Alert archive / Oklahoma / Tornado Warnings in 2000

Tornado Warning 19, NWS Norman, OK

March 26, 2000Atoka County, Oklahoma

NWS Norman, OK issued this tornado warning at Mar 26, 2000, 6:43 PM CST for Atoka County, Oklahoma. It was in force for 32 min. 2 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
Mar 26, 2000, 6:43 PM CST (00:43 UTC)
Expired
Mar 26, 2000, 7:15 PM CST
In force
32 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Atoka County, OK

What was reported inside it

TimeReportWhereRemark
Mar 26, 6:55 PM CSTTornado F1Daisy, OKThis tornado formed about 2.5 miles east of Daisy in extreme eastern Atoka County and was confirmed by a damage survey from a National Weather Service meteorologist. The tornado tracked for approximately 1/2 mile and sheared in half numerous large trees on or
Mar 26, 7:05 PM CSTHail 1.75Daisy, 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 26, 2:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.7 hours before the alert went out and 170 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 2000-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 765 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 2000-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
765 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1975 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 270046
TOROKC
OKC005-270115-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
643 PM CST SUN MAR 26 2000

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  EXTERME NORTHEASTERN ATOKA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 715 PM CST

* AT 643 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM  
  CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PORTION OF
  THE STORM WAS LOCATED 5 MILES NORTH-NORTHWEST OF DAISY...MOVING
  SOUTHEAST AT 30 MPH.  A TORNADO HAS BEEN REPORTED IN SOUTHERN 
  PITTSBURG COUNTY.

* LOCATIONS IN THE WARNING INCLUDE DAISY

TAKE COVER NOW. ABANDON MOBILE HOMES AND VEHICLES. MOVE TOh AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS.

DO NOT SEEK SHELTER UNDER TURNPIKE OVERPASSES.

LAT...LON 3460 9568 3460 9583 3452 9574 3451 9567

...SPEG.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 6:04 PM CSTSevere Thunderstorm WarningOUNHughes41 min
Mar 26, 7:15 PM CSTSevere Thunderstorm WarningOUNAtoka45 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.