Alert archive / Texas / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 83, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 12, 1994, 1:58 PM CDT for Atascosa County, Texas. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- May 12, 1994, 1:58 PM CDT (18:58 UTC)
- Expired
- May 12, 1994, 3:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Atascosa County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 7.0 hours before the alert went out and 231 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
- 1258 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 776 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSAT 121859 SVREWX TXC013-122000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 158 PM CDT THU MAY 12 1994 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...ATASCOSA COUNTY AT 155 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN SOUTHERN ATASCOSA COUNTY MOVING NORTHWARD AT 10 MPH. THIS STORM IS LIKELY PRODUCING HEAVY RAIN...GUSTY WINDS AND HAIL. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY OF LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOS. THIS IS A SLOW MOVING THUNDERSTORM AND IT MAY CAUSE FLOODING OF SMALL STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
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, May 12, 1:25 PM CDT, 33 minutes before
TXZ220-221-222-230-121930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 125 PM CDT THU MAY 12 1994 SHOWERS AND THUNDERSTORMS HAVE DEVELPED OVER ATASCOSA...KARNES AND MCMULLEN COUNTIES THIS AFTERNOON. THESE STORMS ARE FORMING ALONG A SURFACE BOUNDARY NEAR THE SOUTHERN EDGES OF ATASCOSA AND KARNES COUNTIES AND THE NORTHERN EDGE OF MCMULLEN COUNTY. THE STORMS ARE MOVING TO THE NORTH AT 10 MILES AN HOUR. SOME OF THESE THUNDERSTORMS ARE PRODUCING VERY HEAVY RAIN. CONTINUED DEVELOPMENT IN THE SAME AREA IS LIKELY THROUGH THE AFTERNOON. RESIDENTS IN THESE COUNTIES SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.
Special weather statement, May 12, 1:28 PM CDT, 30 minutes before
TXZ220-221-222-230-121930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 125 PM CDT THU MAY 12 1994 SHOWERS AND THUNDERSTORMS HAVE DEVELPED OVER ATASCOSA...KARNES AND MCMULLEN COUNTIES THIS AFTERNOON. THESE STORMS ARE FORMING ALONG A SURFACE BOUNDARY NEAR THE SOUTHERN EDGES OF ATASCOSA AND KARNES COUNTIES AND THE NORTHERN EDGE OF MCMULLEN COUNTY. THE STORMS ARE MOVING TO THE NORTH AT 10 MILES AN HOUR. SOME OF THESE THUNDERSTORMS ARE PRODUCING VERY HEAVY RAIN. CONTINUED DEVELOPMENT IN THE SAME AREA IS LIKELY THROUGH THE AFTERNOON. RESIDENTS IN THESE COUNTIES SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 1:11 PM CDT | Severe Thunderstorm Warning | EWX | Victoria | 64 min |
| May 12, 1:20 PM CDT | Severe Thunderstorm Warning | EWX | Goliad | 55 min |
| May 12, 4:02 PM CDT | Severe Thunderstorm Warning | EWX | Frio, McMullen | 58 min |
| May 12, 5:53 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde, Zavala | 67 min |
| May 12, 6:06 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio, La Salle | 69 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994
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.