Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 11, NWS Norman, OK

January 31, 1998Baylor County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Jan 31, 1998, 3:11 AM CST for Baylor County, Texas. It was in force for 34 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
Jan 31, 1998, 3:11 AM CST (09:11 UTC)
Expired
Jan 31, 1998, 3:45 AM CST
In force
34 min
Issued by
NWS Norman, OK
Area
Whole counties

County Baylor County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 9.2 hours before the alert went out and 199 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, Fort Worth, TX at 00:00Z on 1998-01-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 196 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, Fort Worth, TX at 00:00Z on 1998-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
196 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1103 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Jan 30, 9:20 PM CST, 5 hours 51 minutes earlier.

Area forecast discussion, Jan 30, 9:20 PM CST, 5 hours 51 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 1:48 AM CSTSevere Thunderstorm WarningOUNBeckham, Greer27 min
Jan 31, 5:35 AM CSTFlash Flood WarningOUNGreer, Kiowa3 hr
Jan 31, 6:29 AM CSTSevere Thunderstorm WarningOUNCuster46 min
Jan 31, 3:39 AM CSTSevere Thunderstorm WarningOUNKnox36 min
Jan 31, 3:57 AM CSTSevere Thunderstorm WarningOUNBaylor33 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.