Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 60, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 26, 2000, 5:39 PM CST for Williamson County, Texas. It was in force for 66 min. 4 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Mar 26, 2000, 5:39 PM CST (23:39 UTC)
- Expired
- Mar 26, 2000, 6:45 PM CST
- In force
- 66 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Williamson County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 26, 6:05 PM CST | Hail 2.75 | Salado, TX | |
| Mar 26, 6:05 PM CST | Thunderstorm Wind 61 E | Salado, TX | Tractor trailer rigs were blown off I-35. |
| Mar 26, 6:15 PM CST | Thunderstorm Wind | Heidenheimer, TX | Houses were damaged by high winds, and a mobile home was destroyed. |
| Mar 26, 6:20 PM CST | Thunderstorm Wind | Florence, TX | Severe thunderstorms winds blew down numerous large tree branches and damaged a mobile home. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 26, 5:15 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 216 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
- 8 J/kg
- Mixed-layer CIN
- -345 J/kg
- Mixed-layer LCL
- 1638 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 262342 SVRSAT TXC491-270045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 539 PM CST SUN MAR 26 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... WILLIAMSON COUNTY * UNTIL 645 PM CST * AT 539 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER FLORENXCE...OR ABOUT 12 MILES NORTHWEST OF SERENADA...MOVING EAST-NORTHEAST AT 20 MPH. * LARGE HAIL IS INDICATED IN THIS STORM. .END/ LAT...LON 3088 9791 3075 9777 3095 9723 3111 9734
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 Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 26, 3:00 PM CST, 2 hours 39 minutes earlier.
Area forecast discussion, Mar 26, 3:00 PM CST, 2 hours 39 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 300 PM CST SUN MAR 26 2000 COLD FRONT MOVING THROUGH TEXAS SOUTH PLAINS TO NORTHWEST OKLAHOMA THIS AFTERNOON WILL CONTINUE ITS PUSH SOUTHWARD THIS EVENING... MOVING INTO SOUTH CENTRAL TEXAS BY LATE TONIGHT AS UPPER TROUGH DIGS INTO MIDWEST. PROGRESSIVE PATTERN WILL PUSH SURFACE RIDGING EAST OF AREA BY MONDAY EVENING BUT RIDGING OFFSHORE WILL PRECLUDE RETURN OF GULF MOISTURE TUESDAY MORNING. MID AND UPPER LEVEL MOISTURE WILL RETURN TOMMORROW NIGHT AS UPPER RIDGE FLATTENS. WEAK DISTURBANCE... MOISTURE CONVERGENCE AND DAYTIME HEATING TUESDAY MAY BE ENOUGH FOR LOW POPS (SHOWERS OR THUNDERSTORMS). MOISTURE CAPPED OFF WEDNESDAY MORNING WITH STRONG WESTERLIES ALOFT. NEXT COLD FRONT ARRIVES EARLY THURSDAY BUT LACK OF MOISTURE ALOFT MAY NIX PRECIPITATION CHANCES. PRELIMS UPDATED... AUS 59/80/53/80 0000 SAT 62/83/55/80 0000 DRT 58/86/60/82 0000 .EWX...NONE. 02/06
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 6:52 PM CST | Severe Thunderstorm Warning | EWX | Llano | 68 min |
| Mar 25, 7:26 PM CST | Severe Thunderstorm Warning | EWX | Burnet, Llano | 64 min |
| Mar 26, 4:53 PM CST | Severe Thunderstorm Warning | EWX | Burnet, Llano | 67 min |
| Mar 26, 5:17 PM CST | Severe Thunderstorm Warning | EWX | Blanco | 58 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.