Alert archive / Texas / Tornado Watches in 2001
Tornado Watch 31
The Storm Prediction Center issued this tornado watch at Feb 24, 2001, 11:30 AM CST for 9 counties in Arkansas; 6 counties in Oklahoma; 23 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2001, 11:30 AM CST (17:30 UTC)
- Expired
- Feb 24, 2001, 5:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 38 counties
Howard County, AR, Little River County, AR, Logan County, AR, Montgomery County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Yell County, AR, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pushmataha County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Gregg County, TX, Henderson County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 11:59 AM CST | Severe Thunderstorm Warning | FWD | Delta, Lamar | 61 min |
| Feb 24, 11:59 AM CST | Severe Thunderstorm Warning | FWD | Hunt | 61 min |
| Feb 24, 12:29 PM CST | Severe Thunderstorm Warning | TSA | Pushmataha | 31 min |
| Feb 24, 1:13 PM CST | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 47 min |
| Feb 24, 1:33 PM CST | Severe Thunderstorm Warning | LZK | Polk, Scott | 57 min |
| Feb 24, 1:34 PM CST | Severe Thunderstorm Warning | SHV | McCurtain | 26 min |
| Feb 24, 1:58 PM CST | Severe Thunderstorm Warning | LZK | Logan | 62 min |
| Feb 24, 2:23 PM CST | Severe Thunderstorm Warning | LZK | Polk, Scott | 47 min |
| Feb 24, 2:35 PM CST | Tornado Warning | LZK | Polk, Scott | 35 min |
| Feb 24, 2:46 PM CST | Severe Thunderstorm Warning | SHV | Howard | 29 min |
| Feb 24, 2:48 PM CST | Severe Thunderstorm Warning | LZK | Yell | 57 min |
| Feb 24, 2:53 PM CST | Severe Thunderstorm Warning | LZK | Montgomery, Pike | 67 min |
| Feb 24, 3:00 PM CST | Severe Thunderstorm Warning | LZK | Logan | 30 min |
| Feb 24, 3:41 PM CST | Severe Thunderstorm Warning | LZK | Garland, Perry, Yell | 64 min |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 5.5 hours before the alert went out and 183 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
- 201 J/kg
- Mixed-layer CIN
- -301 J/kg
- Mixed-layer LCL
- 532 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 531 m²/s²
- 0-3 km storm-relative helicity
- 696 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS9 KMKC 241718 SEL1 SEL1 MKC WW 241712 ARZ000-OKZ000-TXZ000-242300- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 31 STORM PREDICTION CENTER NORMAN OK 1112 AM CST SAT FEB 24 2001 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF WESTERN ARKANSAS SOUTHEAST OKLAHOMA NORTHEAST TEXAS EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 1130 AM UNTIL 500 PM CST. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 95 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHWEST OF TYLER TEXAS TO FORT SMITH ARKANSAS. 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...THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 29. WATCH NUMBER 29 WILL NOT BE IN EFFECT AFTER 1130 AM CST. CONTINUE...WW 30... DISCUSSION...SOUTHERN END OF SQUALL LINE SHOULD CONTINUE TO DEVELOP EWD ACROSS NE TX/SE OK/WRN AR AS THE COLD FRONT SURGES EWD AND THE 100 KT MID LEVEL JET LIFTS NEWD FROM TX TOWARD AR. THE MAIN THREAT WITH STORMS IN THE LINE WILL BE DAMAGING WINDS AND LARGE HAIL. ANY STORMS THAT CAN BECOME SUSTAINED E OF THE SQUALL LINE THIS AFTERNOON WILL ALSO HAVE THE POTENTIAL TO PRODUCE A FEW TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT> TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 80 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 24045. ...THOMPSON ;351,0931 320,0943 320,0964 351,0953;
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 11:15 AM CST | Tornado Watch | SPC | Benton, Boone, Carroll, Crawford, Franklin, Johnson and 3 more | 6 hr |
| Feb 24, 3:15 PM CST | Tornado Watch | SPC | Arkansas, Ashley, Baxter, Bradley, Calhoun, Clark and 45 more | 6 hr |
| Feb 24, 5:45 PM CST | Tornado Watch | SPC | Chicot, Crittenden, Desha, Lee, Mississippi, Phillips and 1 more | 5 hr |
| Feb 24, 12:30 AM CST | Severe Thunderstorm Watch | SPC | Beckham, Greer, Harmon, Jackson, Kiowa, Washita | 6 hr |
| Feb 24, 3:30 AM CST | Severe Thunderstorm Watch | SPC | Caddo, Carter, Cleveland, Comanche, Cotton, Garvin and 12 more | 5 hr |
| Feb 24, 7:15 AM CST | Tornado Watch | SPC | Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 19 more | 6 hr |
Nearby
Tornado Watches in Texas, 2001Tornado Watches in Arkansas, 2001Tornado Watches in Oklahoma, 2001Every tornado watch in 2001
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.