Alert archive / Oklahoma / Flash Flood Warnings in 1986
Flash Flood Warning 3, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at May 14, 1986, 9:50 PM CDT for Lincoln County, Logan County, Oklahoma. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 14, 1986, 9:50 PM CDT (02:50 UTC)
- Expired
- May 15, 1986, 12:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Lincoln County, OK, Logan 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, 2.8 hours before the alert went out and 60 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 779 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 150153 FFWOKC OKC109-083-OK081-150500- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 950 PM CDT WED MAY 14 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING FOR PERSONS IN THE FOLLOWING COUNTIES OF CENTRAL OKLAHOMA EFFECTIVE UNTIL MIDNIGHT... OKLAHOMA AND SOUTHERN LOGAN AND LINCOLN THREE TO 5 INCHES OF RAIN HAS FALLEN ACROSS CENTRAL OKLAHOMA THIS AFTERNOON AND EVENING. ADDITIONAL HEAVY RAINFALL IS MOVING INTO THESE AREAS AND WILL CAUSE LOCAL FLOODING. FLOODING HAS BEEN REPORTED IN SEVERAL AREAS AND MANY STREETS AND ROADS HAVE BEEN CLOSED DUE TO HIGH WATER. RESIDENTS IN THESE AREA ARE ADVISED TO ACT IMMEDIATELY. MOTORISTS ARE URGED TO USE EXTREME CAUTION - DO NOT DRIVE OFF INTO WATER THAT YOU ARE NOT SURE OF THE DEPTH. IN FACT DO NOT ATTEMPT TO DRIVE AT ALL UNLESS ABSOLUTELY NECESSARY. IF YOU ARE IN A SAFE PLACE STAY THERE. MOST FLOOD DEATHS ARE AUTO RELATED. A FLnASH FLOOD WATCH IS IN EFFECT TONIGHT FOR MOST OF CENTRAL.. WESTERN.. AND NORTHERN OKLAHOMA. STAY TUNED FOR LATER STATEMENTS AND BE READY FOR QUICK ACTION IF FLOODING OCCURS OR ADDITIONAL WARNINGS ARE ISSUED.
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, May 14, 9:01 PM CDT, 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 852 PM CDT WED MAY 14 1986 TORNADO WATCH NUMBER 162 WHICH COVERED PORTIONS OF SOUTHERN OKLAHOMA UNTIL 9 PM HAS BEEN EXTENDED UNTIL 11 PM CDT FOR THE FOLLOWING COUNTIES IN SOUTHWEST OKLAHOMA: TILLMAN COMANCHE STEPHENS JEFFERSON COTTON AND GARVIN. STRONG THUNDERSTORMS ARE CONTINUING IN THE FORT SILL TO FREDERICK AREA AND ARE EXPECTED TO MOVE EASTWARD OUT OF SOUTHWEST OKLAzHOMA BY 11 PM.
Local storm report, May 14, 9:29 PM CDT, 21 minutes before
KOKC 131716
STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
930 PM CDT WED MAY 14 1986
REPORTS FOR TODAY WEDNESDAY MAY 14, 1986
TIME COUNTY EVENT
1128 AM CANADIAN DIME SIZE HAIL 6 MILES NORTH OF EL RENO
1115 AM OKLAHOMA NICKLE SIZE HAIL WARR ACRES
1135 AM OKLAHOMA DIME SIZE HAIL 1 BLOCK EAST OF OVERHOLSER
DAM AND NICKLE SIZE AT PENN SQUARE.
1140 AM OKLAHOMA DIME SIZE HAIL HEIFNER LAKE
1150 AM OKLAHOMA DIME SIZE HAIL AT EDMOND ROAD AND WESTERN
.
1150 AM CADDO GOLFBALL SIZE HAIL JUST SOUTH OF HYDRO
1158 AM WOODWARD 3/4 INCH HAIL AT WOODWARD
1205 PM LOGAN DIME SIZE HAIL 4 SOUTH OF GUTHRIE
1212 PM LOGAN DIME SIZE HAIL AT CRESENT
1102 AM ELLIS 3/4 INCH HAIL BETWEEN 1102 THRU 1118
1241 PM WOODS GOLFBALL SIZE HAIL 3 EAST OF WAYNOKA
114 PM CANADIAN GOLFBALL SIZE HAIL 8 WEST OF EL RENO
130 PM WOODS 50 KT/58 MPH WINDS AT ALVA AIRPORT
150 PM KIOWA 1/2 HAIL AT HOBART
202 PM HARMON GOLFBALL SIZE HAIL AT HOLLIS
216 PM HARMON 2 INCH HAIL AT HOLLIS
225 PM CANADIAN PENNY SIZE HAIL IN WESTERN MUSTANG
.
234 PM CANADIAN 1 INCH HAIL AT MUSTANG
237 PM LOGAN DIME SIZE HAIL AT GUTHRIE
258 PM OKLAHOMA QUARTER SIZE HAIL AT BRITTON AND TRIPLE X
ROADS
300 PM CADDO DIME SIZE HAIL AT ANADARKO
305 PM OKLAHOMA TORNADO DESTROYED BARN AT NE 63RD AND
PEEBLY ROAD
309 PM GRADY DIME SIZE HAIL 6 SOUTH OF CHICKASHA
312 PM OKLAHOMA 4 MILE NORTHWEST OF HARRAH TORNADO
OBSERVED ABOUT 1/2 MILE TO THE WEST
322 PM JACKSON 1 AND 1/2 INCH HAIL AT ALTUS AFB
343 PM GRADY DIME SIZE HAIL 7 NW OF CHICKASHA
348 PM GRADY DIME SIZE HAIL 8 WEST OF MINCO
.
401 PM OKLAHOMA DIME SIZE HAIL IN OKLAHOMA CITY
407 PM GRADY 1 INCH HAIL AT MINCO
413 PM KIOWA TORNADO 1 SOUTH OF SNYDER AND
GOLFBALL SIZE HAIL IN SNYDER
TRAILER FLIPPED, POWER LINES DOWN
428 PM TILLMAN TORNADO 5 SE OF SNYDER
430 PM WASHITA GOLFBALL SIZE HAIL IN CORDELL
454 PM CLEVELAND NICKLE HAIL NW ANS SW OF NORMAN
458 PM CLEVELAND 60 MPH WIND, TREE DAMAGE N OF LAKE
THUNDERBIRD
510 PM JACKSON 2 N OF HWY 62 ON HWY 54 100 YARD WIDE
TORNADO TRACK SNAPPED UTILITY POLES
523 PM CLEVELAND 60 MPH WINDS AND 1 INCH HAIL IN NORMAN
527 PM COMANCHE FUNNEL CLOUD 1/8 MILE NW OF FORT SILL
550 PM COMANCHE GOLFBALL SIZE HAIL NEAR FLETCHER
609 PM TILLMAN/KIOWA GOLFBALL SIZE HAIL AND LARGER 14 MILES
E OF ALTUSThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 7:00 PM CDT | Tornado Warning | OUN | Garvin | 30 min |
| May 14, 7:10 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 65 min |
| May 14, 7:18 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, Murray, Pontotoc | 57 min |
| May 14, 7:18 PM CDT | Severe Thunderstorm Warning | OUN | Carter | 57 min |
| May 14, 7:31 PM CDT | Tornado Warning | OUN | Johnston, Murray, Pontotoc | 39 min |
| May 14, 7:55 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Jackson, Kiowa | 65 min |
| May 14, 7:55 PM CDT | Severe Thunderstorm Warning | OUN | Harmon | 65 min |
| May 14, 8:07 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 53 min |
| May 14, 8:16 PM CDT | Severe Thunderstorm Warning | OUN | Coal, Johnston | 59 min |
| May 14, 8:31 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 59 min |
| May 14, 8:50 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 55 min |
| May 14, 9:10 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Grady | 65 min |
| May 14, 9:10 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 65 min |
| May 14, 9:29 PM CDT | Tornado Warning | OUN | Jefferson | 31 min |
| May 14, 9:35 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 55 min |
| May 14, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Stephens | 47 min |
| May 14, 10:01 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 29 min |
| May 14, 10:58 PM CDT | Severe Thunderstorm Warning | OUN | Love | 47 min |
| May 14, 10:58 PM CDT | Severe Thunderstorm Warning | OUN | Johnston | 47 min |
| May 14, 11:14 PM CDT | Severe Thunderstorm Warning | OUN | Bryan, Johnston, Marshall | 61 min |
| May 14, 11:33 PM CDT | Severe Thunderstorm Warning | OUN | Atoka | 42 min |
| May 14, 11:33 PM CDT | Severe Thunderstorm Warning | OUN | Love | 42 min |
| May 14, 11:45 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 60 min |
| May 15, 12:04 AM CDT | Severe Thunderstorm Warning | OUN | Choctaw | 41 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.