Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 183, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Apr 24, 1990, 9:31 PM CDT for Ellis County, Oklahoma. It was in force for 59 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 24, 1990, 9:31 PM CDT (02:31 UTC)
- Expired
- Apr 24, 1990, 10:30 PM CDT
- In force
- 59 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Ellis County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 10:23 PM CDT | Tornado F2 | Ellis, OK | |
| Apr 24, 10:28 PM CDT | Hail 2 | Ellis, OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 2.5 hours before the alert went out and 173 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
- 1446 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1164 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 12.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 24, 4:14 PM CDT, 5 hours 17 minutes before
TXZ019-019-242230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 410 PM CDT TUE APR 24 1990 ...A TORNADO WATCH IS IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... AT 405 PM WICHITA FALLS RADAR SHOWED A LINE OF THUNDERSTORMS DEVELOPING FROM GAGE OKLAHOMA TO 30 MILES NORTHWEST OF CHILDRESS. INDIVIDUAL SHOWERS AND THUNDERSTORMS WITHIN THIS LINE WERE MOVING TO THE NORTHEAST AT 25 MPH. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED IN SOUTHEAST OKLAHOMA NORTHWEST AND SOUTHEAST OF MCALESTER OKLAHOMA. ELSEWHERE IN TEXAS SCATTERED SHOWERS AND THUNDERSTORMS WERE LOCATED FROM WEST OF TYLER TO EAST OF WACO. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS!.
Special weather statement, Apr 24, 5:05 PM CDT, 4 hours 26 minutes before
TXZ019-019-242330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 505 PM CDT TUE APR 24 1990 ...A TORNADO WATCH IS IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... AT 500 PM WICHITA FALLS RADAR SHOWED A LINE OF THUNDERSTORMS...SOME VERY STRONG STRETCHING ACROSS THE EASTERN TEXAS PANHANDLE FROM LIPSCOMB TO 25 MILES NORTHWEST OF WELLINGTON. ELSEWHERE A FEW SHOWERS AND THUNDERSTORMS WERE DEVELOPING BETWEEN BRECKENRIDGE AND FORT WORTH. OTHER SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO THE EAST OF A BONHAM-CORSICANA LINE. IN OKLAHOMA...A FEW SHOWERS AND THUNDERSTORMS WERE LOCATED AROUND THE MCALESTER AREA. ALL PRECIPITATION MOVING NORTHEAST AT 25 M\PH.
Special weather statement, Apr 24, 5:59 PM CDT, 3 hours 32 minutes before
TXZ019-020-250015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 555 PM CDT TUE APR 24 1990 ...A TORNADO WATCH IS IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... AT 550 PM WICHITA FALLS RADAR SHOWED A FEW VERY STRONG THUNDERSTORMS ACROSS THE EASTERN TEXAS PANHANDLE FROM LIPSCOMB TO 30 MILES NORTHWEST OF WELLINGTON. ELSEWHERE A FEW SHOWERS AND THUNDERSTORMS CONTINUED EAST OF A LAKE TEXOMA ...CORSICANA LINE. OTHER SHOWERS AND THUNDERSTORMS CONTINUED AROUND THE MCALESTER OKLAHOMA AREA. MOVEMENT...NORTHEAST AT 25 MPH.
Special weather statement, Apr 24, 7:01 PM CDT, 2 hours 30 minutes before
TXZ019-020-250115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 700 PM CDT TUE APR 24 1990 ...A TORNADO WATCH IS IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... AT 655 PM WICHITA FALLS RADAR SHOWED AN ISOLATED SEVERE THUNDERSTORM LOCATED NEAR MCLEAN IN WHEELER COUNTY OF THE EASTERN TEXAS PANHANDLE. MOVEMENT WAS TO THE NORTHEAST 20 MPH. ELSEWHERE A FEW SHOWERS AND THUNDERSTORMS CONTINUED BETWEEN ARDMORE AND MCALESTER IN OKLAHOMA.
Special weather statement, Apr 24, 7:58 PM CDT, 1 hour 33 minutes before
TXZ019-020-250215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 800 PM CDT TUE APR 24 1990 ...A TORNADO WATCH IS IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... ATT 755 PM RADAR SHOWED A COUPLE OF SMALL SHOWERS HAVING DEVELOPED IN SOUTHERN OKLAHOMA BETWEEN FREDERICK AND ROOSEVELT. THIS WAS THE ONLY PRECIPITATION BEING DETECTED WITHIN 125 MILES OF WICHITA FALLS. NO MOVEMENT HAS BEEN DETERMINED.
Special weather statement, Apr 24, 8:59 PM CDT, 32 minutes before
TXZ019-020-250315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 900 PM CDT TUE APR 24 1990 ...A TORNADO WATCH IS IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... AT 855 PM CDT RADAR SHOWED AN ISOLATED STRONG THUNDERSTORM HAD DEVELOPED 35 MILES WEST OF CHILDRESS. OTHER VERY STRONG THUNDERSTORMS CONTINUED ACROSS THE NORTHEASTERN TEXAS PANHANDLE. PRECIPITATION MOVING TO THE NORTHEAST AT 20 MPH.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 9:58 PM CDT | Tornado Warning | OUN | Ellis | 32 min |
| Apr 24, 10:29 PM CDT | Tornado Warning | OUN | Ellis | 31 min |
| Apr 24, 10:58 PM CDT | Tornado Warning | OUN | Ellis | 32 min |
| Apr 24, 11:27 PM CDT | Tornado Warning | OUN | Ellis, Harper | 33 min |
| Apr 24, 11:33 PM CDT | Severe Thunderstorm Warning | OUN | Woodward | 42 min |
| Apr 24, 11:58 PM CDT | Tornado Warning | OUN | Harper | 32 min |
| Apr 25, 12:09 AM CDT | Severe Thunderstorm Warning | OUN | Ellis | 51 min |
| Apr 25, 12:14 AM CDT | Severe Thunderstorm Warning | OUN | Woodward | 46 min |
| Apr 25, 12:21 AM CDT | Tornado Warning | OUN | Ellis | 24 min |
| Apr 25, 12:27 AM CDT | Severe Thunderstorm Warning | OUN | Woods | 63 min |
| Apr 25, 12:39 AM CDT | Severe Thunderstorm Warning | OUN | Harper | 36 min |
| Apr 25, 1:36 AM CDT | Severe Thunderstorm Warning | OUN | Ellis | 54 min |
| Apr 25, 12:33 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, McClain | 42 min |
| Apr 25, 12:47 PM CDT | Severe Thunderstorm Warning | OUN | Carter | 43 min |
| Apr 25, 6:28 PM CDT | Flash Flood Warning | OUN | Bryan | 3 hr |
| Apr 25, 6:44 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 46 min |
| Apr 25, 6:51 PM CDT | Severe Thunderstorm Warning | OUN | Marshall | 39 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.