Alert archive / Oklahoma / Flash Flood Warnings in 2000

Flash Flood Warning 2, NWS Tulsa, OK

May 26, 2000Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 26, 2000, 3:51 AM CDT for Osage County, Pawnee 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 counties it named.

The facts

Issued
May 26, 2000, 3:51 AM CDT (08:51 UTC)
Expired
May 26, 2000, 6:00 AM CDT
In force
2 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 08:55 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

Lamont, OK (KLMN), launched 00:00Z, 8.9 hours before the alert went out and 85 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, Lamont, OK at 00:00Z on 2000-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1965 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, Lamont, OK at 00:00Z on 2000-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
1965 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
1.2
Supercell composite
8.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KTSA 260852
FFWTSA
OKC113-117-261100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
351 AM CDT FRI MAY 26 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 600 AM CDT

* AT 351 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LARGE AREA OF SHOWERS AND THUNDERSTORMS MOVING NORTHEAST AT 30
  MPH OVER OSAGE AND PAWNEE COUNTIES. THESE SHOWERS AND
  THUNDERSTORMS WILL CONTINUE TO PRODUCE TORRENTIAL RAINFALL.
  RADAR ESTIMATES THAT AROUND 2 INCHES OF RAIN HAS FALLEN OVER THE
  WARNING AREA. ANOTHER 2 TO 3 INCHES WILL BE POSSIBLE THROUGH 600
  AM CDT.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE RALSTON...CLEVELAND...SKEDEE...BLACKBURN...MARAMEC...
HALLETT...PAWNEE...GRAINOLA...FORAKER...BIGHEART...PEARSONIA...
OKESA...BURBANK...BARNSDALL...FAIRFAX...WYNONA...HOMINY...OSAGE...
SHIDLER AND PAWHUSKA

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DON'T DRIVE
VEHICLES INTO AREAS WHERE WATER COVERS THE ROADWAY!

CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE.

$$

LAT...LON 3703 9659 3645 9702 3628 9695 3620 9681
          3624 9612 3660 9605 3700 9604

DRM

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 1:52 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee68 min
May 26, 2:56 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee64 min
May 26, 3:33 AM CDTSevere Thunderstorm WarningTSAWashington57 min
May 26, 6:47 AM CDTSevere Thunderstorm WarningTSAMayes43 min
May 26, 10:24 AM CDTSevere Thunderstorm WarningTSAAdair, Delaware66 min
May 26, 10:24 AM CDTSevere Thunderstorm WarningTSASequoyah66 min

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.