Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 21, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Mar 27, 1989, 5:05 PM CST for Custer County, Washita County, Oklahoma. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Mar 27, 1989, 5:05 PM CST (23:05 UTC)
- Expired
- Mar 27, 1989, 6:00 PM CST
- In force
- 55 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Custer County, OK, Washita 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
Ok Cty/Will Rgrs, OK (KOKC), launched 12:00Z, 11.1 hours before the alert went out and 127 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
- 105 J/kg
- Mixed-layer CIN
- -260 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 272304 SVROKC OKC039-149-280000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 505 PM CST MON MAR 27 1989 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CST FOR THE FOLLOWING OKLAHOMA LOCATIONS... IN NORTHWEST OKLAHOMA ...CUSTER COUNTY IN SOUTHWEST OKLAHOMA ...NORTHERN WASHITA COUNTY AT 4:58 PM CST RADAR INDICATED AN AREA OF SEVERE THUNDERSTORMS ALONG THE WASHITA - CUSTER COUNTY LINE. GOLFBALL SIZE HAIL HAS BEEN REPORTED FROM THESE STORMS IN FOSS. THE COMMUNITIES OF FOSS AND STAFFORD ARE IN THE PATH OF THESE STORMS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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, Mar 27, 12:05 PM CST, 5 hours before
THE OKLAHOMA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1200 NOON CST MON MAR 27 1989 ...REFER TO TORNADO WATCH NUMBER 51 VALID UNTIL 500 PM... OTHERWISE THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS OVER SOUTHERN OKLAHOMA GENERALLY SOUTH OF A LINE FROM 30 MILES NORTHWEST OF SAYRE TO EDMOND TO THE RED RIVER SOUTHEAST OF HUGO. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE REMAINDER OF OKLAHOMA WITH THE EXCEPTION OF CIMARRON AND TEXAS COUNTIES OF THE PANHANDLE. VERY MOIST AND RELATIVELY UNSTABLE AIR REMAINS IN PLACE OVER OKLAHOMA FOLLOWING LAST NIGHTS THUNDERSTORMS. THE DEEP MOIST LAYER HAS BEEN PULLED NORTHWARD INTO THE SOUTHERN PLAINS BY A STRONG UPPER LEVEL TROUGH OF LOW PRESSURE THAT WAS LOCATED OVER WESTERN NEW MEXICO THIS MORNING. AT MID MORNING A WARM FRONT STRETCHED IN AN EAST TO WEST LINE ALONG THE RED RIVER FROM NEAR CHILDRESS TEXAS TO SOUTHEAST OKLAHOMA WHILE THE DRY LINE EXTENDED FROM THE CENTRAL OKLAHOMA PANHANDLE TO NEAR THE SOUTHEAST CORNER OF NEW MEXICO. HEAVY THUNDERSTORMS HAD DEVELOPED BY LATE MORNING IN THE EASTERN PART OF THE TEXAS PANHANDLE. THIS AFTERNOON AND TONIGHT THE WARM FRONT IS FORECAST TO MOVE SLOWLY NORTHWARD INTO SOUTHERN OKLAHOMA...WHILE ALOFT THE ATMOSPHERE COOLS SLIGHTLY AS THE DEEP TROUGH TO THE WEST INCHES CLOSER...THESE TWO DEVELOPMENTS ARE EXPECTED TO RESULT IN EXTREMELY UNSTABLE CONDITIONS THIS AFTERNOON...ESPECIALLY IN SOUTHWEST AND SOUTH CENTRAL OKLAHOMA. IT IS LIKELY THAT THUNDERSTORMS WHICH MOVE NORTHWARD INTO THIS UNSTABLE AIR WILL INTENSIFY RAPIDLY THIS AFTERNOON. SPOTTER NETWORKS AND ALL EMERGENCY MANAGEMENT AGENCIES ARE URGED TO MAINTAIN A HIGH STATE OF READINESS THIS AFTERNOON AND TONIGHT. PERSONS IN OR NEAR THE TORNADO WATCH AREA...AND INDEED PERSONS IN ALL SECTIONS OF THE STATE SHOULD KEEP INFORMED OF THE LATEST STATEMENTS AND WARNINGS CONCERNING THIS POTENTIALLY DANGEROUS SEVERE WEATHER SITUATION.
Special weather statement, Mar 27, 12:25 PM CST, 4 hours 40 minutes before
NATIONAL WEATHER SERVICE WICHITA FALLS TX 1225 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 1215 PM RADAR INDICATED THAT A LARGE AREA OF SHOWERS AND THUNDERSTORMS WERE NORTH OF THE RED RIVER IN WESTERN OKLAHOMA. HAIL HAS BEEN REPORTED WITH SOME OF THE THUNDERSTORMS IN WESTERN OKLAHOMA AND ALL THUNDERSTORMS THAT DEVELOP THIS AFTERNOON COULD CAUSE HEAVY RAIN..HAIL AND GUSTY WINDS AND TORNADO ACTIVITY IS POSSIBLE. A FEW THUNDERSTORMS ALSO CONTINUE IN THE TEXAS PANHANDLE AND EXTEND SOUTHWARD TO SOUTH OF LUBBOCK. PERSONS SHOULD CONTINUE TO MONITOR THE NATIONAL WEATHER SERVICE RADIO AND NEWS MEDIA TO KEEP INFORMED ON THE THUNDERSTORMS THAT ARE EXPECTED TO DEVELOP THIS AFTERNOON ACROSS NORTH TEXAS AND SOUTHERN OKLAHOMA.
Special weather statement, Mar 27, 2:17 PM CST, 2 hours 48 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, 2 hours 27 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, 1 hour 32 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, 29 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, 12:21 PM CST | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woodward | 69 min |
| Mar 27, 12:30 PM CST | Severe Thunderstorm Warning | OUN | Greer, Harmon | 45 min |
| Mar 27, 12:47 PM CST | Severe Thunderstorm Warning | OUN | Dewey, Woodward | 43 min |
| Mar 27, 12:47 PM CST | Severe Thunderstorm Warning | OUN | Custer | 43 min |
| Mar 27, 1:05 PM CST | Severe Thunderstorm Warning | OUN | Beckham, Greer | 55 min |
| Mar 27, 1:15 PM CST | Severe Thunderstorm Warning | OUN | Woods | 45 min |
| Mar 27, 1:18 PM CST | Tornado Warning | OUN | Greer | 42 min |
| Mar 27, 1:48 PM CST | Tornado Warning | OUN | Beckham, Greer | 42 min |
| Mar 27, 2:22 PM CST | Tornado Warning | OUN | Beckham, Custer, Washita | 38 min |
| Mar 27, 2:49 PM CST | Severe Thunderstorm Warning | OUN | Blaine, Custer | 41 min |
| Mar 27, 3:37 PM CST | Severe Thunderstorm Warning | OUN | Blaine, Custer, Dewey | 53 min |
| Mar 27, 4:31 PM CST | Severe Thunderstorm Warning | OUN | Blaine, Custer | 59 min |
| Mar 27, 4:31 PM CST | Severe Thunderstorm Warning | OUN | Major | 59 min |
| Mar 27, 5:21 PM CST | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 69 min |
| Mar 27, 5:49 PM CST | Severe Thunderstorm Warning | OUN | Blaine | 41 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1989Every severe thunderstorm 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.