Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 42, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 16, 2000, 8:18 PM CST for DeWitt County, Texas. It was in force for 57 min. 1 report 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 16, 2000, 8:18 PM CST (02:18 UTC)
- Expired
- Mar 16, 2000, 9:15 PM CST
- In force
- 57 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County DeWitt County, TX
The radar
The Austin/San Antonio radar (KEWX), 89 km from the middle of the area, began a volume at 02:21 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 16, 8:40 PM CST | Hail 0.75 | Yorktown, 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 |
|---|---|---|---|
| Mar 16, 2:45 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 16, 8:00 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 2.3 hours before the alert went out and 150 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
- 630 J/kg
- Mixed-layer CIN
- -327 J/kg
- Mixed-layer LCL
- 1457 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
077 WUUS54 KEWX 170218 SVRSAT TXC123-170315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 818 PM CST THU MAR 16 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... DEWITT COUNTY * UNTIL 915 PM CST * AT 818 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES WEST OF YORKTOWN...OR ABOUT 11 MILES NORTHEAST OF KARNES CITY...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... YORKTOWN AROUND 840 PM CST 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. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. .END/ LAT...LON 2906 9766 2889 9759 2909 9707 2928 9732
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 16, 2:00 PM CST, 6 hours 18 minutes earlier.
Area forecast discussion, Mar 16, 2:00 PM CST, 6 hours 18 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 200 PM CST THU MAR 16 2000 SOUTH CENTRAL TEXAS AND HILL COUNTRY PRIMED FOR POSSIBLE SEVERE WX OUTBREAK LATE THIS AFTERNOON INTO THIS EVENING. A WEATHER WATCH MAY BE REQUIRED LATER IN THE AFTERNOON. SHOWERS ALREADY DEVELOPING ALONG THE FRONT OVER LLANO AND GILLESPIE COUNTIES. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG THE FRONT THRU THIS EVENING. THE APPROACHING SHORT WAVE COMING OUT OF NEW MEXICO WILL PROVIDE THE STRONG UVV NECESSARY FOR SVR TSTMS. THE MAIN THREATS WILL BE HAIL AND HIGH WINDS. PLEASE REFER TO THE SPC MESOSCALE DISCUSSION #0350 FOR MORE DETAIL. SHORT WAVE WILL BE SLOW TO DEPART SO ELEVATED CONVECTION POSSIBLE BEHIND THE FRONT TONIGHT INTO FRIDAY. PCPN WILL END FROM WEST TO EAST ON FRIDAY...BUT CLOUDS WILL BE SLOW TO BREAK. COLD FRONT WILL MOVE ACROSS ALL OF THE CWFA OVERNIGHT. STRONG NORTHERLY WINDS OF 15 TO 25 MPH WILL ACCOMPANY THE FRONTAL PASSAGE SO CAUTION ON AREA LAKES TONIGHT. TEMPS WERE ALREADY IN THE 30S AT ABILENE...SO UPPER 30S POSSIBLE IN THE HILL COUNTRY TONIGHT...WITH 40S FOR SOUTH CENTRAL TEXAS. LITTLE REBOUND IN TEMPS FRIDAY AS CAA AND CLOUDS KEEP READINGS IN THE 50S...60S RIO GRANDE WHERE CLOUDS WILL BREAK. PRELIMS... AUS 045/055/045/066 75-1 SAT 048/058/048/068 64-1 DRT 045/061/048/072 3201 .EWX...NONE. 13/01 2
In the hours before
Special weather statement, Mar 16, 3:06 PM CST, 5 hours 12 minutes before
TXZ171>173-186>194-203>209-218>225-162200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 306 PM CST THU MAR 16 2000 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM CST... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS AFTERNOON AND VALID UNTIL 9 PM. A STRONG COLD FRONT MOVING THROUGH THE HILL COUNTRY WILL ADVANCE SOUTHWARD TO NEAR A AUSTIN TO SAN ANTONIO LINE BETWEEN 6 AND 7 PM. THE COLD FRONT WILL COLLIDE WITH WARM MOIST GULF AIR AND TRIGGER A LINE OF SCATTERED STRONG THUNDERSTORMS. SOME OF THE STROMS WILL BECOME SEVERE OVER THE WATCH AREA. STRONG DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE...ALONG WITH DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN. AT 3 PM...SCATTERED STRONG THUNDERSORMS ALONG THE COLD FRONT WERE MOVING SLOWLY EASTWARD FROM WESTERN LLANO COUNTY INTO BURNET COUNTY. THESE STORMS WERE LIKELY PRODUCING BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS CONCERNING THIS DANGEROUS SEVERE WEATHER THREAT.
Local storm report, Mar 16, 3:45 PM CST, 4 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
345 PM CST THU MAR 16 2000
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM BURNET TX PEA TO MARBLE SIZE HAIL
03/16/00 BURNET WAS OBSERVED BY POLICE.
0400 PM LEANDER TX FUNNELS CLOUDS WERE
03/16/00 WILLIAMSON OBSERVED BY THE PUBLIC.Local storm report, Mar 16, 4:45 PM CST, 3 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
445 PM CST THU MAR 16 2000
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM BURNET TX PEA TO MARBLE SIZE HAIL
03/16/00 BURNET WAS OBSERVED BY POLICE.
0400 PM LEANDER TX FUNNELS CLOUDS WERE
03/16/00 WILLIAMSON OBSERVED BY THE PUBLIC.
0440 PM GEORGETOWN TX TORNADO 10 MILES SOUTH OF
03/16/00 WILLIAMSON GEORGETOWN.
0440 PM GEORGETOWN TX GOLF BALL SIZED HAIL
03/16/00 WILLIAMSON REPORTED BY PUBLIC.
0440 PM ROUND ROCK TX QUARTER TO HALF DOLLAR SIZED
03/16/00 WILLIAMSON HAIL REPORTED BY SPOTTER.Local storm report, Mar 16, 6:33 PM CST, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
633 PM CST THU MAR 16 2000
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0430 PM SEWARD TX ONE INCH HAIL
03/16/00 WILLIAMSON
0430 PM NEAR CEDAR PARK TX GOLFBALL SIZE HAIL
03/16/00 WILLIAMSON
0450 PM GEORGETOWN TX GOLFBALL SIZE HAIL
03/16/00 WILLIAMSON
0518 PM TRAVIS CO SHEFIFF OFFICE TX GOLFBALL SIZE HAIL
03/16/00 TRAVIS
0528 PM WIMBERLY TX 3/4 INCH HAIL
03/16/00 HAYS
0532 PM 4 MI N OF SAN MARCOS TX GOLFBALL SIZE HAIL
03/16/00 HAYS
0558 PM 3 MI S ELGIN TX GOLFBALL SIZE HAIL
03/16/00 WILLIAMSON
0613 PM NEW BRAUNFELS TX MARBLE SIZE HAIL
03/16/00 COMAL
0625 PM NEW BRAUNFELS AIRPORT TX NICKEL SIZE HAIL AT
03/16/00 GUADALUPE NWS AUSTIN/SAN ANTONIO
OFFICEThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 6:00 PM CST | Severe Thunderstorm Warning | EWX | Caldwell | 60 min |
| Mar 16, 6:15 PM CST | Severe Thunderstorm Warning | EWX | Guadalupe | 45 min |
| Mar 16, 6:25 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 65 min |
| Mar 16, 6:36 PM CST | Severe Thunderstorm Warning | EWX | Lee | 54 min |
| Mar 16, 6:49 PM CST | Severe Thunderstorm Warning | EWX | Wilson | 56 min |
| Mar 16, 6:58 PM CST | Severe Thunderstorm Warning | EWX | Caldwell | 62 min |
| Mar 16, 7:26 PM CST | Severe Thunderstorm Warning | EWX | Comal | 64 min |
| Mar 16, 7:31 PM CST | Severe Thunderstorm Warning | EWX | Karnes | 59 min |
| Mar 16, 9:15 PM CST | Severe Thunderstorm Warning | EWX | DeWitt | 30 min |
| Mar 16, 9:38 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 52 min |
| Mar 16, 9:51 PM CST | Severe Thunderstorm Warning | EWX | Comal, Guadalupe | 54 min |
| Mar 16, 10:42 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 63 min |
| Mar 16, 10:58 PM CST | Severe Thunderstorm Warning | EWX | Guadalupe, Wilson | 47 min |
| Mar 16, 11:36 PM CST | Severe Thunderstorm Warning | EWX | Gonzales | 54 min |
| Mar 16, 11:47 PM CST | Severe Thunderstorm Warning | EWX | Guadalupe | 43 min |
| Mar 17, 12:45 AM CST | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 60 min |
| Mar 17, 6:11 AM CST | Severe Thunderstorm Warning | EWX | Fayette, Gonzales | 64 min |
| Mar 17, 6:20 AM CST | Severe Thunderstorm Warning | EWX | Bexar, Guadalupe | 55 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.