Alert archive / Texas / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 48
The Storm Prediction Center issued this severe thunderstorm watch at Feb 22, 2000, 10:00 PM CST for Miller County, Arkansas; 52 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2000, 10:00 PM CST (04:00 UTC)
- Expired
- Feb 23, 2000, 3:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 53 counties
Miller County, AR, Anderson County, TX, Bastrop County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bowie County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Comal County, TX, Delta County, TX, Ellis County, TX, Falls County, TX, Fayette County, TX, Franklin County, TX, Freestone County, TX, Gonzales County, TX, Gregg County, TX, Guadalupe County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Kendall County, TX, Lamar County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Marion County, TX, McLennan County, TX, Medina County, TX, Milam County, TX, Morris County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, Smith County, TX, Titus County, TX, Travis County, TX, Upshur County, TX, Van Zandt County, TX, Williamson County, TX, Wilson County, TX, Wood County, TX
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 11:10 PM CST | Severe Thunderstorm Warning | EWX | Medina | 65 min |
| Feb 22, 11:21 PM CST | Severe Thunderstorm Warning | HGX | Burleson | 39 min |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 4.0 hours before the alert went out and 209 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
- 217 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
051 WWUS9 KMKC 230343 SEL8 SEL8 MKC WW 230343 TXZ000-230900- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 48 STORM PREDICTION CENTER NORMAN OK 943 PM CST TUE FEB 22 2000 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND NORTHEAST TEXAS EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1000 PM UNTIL 300 AM CST. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH SOUTHWEST OF SAN ANTONIO TEXAS TO 40 MILES WEST NORTHWEST OF TEXARKANA ARKANSAS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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 46...WW 47... DISCUSSION...VIGOROUS SQUALL LINE SUPPORTED BY STRONG VORT MAX ROTATING ACROSS N TX TONIGHT WILL CONTINUE TO MOVE EWD INTO ERN TX. FAVORABLE SHEAR PROFILES AND INSTABILTY WILL CONTINUE TO SUPPORT DAMAGING WINDS/LARGE HAIL WITH THE LINE. ADDITIONALLY ISOLATED SUPERCELLS WILL ALSO CONTINUE...PARTICULARLY S PORTION OF LINE AS IT MOVES THRU MORE UNSTABLE AIRMASS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26030. ...HALES 290,0994 333,0954 333,0933 290,0973
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 6:00 PM CST | Severe Thunderstorm Watch | SPC | Clay, Collin, Cooke, Dallas, Denton, Ellis and 14 more | 5 hr |
| Feb 22, 7:00 PM CST | Severe Thunderstorm Watch | SPC | Bandera, Bell, Blanco, Bosque, Burnet, Comanche and 15 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2000Severe Thunderstorm Watches in Arkansas, 2000Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive.