Alert archive / Oklahoma / Tornado Watches in 2000
Tornado Watch 34
The Storm Prediction Center issued this tornado watch at Feb 17, 2000, 4:00 PM CST for 26 counties in Oklahoma; 11 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 17, 2000, 4:00 PM CST (22:00 UTC)
- Expired
- Feb 17, 2000, 10:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Atoka County, OK, Beckham County, OK, Bryan County, OK, Caddo County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kiowa County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Pontotoc County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Cooke County, TX, Fannin County, TX, Foard County, TX, Grayson County, TX, Hardeman County, TX, Montague County, TX, Wichita County, TX, Wilbarger County, TX
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 10.0 hours before the alert went out and 107 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 360 m²/s²
- 0-3 km storm-relative helicity
- 401 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
494 WWUS9 KMKC 172130 SEL4 MKC WW 172130 OKZ000-TXZ000-180400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 34 STORM PREDICTION CENTER NORMAN OK 330 PM CST THU FEB 17 2000 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF OKLAHOMA NORTH TEXAS EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 400 PM UNTIL 1000 PM CST. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST OF ALTUS OKLAHOMA TO 35 MILES EAST NORTHEAST OF DURANT OKLAHOMA. 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. DISCUSSION...THUNDERSTORMS DEVELOPING ALONG THE RED RIVER WILL LIKELY BECOME SEVERE GIVEN STEEP LAPSE RATES AND STRONG DEEP LAYER SHEAR. TORNADO THREAT WILL BE GREATEST INVOF WARM FRONT WITH LARGE HAIL LIKELY IN THE COLD SECTOR. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...VESCIO 353,0995 350,0954 331,0954 334,0995
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 7:00 AM CST | Severe Thunderstorm Watch | SPC | Adair, Atoka, Canadian, Carter, Cherokee, Cleveland and 31 more | 5 hr |
| Feb 17, 4:45 PM CST | Severe Thunderstorm Watch | SPC | Alfalfa, Beaver, Blaine, Canadian, Custer, Dewey and 7 more | 5 hr |
Nearby
Tornado Watches in Oklahoma, 2000Tornado Watches in Texas, 2000Every tornado 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.