Alert archive / Oklahoma / Flash Flood Warnings in 2004
Flash Flood Warning 39, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Aug 27, 2004, 7:22 PM CDT for Garfield County, Oklahoma. It was in force for 2 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
- Aug 27, 2004, 7:22 PM CDT (00:22 UTC)
- Expired
- Aug 27, 2004, 9:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Norman, OK
- Area
- Counties, with a storm outline in the text
County Garfield County, OK
The radar
The Vance AFB radar (KVNX), 42 km from the middle of the area, began a volume at 00:24 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 139 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
- 697 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 2128 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KOUN 280026 FFWOKC OKC047-280230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORMAN OK 722 PM CDT FRI AUG 27 2004 THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN GARFIELD COUNTY IN NORTHERN OKLAHOMA... INCLUDING ENID. * UNTIL 930 PM CDT * AT 722 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL OVER MUCH OF WESTERN GARFIELD COUNTY... FROM ENID... TO LAHOMA AND DRUMMOND. THE STORMS RESPONSIBLE FOR THE HEAVY RAIN WERE MOVING EAST AT 10 TO 15 MPH. * LOCATIONS IN THE WARNING INCLUDE CARRIER...DRUMMOND...ENID... LAHOMA...VANCE AIR FORCE BASE AND WAUKOMIS RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAVE ALREADY FALLEN ON AREAS BETWEEN LAHOMA AND DRUMMOND... AFFECTING THE DRAINAGE AREAS FOR TURKEY CREEK AND ELM CREEK. ADDITIONAL RAINFALL OF ANOTHER 1 TO 3 INCHES IS LIKELY IN THESE SAME AREAS... AND FARTHER EAST INTO ENID THROUGH 8 PM... RESULTING IN FLASH FLOODING ALONG TURKEY AND ELM CREEKS... AND ALSO IN MANY AREAS WITHIN THE CITY OF ENID. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES INCLUDING SUVS AND PICKUP TRUCKS. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3647 9810 3623 9810 3624 9776 3652 9778 $$ MILLER
1 follow-up statement
000 WGUS74 KOUN 280126 FFSOKC OKC047-280230- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 823 PM CDT FRI AUG 27 2004 ...FLASH FLOOD WARNING CONTINUES FOR WESTERN GARFIELD COUNTY UNTIL 930 PM CDT... AT 815 PM CDT... DOPPLER RADAR INDICATED STRONG TO SEVERE THUNDERSTORMS PRODUCING TORRENTIAL DOWNPOURS COVERING MUCH OF SOUTHWEST GARFIELD COUNTY. HOWEVER... THE INTENSITY OF RAINFALL IN AREAS FROM LAHOMA TO ENID HAD DIMINISHED. STORMS WERE SLOWLY MOVING SOUTH... WHICH WILL ALLOW RAINFALL RATES TO DECREASE OVER SOUTHWEST GARFIELD COUNTY THROUGH 9 PM. HOWEVER... RUNOFF FROM 2 TO 4 INCHES OF RAIN EARLIER THIS EVENING WILL CONTINUE TO PRODUCE LOCAL FLASH FLOODING ALONG TURKEY AND ELM CREEKS IN WESTERN AND SOUTHWEST GARFIELD COUNTY THROUGH AT LEAST 930 PM. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES INCLUDING SUVS AND PICKUP TRUCKS. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3645 9810 3619 9809 3619 9775 3645 9783 $$ MILLER
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:01 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Major | 44 min |
| Aug 27, 7:13 PM CDT | Severe Thunderstorm Warning | OUN | Blaine | 32 min |
| Aug 27, 7:47 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Garfield, Kingfisher, Major | 43 min |
| Aug 27, 11:36 PM CDT | Severe Thunderstorm Warning | OUN | Greer | 39 min |
Nearby
Flash Flood Warnings in Oklahoma, 2004Every flash flood warning in 2004
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.