Alert archive / Illinois / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 150, NWS Paducah, KY

June 2, 1998Pope County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Jun 2, 1998, 9:48 PM CDT for Pope County, Illinois. It was in force for 42 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
Jun 2, 1998, 9:48 PM CDT (02:48 UTC)
Expired
Jun 2, 1998, 10:30 PM CDT
In force
42 min
Issued by
NWS Paducah, KY
Area
Whole counties

County Pope County, IL

The radar

The Paducah radar (KPAH), 43 km from the middle of the area, began a volume at 02:52 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.8 hours before the alert went out and 226 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, Nashville Metro, TN at 00:00Z on 1998-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3179 joules per kilogram.LCLEL10008507005003002001001 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, Nashville Metro, TN at 00:00Z on 1998-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897Sfc1 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
3179 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1434 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.0

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 Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 9:52 PM CDTSevere Thunderstorm WarningPAHMuhlenberg53 min
Jun 2, 10:03 PM CDTSevere Thunderstorm WarningPAHLivingston42 min
Jun 2, 10:06 PM CDTSevere Thunderstorm WarningPAHHopkins39 min
Jun 2, 10:13 PM CDTSevere Thunderstorm WarningPAHCrittenden47 min
Jun 2, 10:15 PM CDTSevere Thunderstorm WarningPAHChristian50 min
Jun 2, 10:23 PM CDTSevere Thunderstorm WarningPAHTodd52 min
Jun 2, 10:28 PM CDTSevere Thunderstorm WarningPAHCaldwell47 min
Jun 2, 10:57 PM CDTSevere Thunderstorm WarningPAHChristian, Trigg48 min

Nearby

Severe Thunderstorm Warnings in Illinois, 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; radar from the NEXRAD Level II archive.