Alert archive / Oklahoma / Flash Flood Warnings in 1986

Flash Flood Warning 9, NWS Norman, OK

June 14, 1986Garfield County, Kingfisher County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 14, 1986, 4:48 PM CDT for Garfield County, Kingfisher County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 14, 1986, 4:48 PM CDT (21:48 UTC)
Expired
Jun 14, 1986, 8:00 PM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Whole counties

Counties Garfield County, OK, Kingfisher 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, 9.8 hours before the alert went out and 88 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.

Skew-T log-pSkew-T log-p diagram, Ok Cty/Will Rgrs, OK at 12:00Z on 1986-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 930 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Ok Cty/Will Rgrs, OK at 12:00Z on 1986-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
930 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAAOO KOKC 142148
FFWOKC
OKC073-047-103-150100-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
448 PM CDT SAT JUN 14 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL  800 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN CENTRAL OKLAHOMA
          ..NOBLE..NORTHERN KINGFISHER..SOUTHEASTERN GARFIELD

SLOW MOVING VERY HEAVY THUNDERSTORMS HAVE PRODUCED HEAVY RAINFALL
OVER PORTIONS OF KINGFISHER..GARFIELD..AND NOBLE COUNTIES. COMPUTER
ESTIMATES INDICATE IN EXCESS OF 4 INCHES OF RAIN HAS FALLEN IN THE
AREA IN THE LAST 3 HOURS. FLASH FLOODING OF LOW LYING AREAS AND
CREEKS IN PARTICULAR RED ROCK AND SKINNY CREEKS IN NOBLE
COUNTY..OTTER CREEK IN GARFIELD COUNTY..AND SPRING CREEK IN
KINGFISHER COUNTY.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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 14, 2:57 PM CDT, 1 hour 51 minutes before
OKLAHOMA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
300 PM CDT SAT JUN 14 1986

   A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHERN
OKLAHOMA UNTIL 9PM THIS EVENING. OTHERWISE THERE IS A CHANCE FOR
THUNDERSTORMS OVER ALL OF OKLAHOMA EXCEPT FOR THE SOUTHEAST.

   WARM MOIST AIR HAS SPREAD ACROSS THE STATE WHILE A WEAK SURFACE
TROUGH EXTENDS FROM NORTHEAST KANSAS TO SOUTHWEST OKLAHOMA.
CONDITIONS IN THE ATMOSPERE ABOVE US ARE CERTAINLY UNSTABLE AND
WILL ENHANCE LIFTING OF THE MOISTURE. THIS SITUATION HAS ALREADY
TRIGGERED THUNDERSTORMS OF WHICH A FEW HAVE BEEN SEVERE.

   THE UPPER LEVEL WINDS ARE NOT VERY STRONG..THUS THE STORMS WILL
NOT MOVE VERY FAST. THIS WILL ALLOW VERY HEAVY RAINFALL TO STAY
OVER AN AREA LONGER THAN NORMAL WHICH COULD CAUSE LOCALIZED FLOODING.
THE SURFACE TEMPERATURES ARE ALSO WARMING INTO THE 90S AND WITH
THE RAIN COOLED AIR FROM THE THUNDERSTORMS.. WINDS COULD REACH 60 TO
70 MP;H.

   WE DO NOT EXPECT TORNADO ACTIVITY..ONLY LARGE HAIL, STRONG WINDS,
AND VERY HEAVY RAINFALL FROM SOME OF THESE THUNDERSTORMS. THE
GREATEST THREAT OF THUNDERSTORMS IS WEST OF A LINE FROM FORT SMITH TO
DURANT.

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 1:23 PM CDTSevere Thunderstorm WarningOUNKay37 min
Jun 14, 1:50 PM CDTSevere Thunderstorm WarningOUNGarfield, Kingfisher40 min
Jun 14, 2:05 PM CDTSevere Thunderstorm WarningOUNKay, Noble55 min
Jun 14, 2:28 PM CDTSevere Thunderstorm WarningOUNKingfisher62 min
Jun 14, 2:59 PM CDTSevere Thunderstorm WarningOUNWoodward61 min
Jun 14, 2:59 PM CDTSevere Thunderstorm WarningOUNGarfield61 min
Jun 14, 3:26 PM CDTSevere Thunderstorm WarningOUNKingfisher64 min
Jun 14, 3:42 PM CDTSevere Thunderstorm WarningOUNHarper48 min
Jun 14, 4:27 PM CDTSevere Thunderstorm WarningOUNKingfisher63 min
Jun 14, 4:48 PM CDTFlash Flood WarningOUNNoble3 hr
Jun 14, 5:03 PM CDTSevere Thunderstorm WarningOUNLincoln, Oklahoma57 min
Jun 14, 5:08 PM CDTSevere Thunderstorm WarningOUNCanadian67 min
Jun 14, 6:06 PM CDTSevere Thunderstorm WarningOUNEllis54 min
Jun 14, 6:12 PM CDTSevere Thunderstorm WarningOUNCanadian48 min

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.