Alert archive / Oklahoma / Flash Flood Warnings in 2000

Flash Flood Warning 25, NWS Tulsa, OK

June 21, 2000Cherokee County, Muskogee County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 21, 2000, 10:49 AM CDT for Cherokee County, Muskogee County, Sequoyah 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 21, 2000, 10:49 AM CDT (15:49 UTC)
Expired
Jun 21, 2000, 2:00 PM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Cherokee County, OK, Muskogee County, OK, Sequoyah County, OK

The radar

The Tulsa radar (KINX), 65 km from the middle of the area, began a volume at 15:50 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

Springfield, MO (KSGF), launched 12:00Z, 3.8 hours before the alert went out and 181 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, Springfield, MO at 12:00Z on 2000-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 12:00Z on 2000-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -169 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1116 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-169 m²/s²
0-3 km storm-relative helicity
-226 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 KTSA 211550
FFWTSA
OKC021-101-135-211900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1049 AM CDT WED JUN 21 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
  MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 200 PM CDT

* AT 1040 AM CDT...SHERIFF'S OFFICES AND THE OKLAHOMA HIGHWAY PATROL
  REPORTED NUMEROUS ROADS FLOODED OVER THIS AREA. HIGHWAY 141 NEAR GANS
  HIGHWAY 82 NEAR VIAN AND NORTH OF TAHLEQUAH. AND HIGHWAY 64B NEAR MINERAL
  SPRINGS ARE A FEW OF THE AREAS FLOODED. SERIOUS FLOODING WAS ALSO
  REPORTED IN THE CITY OF MUSKOGEE. FROM 5 TO 7 INCHES OF RAIN HAS
  FALLEN AND ANOTHER INCH OF RAINFALL WILL BE POSSIBLE. HEAVY RAINS WILL
  TAPER OFF...BUT RUNOFF WILL CONTINUE INTO THE AFTERNOON HOURS.


* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE FLOODING
  INCLUDE WEBBERS FALLS...FORT GIBSON...BRAGGS...MUSKOGEE...
  COOKSON...TAHLEQUAH...MARBLE CITY AND GORE.

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 3571 9545 3551 9522 3550 9476 3602 9491

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, 6:50 AM CDTFlash Flood WarningTSACreek, Osage, Pawnee3 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, 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.