Alert archive / Oklahoma / Flash Flood Warnings in 2000

Flash Flood Warning 31, NWS Tulsa, OK

October 27, 2000Creek County, Okfuskee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Oct 27, 2000, 6:10 PM CDT for Creek County, Okfuskee County, Oklahoma. It was in force for 110 min. 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: Oct 27, 2000, 6:10 PM CDT (23:10 UTC)
Expired: Oct 27, 2000, 8:00 PM CDT
In force: 110 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Creek County, OK, Okfuskee County, OK

The radar

The Norman radar (KTLX), 85 km from the middle of the area, began a volume at 23:14 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 12:00Z, 11.2 hours before the alert went out and 100 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: 1044 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 618 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 116 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 272308
FFWTSA
OKC037-107-280100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
610 PM CDT FRI OCT 27 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  NORTHERN OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA
  SOUTHERN CREEK COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 800 PM CDT

* AT 605 PM CDT DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY
  RAIN HAVE BEEN OCCURRING ACROSS THE WARNED AREA.

RADAR ESTIMATES INDICATE THAT AT LEAST 2 TO 3 INCHES OF RAIN HAS
ALREADY FALLEN AND ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH
800 PM CDT.

MINOR FLOODING WAS REPORTED ON LOW LYING ROADS IN SOUTHWEST CREEK
COUNTY.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE DEPEW...SLICK...WELTY...OKFUSKEE...BOLEY...PADEN AND
  CASTLE.

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.

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 3583 9663 3546 9662 3547 9618 3583 9618

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 27, 3:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek	50 min
Oct 27, 4:24 PM CDT	Tornado Warning	TSA	Okmulgee	51 min
Oct 27, 5:44 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	46 min

Nearby

Flash Flood Warnings in Oklahoma, 2000 Every 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.