Alert archive / Texas / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 25, 1996, 10:22 AM CST for Zavala County, Texas. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 25, 1996, 10:22 AM CST (16:22 UTC)
- Expired
- Mar 25, 1996, 11:15 AM CST
- In force
- 53 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 68 km from the middle of the area, began a volume at 16:25 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 25, 10:35 AM CST | Hail 0.75 | La Pryor, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 4.4 hours before the alert went out and 119 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
- 3477 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 306 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSAT 251625 RRA SVRSAT TXC507-251715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1022 AM CST MON MAR 25 1996 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...ZAVALA COUNTY AT 1022 AM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHWESTERN ZAVALA COUNTY NEAR LA PRYOR MOVING NORTHEAST AT 20 MPH. DAMAGING HAIL IS LIKELY WITH THIS STORM. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES... SOMETIMES BUILDINGS. VERY LARGE HAIL CAN INJURE ANYONE CAUGHT OUTSIDE. IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE.
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 25, 6:17 AM CST, 4 hours 5 minutes before
TXZ171>173-183>194-202>209-217>225-228>230-239-260015- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 617 AM CST MON MAR 25 1996 ...WIND ADVISORY IN EFFECT FOR PORTIONS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY... STRONG ARCTIC HIGH PRESSURE OVER THE CENTRAL AND NORTHERN PLAINS WILL BUILD SOUTH TODAY ACROSS CENTRAL AND EAST TEXAS. MUCH COOLER AIR WILL MIX DOWN CREATING WINDS OF 20 TO 30 MPH WITH SOME HIGHER GUSTS THIS MORNING. WIND SPEEDS SHOULD DIMINISH LATE THIS AFTERNOON AS THE HIGH PRESSURE SYSTEMS MOVES INTO THE MID MISSISSIPPI VALLEY. DRIVERS OF HIGH PROFILE VEHICLES...SUCH AS TRUCKS...TRAILERS... VANS...RVS AND CAMPERS...SHOULD BE ALERT TO THE DANGER CAUSED BY THESE WINDS...ESPECIALLY IF THE DIRECTION OF TRAVEL GIVES YOU A CROSSWIND. LOOSE OBJECTS SUCH AS LAWN FURNITURE AND TRASH CANS SHOULD BE SECURED OR MOVED INDOORS. BOATERS AND FISHERMEN ON AREA LAKES SHOULD STAY CLOSE TO SHORE OR SEEK PROTECTED INLETS. DUE TO THE HIGH WINDS AND EXTREMELY DRY RANGE CONDITIONS... ANY TYPE OF BURNING IS DISCOURAGED...COULD BE UNLAWFUL OR POTENTIALLY DANGEROUS...SO DON'T EVEN ATTEMPT IT UNTIL CONDITIONS IMPROVE. THE FIRE DANGER ACROSS SOUTH TEXAS CONTINUES HIGH.
Special weather statement, Mar 25, 6:20 AM CST, 4 hours 2 minutes before
TXZ171>173-183>194-202>209-217>225-228>230-239-260015- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 617 AM CST MON MAR 25 1996 ...WIND ADVISORY IN EFFECT FOR PORTIONS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY... STRONG ARCTIC HIGH PRESSURE OVER THE CENTRAL AND NORTHERN PLAINS WILL BUILD SOUTH TODAY ACROSS CENTRAL AND EAST TEXAS. MUCH COOLER AIR WILL MIX DOWN CREATING WINDS OF 20 TO 30 MPH WITH SOME HIGHER GUSTS THIS MORNING. WIND SPEEDS SHOULD DIMINISH LATE THIS AFTERNOON AS THE HIGH PRESSURE SYSTEMS MOVES INTO THE MID MISSISSIPPI VALLEY. DRIVERS OF HIGH PROFILE VEHICLES...SUCH AS TRUCKS...TRAILERS... VANS...RVS AND CAMPERS...SHOULD BE ALERT TO THE DANGER CAUSED BY THESE WINDS...ESPECIALLY IF THE DIRECTION OF TRAVEL GIVES YOU A CROSSWIND. LOOSE OBJECTS SUCH AS LAWN FURNITURE AND TRASH CANS SHOULD BE SECURED OR MOVED INDOORS. BOATERS AND FISHERMEN ON AREA LAKES SHOULD STAY CLOSE TO SHORE OR SEEK PROTECTED INLETS. DUE TO THE HIGH WINDS AND EXTREMELY DRY RANGE CONDITIONS... ANY TYPE OF BURNING IS DISCOURAGED...COULD BE UNLAWFUL OR POTENTIALLY DANGEROUS...SO DON'T EVEN ATTEMPT IT UNTIL CONDITIONS IMPROVE. THE FIRE DANGER ACROSS SOUTH TEXAS CONTINUES HIGH.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 9:11 AM CST | Severe Thunderstorm Warning | EWX | Uvalde | 64 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.