEZE TO PRODUCE LOCALLY HEAVY RAINFALL. RAINFALL AMOUNTS WILL
GENERALLY BE IN THE 1 TO 2 INCH RANGE WEDNESDAY THROUGH SATURDAY WITH
LOCALLY HIGHER AMOUNTS POSSIBLE DUE TO THE SLOW MOVEMENT OF THE
STORMS. THUNDERSTORM CHANCES WILL DECREASE SUNDAY AND MONDAY AS AN UPPER
LEVEL RIDGE STARTS TO BUILD INTO THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY.

87/98

In the hours before

Special weather statement, Jul 4, 3:37 PM CDT, 4 hours 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
337 PM CDT TUE JUL 4 2006

TXZ234-042130-
VICTORIA-
337 PM CDT TUE JUL 4 2006

...A FUNNEL CLOUD WAS SPOTTED OVER VICTORIA COUNTY...

AT 337 PM CDT...A TRAINED WEATHER SPOTTER REPORTED A FUNNEL CLOUD
OVER VICTORIA COUNTY AROUND THE CITY OF VICTORIA.

AT 337 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS OVER MISSION VALLEY...OR 10 MILES SOUTHWEST OF VICTORIA...
MOVING NORTHEAST AT 15 MPH.

THE ATMOSPHERE WILL BE FAVORABLE FOR THE DEVELOPMENT OF ADDITIONAL
FUNNEL CLOUDS TODAY. MOST OF THESE FUNNEL CLOUDS WILL BE SHORT LIVED
AND SHOULD NOT REACH THE GROUND. HOWEVER...YOU SHOULD BE PREPARED TO
SEEK SHELTER IN THE UNLIKELY EVENT A FUNNEL DOES REACH THE GROUND.

GW

Local storm report, Jul 4, 4:06 PM CDT, 4 hours 16 minutes before

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Special weather statement, Jul 4, 4:09 PM CDT, 4 hours 13 minutes before

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Special weather statement, Jul 4, 4:55 PM CDT, 3 hours 27 minutes before

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Special weather statement, Jul 4, 6:05 PM CDT, 2 hours 17 minutes before

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Special weather statement, Jul 4, 7:13 PM CDT, 1 hour 9 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
Jul 4, 7:53 PM CDT	Severe Thunderstorm Warning	CRP	La Salle	37 min
Jul 5, 2:30 AM CDT	Flash Flood Warning	CRP	La Salle, McMullen	2 hr
Jul 5, 11:01 AM CDT	Special Marine Warning	CRP		29 min
Jul 5, 11:09 AM CDT	Flash Flood Watch	CRP	Aransas, Bee, Calhoun, Goliad, Kleberg, Nueces and 3 more	9 hr
Jul 5, 12:12 PM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Refugio	3 hr
Jul 5, 12:59 PM CDT	Special Marine Warning	CRP		3 hr
Jul 5, 2:20 PM CDT	Flash Flood Warning	CRP	San Patricio	115 min
Jul 5, 2:38 PM CDT	Special Marine Warning	CRP		2 hr
Jul 5, 2:58 PM CDT	Special Marine Warning	CRP		62 min
Jul 5, 3:12 PM CDT	Flash Flood Warning	CRP	Nueces	2 hr
Jul 5, 3:16 PM CDT	Flash Flood Warning	CRP	Aransas	119 min
Jul 5, 3:32 PM CDT	Special Marine Warning	CRP		101 min
Jul 5, 3:41 PM CDT	Tornado Warning	CRP	Kleberg, Nueces	49 min
Jul 5, 3:51 PM CDT	Special Marine Warning	CRP		114 min
Jul 5, 4:41 PM CDT	Special Marine Warning	CRP		64 min
Jul 5, 5:02 PM CDT	Tornado Warning	CRP	Kleberg	20 min
Jul 5, 5:04 PM CDT	Flash Flood Warning	CRP	Kleberg	116 min

Nearby

Flash Flood Warnings in Texas, 2006 Every flash flood warning in 2006

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.