Alert archive / Oklahoma / Flash Flood Warnings in 1986
Flash Flood Warning 33, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Oct 2, 1986, 7:03 PM CDT for Logan County, Oklahoma County, Oklahoma. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Oct 2, 1986, 7:03 PM CDT (00:03 UTC)
- Expired
- Oct 2, 1986, 9:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Logan County, OK, Oklahoma 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 00:00Z, 0.1 hours before the alert went out and 41 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
- 582 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 543 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
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
Local storm report, Oct 2, 3:49 PM CDT, 3 hours 14 minutes before
DELAYED STORM REPORT FROM OCTOBER 1 1986
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
350 PM CDT THU OCT 2 1986
TIME(CDT) COUNTY REPORT
2020 HARMON 3/4 INCH HAIL 15 MILES NORTH OF 'HOLLIS
2020 BECKHAM 3/4 INCH HAIL NEAR ERICK
2210 WOODWARD GOLFBALL-SIZED HAIL 6 MILES SOUTHEAST OF
WOODWARDSpecial weather statement, Oct 2, 3:51 PM CDT, 3 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 350 PM CDT THU OCT 2 1986 ...A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF NORTH CENTRAL TEXAS UNTIL 11 PM CDT...BAYLOR...FOARD...HARDEMAN... KNOX...WICHITA...AND WILBARGER... AT 345 PM THE WICHITA FALLS RADAR SHOWED NUMEROUS SHOWERS AND SCATTERED VERY HEAVY THUNDERSTORMS OCCURRING 40 MILES EITHER SIDE OF A LINE FROM TULSA OKLAHOMA TO LUBBOCK TEXAS. THE ONLY PRECIPITATION OCCURRING IN THIS PORTION OF NORTH TEXAS WAS SCATTERED ACROSS NORTHERN PORTIONS OF HARDEMAN COUNTY. THIS PRECIPITATION WAS ONLY LIGHT IN INTENSITY.. HOWEVER THE POTENTIAL FOR SEVERE WEATHER EXISTS ACROSS THIS PORTION OF NORTH TEXAS FOR TONIGHT AND RESIDENTS ARE URGED TO STAY TUNED TO NOAA WEATHER OR COMMERICAL TV OR RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ADDITIONAL STATEMENTS WILL BE ISSUED THROUGHOUT THE EVENING.
Special weather statement, Oct 2, 4:53 PM CDT, 2 hours 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 450 PM CDT THU OCT 2 1986 ...A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF NORTH CENTRAL TEXAS UNTIL 11 PM CDT...BAYLOR...FOARD...HARDEMAN... KNOX...WICHITA...AND WILBARGER... ...A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR THAT PORTION OF NORTH TEXAS ALONG AND NORTHWEST OF A LINE FROM MONTAGUE TO ABILENE. AT 445 PM CDT THE WICHITA FALLS RADAR SHOWED NUMEROUS SHOWERS AND VERY STRONG THUNDERSTORMS OCCURRING 40 MILES EITHER SIDE OF A LINE FROM LUBBOCK TEXAS TO TULSA OKLAHOMA. NO PRECIPTITATION WAS OCCURRING IN THIS PORTION OF NORTH TEXAS...HOWEVER VERY STRONG THUNDERSTORMS WERE OCCURRING TO THE SOUTHWEST OF CHrILDRESS. THIS ACTIVITY COULD POSSIBLY MOVE INTO WESTERN AND NORTHWESTERN PORTIONS OF HARDEMAN COUNTY DURING THE NEXT HOUR. MOVEMENT OF ALL PRECIPITATION TO THE NORTHEAST AT 30 MPH. ADDITIONAL STATEMENTS WILL BE ISSUED THROUGHOUT THE EVENING.
Special weather statement, Oct 2, 5:52 PM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
545 PM CDT THU OCT 2 1986
...HOW MUCH HAS IT RAINED THIS WEEK IN OKLAHOMA...
WOULD YOU BELIEVE NEARLY 25 INCHES SINCE SUNDAY MORNING...
BASED UPON DAILY RAINFALL REPORTS FROM AN EXTENSIVE NETWORK OF
COOPERATIVE WEATHER OBSERVERS...THE NATIONAL WEATHER SERVICE HAS
RECORDED TWO BANDS OF EXCESSIVE RAINFALL ACROSS OKLAHOMA THIS WEEK.
THESE REPORTS COVER A PERIOD FROM SUNRISE SUNDAY MORNING THROUGH SUNRISE
THIS THURSDAY MORNING.
THE FIRST BAND OF RAINS IN EXCESS OF 12 INCHES WAS ABOUT 15 MILES WIDE
AND EXTENDED FROM NORTHERN CANADIAN COUNTY SOUTH OF OKARCHE NORTHEAST
ACROSS GUTHRIE TO THE WEST SIDE OF THE KEYSTONE RESERVOIR.
A SECOND BAND OF RAINS IN EXCESS OF ONE FOOT WAS ABOUT 20 MILES WIDE
AND EXTENDED FROM NORTHWESTERN NOBLE COUNTY INTO CENTRAL KAY COUNTY.
THE CITIES OF TONKAWA..BLACKWELL AND NEWKIRK LAY IN THE MIDST OF THIS
SECOND BAND.
AS IF THIS RAIN WERE NOT ENOUGH TO SET RECORDS AND CAUSE WIDESPREAD
FLOODS...TODAY BROUGHT ADDITIONAL RAINS IN EXCESS OF 5 INCHES ACROSS THE
SAME TWO AREAS. BASED UPON RADAR ESTIMATES FROM OKLAHOMA CITY...RAINS OF
5 TO 8 INCHES FELL IN AN AREA 15 MILES WIDE FROM NEAR EL RENO TO BETWEEN
CRESENT AND GUTHRIE TO JUST WEST OF LAKE CARL BLACKWELL. A SECOND AREA
OF 5 INCH RAINS IS NOW ON THE GROUND IN A BAND ACROSS CENTRAL KAY COUNTY
FROM BLACKWELL NORTHEAST TO THE KANSAS BORDER.
THUS..UP TO 5PM THIS AFTERNOON..THE WEST CENTRAL PORTION OF LOGAN COUNTY
BETWEEN CASHION..GUTHRIE..AND CRESENT AND THE NORTH CENTRAL PORTION OF
KAY COUNTY FROM BLACKWELL TO NEWKIRK...HAVE BOTH RECORDED RAINFALLS THAT
APPROACH 25 INCHES IN TOTAL ACCUMULATIONS.
WITH NEARLY A YEARS WORTH OF RAIN ON THE GROUND THIS WEEK AND MORE TO
COME TONIGHT...RESIDENTS OF NORTH CENTRAL OKLAHOMA SHOULD PREPARE FOR
HISTORIC FLOODS TONIGHT.Special weather statement, Oct 2, 5:57 PM CDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 550 PM CDT THU OCT 2 1986 ...A TORNADO WATCH IS IN EFFECT FOR WICHITA AND THE COUNTIES TO THE SOUTHWEST AND WEST UNTIL 11 PM... ...A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR MUCH OF THE AREA TONIGHT... AT 545 PM CDT THE WICHITA FALLS RADAR SHOWED NUMEROUS SHOWERS AND VERY STRONG THUNDERSTORMS CONTINUING 40 MILES EITHER SIDE OF A LINE FROM TULSA TO SOUTH OF LUBBOCK. IN THIS PORTION OF NORTH TEXAS...ONLY LIGHT RAIN WAS INDICATED OVER PORTIONS OF EXTREME NORTHWESTERN HARDEMAN COUNTY. HOWEVER A VERY STRONG THUNDERSTORM WAS LOCATED JUST EAST OF CHILDRESS. THIS STORM COULD POSSIBLY MOVE ACROSS EXTREME NORTHWESTERN HARDEMAN C8OUNTY DURING THE NEXT HALF HOUR. MOVMENT OF ALL PRECIPITATION CONTINUED TO THE NORTHEAST AT 30 MPH.
Special weather statement, Oct 2, 6:49 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 650 PM CDT THU OCT 2 1986 ...A TORNADO WATCH IS IN EFFECT FOR WICHITA AND THE COUNTIES TO THE SOUTHWEST AND WEST UNTIL 11 PM... ...A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR MUCH OF THE AREA TONIGHT... AT 645 PM CDT THE WICHITA FALLS RADAR SHOWED NUMEROUS SHOWERS AND VERY STRONG THUNDERSTORMS BLANKETING MUCH OF WESTERN OKLAHOMA...THE SOUTH EASTERN AND EASTERN TEXAS PANHANDLE ASa WELL AS MUCH OF TEXAS SOUTH PLAINS. MOVEMENT...NORTHEAST AT 30 MPH.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 8:09 PM CDT | Flash Flood Warning | OUN | Payne | 81 min |
| Oct 2, 8:50 PM CDT | Flash Flood Warning | OUN | Logan, Noble, Payne | 5 hr |
| Oct 2, 8:50 PM CDT | Flash Flood Warning | OUN | Canadian, Cleveland, Kingfisher, Oklahoma | 5 hr |
| Oct 2, 8:50 PM CDT | Flash Flood Warning | OUN | Greer, Harmon, Jackson, Kiowa | 5 hr |
| Oct 2, 8:50 PM CDT | Flash Flood Warning | OUN | Beckham, Custer, Washita | 5 hr |
| Oct 2, 8:50 PM CDT | Flash Flood Warning | OUN | Caddo, Grady, McClain | 5 hr |
| Oct 2, 8:50 PM CDT | Flash Flood Warning | OUN | Blaine, Dewey, Garfield, Major | 5 hr |
| Oct 2, 8:50 PM CDT | Flash Flood Warning | OUN | Kay | 5 hr |
| Oct 3, 2:15 AM CDT | Flash Flood Warning | OUN | Blaine, Garfield, Kingfisher, Major | 4 hr |
| Oct 3, 2:15 AM CDT | Flash Flood Warning | OUN | Caddo, Canadian, Comanche, Grady, Kiowa | 4 hr |
| Oct 3, 2:15 AM CDT | Flash Flood Warning | OUN | Grant, Kay, Noble | 4 hr |
| Oct 3, 2:15 AM CDT | Flash Flood Warning | OUN | Cotton, Tillman | 4 hr |
| Oct 3, 2:15 AM CDT | Flash Flood Warning | OUN | Logan | 4 hr |
Nearby
Flash Flood Warnings in Oklahoma, 1986Every flash flood warning in 1986
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.