Alert archive / Oklahoma / Flash Flood Warnings in 2000

Flash Flood Warning 22, NWS Tulsa, OK

June 21, 2000Creek County, Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 21, 2000, 6:50 AM CDT for Creek County, Osage County, Pawnee 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 counties it named.

The facts

Issued
Jun 21, 2000, 6:50 AM CDT (11:50 UTC)
Expired
Jun 21, 2000, 10:00 AM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Creek County, OK, Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 84 km from the middle of the area, began a volume at 11:54 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, 11.8 hours before the alert went out and 144 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 2000-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1958 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, Norman, OK at 00:00Z on 2000-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1958 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1202 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 211151
FFWTSA
OKC037-113-117-211500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
650 AM CDT WED JUN 21 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 1000 AM CDT

* AT 648 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER CREEK...PAWNEE AND WESTERN
  OSAGE COUNTIES. A LARGE CLUSTER OF SHOWERS AND THUNDERSTORMS WITH
  VERY HEAVY RAINFALL WAS OVER NORTH CENTRAL OKLAHOMA MOVING EAST
  TOWARD THE WARNED AREA.

  RADAR ESTIMATES INDICATE THAT 1 TO 3 INCHES OF RAIN HAS ALREADY
  FALLEN OVER THE WARNED AREA. ANOTHER 1 TO 3 INCHES OF RAINFALL
  WILL BE POSSIBLE THROUGH 1000 AM CDT.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE SAPULPA...KELLYVILLE...MANNFORD...OILTON...DRUMRIGHT...
  SHAMROCK...DEPEW...SLICK...BRISTOW...WESTPORT...RALSTON...
  CLEVELAND...SKEDEE...BLACKBURN...MARAMEC...HALLETT...TERLTON...
  JENNINGS...PAWNEE...GRAINOLA...HULAH...FORAKER...BIGHEART...
  PEARSONIA...OKESA...BURBANK...BARNSDALL...FAIRFAX...WYNONA...
  AVANT...HOMINY...OSAGE...SHIDLER AND PAWHUSKA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO
HIGHER GROUND.

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

$$

LAT...LON 3565 9660 3565 9621 3601 9604 3614 9627u
          3621 9608 3699 9602 3701 9700 3645 9705

DRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 11:25 PM CDTFlash Flood WarningTSAOttawa3 hr
Jun 21, 12:58 AM CDTFlash Flood WarningTSAOsage3 hr
Jun 21, 1:21 AM CDTFlash Flood WarningTSACraig, Nowata3 hr
Jun 21, 2:35 AM CDTFlash Flood WarningTSAAdair, Delaware3 hr
Jun 21, 5:58 AM CDTFlash Flood WarningTSAAdair4 hr
Jun 21, 7:39 AM CDTFlash Flood WarningTSACherokee, Haskell, LeFlore, Muskogee, Sequoyah3 hr
Jun 21, 9:58 AM CDTFlash Flood WarningTSAAdair3 hr
Jun 21, 10:49 AM CDTFlash Flood WarningTSACherokee, Muskogee, Sequoyah3 hr
Jun 21, 12:43 PM CDTFlash Flood WarningTSAAdair77 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.