Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 110, NWS Lincoln, IL

June 17, 1996Crawford County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 17, 1996, 6:57 PM CDT for Crawford County, Illinois. It was in force for 33 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 17, 1996, 6:57 PM CDT (23:57 UTC)
Expired
Jun 17, 1996, 7:30 PM CDT
In force
33 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Crawford County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 12.0 hours before the alert went out and 146 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, Lincoln, IL at 12:00Z on 1996-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1323 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, Lincoln, IL at 12:00Z on 1996-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
1323 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1130 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
45 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.

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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 2:04 PM CDT, 4 hours 53 minutes earlier.

Area forecast discussion, Jun 17, 2:04 PM CDT, 4 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
200 PM CDT MON JUN 17 1996

LATEST ADAP AND MAPS DATA SHOWS GOOD MOISTURE CONV ACROSS WRN IL WHERE
TRWS ARE POPPING UP.  SVR WX BOXES POSTED FOR MOST OF CWA...SO NO TIME
FOR A DISCUSSION.

PIA  68/83  +7
SPI  68/85  +7
DEC  68/85  +7
CMI  67/84  +8
SEIL 70/86  +6

KETCHAM

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 3:01 PM CDTSevere Thunderstorm WarningILXMacon44 min
Jun 17, 3:06 PM CDTSevere Thunderstorm WarningILXLogan39 min
Jun 17, 3:34 PM CDTSevere Thunderstorm WarningILXDeWitt, McLean26 min
Jun 17, 5:07 PM CDTSevere Thunderstorm WarningILXShelby38 min
Jun 17, 6:09 PM CDTSevere Thunderstorm WarningILXCumberland, Effingham, Jasper36 min
Jun 17, 6:27 PM CDTSevere Thunderstorm WarningILXEdgar48 min
Jun 17, 6:47 PM CDTTornado WarningILXEdgar, Vermilion43 min
Jun 17, 6:57 PM CDTSevere Thunderstorm WarningILXClark, Cumberland, Jasper33 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1996Every severe thunderstorm warning in 1996

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.