Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 60, NWS Lincoln, IL

May 8, 1996Clark County, Clay County, Jasper County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 8, 1996, 1:50 PM CDT for Clark County, Clay County, Jasper County, Illinois. It was in force for 25 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 8, 1996, 1:50 PM CDT (18:50 UTC)
Expired: May 8, 1996, 2:15 PM CDT
In force: 25 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Clark County, IL, Clay County, IL, Jasper County, IL

What was reported inside it

Time	Report	Where	Remark
May 8, 2:01 PM CDT	Tornado F0	Falmouth, IL
May 8, 2:10 PM CDT	Thunderstorm Wind	Walnut Prairie, IL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 6.8 hours before the alert went out and 350 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 494 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 304 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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 9:55 AM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, May 8, 9:55 AM CDT, 3 hours 55 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
955 AM CDT WED MAY 8 1996

MCS OVR SRN IA AND NRN MO WL CONT TO MOV EAST W/ MORE HVY RAIN XPCTD
THIS MORN AND EARLY AFTN.  INDIV CELLS MOVG SE AS PER CORFIDI VECTOR AND
COLDER TOPS ON SAT LOOP.  850 JET +50KTS AT 12Z HELPING TO FEED CRNT
RAIN OVR AREA NOW.  ETA PROGS LLJ TO WEAKEN THIS AFTN BUT 14Z PROFILER
STILL SHOWS 50KT JET STILL OVR KS AND 40KTS OVR MO.  MCS OVR SRN IA MAY
NOT DIMINSH DRNG DAY.  RECOMMEND CONTG FFA OVR CNTRL IL THIS AFTN.  NXT
MCS SHLD DVP NR SAME POSIT TON PROVIDING MORE HVY RAIN OVR AREA OF
ALREADY SAT GRNDS. RECOMMEND ANOTHER FFA FOR TON/OVRNIGHT.  SVR MAY BE
LIMITED TO WEST OF CWA TON AND THE ONSET OF MCS DVP.  IF ANY SVR WL BE
HAIL AND WNDS.  PROG PROFILE FOR THIS AFTN DOES NOT SUPPORT
SUPERCELLS...DOES SUPPORT HVY RAIN.  BEST CHC FOR SUPERCELLS WL BE W/
HIGHER CAPE AND LI'S OVR NRN MO/SRN IA.

WRM FRNT WL MOV NORTH OF CWA YET CLD COVER MAY HOLD TEMPS DOWN A TAD.

PIA      73/58  +7
SPI      75/60  +7
DEC      74/59  +7
CMI      73/58  +7
SERN IL  78/62  87

AUTEN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 4:20 AM CDT	Flash Flood Warning	ILX	Cass, Schuyler	3 hr
May 8, 4:20 AM CDT	Flash Flood Warning	ILX	Christian, Sangamon	3 hr
May 8, 5:01 AM CDT	Flash Flood Warning	ILX	Cumberland, Jasper	3 hr
May 8, 5:01 AM CDT	Flash Flood Warning	ILX	Crawford	3 hr
May 8, 7:30 AM CDT	Flash Flood Warning	ILX	Cass, Sangamon, Schuyler	4 hr
May 8, 8:03 AM CDT	Flash Flood Warning	ILX	Crawford, Jasper	3 hr
May 8, 8:03 AM CDT	Flash Flood Warning	ILX	Cumberland, Effingham	3 hr
May 8, 9:42 AM CDT	Flash Flood Warning	ILX	Logan, Menard	2 hr
May 8, 10:59 AM CDT	Flash Flood Warning	ILX	Cass, Mason, Menard, Morgan, Sangamon, Schuyler	5 hr
May 8, 10:59 AM CDT	Flash Flood Warning	ILX	Fulton	5 hr
May 8, 10:59 AM CDT	Flash Flood Warning	ILX	Logan	5 hr
May 8, 12:03 PM CDT	Flash Flood Warning	ILX	Champaign, Douglas, Macon, Moultrie, Piatt	3 hr
May 8, 12:49 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	41 min
May 8, 1:12 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie	33 min
May 8, 1:34 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Edgar	41 min
May 8, 1:37 PM CDT	Severe Thunderstorm Warning	ILX	Cumberland, Effingham	38 min
May 8, 2:15 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Crawford, Jasper, Richland	30 min
May 8, 2:47 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Lawrence, Richland	43 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1996 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.