Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 555, NWS Norman, OK

October 3, 1998Archer County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Oct 3, 1998, 7:34 PM CDT for Archer County, Texas. It was in force for 41 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
Oct 3, 1998, 7:34 PM CDT (00:34 UTC)
Expired
Oct 3, 1998, 8:15 PM CDT
In force
41 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Archer County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 3, 3:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 214 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 1998-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1358 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 1998-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.1939Sfc1 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
1358 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.1

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 3, 2:50 PM CDT, 4 hours 44 minutes earlier.

Area forecast discussion, Oct 3, 2:50 PM CDT, 4 hours 44 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 2:21 PM CDTSevere Thunderstorm WarningOUNWoodward24 min
Oct 4, 2:44 PM CDTSevere Thunderstorm WarningOUNMajor, Woods, Woodward46 min
Oct 4, 3:22 PM CDTSevere Thunderstorm WarningOUNAlfalfa68 min
Oct 4, 3:25 PM CDTTornado WarningOUNAlfalfa, Major, Woods35 min
Oct 4, 3:34 PM CDTSevere Thunderstorm WarningOUNMajor41 min
Oct 4, 3:43 PM CDTSevere Thunderstorm WarningOUNCuster, Washita47 min
Oct 4, 3:57 PM CDTTornado WarningOUNAlfalfa, Major, Woods48 min
Oct 4, 4:09 PM CDTSevere Thunderstorm WarningOUNGrant66 min
Oct 4, 4:23 PM CDTTornado WarningOUNGrant52 min
Oct 4, 4:29 PM CDTSevere Thunderstorm WarningOUNBlaine, Custer46 min
Oct 4, 4:42 PM CDTTornado WarningOUNBlaine33 min
Oct 4, 4:43 PM CDTSevere Thunderstorm WarningOUNAlfalfa47 min
Oct 4, 4:56 PM CDTSevere Thunderstorm WarningOUNCanadian49 min
Oct 4, 5:00 PM CDTSevere Thunderstorm WarningOUNGarfield45 min
Oct 4, 5:08 PM CDTSevere Thunderstorm WarningOUNCaddo, Comanche52 min
Oct 4, 5:12 PM CDTFlash Flood WarningOUNAlfalfa, Grant3 hr
Oct 4, 5:12 PM CDTTornado WarningOUNGrant, Kay48 min
Oct 4, 5:16 PM CDTSevere Thunderstorm WarningOUNKiowa49 min
Oct 4, 5:26 PM CDTSevere Thunderstorm WarningOUNAlfalfa49 min
Oct 4, 5:37 PM CDTSevere Thunderstorm WarningOUNCaddo, Grady38 min
Oct 4, 5:42 PM CDTTornado WarningOUNBlaine33 min
Oct 4, 5:45 PM CDTSevere Thunderstorm WarningOUNKingfisher45 min
Oct 4, 5:48 PM CDTTornado WarningOUNCaddo32 min
Oct 4, 5:54 PM CDTTornado WarningOUNCaddo, Comanche, Kiowa36 min
Oct 4, 5:56 PM CDTTornado WarningOUNKay49 min
Oct 4, 5:56 PM CDTTornado WarningOUNGarfield, Kingfisher34 min
Oct 4, 5:58 PM CDTSevere Thunderstorm WarningOUNGrant47 min
Oct 4, 6:01 PM CDTSevere Thunderstorm WarningOUNCaddo, Grady44 min
Oct 4, 6:10 PM CDTTornado WarningOUNGrant35 min
Oct 4, 6:11 PM CDTSevere Thunderstorm WarningOUNCanadian49 min
Oct 4, 6:16 PM CDTTornado WarningOUNKingfisher29 min
Oct 4, 6:17 PM CDTTornado WarningOUNCaddo, Comanche33 min
Oct 4, 6:20 PM CDTFlash Flood WarningOUNKay3 hr
Oct 4, 6:29 PM CDTSevere Thunderstorm WarningOUNGarfield31 min
Oct 4, 6:35 PM CDTTornado WarningOUNGarfield, Noble40 min
Oct 4, 6:36 PM CDTTornado WarningOUNKingfisher, Logan39 min
Oct 4, 6:39 PM CDTTornado WarningOUNPayne36 min
Oct 4, 6:42 PM CDTSevere Thunderstorm WarningOUNGrant48 min
Oct 4, 6:43 PM CDTTornado WarningOUNCaddo, Grady32 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.