Alert archive / Oklahoma / Tornado Warnings in 2000

Tornado Warning 23, NWS Tulsa, OK

April 19, 2000Muskogee County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 19, 2000, 11:46 PM CDT for Muskogee County, Wagoner County, Oklahoma. It was in force for 44 min. 3 reports 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
Apr 19, 2000, 11:46 PM CDT (04:46 UTC)
Expired
Apr 20, 2000, 12:30 AM CDT
In force
44 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Muskogee County, OK, Wagoner County, OK

What was reported inside it

TimeReportWhereRemark
Apr 19, 11:48 PM CDTHail 0.88Stonebluff, OK
Apr 20, 12:00 AM CDTHail 1.75Haskell, OK
Apr 20, 12:12 AM CDTThunderstorm Wind 70 EBald Hill, 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
Apr 19, 10:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.8 hours before the alert went out and 173 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 
WFUS54 KTSA 200447
TORTUL
OKC101-145-200530-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1146 PM CDT WED APR 19 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  NORTHWESTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  WAGONER COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1230 AM CDT

* AT 1146 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION 6 MILES SOUTHWEST OF HASKELL. MOVING NORTHEAST AT 35
  MPH...THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...  HASKELL...
  STONEBLUFF...OKAY...PORTER...TULLAHASSEE AND WAGONER

IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING
STRAIGHT LINE WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE
PLACE NOW!

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

LAT...LON 3584 9587 3568 9580 3585 9530 3606 9543

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, 11:59 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa46 min
Apr 19, 11:59 PM CDTSevere Thunderstorm WarningTSACreek46 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

Tornado Warnings in Oklahoma, 2000Every tornado warning in 2000Tornadoes 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.