Alert archive / Oklahoma / Flash Flood Warnings in 2001

Flash Flood Warning 16, NWS Tulsa, OK

May 30, 2001McIntosh County, Muskogee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 30, 2001, 6:29 AM CDT for McIntosh County, Muskogee 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: May 30, 2001, 6:29 AM CDT (11:29 UTC)
Expired: May 30, 2001, 9:00 AM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties McIntosh County, OK, Muskogee County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 11.5 hours before the alert went out and 177 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1017 J/kg
Mixed-layer CIN: -336 J/kg
Mixed-layer LCL: 966 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 424 m²/s²
0-3 km storm-relative helicity: 670 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 301130
FFWTUL
OKC091-101-301400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
629 AM CDT WED MAY 30 2001

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 900 AM CDT

* AT 629 AM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN 
OVER MCINTOSH COUNTY...MOVING ACROSS AREAS THAT HAVE RECEIVED 
FLOODING RAINS OVERNIGHT.  THE STORMS WILL ALSO MOVE INTO 
RAIN-SOAKED MUSKOGEE COUNTY.

RADAR INDICATES THAT 4 TO 5 INCHES OF RAIN HAS ALREADY FALLEN OVER 
THE WARNED AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 800 
AM CDT...WITH WATERS CONTINUING TO COLLECT AFTER THE RAINS END.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE WEBBERS FALLS...BRAGGS...KEEFETON...OKTAHA...WARNER...
  PORUM...BRIARTOWN...COUNCIL HILL...RENTIESVILLE...STIDHAM...
  VIVIAN...RAIFORD...CHECOTAH AND EUFAULA.

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.

LAT...LON 3552 9579 3521 9589 3534 9537 3528 9523
          3545 9508 3580 9514

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 11:00 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	60 min
May 29, 11:57 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	63 min
May 30, 12:47 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Tulsa	58 min
May 30, 1:12 AM CDT	Severe Thunderstorm Warning	TSA	Rogers	48 min
May 30, 1:26 AM CDT	Flash Flood Warning	TSA	Creek, Tulsa	3 hr
May 30, 2:07 AM CDT	Flash Flood Warning	TSA	Okmulgee, Wagoner	3 hr
May 30, 2:30 AM CDT	Flash Flood Warning	TSA	Muskogee	3 hr
May 30, 3:15 AM CDT	Flash Flood Warning	TSA	Cherokee	3 hr
May 30, 3:59 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	46 min
May 30, 4:18 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okmulgee	42 min
May 30, 5:47 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	43 min
May 30, 6:29 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Muskogee	46 min
May 30, 6:36 AM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	24 min
May 30, 6:49 AM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	56 min
May 30, 7:04 AM CDT	Severe Thunderstorm Warning	TSA	Latimer	56 min
May 30, 8:58 AM CDT	Flash Flood Warning	TSA	Cherokee, McIntosh, Muskogee, Okfuskee, Okmulgee, Sequoyah	2 hr
May 30, 4:02 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	43 min

Nearby

Flash Flood Warnings in Oklahoma, 2001 Every flash flood warning in 2001

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.