Alert archive / Oklahoma / Tornado Warnings in 1990
Tornado Warning 23, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Apr 25, 1990, 12:21 AM CDT for Ellis County, Oklahoma. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- Apr 25, 1990, 12:21 AM CDT (05:21 UTC)
- Expired
- Apr 25, 1990, 12:45 AM CDT
- In force
- 24 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.
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 5.4 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 250522 TOROKC OKC045-250545- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1221 AM CDT WED APR 25 1990 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1245 AM CDT FOR THE FOLLOWING OKLAHOMA LOCATIONS... IN NORTHWEST OKLAHOMA ...ELLIS COUNTY AT 1221 AM A TORNADO WAS INDICATED 4 MILES WEST OF SHATTUCK MOVING NORTH-NORTHEAST AT 20 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
What forecasters said that day
The local office's own words before this tornado 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, 7:58 PM CDT, 4 hours 23 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, 3 hours 22 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.
Special weather statement, Apr 24, 10:00 PM CDT, 2 hours 21 minutes before
TXZ019-020-250415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 1000 PM CDT TUE APR 24 1990 ...A TORNADO WATCH CONTINUES IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... AT 955 PM CDT RADAR SHOWED AN ISOLATED VERY STRONG THUNDERSTORM 30 MILES TO THE NORTHWEST OF CHILDRESS. A SEVERE THUNDERSTORM WAS ALSO LOCATED ALONG TEXAS-OKLAHOMA BORDER SOUTH OF GAGE. PRECIPITATION MOVING TO THE NORTHEAST AT 20 MPH.
Special weather statement, Apr 24, 10:03 PM CDT, 2 hours 18 minutes before
TXZ019-020-250415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 1000 PM CDT TUE APR 24 1990 ...A TORNADO WATCH CONTINUES IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 11 PM CDT... AT 955 PM CDT RADAR SHOWED AN ISOLATED VERY STRONG THUNDERSTORM 30 MILES TO THE NORTHWEST OF CHILDRESS. A SEVERE THUNDERSTORM WAS ALSO LOCATED ALONG THE TEXAS-OKLAHOMA BORDER SOUTH OF GAGE. PRECIPITATION MOVING TO THE NORTHEAST AT 20 MPH.
Special weather statement, Apr 24, 10:49 PM CDT, 1 hour 32 minutes before
TXZ019-020-250515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 1045 PM CDT TUE APR 24 1990 ...A TORNADO WATCH IS IN EFFECT FOR FOARD AND HARDEMAN COUNTIES UNTIL 5 AM CDT WEDNESDAY... AT 1040 PM CDT RADAR SHOWED SHOWERS AND VERY STRONG THUNDERSTORMS INCREASING OVER WESTERN OKLAHOMA AND ACROSS THE EASTERN TEXAS PANHANDLE GENERALLY 40 MILES EITHER SIDE OF A LINE FROM MEMPHIS TEXAS TO NORTH OF GAGE OKLAHOMA. PRECIPITATIOND MOVING TO THE NORTHEAST AT 20 MPH.
Local storm report, Apr 24, 11:09 PM CDT, 1 hour 12 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1105PM CDT TUE APR 24 1990
...DELAYED REPORTS FROM THE EVENING OF APRIL 23 AND THE MORNING OF
APRIL 24TH...
TIME(CDT) COUNTY EVENT
1005PM CUSTER DIME SIZE HAIL 6W AND 1N OF CUSTER CITY
1010PM DEWEY NICKEL SIZE HAIL 3 EAST OF VICI
1050PM BLAINE NICKEL SIZE HAIL 13 WSW OF GEARY
1100PM DEWEY DIME SIZE HAIL 2 SOUTH AND 3 WEST OF OAKWOOD
1240AM KINGFISHER DIME TO NICKEL SIZE HAIL 4 WEST AND 1 NORTH OF
OKARCHEThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 9:31 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 59 min |
| 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, 12:27 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
Tornado Warnings in Oklahoma, 1990Every tornado warning in 1990Tornadoes 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; the sounding from the Mesonet's radiosonde archive.