Alert archive / Oklahoma / Flash Flood Warnings in 2005

Flash Flood Warning 13, NWS Norman, OK

June 16, 2005Harper County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 16, 2005, 6:21 PM CDT for Harper County, 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
Jun 16, 2005, 6:21 PM CDT (23:21 UTC)
Expired
Jun 16, 2005, 9:15 PM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

County Harper County, OK

The radar

The Dodge City radar (KDDC), 99 km from the middle of the area, began a volume at 23:23 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

Dodge City, (KDDC), launched 12:00Z, 11.4 hours before the alert went out and 99 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, Dodge City, at 12:00Z on 2005-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 177 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2005-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 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
177 J/kg
Mixed-layer CIN
-322 J/kg
Mixed-layer LCL
1768 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
144 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 
WGUS54 KOUN 162323
FFWOUN
OKC059-170215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
621 PM CDT THU JUN 16 2005

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HARPER COUNTY IN NORTHWEST OKLAHOMA

* UNTIL 915 PM CDT

* AT 619 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN WITH RAINFALL AMOUNTS IN EXCESS OF 4 INCHES HAD 
FALLEN FROM A LINE OF THUNDERSTORMS ACROSS NORTHERN HARPER COUNTY. 
ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES WILL BE POSSIBLE 
OVER THE NEXT HOUR AS HEAVY RAIN CONTINUES TO FALL ACROSS NORTHERN 
HARPER COUNTY. 

* LOCATIONS IN THE WARNING INCLUDE BUFFALO

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.
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 3681 10001 3683 9932 3699 9943 3699 9998

$$

30

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 10:05 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Woods, Woodward55 min
Jun 15, 11:00 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Grant45 min
Jun 16, 1:41 AM CDTSevere Thunderstorm WarningOUNLincoln49 min
Jun 16, 2:40 AM CDTSevere Thunderstorm WarningOUNJackson, Kiowa, Tillman50 min
Jun 16, 11:00 AM CDTSevere Thunderstorm WarningOUNCanadian30 min
Jun 16, 4:38 PM CDTSevere Thunderstorm WarningOUNHarper52 min
Jun 16, 5:27 PM CDTSevere Thunderstorm WarningOUNHarper48 min
Jun 16, 6:11 PM CDTSevere Thunderstorm WarningOUNHarper49 min
Jun 16, 6:46 PM CDTSevere Thunderstorm WarningOUNWoods44 min
Jun 16, 6:55 PM CDTSevere Thunderstorm WarningOUNHarper50 min

Nearby

Flash Flood Warnings in Oklahoma, 2005Every flash flood warning in 2005

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.