Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 56, NWS Norman, OK

March 30, 1998Ellis County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 30, 1998, 1:41 AM CST for Ellis County, Oklahoma. It was in force for 49 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
Mar 30, 1998, 1:41 AM CST (07:41 UTC)
Expired
Mar 30, 1998, 2:30 AM CST
In force
49 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Ellis County, OK

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 29, 11:15 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 7.7 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, Dodge City, at 00:00Z on 1998-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dodge City, at 00:00Z on 1998-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3453 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
203 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
Mar 30, 1:16 AM CSTSevere Thunderstorm WarningOUNHarper, Woods44 min
Mar 30, 2:17 AM CSTSevere Thunderstorm WarningOUNHarper, Woodward43 min
Mar 30, 3:22 AM CSTSevere Thunderstorm WarningOUNWoodward23 min
Mar 30, 12:20 PM CSTSevere Thunderstorm WarningOUNComanche, Grady40 min
Mar 30, 1:00 PM CSTSevere Thunderstorm WarningOUNCanadian, Grady45 min
Mar 30, 1:00 PM CSTSevere Thunderstorm WarningOUNCotton, Jefferson, Stephens45 min
Mar 30, 1:16 PM CSTSevere Thunderstorm WarningOUNCleveland, McClain44 min
Mar 30, 1:16 PM CSTSevere Thunderstorm WarningOUNKingfisher, Logan, Oklahoma44 min
Mar 30, 1:44 PM CSTSevere Thunderstorm WarningOUNGarvin, Grady, McClain, Stephens46 min
Mar 30, 1:44 PM CSTSevere Thunderstorm WarningOUNJefferson46 min
Mar 30, 2:29 PM CSTSevere Thunderstorm WarningOUNCarter, Garvin, Jefferson, Stephens46 min
Mar 30, 2:29 PM CSTSevere Thunderstorm WarningOUNCleveland, McClain46 min
Mar 30, 2:35 PM CSTSevere Thunderstorm WarningOUNKay40 min
Mar 30, 3:00 PM CSTSevere Thunderstorm WarningOUNPottawatomie45 min
Mar 30, 3:14 PM CSTSevere Thunderstorm WarningOUNCarter, Garvin, McClain, Murray46 min
Mar 30, 3:14 PM CSTSevere Thunderstorm WarningOUNLove46 min
Mar 30, 3:42 PM CSTSevere Thunderstorm WarningOUNPottawatomie63 min
Mar 30, 3:58 PM CSTSevere Thunderstorm WarningOUNCarter, Johnston, Murray, Pontotoc62 min
Mar 30, 3:58 PM CSTSevere Thunderstorm WarningOUNLove, Marshall62 min
Mar 30, 4:46 PM CSTSevere Thunderstorm WarningOUNCoal, Hughes59 min
Mar 30, 4:57 PM CSTSevere Thunderstorm WarningOUNJohnston, Marshall48 min
Mar 30, 5:36 PM CSTSevere Thunderstorm WarningOUNAtoka54 min
Mar 30, 5:46 PM CSTSevere Thunderstorm WarningOUNCoal29 min
Mar 30, 5:47 PM CSTSevere Thunderstorm WarningOUNBryan43 min
Mar 30, 5:59 PM CSTSevere Thunderstorm WarningOUNAtoka31 min
Mar 30, 12:44 PM CSTSevere Thunderstorm WarningOUNArcher, Clay, Wichita31 min
Mar 30, 1:12 PM CSTSevere Thunderstorm WarningOUNArcher, Clay48 min
Mar 30, 1:58 PM CSTSevere Thunderstorm WarningOUNClay47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998Every severe thunderstorm warning in 1998

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.