Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 116, NWS Lincoln, IL

June 24, 1996DeWitt County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 24, 1996, 12:34 AM CDT for DeWitt County, Illinois. 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
Jun 24, 1996, 12:34 AM CDT (05:34 UTC)
Expired
Jun 24, 1996, 1:15 AM CDT
In force
41 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County DeWitt County, IL

The radar

The Lincoln radar (KILX), 37 km from the middle of the area, began a volume at 05:34 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

Lincoln, IL (KILX), launched 00:00Z, 5.6 hours before the alert went out and 26 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 00:00Z on 1996-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3075 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, Lincoln, IL at 00:00Z on 1996-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
3075 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.5

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 23, 2:23 PM CDT, 10 hours 11 minutes earlier.

Area forecast discussion, Jun 23, 2:23 PM CDT, 10 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
220 PM CDT SAT JUN 22 1996

STORMS CONT TO FIRE ALONG HIGHEST DWPT AXIS AND MOV NE.  BEHIND FRNT
DIR SHR NIL W/ LITTLE SPD SHR.  N OF FNT GOOD DIR SHR AS SFC WNDS FRM
SE.  STORMS SHLD CONT TO FIRE SOUTH OF FRNT ALONG MOIST AXIS AND OUTFLW
BNDRIES COULD ALSO INTERACT W/ STORMS TO PRODUC STRNGR ONES.  IF MCS
DVLPS OVR SRN IA...SHLD MOV ALONG THCK AND TRACK EAST...OR LIKE LAST
NIGHT TRACK NE INTO NRN IL AND SRN WI.  CRNT FCST APPEARS TO BE ON
TRACK W/ TSTMS THIS EVE AND TON.  MDL BRNGS FRNT BACK INTO CWA TOM MORN
AS STNRY W/ PSBLITY OF MORE PCPN TOM AND TUE.  HIGHS TOM WL BE TRICKY
DEPENDG ON CLD CVR.  MOS TMPS LOOK FINE W/ PTLY SUNNY SKIES.  WNDS WL
ALSO BE DEPENDENT ON FNT POSIT.

PIA  69/86  63
SPI  70/89  63
DEC  70/88  63
CMI  69/86  55
SEIL 71/89  63

AUTEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 10:51 PM CDTSevere Thunderstorm WarningILXMason, Tazewell44 min
Jun 23, 11:21 PM CDTSevere Thunderstorm WarningILXLogan, Tazewell54 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; radar from the NEXRAD Level II archive.