Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 32, NWS Tulsa, OK

March 7, 2000Okmulgee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 7, 2000, 9:53 PM CST for Okmulgee County, Oklahoma. It was in force for 37 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 7, 2000, 9:53 PM CST (03:53 UTC)
Expired
Mar 7, 2000, 10:30 PM CST
In force
37 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Okmulgee County, OK

The radar

The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 03:52 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.

What was reported inside it

TimeReportWhereRemark
Mar 7, 10:00 PM CSTHail 0.75Nuyaka, OK
Mar 7, 10:13 PM CSTHail 0.75Preston, OK
Mar 7, 10:20 PM CSTHail 0.75Beggs, OK
Mar 7, 10:35 PM CSTHail 0.88Henryetta, 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
Mar 7, 5:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.9 hours before the alert went out and 138 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, Norman, OK at 00:00Z on 2000-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 588 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, Norman, OK at 00:00Z on 2000-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 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
588 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
290 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 080354
SVRTUL
OKC111-080430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
953 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1030 PM CST

* AT 953 PM CST SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO
  60 MPH AND GOLFBALL SIZED HAIL WERE LOCATED ALONG A LINE EXTENDING 
  FROM 3 MILES EAST OF SLICK TO 6 MILES NORTHEAST OF OKFUSKEE TO 4   
  MILES NORTH OF CLEARVIEW...MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...  BALD HILL...BEGGS...PRESTON...
  MORRIS AND OKMULGEE

STORM SPOTTERS RvEPORTED GOLFBALL SIZED HAIL AT LAKE OKEMAH AT 946 PM.

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS.

$$

DRM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 8:49 PM CSTSevere Thunderstorm WarningTSAOsage, Pawnee56 min
Mar 7, 9:14 PM CSTSevere Thunderstorm WarningTSAOkfuskee61 min
Mar 7, 9:24 PM CSTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa66 min
Mar 7, 9:48 PM CSTTornado WarningTSACreek, Osage, Tulsa42 min
Mar 7, 10:11 PM CSTSevere Thunderstorm WarningTSAMcIntosh49 min
Mar 7, 10:20 PM CSTTornado WarningTSANowata, Rogers, Washington40 min
Mar 7, 10:27 PM CSTSevere Thunderstorm WarningTSAMuskogee, Okmulgee, Wagoner63 min
Mar 7, 10:56 PM CSTSevere Thunderstorm WarningTSAMayes, Rogers, Wagoner64 min
Mar 7, 10:56 PM CSTSevere Thunderstorm WarningTSAMuskogee64 min
Mar 7, 10:59 PM CSTSevere Thunderstorm WarningTSANowata, Rogers31 min
Mar 7, 11:13 PM CSTTornado WarningTSAMcIntosh, Muskogee47 min
Mar 7, 11:30 PM CSTSevere Thunderstorm WarningTSACherokee45 min
Mar 7, 11:44 PM CSTSevere Thunderstorm WarningTSACraig, Delaware, Ottawa61 min
Mar 8, 12:06 AM CSTSevere Thunderstorm WarningTSAPushmataha39 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; radar from the NEXRAD Level II archive.