Alert archive / Oklahoma / Flash Flood Warnings in 1989
Flash Flood Warning 1, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Mar 27, 1989, 6:40 PM CST for Blaine County, Oklahoma. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Mar 27, 1989, 6:40 PM CST (00:40 UTC)
- Expired
- Mar 27, 1989, 9:00 PM CST
- In force
- 2 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Blaine 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
Norman, OK (KOUN), launched 00:00Z, 0.7 hours before the alert went out and 118 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
- 1241 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 295 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 8.7
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, Mar 27, 2:17 PM CST, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 215 PM CST MON MAR 27 1989 A TORNADO WATCH CONTINUES IN EFFECT UNTIL 5 PM FOR A PORTION OF NORTHWEST TEXAS WHICH INCLUDES THE COUNTIES OF HARDEMAN..FOARD.. KNOX AND WILBARGER. AT 2 PM RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER THE WESTERN THIRD OF OKLAHOMA. ACTIVITY GENERALLY TO THE WEST OF A LINE FROM WEST OF PONCA CITY..20 EAST OF HOBART..VERNON TEXAS TO WEST OF SNYDER. A TORNADO WAS REPORTED JUST WEST OF MANGUM IN SOUTHWESTERN OKLAHOMA BETWEEM 115 AMD 130 PM. LARGE HAIL HAS ALSO BEEN REPORTED WITH THE THUNDERSTORMS IN WESTERN OKLAHOMA. A FEW SHOWERS AND THUNDERSTORMS ARE BEGINNING TO DEVELOP OVER NORTHWEST TEXAS. DUE TO THE VERY MOIST AND UNSTABLE AIR TODAY ALL THUNDERSTORMS HAVE THE CAPABILITY OF PRODUCING LARGE HAIL..HEAVY RAIN..STRONG WINDS AND POSSIBLE TORNADOES. KEEP TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
Local storm report, Mar 27, 2:38 PM CST, 4 hours 2 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
240 PM CST MON MAR 27 1989
TIME COUNTY EVENT
1222 PM ELLIS 60 MPH WIND AT GAGE
1227 PM WOODWARD HIGH WINDS DAMAGED MOBILE HOMES 1 MILE WEST
OF WOODWARD. ROOFS ALSO BLOWN OFF HOUSES IN
THE SAME AREA.
1240 PM HARMON 3/4 INCH DIAMETER HAIL IN VINSON
115 PM GREER SMALL TORNADO TOUCHED DOWN 4 1/2 MILES WEST
OF MANGUM
120 PM GREER SMALL TORNADO TOUCHED DOWN AGAIN 8 MILES WEST
AND TWO MILES NORTH OF MANGUM. A BARN WAS
DESTROYED 72 MILES EAST AND 1/2 MILE NORTH OF
REED.
125 PM WOODS HIGH WINDS BLEW DOWN TREE LIMBS UP TO 8
INCHES IN DIAMETER 16 MILES WEST AND 4 MILES
SOUTH OF ALVA.Special weather statement, Mar 27, 3:33 PM CST, 3 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 330 PM CST MON MAR 27 1989 A TORNADO WATCH HAS BEEN ISSUED UNTIL 9 PM FOR...ARCHER...HARDEMAN... MONTAGUE...YOUNG...BAYLOR...CLAY...JACK...FOARD...WILBARGER...KNOX... AND WICHITA COUNTIES. A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. AT 330 PM RADAR SHOWS THUNDERSTORMS FROM NEAR CHILDRESS TO WEMST OF BENJAMIN. OTHER SHOWERS AND THUNDERSTORMS WERE IN SOUTHWEST OKLAHOMA AND EAST AND SOUTH OF BOWIE. MOVEMENT WAS NORTH AT 25 MPH. KEEP TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION.
Special weather statement, Mar 27, 4:36 PM CST, 2 hours 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 435 PM CST MON MAR 27 1989 ...A TORNADO WATCH IS IN EFFECT FOR WICHITA AND THE SURROUNDING COUNTIES UNTIL 9 PM...EXCEPT FOR JACK AND YOUNG COUNTIES FOR WHICH A TORNADO WATCH IS IN EFFECT UNTIL 11 PM... AT 425 PM THE WICHITA FALLS RADAR SHOWED VERY STRONG THUNDERSTORMS BEGINNING TO DEVELOP OVER WESTERN PORTIONS OF HARDEMAN...FOARD AND KNOX COUNTIES. THE STRONGEST STORMS IN THIS AREA WERE LOCATED 8 MILES WEST SOUTHWEST OF CROWELL AND 10 MILES WEST OF BENJAMIN. A SEVERE THUNDERSTORM WAS LOCATED TO THE WEST OF THESE STORMS IN NORTHERN KING COUNTY. ALL THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MPH. RESIDENTS ACROSS THIS PORTION OF NORTH TEXAS SHOULD BE AWARE OF THIS POTENTIALLY DANGEROUS WEATHER SITUATION AND BE READY TO TAKE QUICK ACTION SHOULD A WARNING BE ISSUED OR IF SEVERE WEATHER IS SIGHTED. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 6:33 PM CST | Severe Thunderstorm Warning | OUN | Jackson | 42 min |
| Mar 27, 7:11 PM CST | Severe Thunderstorm Warning | OUN | Blaine, Caddo | 34 min |
| Mar 27, 7:16 PM CST | Severe Thunderstorm Warning | OUN | Jackson | 44 min |
| Mar 27, 7:41 PM CST | Severe Thunderstorm Warning | OUN | Caddo, Canadian | 34 min |
| Mar 27, 9:36 PM CST | Severe Thunderstorm Warning | OUN | Comanche, Grady | 54 min |
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.