Alert archive / Texas / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 9, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 11, 1993, 11:20 PM CST for Calhoun County, Texas. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Mar 11, 1993, 11:20 PM CST (05:20 UTC)
- Expired
- Mar 12, 1993, 1:15 AM CST
- In force
- 115 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Calhoun County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 5.3 hours before the alert went out and 106 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 262 m²/s²
- 0-3 km storm-relative helicity
- 485 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 16.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KVCT 120522 SVRVCT TXC057-TXZ901-902-903-120715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE VICTORIA TX 1120 PM CST THU MAR 11 1993 THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 115 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH CENTRAL TEXAS ...SOUTHERN CALHOUN COUNTY AND FOR MARINE INTERESTS ON THE COASTAL WATERS FROM... ...SAN ANTONIO BAY TO ESPIRITU SANTO BAY ...ESPIRITU SANTO BAY TO LAVACA BAY WEATHER SERVICE RADAR SHOWES A SEVERE THUNDERSTORM 15 MILES WEST AUSTWELL TEXAS MOVING EAST 20 MILES AN HOUR. THIS THUNDERSTORM IS ASSOCIATED WITH A LARGE AREA OF THUNDERSTOMS FROM NAVASOTA TEXAS TO ALICE TEXAS. BOATERS AND MARINERS SHOULD STAY IN PORT OR SEEK SAFE HARBOR AS THIS AREA OF THUNDERSTOMS MOVE IN TO THE COASTAL SECTIONS DURING THE NEXT ONE TO TWO HOURS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND FREQUENT LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. IF THREATING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY...YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE. &
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.
In the hours before
Special weather statement, Mar 11, 6:55 PM CST, 4 hours 25 minutes before
TXZ039-040-120300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 655 PM CST THU MAR 11 1993 AT 655 PM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS NEAR THREE RIVERS IN LIVE OAK COUNTY. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 35 MILES AN HOUR. RESIDENTS IN KARNES COUNTY MAY BE THREATENED BY THESE STORMS WITHIN THE NEXT HOUR. EXPECT BRIEF HEAVY RAINFALL...FREQUENT LIGHTNING...GUSTY WIND AND POSSIBLE HAIL AS THE STORMS MOVE THROUGH THE COUNTY. STAY TUNED TO LOCAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR FURTHER UPDATES.
Special weather statement, Mar 11, 8:55 PM CST, 2 hours 25 minutes before
TXZ030-034>037-120430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 855 PM CST THU MAR 11 1993 ...STRONG THUNDERSTORM MOVING TOWARD FAYETTE COUNTY... AT 850 PM...RADAR SHOWED A STRONG THUNDERSTORM NEAR GONZALES. THIS STORM WAS MOVING TOWARD THE NORTHEAST AT 35 MPH. THIS STORM WILL BE AFFECTING FLATONIA...LA GRANGE AND SCHULENBURG BETWEEN 910 PM AND 10 PM. THIS STORM IS CAPABLE OF PRODUCING 1/2 INCH HAIL...VERY HEAVY RAINS... GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING. OTHER LIGHT RAIN SHOWERS WERE FROM SAN MARCOS TO AUSTIN...BASTROP AND GEORGETOWN. LUNA
Special weather statement, Mar 11, 8:59 PM CST, 2 hours 21 minutes before
TXZ030-034>037-120430- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE AUSTIN TX 855 PM CST THU MAR 11 1993 ...STRONG THUNDERSTORM MOVING TOWARD FAYETTE COUNTY... AT 850 PM...RADAR SHOWED A STRONG THUNDERSTORM NEAR GONZALES. THIS STORM WAS MOVING TOWARD THE NORTHEAST AT 35 MPH. THIS STORM WILL BE AFFECTING FLATONIA...LA GRANGE AND SCHULENBURG BETWEEN 910 PM AND 10 PM. THIS STORM IS CAPABLE OF PRODUCING 1/2 INCH HAIL...VERY HEAVY RAINS... GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING. OTHER LIGHT RAIN SHOWERS WERE SCATTERED FROM SAN MARCOS TO AUSTIN... BATROP...GEORGETOWN AND GOLDTHWAITE. LUNA
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 7:45 PM CST | Severe Thunderstorm Warning | EWX | DeWitt | 60 min |
| Mar 11, 10:25 PM CST | Severe Thunderstorm Warning | EWX | DeWitt, Goliad, Lavaca | 65 min |
| Mar 12, 1:20 AM CST | Severe Thunderstorm Warning | EWX | Calhoun | 55 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993
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.