Alert archive / Texas / Tornado Watches in 1998
Tornado Watch 535
The Storm Prediction Center issued this tornado watch at Jun 9, 1998, 3:15 PM CDT for 13 counties in Oklahoma; 22 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 1998, 3:15 PM CDT (20:15 UTC)
- Expired
- Jun 9, 1998, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Carter County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Pontotoc County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Cooke County, TX, Fisher County, TX, Foard County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, Knox County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Scurry County, TX, Shackelford County, TX, Stephens County, TX, Stonewall County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX
Warnings issued inside it
36 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 3:18 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Wilbarger | 42 min |
| Jun 9, 3:32 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 43 min |
| Jun 9, 3:54 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 66 min |
| Jun 9, 4:00 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Wichita, Wilbarger | 60 min |
| Jun 9, 4:45 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 45 min |
| Jun 9, 4:57 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Knox | 48 min |
| Jun 9, 4:57 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Wichita, Wilbarger | 48 min |
| Jun 9, 5:08 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 52 min |
| Jun 9, 5:25 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 50 min |
| Jun 9, 5:35 PM CDT | Tornado Warning | OUN | Clay | 30 min |
| Jun 9, 5:43 PM CDT | Tornado Warning | OUN | Archer | 47 min |
| Jun 9, 5:46 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Wichita, Wilbarger | 44 min |
| Jun 9, 5:59 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 46 min |
| Jun 9, 5:59 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay, Wichita | 46 min |
| Jun 9, 6:10 PM CDT | Flash Flood Warning | OUN | Clay, Wichita | 3 hr |
| Jun 9, 6:26 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, Murray | 34 min |
| Jun 9, 6:30 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 60 min |
| Jun 9, 6:36 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Hardeman, Wilbarger | 39 min |
| Jun 9, 6:45 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Jefferson, Stephens | 45 min |
| Jun 9, 6:45 PM CDT | Severe Thunderstorm Warning | OUN | Love | 45 min |
| Jun 9, 6:50 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay | 40 min |
| Jun 9, 6:56 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Murray | 49 min |
| Jun 9, 7:06 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 64 min |
| Jun 9, 7:09 PM CDT | Flash Flood Warning | OUN | Murray | 2 hr |
| Jun 9, 7:15 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 45 min |
| Jun 9, 7:25 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 65 min |
| Jun 9, 7:25 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 35 min |
| Jun 9, 7:31 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Love, Marshall | 44 min |
| Jun 9, 7:31 PM CDT | Severe Thunderstorm Warning | OUN | Pontotoc | 44 min |
| Jun 9, 7:58 PM CDT | Severe Thunderstorm Warning | OUN | Coal | 47 min |
| Jun 9, 8:09 PM CDT | Severe Thunderstorm Warning | OUN | Love | 51 min |
| Jun 9, 8:09 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 66 min |
| Jun 9, 8:35 PM CDT | Tornado Warning | FWD | Cooke | 25 min |
| Jun 9, 8:43 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal | 47 min |
| Jun 9, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 46 min |
| Jun 9, 8:55 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 50 min |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 8.3 hours before the alert went out and 179 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
- 633 J/kg
- Mixed-layer CIN
- -434 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
477 WWUS9 KMKC 091954 SEL5 MKC WW 091954 OKZ000-TXZ000-100200- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 535 STORM PREDICTION CENTER NORMAN OK 254 PM CDT TUE JUN 9 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHWESTERN AND SOUTH CENTRAL OKLAHOMA NORTHWESTERN TEXAS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 315 PM UNTIL 900 PM CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST OF A LINE FROM ABILENE TEXAS TO 55 MILES EAST NORTHEAST OF FORT SILL 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 WILL RAPIDLY INCREASE ALONG SURFACE FRONT AND DRY LINE AS AIR MASS EXTREMELY UNSTABLE WITH MUCAPES NEAR 6000 J/KG. 40 TO 50 KT MID LEVEL FLOW WILL PROVIDE FAVORABLE SHEAR FOR A FEW TORNADIC SUPERCELLS WITH HIGH CAPES AND DRY AIR AT MID LEVELS RESULTING IN ENHANCED HAIL AND DOWNBURST POTENTIAL. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 24035. ...ROGASH 322,1011 344,0990 344,0955 322,0980
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 8:45 PM CDT | Tornado Watch | SPC | Canadian, Cleveland, Coal, Garvin, Grady, Haskell and 12 more | 5 hr |
| Jun 8, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Craig, Creek, Delaware, Mayes and 9 more | 5 hr |
Nearby
Tornado Watches in Texas, 1998Tornado Watches in Oklahoma, 1998Every tornado watch in 1998
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.