Alert archive / Oklahoma / Flash Flood Warnings in 1986
Flash Flood Warning 29, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Oct 2, 1986, 2:49 PM CDT for Logan County, Oklahoma County, Oklahoma. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 2, 1986, 2:49 PM CDT (19:49 UTC)
- Expired
- Oct 2, 1986, 6:00 PM CDT
- In force
- 3 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 12:00Z, 7.8 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
- 44 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
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, Oct 2, 1:52 PM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 150 PM CDT THU OCT 2 1986 A THUNDERSTORM HAS INTENSIFIED DURING THE PAST 30 MINUTES OVER EXTREME NORTHWESTERN CANADIAN COUNTY. AT 145 PM CDT THE STORM WAS CENTERED 5 MILES NORTHEAST OF GEARY AND WAS MOVING TOWARD THE NORTHEAST AT 30 MILES PER HOUR. THE THUNDERSTORM IS CAPABLE OF PRODUCING RAINFALL RATES OF 4 INCHES PER HOUR ALONG WITH SOME VERY SMALL HAIL. PERSONS IN THE DOVER AND HENNESSEY AREA ARE NEAR THE PROJECTED PATH OF THIS STORM AND SHOULD TAKE NECESSARY PRECAUTIONS. WITH THE NEARLY SATURATED ENVIRONMENT OF THE THUNDERSTORM...THERE WILL BE MANY LOW-HANGING CLOUDS AND POSSIBLY SOME FUNNEL CLOUDS WITH THIS STORM. THE ATMOSPHERIC CONDITIONS ARE NOT FAVORABLE FOR THE FORMATION OF STRONG TORNADOES...ALTHOUGH A WEAK TORNADO COULD OCCUR. THESE WEAK TORNADOES DEVELOP WITH LITTLE ADVANCE INDICATION ON RADAR. STAY TUNED TO NOAA WEATHER RADIO OR TO COMMERCIAL RADIO OR TELEVISION FOR LATER UPDATES.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 8:00 PM CDT | Tornado Warning | OUN | Harmon | 40 min |
| Oct 1, 8:04 PM CDT | Severe Thunderstorm Warning | OUN | Beckham | 56 min |
| Oct 1, 8:18 PM CDT | Tornado Warning | OUN | Beckham | 27 min |
| Oct 1, 8:37 PM CDT | Tornado Warning | OUN | Beckham, Greer | 38 min |
| Oct 1, 9:06 PM CDT | Tornado Warning | OUN | Greer | 34 min |
| Oct 1, 9:27 PM CDT | Tornado Warning | OUN | Custer, Washita | 33 min |
| Oct 1, 9:48 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Woodward | 47 min |
| Oct 1, 9:59 PM CDT | Tornado Warning | OUN | Kiowa, Washita | 41 min |
| Oct 2, 9:04 AM CDT | Flash Flood Warning | OUN | Canadian, Logan, Oklahoma | 116 min |
| Oct 2, 9:04 AM CDT | Flash Flood Warning | OUN | Cleveland | 116 min |
| Oct 2, 10:16 AM CDT | Tornado Warning | OUN | Logan, Oklahoma | 59 min |
| Oct 2, 10:29 AM CDT | Flash Flood Warning | OUN | Kingfisher | 2 hr |
| Oct 2, 10:36 AM CDT | Flash Flood Warning | OUN | Grady | 54 min |
| Oct 2, 11:08 AM CDT | Tornado Warning | OUN | Logan, Payne | 37 min |
| Oct 2, 11:27 AM CDT | Flash Flood Warning | OUN | Garfield | 93 min |
| Oct 2, 1:31 PM CDT | Flash Flood Warning | OUN | Canadian, Kingfisher | 119 min |
| Oct 2, 1:51 PM CDT | Flash Flood Warning | OUN | Kay, Noble | 2 hr |
| Oct 2, 3:28 PM CDT | Flash Flood Warning | OUN | Canadian, Kingfisher | 3 hr |
| Oct 2, 4:12 PM CDT | Tornado Warning | OUN | Logan | 33 min |
| Oct 2, 4:27 PM CDT | Flash Flood Warning | OUN | Grady | 93 min |
| Oct 2, 5:03 PM CDT | Tornado Warning | OUN | Logan | 32 min |
| Oct 2, 5:35 PM CDT | Flash Flood Warning | OUN | Cleveland, McClain | 115 min |
| Oct 2, 5:35 PM CDT | Tornado Warning | OUN | Cleveland, McClain | 30 min |
| Oct 2, 6:05 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie | 40 min |
| Oct 2, 6:28 PM CDT | Tornado Warning | OUN | Lincoln, Pottawatomie | 32 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.