Alert archive / Oklahoma / Flash Flood Warnings in 1989
Flash Flood Warning 14, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jun 11, 1989, 1:02 AM CDT for Grant County, Oklahoma. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 11, 1989, 1:02 AM CDT (06:02 UTC)
- Expired
- Jun 11, 1989, 5:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Grant 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, 6.0 hours before the alert went out and 216 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
- 2178 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
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 flash flood 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, Jun 10, 7:25 PM CDT, 5 hours 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 725 PM CDT SAT JUN 10 1989 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE FOLLOWING NORTH CENTRAL TEXAS COUNTIES UNTIL 10 PM CDT...ARCHER...BAYLOR...CLAY... FOARD...HARDEMAN...JACK...KNOX...MONTAGUE...WICHITA...WILBARGER AND YOUNG. THE THUNDERSTORM COMPLEX SOUTH AND WEST OF WICHITA FALLS HAS SLOWED AND WEAKENED IN THE LAST HOUR. THE LEADING EDGE OF THIS LARGE PRECIPITATION SHIELD WAS OCCURRING NEAR BREAKENRIDGE...THROCKMORTON...HASKELL...GUTHRIE AND PAHUCAH. MOVEMENT WAS NORTH AT 10 TO 15 MPH. THE HEAVIEST THUNDERSTORMS WERE OBSERVED BY THE WICHITA FALLS RADAR WEST OF HASKELL TO GUTHRIE AND MATADOR. IF CURRENT TRENDS CONTINUE...THE WICHITA FALLS AREA MAY ONLY RECEIVE PERIODS OF RAINSHOWERS TOWARDS 9PM CDT. TOMORROW...THUNDERSTORMS MAY DEVELOP CLOSER TO THE LOCAL AREA. OUTFLOW WIND FROM THE CURRENT ACTIVITY MAY ACT AS A FOCAL POINT FOR FUTURE THUNDERSTORM DEVELOPMENT ON SUNDAY.
Special weather statement, Jun 10, 8:27 PM CDT, 4 hours 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 825 PM CDT SAT JUN 10 1989 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE FOLLOWING NORTH CENTRAL TEXAS COUNTIES UNTIL 10 PM CDT...ARCHER...BAYLOR...CLAY... FOARD...HARDEMAN...JACK...KNOX...MONTAGUE...WICHITA...WILBARGER AND YOUNG. THE THUNDERSTORM COMPLEX SOUTH AND WEST OF WICHITA FALLS HAS SLOWED AND WEAKENED IN THE LAST HOUR. SOME HEAVY THUNDERSTORMS HAVE DEVELOPED IN FOARD AND HARDEMAN COUNTY AND PRODUCING PERIODS OF HEAVY RAIN. THE ACTIVITY WAS MOVING TO THE NORTHEAST AT 15 MILES AN HOUR. A RAIN SHIELD CONTINUED TO THE SOUTH AND WEST OF WICHITA FALLS AND IF IT CONTINUES TO THE MORTH MAY MOVE INTO THE WICHITA F9ALLS AREA IN A COUPLE HOURS.
Special weather statement, Jun 10, 9:33 PM CDT, 3 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 930 PM CDT SAT JUN 10 1989 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE FOLLOWING NORTH CENTRAL TEXAS COUNTIES UNTIL 10 PM CDT...ARCHER...BAYLOR...CLAY... FOARD...HARDEMAN...JACK...KNOX...MONTAGUE...WICHITA...WILBARGER AND YOUNG. SCATTERED THUNDERSTORMS AND RAIN SHOWERS CONTINUE TO THE SOUTH AND WEST OF THE WICHITA FALLS AREA. THE HEAVIEST THUNDERSTORMS AND RAIN SHOWERS ARE LOCATED ALONG A LINE FROM QUANAH TO JUST SOUTH OF VERNON TO ARCHER CITY. THE ACTIVITY HAS BEEN MOVING SLOWLY TO THE NORTH. A RAIN SHIELD CONTINUED TO THE SOUTH AND WEST OF WICHITA FALLS AS FAR SOUTH AS ABILENE TO WACO AND CONTINUES TO MOVE SLOWLY TO THE NORTH. IT COULD PRODUCE AN INCH OF MORE OF RAIN IN SOME AREAS BEFORE THE NIGHT IS OVER. STAY TUNED FOR LATER STATEMENTS ON THIS WEATHER SITUATION.
Special weather statement, Jun 10, 10:12 PM CDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1000 PM CDT SAT JUN 10 1989 SEVERE THUNDERSTORMS ERUPTED OVER SECTIONS OF OKLAHOMA AND ARE CONTINUING THIS EVENING. HEAVY RAINFALL AND HAIL HAVE BEEN REPORTED WITH THESE THUNDERSTORMS AND THESE CONDITIONS ARE EXPECTED TO CONTINUE INTO THE NIGHTTIME HOURS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF THE STATE UNTIL 3 AM SUNDAY MORNING. THE WATCH AREA COVERS A LARGE PART OF THE STATE. A FLASH FLOOD WATCH WILL BE ISSUED FOR MUCH OF THE WEST AND NORTH SECTIONS OF THE STATE. THE THUNDERSTORMS ARE PRODUCING LOCALLY HEAVY RAINFALL WITH RADAR INDICATIONS OF UP TO 5 INCHES IN 3 HOURS OCCURRING IN GRANT COUNTY AND NEAR 3 INCHES IN 3 HOURS IN WOODS COUNTY. FLOODING HAS OCCURRED OVER NORTHERN WASHINGTON COUNTY. CONDITIONS APPEAR FAVORABLE FOR THUNDERSTORM ACTIVITY TO CONTINUE INTO THE NIGHT. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR LATEST WATCHES...WARNINGS AND INFORMATION.
Local storm report, Jun 10, 10:48 PM CDT, 2 hours 14 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 7:59 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 46 min |
| Jun 10, 8:26 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 49 min |
| Jun 10, 8:32 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 43 min |
| Jun 10, 8:59 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 61 min |
| Jun 10, 9:12 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 63 min |
| Jun 10, 9:14 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 61 min |
| Jun 10, 9:17 PM CDT | Severe Thunderstorm Warning | OUN | Jackson | 58 min |
| Jun 10, 9:58 PM CDT | Flash Flood Warning | OUN | Grant | 3 hr |
| Jun 10, 9:59 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 61 min |
| Jun 10, 10:15 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 75 min |
| Jun 10, 10:36 PM CDT | Flash Flood Warning | OUN | Woods | 3 hr |
| Jun 10, 10:56 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 64 min |
| Jun 10, 11:59 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 61 min |
| Jun 11, 5:04 AM CDT | Flash Flood Warning | OUN | Grant | 3 hr |
Nearby
Flash Flood Warnings in Oklahoma, 1989Every flash flood warning in 1989
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.