Alert archive / Texas / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 29, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 24, 2007, 8:44 PM CDT for La Salle County, Texas. It was in force for 50 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
- Apr 24, 2007, 8:44 PM CDT (01:44 UTC)
- Expired
- Apr 24, 2007, 9:34 PM CDT
- In force
- 50 min
- 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 01:45 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, 1.7 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.
- Mixed-layer CAPE
- 2037 J/kg
- Mixed-layer CIN
- -328 J/kg
- Mixed-layer LCL
- 785 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
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 Apr 24, 8:44 PM CDT, 0 minutes earlier.
Area forecast discussion, Apr 24, 8:44 PM CDT, 0 minutes before
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</html>Hazardous weather outlook, Apr 24, 6:03 AM CDT, 14 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 603 AM CDT TUE APR 24 2007 GMZ230-235-250-255-270-275-TXZ229>234-239>247-251100- 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- 558 AM CDT TUE APR 24 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE TEXAS COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT A VIGOROUS LOW PRESSURE SYSTEM WILL MOVE EAST OUT OF NEW MEXICO AND ACROSS NORTH CENTRAL TEXAS. WEAK DISTURBANCES AHEAD OF THE MAIN STORMS SYSTEM MAY PROVIDE SOME ISOLATED WEAK THUNDERSTORMS TODAY ACROSS THE REGION. STRONG TO SEVERE THUNDERSTORMS WILL LIKELY DEVELOP ACROSS PORTIONS OF CENTRAL TEXAS AND THE HILL COUNTRY THIS EVENING AS THE LOW BEGINS TO MOVE ACROSS THE AREA. IT IS DIFFICULT TO SAY EXACTLY HOW FAR SOUTH THE SEVERE THUNDERSTORMS MAY EXTEND...BUT IT APPEARS THE TAIL END OF THIS ACTIVITY WILL CLIP AREAS ALONG AND NORTH OF A LAREDO TO MATHIS TO PORT OCONNOR LINE OVERNIGHT TONIGHT AND EARLY WEDNESDAY MORNING. SEVERE STORMS WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING WIND GUST TO 60 MPH. STRONG SHEAR IN THE ATMOSPHERE WILL ALSO LEAD TO THE POTENTIAL FOR ROTATING STORMS AND POSSIBLY AN ISOLATED TORNADO. ONSHORE FLOW WILL INCREASE TODAY IN ADVANCE OF THIS LOW PRESSURE SYSTEM AND SMALL CRAFT ADVISORIES ARE IN EFFECT FOR THE BAYS AND GULF WATERS THROUGH EARLY WEDNESDAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THE TAIL END OF A STRONG TO SEVERE THUNDERSTORM COMPLEX WILL MOVE ACROSS THE NORTHERN COASTAL BEND NEAR VICTORIA WEDNESDAY MORNING...WITH ISOLATED TO SCATTERED WEAKER THUNDERSTORMS AFFECTING AREAS FURTHER SOUTH TOWARD THE SOUTHERN COASTAL BEND NEAR CORPUS CHRISTI AND KINGSVILLE. SMALL CRAFT ADVISORY CONDITIONS WILL LIKELY CONTINUE IN THE MORNING HOURS...BUT SHOULD IMPROVE THROUGH THE DAY. AREAS OF DENSE FOG MAY REDUCE VISIBILITIES BELOW 1/2 MILE ACROSS THE COASTAL PLAINS AND COASTAL BEND OVERNIGHT WEDNESDAY INTO EARLY THURSDAY MORNING. SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED ACROSS THE SOUTHERN BAYS AND SOUTHERN COASTAL WATERS FRIDAY AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT. MJG
In the hours before
Special weather statement, Apr 24, 7:48 PM CDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 748 PM CDT TUE APR 24 2007 TXZ229-250145- LA SALLE- 748 PM CDT TUE APR 24 2007 ...A THUNDERSTORM WAS APPROACHING LA SALLE COUNTY... AT 748 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A THUNDERSTORM NEAR COMETA...OR 10 MILES WEST OF CRYSTAL CITY...MOVING EAST AT 25 MPH. THIS STORM...ALTHOUGH SLIGHTLY WEAKENING WITH TIME...HAS PRODUCED GOLF-BALL SIZED HAIL IN EAGLE PASS. AT THIS TIME...IT APPEARS THAT THE STRONGEST PART OF THE STORM WILL MOVE JUST NORTH OF LA SALLE COUNTY...INCLUDING THE CITY OF COTULLA. HOWEVER...DIME SIZE HAIL...AND WINDS 40 TO 50 MPH ARE STILL POSSIBLE WITH THIS STORM OVER NORTHERN PORTIONS OF THE COUNTY. RESIDENTS SHOULD MOVE INDOORS AWAY FROM WINDOWS AS THIS STORM APPROACHES. IF THE STRONGER PART OF THE STORM MOVES INTO LA SALLE COUNTY...A SEVERE THUNDERSTORM WARNING MAY BE REQUIRED. GW
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 8:18 PM CDT | Wind Advisory | CRP | Aransas, Bee, Calhoun, Goliad, Kleberg, Nueces and 3 more | 3 hr |
| Apr 24, 9:48 PM CDT | Marine Weather Statement | CRP | 4 hr | |
| Apr 25, 12:33 AM CDT | Severe Thunderstorm Warning | CRP | La Salle | 44 min |
| Apr 25, 6:28 AM CDT | Severe Thunderstorm Warning | CRP | Bee | 47 min |
| Apr 25, 7:17 AM CDT | Severe Thunderstorm Warning | CRP | Bee | 43 min |
| Apr 25, 7:29 AM CDT | Severe Thunderstorm Warning | CRP | Goliad | 61 min |
| Apr 25, 8:03 AM CDT | Severe Thunderstorm Warning | CRP | Victoria | 45 min |
| Apr 25, 8:19 AM CDT | Severe Thunderstorm Warning | CRP | Refugio | 56 min |
| Apr 25, 9:06 AM CDT | Severe Thunderstorm Warning | CRP | Calhoun | 39 min |
| Apr 25, 9:37 AM CDT | Special Marine Warning | CRP | 53 min | |
| Apr 25, 10:33 AM CDT | Special Marine Warning | CRP | 57 min | |
| Apr 25, 11:32 AM CDT | Special Marine Warning | CRP | 88 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning in 2007
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.