Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 264, NWS Tulsa, OK

May 27, 2000LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 27, 2000, 6:16 PM CDT for LeFlore County, Oklahoma. It was in force for 29 min. 1 report came from 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, with what was reported inside it.

The facts

Issued
May 27, 2000, 6:16 PM CDT (23:16 UTC)
Expired
May 27, 2000, 6:45 PM CDT
In force
29 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County LeFlore County, OK

What was reported inside it

TimeReportWhereRemark
May 27, 6:25 PM CDTHail 0.75Zafra, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
May 27, 6:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.3 hours before the alert went out and 235 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, Shreveport, LA at 12:00Z on 2000-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1468 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, Shreveport, LA at 12:00Z on 2000-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 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
1468 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

941 
WUUS54 KTSA 272317
SVRTUL
OKC079-272345-

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 645 PM CDT

* AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTHEAST OF BIG CEDAR...MOVING EAST AT
  40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...ZAFRA.

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 65 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 3465 9468 3447 9470 3435 9377 3460 9374

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, 12:36 AM CDTSevere Thunderstorm WarningTSACherokee39 min
May 27, 1:03 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee42 min
May 27, 1:19 AM CDTSevere Thunderstorm WarningTSASequoyah41 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.