Alert archive / Texas / Tornado Watches in 2001
Tornado Watch 204
The Storm Prediction Center issued this tornado watch at May 6, 2001, 2:45 PM CDT for 36 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 6, 2001, 2:45 PM CDT (19:45 UTC)
- Expired
- May 6, 2001, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Bell County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Coleman County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Edwards County, TX, Falls County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Limestone County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Navarro County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Sutton County, TX, Travis County, TX, Val Verde County, TX, Williamson County, TX
The radar
The San Angelo radar (KSJT), 126 km from the middle of the area, began a volume at 19:46 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.
Warnings issued inside it
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 3:20 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 40 min |
| May 6, 3:55 PM CDT | Severe Thunderstorm Warning | FWD | Bell | 65 min |
| May 6, 4:13 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 62 min |
| May 6, 4:13 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 62 min |
| May 6, 4:40 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 65 min |
| May 6, 4:50 PM CDT | Severe Thunderstorm Warning | SJT | Mason | 25 min |
| May 6, 5:00 PM CDT | Tornado Warning | FWD | Bell | 45 min |
| May 6, 5:05 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 30 min |
| May 6, 5:05 PM CDT | Severe Thunderstorm Warning | FWD | Coryell | 40 min |
| May 6, 5:21 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 69 min |
| May 6, 5:24 PM CDT | Severe Thunderstorm Warning | FWD | Hill | 66 min |
| May 6, 5:39 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 51 min |
| May 6, 5:44 PM CDT | Tornado Warning | FWD | Bell | 46 min |
| May 6, 5:54 PM CDT | Severe Thunderstorm Warning | FWD | Mills | 51 min |
| May 6, 6:00 PM CDT | Tornado Warning | EWX | Llano | 45 min |
| May 6, 6:30 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Milam | 45 min |
| May 6, 6:35 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Hill | 55 min |
| May 6, 6:40 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 65 min |
| May 6, 6:47 PM CDT | Flash Flood Warning | FWD | Bell | 3 hr |
| May 6, 7:13 PM CDT | Severe Thunderstorm Warning | FWD | Mills | 47 min |
| May 6, 7:45 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Travis, Williamson | 60 min |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 7.8 hours before the alert went out and 208 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
- 2568 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 564 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS9 KMKC 061915 SEL4 SEL4 MKC WW 061911 TXZ000-070200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 204 STORM PREDICTION CENTER NORMAN OK 211 PM CDT SUN MAY 6 2001 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL TEXAS EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 900 PM CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 110 STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH OF JUNCTION TEXAS TO 55 MILES NORTHWEST OF WACO TEXAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 202...WW 203... DISCUSSION...WITH AIR MASS NOW VERY UNSTABLE...CAPES TO 4000 J/KG..AND WEAKLY CAPPED...SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP RAPIDLY WRN PORTION OF WW. VEERING SHEAR PROFILES SUPPORT ISOLATED SUPERCELLS ENHANCING LARGE HAIL POTENTIAL ALONG WITH ISOLATED TORNADOS. SEVERE THUNDERSTORMS WILL PROPAGATE E/SE INTO THE EVENING HOURS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 UINCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 28020. ...HALES ;321,0960 294,0975 294,1013 321,0994;
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Knox, Montague, Wichita and 1 more | 4 hr |
| May 6, 4:30 PM CDT | Tornado Watch | SPC | Clay, Collin, Cooke, Dallas, Delta, Denton and 25 more | 7 hr |
| May 6, 6:00 PM CDT | Tornado Watch | SPC | Atascosa, Bandera, Bexar, Dimmit, Duval, Frio and 11 more | 6 hr |
Nearby
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; radar from the NEXRAD Level II archive.