Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 261, NWS Tulsa, OK

May 27, 2000Cherokee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 27, 2000, 12:36 AM CDT for Cherokee County, Oklahoma. It was in force for 39 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
May 27, 2000, 12:36 AM CDT (05:36 UTC)
Expired
May 27, 2000, 1:15 AM CDT
In force
39 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Cherokee County, OK

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 26, 10:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.6 hours before the alert went out and 169 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 00:00Z on 2000-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1527 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2000-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897Sfc1 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
1527 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1270 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
1.0
Supercell composite
10.2

Open this sounding in Storm Lab

The text

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

956 
WUUS54 KTSA 270537
SVRTUL
OKC021-270615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1236 AM CDT SAT MAY 27 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 115 AM CDT

* AT 1236 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 28 MILES NORTHWEST
  OF COOKSON TO 25 MILES WEST OF COOKSON TO 56 MILES SOUTHWEST OF
  COOKSON...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...COOKSON.

HAIL TO THE SIZE OF NICKELS AND WIND GUSTS BETWEEN 60 AND 70 MPH CAN 
BE EXPECTED IN THE WARNED AREA.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.

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

LAT...LON 3589 9526 3581 9512 3566 9512 3565 9513
          3565 9481 3589 9481

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:07 PM CDTSevere Thunderstorm WarningTSAAdair53 min
May 26, 10:13 PM CDTSevere Thunderstorm WarningTSASequoyah47 min
May 26, 10:16 PM CDTSevere Thunderstorm WarningTSAMcIntosh44 min
May 26, 10:53 PM CDTSevere Thunderstorm WarningTSASequoyah52 min
May 26, 11:04 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee41 min
May 26, 11:05 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee40 min
May 26, 11:09 PM CDTSevere Thunderstorm WarningTSAAdair51 min
May 26, 11:18 PM CDTSevere Thunderstorm WarningTSACreek42 min
May 26, 11:41 PM CDTSevere Thunderstorm WarningTSASequoyah49 min
May 26, 11:44 PM CDTSevere Thunderstorm WarningTSAOkmulgee46 min
May 26, 11:53 PM CDTSevere Thunderstorm WarningTSAOkfuskee52 min
May 27, 12:01 AM CDTSevere Thunderstorm WarningTSAMuskogee59 min
May 27, 12:12 AM CDTFlash Flood WarningTSAAdair, Sequoyah4 hr
May 27, 12:13 AM CDTSevere Thunderstorm WarningTSAMcIntosh62 min
May 27, 12:19 AM CDTSevere Thunderstorm WarningTSAWagoner41 min
May 27, 12:33 AM CDTSevere Thunderstorm WarningTSAMuskogee42 min
May 27, 12:35 AM CDTSevere Thunderstorm WarningTSAChoctaw55 min
May 27, 1:03 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee42 min
May 27, 1:19 AM CDTSevere Thunderstorm WarningTSASequoyah41 min
May 27, 6:16 PM CDTSevere Thunderstorm WarningTSALeFlore29 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2000Every severe thunderstorm 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.