Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 85, NWS Tulsa, OK

April 19, 2000Creek County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 2000, 11:59 PM CDT for Creek County, Oklahoma. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 19, 2000, 11:59 PM CDT (04:59 UTC)
Expired
Apr 20, 2000, 12:45 AM CDT
In force
46 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Creek County, OK

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 19, 10:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.0 hours before the alert went out and 120 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 2000-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 144 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, Norman, OK at 00:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
144 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
2603 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
164 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 
WUUS54 KTSA 200500
SVRTUL
OKC037-131-143-200545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1159 PM CDT WED APR 19 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA
  ROGERS COUNTY IN NORTHEAST OKLAHOMA
  TULSA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1245 AM CDT

* AT 1159 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES NORTHEAST
  OF COLLINSVILLE TO 4 MILES WEST OF TULSA TO 2 MILES EAST OF        
  SLICK...MOVING EAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...SAPULPA...
KELLYVILLE...KIEFER...MOUNDS...SLICK...BROKEN ARROW...COLLINSVILLE...
GLENPOOL...OWASSO...JENKS...BIXBY...TULSA...OOLOGAH...VERDIGRIS...
CATOOSA AND CLAREMORE

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

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

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 10:22 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee38 min
Apr 19, 10:33 PM CDTSevere Thunderstorm WarningTSACreek, Okfuskee42 min
Apr 19, 11:02 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee, Washington58 min
Apr 19, 11:06 PM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee54 min
Apr 19, 11:14 PM CDTSevere Thunderstorm WarningTSACreek46 min
Apr 19, 11:29 PM CDTSevere Thunderstorm WarningTSAOkmulgee, Tulsa, Wagoner61 min
Apr 19, 11:29 PM CDTSevere Thunderstorm WarningTSAMuskogee61 min
Apr 19, 11:37 PM CDTSevere Thunderstorm WarningTSANowata38 min
Apr 19, 11:46 PM CDTTornado WarningTSAMuskogee, Wagoner44 min
Apr 19, 11:59 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa46 min
Apr 20, 12:01 AM CDTSevere Thunderstorm WarningTSACraig, Ottawa59 min
Apr 20, 12:17 AM CDTSevere Thunderstorm WarningTSACherokee, Mayes, Muskogee58 min
Apr 20, 12:23 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg52 min
Apr 20, 12:40 AM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee, Sequoyah65 min
Apr 20, 12:44 AM CDTSevere Thunderstorm WarningTSAAdair, Delaware46 min
Apr 20, 1:21 AM CDTSevere Thunderstorm WarningTSAAdair, Sequoyah54 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.