Alert archive / Oklahoma / Flash Flood Warnings in 2000

Flash Flood Warning 9, NWS Norman, OK

June 4, 2000Carter County, Garvin County, Murray County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 4, 2000, 6:40 AM CDT for Carter County, Garvin County, Murray 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 4, 2000, 6:40 AM CDT (11:40 UTC)
Expired
Jun 4, 2000, 9:30 AM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Carter County, OK, Garvin County, OK, Murray County, OK

The radar

The Norman radar (KTLX), 85 km from the middle of the area, began a volume at 11:44 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, 11.7 hours before the alert went out and 74 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, Norman, OK at 00:00Z on 2000-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 219 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2000-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 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
219 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
57 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 041142
FFWOUN
OKC019-049-099-041430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
640 AM CDT SUN JUN 4 2000

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CARTER COUNTY IN SOUTHERN OKLAHOMA
  GARVIN COUNTY IN SOUTHERN OKLAHOMA
  MURRAY COUNTY IN SOUTHERN OKLAHOMA

* UNTIL 930 AM CDT

* AT 633 AM CDT...DOPPLER RADAR INDICATED THAT VERY HEAVY RAIN WAS
FALLING ACROSS MUCH OF GARVIN... MURRAY AND CARTER COUNTIES. RADAR
ESTIMATES SHOW THAT AS MUCH AS 3 TO 4 INCHES OF RAIN HAS FALLEN OVER
THE PAST FEW HOURS. AN ADDITIONAL 1 TO 2 INCHES OF RAIN WILL BE
POSSIBLE ACROSS THIS AREA AS HEAVY RAIN WILL LIKELY CONTINUE OVER
THE NEXT COUPLE OF HOURS.

* LOCATIONS IN THE WARNING INCLUDE DAVIS...DOUGHERTY...ELMORE CITY...
  FOSTER...GENE AUTRY...GRAHAM...MILO...PAULS VALLEY...PERNELL...
  POOLEVILLE...RATLIFF CITY...SPRINGER...SULPHUR...TATUMS...TURNER
  FALLS AND WYNNEWOOD

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 3478 9757 3425 9754 3428 9694 3451 9689
          3479 9700

30

Nearby

Flash Flood Warnings in Oklahoma, 2000Every flash flood warning in 2000

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.