Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 137, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 12, 2000, 9:08 PM CDT for Kerr County, Texas. It was in force for 67 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
- May 12, 2000, 9:08 PM CDT (02:08 UTC)
- Expired
- May 12, 2000, 10:15 PM CDT
- In force
- 67 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Kerr County, TX
The radar
The Laughlin AFB radar (KDFX), 126 km from the middle of the area, began a volume at 02:10 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 |
|---|---|---|---|
| May 12, 9:30 PM CDT | Hail 1.75 | Ingram, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 12, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.1 hours before the alert went out and 163 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
- 1539 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 3252 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
564 WUUS54 KEWX 130210 SVRSAT TXC265-130315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 908 PM CDT FRI MAY 12 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... KERR COUNTY * UNTIL 1015 PM CDT * AT 908 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHEAST OF KERR WILDLIFE MGMT AREA... OR ABOUT 20 MILES WEST OF KERRVILLE...MOVING SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HUNT AROUND 925 PM CDT KERRVILLE AROUND 1000 PM CDT VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.
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 May 12, 2:45 PM CDT, 6 hours 23 minutes earlier.
Area forecast discussion, May 12, 2:45 PM CDT, 6 hours 23 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 245 PM CDT FRI MAY 12 2000 MOST OF THE MODEL RUNS HAVE BEEN FAIRLY CONSISTENT IN BRINGING THE COLD FRONT WHICH IS IN WEST CENTRAL TEXAS SOUTHWARD ACROSS THE AREA AND DEVELOPING PRECIPITATION WITH THE FRONT BEGINNING EITHER LATE THIS AFTERNOON OR THIS EVENING. WILL KEEP THAT TREND IN CURRENT FORECAST AND POSSIBLY RAISE POPS IN SOME AREAS. INCREASING MIDDLE CLOUDS OVER SOUTHWEST TEXAS INDICATES SOME LIFTING OCCURRING AS UPPER TROUGH COMES CLOSER. STEEP LAPSE RATE ABOVE CAP SO ANY THUNDERSTORMS COULD BECOME QUITE STRONG. LOW-LEVEL MOISTURE IS FAIRLY LIMITED ESPECIALLY WEST BUT MAIN TRAJECTORIES BEHIND THE FRONT LATER TONIGHT AND SATURDAY WILL BE FROM THE EAST WHERE MOISTURE IS BETTER. COOLER TEMPERATURES ON TAP FOR AREA BEHIND THE COLD FRONT AIDED BY MOSTLY CLOUDY CONDITIONS. COOLER AIR WILL BE DEEPER BUT BEGINNING TO SLIP TO THE EAST ON SUNDAY AS RAIN THREATS BEGIN TO DECREASE. A WARMER AND DRIER PATTERN WILL SET BACK IN MONDAY THROUGH WEDNESDAY AS AN UPPER RIDGE IS REESTABLISHED OVER THE AREA. PRELIMINARY NUMBERS AUS 68/80/60/80 4632 SAT 71/82/63/81 35g32 DRT 72/83/65/82 2321 .EWX...NONE. 16/06/20
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:13 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 62 min |
| May 12, 7:28 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 62 min |
| May 12, 8:03 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 57 min |
| May 12, 8:12 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 63 min |
| May 12, 8:25 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 35 min |
| May 12, 8:42 PM CDT | Severe Thunderstorm Warning | EWX | Blanco | 63 min |
| May 12, 8:46 PM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 59 min |
| May 12, 8:55 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 65 min |
| May 12, 10:50 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 55 min |
| May 12, 10:50 PM CDT | Severe Thunderstorm Warning | EWX | Lee | 55 min |
| May 12, 11:11 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 64 min |
| May 13, 12:56 AM CDT | Severe Thunderstorm Warning | EWX | Maverick | 64 min |
| May 13, 1:56 AM CDT | Severe Thunderstorm Warning | EWX | Maverick | 49 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; radar from the NEXRAD Level II archive.