Alert archive / Oklahoma / Flash Flood Warnings in 2002
Flash Flood Warning 7, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Apr 7, 2002, 7:23 PM CDT for 4 counties in Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 7, 2002, 7:23 PM CDT (00:23 UTC)
- Expired
- Apr 7, 2002, 10:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Counties, with a storm outline in the text
Counties Carter County, OK, Garvin County, OK, Love County, OK, Murray County, OK
The radar
The Norman radar (KTLX), 99 km from the middle of the area, began a volume at 00:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.4 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.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 450 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KOUN 080023 FFWOKC OKC019-049-085-099-080315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORMAN OK 717 PM CDT SUN APR 7 2002 THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A * FLASH FLOOD WARNING FOR... CARTER COUNTY IN SOUTHERN OKLAHOMA GARVIN COUNTY IN SOUTHERN OKLAHOMA LOVE COUNTY IN SOUTHERN OKLAHOMA MURRAY COUNTY IN SOUTHERN OKLAHOMA * UNTIL 1015 PM CDT * 1 TO 2 INCHES OF RAIN CAN BE EXPECTED IN THE NEXT HOUR OR TWO AS STRONG THUNDERSTORMS MOVE ACROSS THE WARNED AREA. THIS AREA HAS ALREADY RECEIVED 1 TO 3 INCHES OF RAIN IN THE LAST 24 HOURS AND THIS ADDITIONAL HEAVY RAIN WILL LIKELY RESULT IN AREAS OF FLASH FLOODING. * LOCATIONS IN THE WARNING INCLUDE ARDMORE...BURNEYVILLE...DAVIS... DICKSON...DOUGHERTY...ELMORE CITY...GENE AUTRY...GRAHAM...LEON... LONE GROVE...MARIETTA...MAYSVILLE...MILO...OVERBROOK...PAOLI... PAULS VALLEY...POOLEVILLE...RUBOTTOM...SPRINGER...STRATFORD... SULPHUR...TATUMS...TURNER FALLS...WILSON AND WYNNEWOOD EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES...AND FARM LAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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. LAT...LON 3483 9749 3379 9747 3393 9695 3482 9696
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 7:04 PM CDT | Severe Thunderstorm Warning | OUN | Carter | 26 min |
Nearby
Flash Flood Warnings in Oklahoma, 2002Every flash flood warning in 2002
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; radar from the NEXRAD Level II archive.