Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 13, NWS Norman, OK

February 22, 2000Comanche County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Feb 22, 2000, 4:53 PM CST for Comanche County, Oklahoma. It was in force for 42 min. 1 report 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
Feb 22, 2000, 4:53 PM CST (22:53 UTC)
Expired
Feb 22, 2000, 5:35 PM CST
In force
42 min
Issued by
NWS Norman, OK
Area
Whole counties

County Comanche County, OK

What was reported inside it

TimeReportWhereRemark
Feb 22, 5:11 PM CSTHail 1Indiahoma, 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
Feb 22, 2:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.9 hours before the alert went out and 116 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 12:00Z on 2000-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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 12:00Z on 2000-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
39 J/kg
Mixed-layer CIN
-444 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 2:03 PM CSTSevere Thunderstorm WarningOUNRoger Mills42 min
Feb 22, 2:29 PM CSTSevere Thunderstorm WarningOUNDewey31 min
Feb 22, 4:05 PM CSTTornado WarningOUNJackson, Tillman25 min
Feb 22, 4:27 PM CSTTornado WarningOUNJackson, Kiowa48 min
Feb 22, 4:30 PM CSTSevere Thunderstorm WarningOUNTillman30 min
Feb 22, 5:02 PM CSTSevere Thunderstorm WarningOUNTillman43 min
Feb 22, 5:14 PM CSTSevere Thunderstorm WarningOUNKiowa36 min
Feb 22, 5:26 PM CSTSevere Thunderstorm WarningOUNCaddo, Comanche49 min
Feb 22, 5:42 PM CSTSevere Thunderstorm WarningOUNCotton38 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.