Alert archive / Oklahoma / Tornado Watches in 1998
Tornado Watch 528
The Storm Prediction Center issued this tornado watch at Jun 8, 1998, 2:45 PM CDT for 35 counties in Oklahoma; Hardeman County, Wilbarger County, Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 8, 1998, 2:45 PM CDT (19:45 UTC)
- Expired
- Jun 8, 1998, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Alfalfa County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Jackson County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Hardeman County, TX, Wilbarger County, TX
Warnings issued inside it
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 3:13 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Custer, Washita | 47 min |
| Jun 8, 3:25 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Major, Woods | 35 min |
| Jun 8, 3:33 PM CDT | Severe Thunderstorm Warning | OUN | Canadian | 42 min |
| Jun 8, 3:58 PM CDT | Tornado Warning | OUN | Canadian | 32 min |
| Jun 8, 4:03 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Grant | 42 min |
| Jun 8, 4:25 PM CDT | Tornado Warning | OUN | Canadian, Oklahoma | 35 min |
| Jun 8, 4:45 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay | 45 min |
| Jun 8, 4:50 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 30 min |
| Jun 8, 4:55 PM CDT | Tornado Warning | OUN | Oklahoma | 35 min |
| Jun 8, 5:16 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 44 min |
| Jun 8, 5:19 PM CDT | Severe Thunderstorm Warning | OUN | Grady | 56 min |
| Jun 8, 5:27 PM CDT | Tornado Warning | OUN | Kay | 33 min |
| Jun 8, 5:46 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, McClain | 44 min |
| Jun 8, 6:10 PM CDT | Severe Thunderstorm Warning | OUN | Logan, Oklahoma | 50 min |
| Jun 8, 6:21 PM CDT | Tornado Warning | OUN | Cleveland | 24 min |
| Jun 8, 6:37 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie | 68 min |
| Jun 8, 7:13 PM CDT | Tornado Warning | OUN | Pottawatomie, Seminole | 32 min |
| Jun 8, 7:46 PM CDT | Severe Thunderstorm Warning | OUN | Canadian | 44 min |
| Jun 8, 8:27 PM CDT | Severe Thunderstorm Warning | OUN | Canadian | 48 min |
| Jun 8, 8:51 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 39 min |
The nearest sounding before it
Fort Sill, OK (KFSI), launched 12:00Z, 7.8 hours before the alert went out and 66 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
- 383 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 353 m²/s²
- 0-3 km storm-relative helicity
- 696 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.3
The text
As transmitted, in the capitals the NWS used until 2016.
303 WWUS9 KMKC 081913 SEL8 MKC WW 081913 OKZ000-090200- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 528 STORM PREDICTION CENTER NORMAN OK 213 PM CDT MON JUN 8 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF OKLAHOMA EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 900 PM CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH OF FORT SILL OKLAHOMA TO 45 MILES NORTH OF ENID 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. OTHER WATCH INFORMATION... CONTINUE...WW 527... DISCUSSION...THUNDERSTORM ACTIVITY IS INTENSIFING ALONG DRY LINE IN EXTREME WESTERN OK. THIS ACTIVITY IS EXPECTED TO INTENSIFY AND BECOME SEVERE WITH RISK OF SUPERCELLS AND ISOLATED TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 580. MEAN STORM MOTION VECTOR 24025. ...JOHNS 340,0994 370,0992 370,0962 340,0970
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 9:00 PM CDT | Tornado Watch | SPC | Beaver, Texas | 5 hr |
| Jun 8, 6:15 PM CDT | Tornado Watch | SPC | Cherokee, Craig, Creek, Delaware, McIntosh, Mayes and 10 more | 6 hr |
Nearby
Tornado Watches in Oklahoma, 1998Tornado Watches in Texas, 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.