Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 145, NWS Norman, OK

April 17, 1990Love County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 17, 1990, 1:21 AM CDT for Love County, Oklahoma. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Apr 17, 1990, 1:21 AM CDT (06:21 UTC)
Expired
Apr 17, 1990, 2:30 AM CDT
In force
69 min
Issued by
NWS Norman, OK
Area
Whole counties

County Love County, OK

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.4 hours before the alert went out and 142 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 1990-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2818 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 1990-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
2818 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1378 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
60 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
Apr 16, 7:16 PM CDTSevere Thunderstorm WarningOUNEllis, Harper59 min
Apr 16, 7:28 PM CDTSevere Thunderstorm WarningOUNWoods62 min
Apr 16, 7:46 PM CDTSevere Thunderstorm WarningOUNLincoln59 min
Apr 16, 7:58 PM CDTSevere Thunderstorm WarningOUNPayne47 min
Apr 16, 8:38 PM CDTSevere Thunderstorm WarningOUNMajor, Woodward67 min
Apr 16, 8:42 PM CDTSevere Thunderstorm WarningOUNLincoln63 min
Apr 16, 8:56 PM CDTSevere Thunderstorm WarningOUNDewey, Ellis, Woodward64 min
Apr 16, 9:22 PM CDTSevere Thunderstorm WarningOUNBeckham, Custer, Washita98 min
Apr 16, 9:22 PM CDTSevere Thunderstorm WarningOUNRoger Mills98 min
Apr 16, 9:22 PM CDTSevere Thunderstorm WarningOUNGreer, Harmon98 min
Apr 16, 9:27 PM CDTSevere Thunderstorm WarningOUNPayne63 min
Apr 16, 9:40 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Garfield, Grant65 min
Apr 16, 9:40 PM CDTSevere Thunderstorm WarningOUNBlaine, Major65 min
Apr 16, 9:55 PM CDTSevere Thunderstorm WarningOUNCanadian, Oklahoma65 min
Apr 16, 10:50 PM CDTSevere Thunderstorm WarningOUNCanadian, Kingfisher, Logan, Oklahoma70 min
Apr 16, 10:50 PM CDTSevere Thunderstorm WarningOUNJackson, Kiowa70 min
Apr 16, 10:50 PM CDTSevere Thunderstorm WarningOUNGrady70 min
Apr 16, 11:02 PM CDTSevere Thunderstorm WarningOUNCleveland, McClain58 min
Apr 16, 11:41 PM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Stephens64 min
Apr 16, 11:41 PM CDTSevere Thunderstorm WarningOUNTillman64 min
Apr 16, 11:46 PM CDTSevere Thunderstorm WarningOUNLincoln, Pottawatomie74 min
Apr 16, 11:46 PM CDTSevere Thunderstorm WarningOUNSeminole74 min
Apr 16, 11:46 PM CDTSevere Thunderstorm WarningOUNGarvin74 min
Apr 16, 11:57 PM CDTSevere Thunderstorm WarningOUNOklahoma33 min
Apr 16, 11:57 PM CDTSevere Thunderstorm WarningOUNGrady33 min
Apr 17, 12:20 AM CDTSevere Thunderstorm WarningOUNCarter, Murray, Pontotoc70 min
Apr 17, 12:20 AM CDTSevere Thunderstorm WarningOUNHughes70 min
Apr 17, 1:21 AM CDTSevere Thunderstorm WarningOUNAtoka, Bryan, Marshall69 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1990Every severe thunderstorm warning in 1990

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.