Alert archive / Illinois / Tornado Warnings in 1991

Tornado Warning 12, NWS Lincoln, IL

May 14, 1991Tazewell County, Illinois

NWS Lincoln, IL issued this tornado warning at May 14, 1991, 10:38 AM CDT for Tazewell County, Illinois. It was in force for 67 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 14, 1991, 10:38 AM CDT (15:38 UTC)
Expired
May 14, 1991, 11:45 AM CDT
In force
67 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Tazewell County, IL

What was reported inside it

TimeReportWhereRemark
May 14, 11:15 AM CDTTornado F0Tazewell, IL
May 14, 11:30 AM CDTTornado F0Tazewell, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 3.6 hours before the alert went out and 389 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, Paducah/Barkley, KY at 12:00Z on 1991-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 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, Paducah/Barkley, KY at 12:00Z on 1991-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 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
64 J/kg
Mixed-layer CIN
-372 J/kg
Mixed-layer LCL
1288 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPIA 141538
TORPIA
ILC179-141645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
1038 AM CDT TUE MAY 14 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1145 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE CENTRAL PART OF ILLINOIS
      TAZEWELL

AT 10:30 AM... TORNADOES WERE REPORTED BY LAW ENFOCEMENT OFFICIALS
IN SOUTHEAST TAZEWELL COUNTY AROUND MINIER AND ARNOUND ARMINGTON.

REPORTS INDICATED THAT THE TORNADOWS WERE MOVING TO THE NORTH AT
ABOUT 15 MPH.

OTHER TOWNS IN THE PATH WERE MACKINAW AND LILY.

IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT SHELTER
IF AVAILABLE...OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

ATTN ISP 8

JACOBS

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 14, 5:23 AM CDT, 5 hours 15 minutes before
ILZ005>007-009-141630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
500 AM CDT TUE MAY 14 1991

SHOWERS AND THUNDERSHOWERS CONTINUE OVER CENTRAL ILLINOIS. A 5 AM...
A THUNDERSTORM WITH HEAVY RAIN WAS DETECTED IN EASTERN STARK AND WESTERN
MARSHALL COUNTY. THE HEAVIEST PRECIPITATION WAS OCCURRING NEAR LA PRARIE
CENTER...15 MILES NORTH OF PEORIA. THIS THUNDERSTORM WAS MOVING TO THE
SOUTHEAST AT AROUND 15 MPH.

DURING THE LAST HOUR...DENSE FOG HAD DEVELOPED IN THE PEORIA AREA...REDUCING
THE VISIBILITY TO ONE HALF MILE.

SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER THE NEXT SEVERAL HOURS ACROSS
THE HEART OF ILLINOIS. WE CAN ALSO EXPECT AREAS OF FOG TO DEVELOP ACROSS THE
ENTIRE REGION. MOTORIST SHOULD USE EXTRA CAUTION THROUGH THE MORNING HOURS
AS VISISBILITIES WILL BE REDUCED IN SOME AREAS DUE TO DENSE FOG AND ALSO
HEAVY RAINS IN SOME AREAS.
BREESER
Special weather statement, May 14, 8:00 AM CDT, 2 hours 38 minutes before
ILZ005>007-009-141630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
800 AM CDT TUE MAY 14 1991

AT 745 A THUNDERSTORM WAS DETECTED IN SOUTHWESTERN FULTON COUNTY NEAR
ASTORIA...45 MILES TO THE SOUTHWEST OF PEORIA. VERY HEAVY RAIN AND POSSIBLY
SOME SMALL HAIL COULD BE ASSOCIATED WITH THIS THUNDERSTORM. THE STORM IS
MOVING TO THE NORTHEAST ALONG THE ILLINOIS RIVER AT ABOUT 15 MPH. DUE TO THE
SLOW MOVEMENT AND HEVY RAIN WITH THIS STORM YTHE POSSIBILITY EXIST FOR MINOR
FLODING OF STREETS LOW LYING AGRICULTURAL AREA.

BREESER
Special weather statement, May 14, 9:01 AM CDT, 1 hour 37 minutes before
ILZ005>007-009-141500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
900 AM CDT TUE MAY 14 1991

...SCATTERED THUNDERSTORMS CONTINUE ACROSS WEST AND CENTRAL ILLINOIS...

AT 8:57 THIS MORNING... RADAR INDICATED A STRONG THUNDERSTORM PRODUCING
SOME VERY HEAVY RAINFALL IN EASTERN FULTON COUNTY NEAR HAVANA. THE STORM
HAS WEAKENED SOMEWHAT DURING THE PAST HOUR BUT IS STILL CAPABLE OF
PRODUCING GUSTY WINDS AND SMALL HAIL ALONG WITH THE HEAVY RAIN.

THE STORM WAS MOVING NORTHEAST AT 15 MPH AND WILL MOVE UP ALONG THE ILLINOIS
RIVER IN THE GENERAL DIRECTION OF PEORIA.  IF THE STORM HOLDS TOGETHER IT
MAY BE EXPECTED TO REACH THE SOUTHERN SECTIONS OF PEORIA BY ABOUT 10:30 AM.

OTHER THUNDERSTORMS WERE OUT IN WESTERN ILLINOIS NEAR QUINCY. THOSE THUNDER-
STORMS WERE ALSO MOVING SLOWLY NORTHEAST TO HANCOCK AND SCHUYLER COUNTIES.

JACOBS

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 11:12 AM CDTTornado WarningILXDeWitt, Macon63 min
May 14, 11:14 AM CDTTornado WarningILXMcLean61 min
May 14, 12:15 PM CDTTornado WarningILXMcLean35 min
May 14, 12:16 PM CDTSevere Thunderstorm WarningILXLogan, Macon59 min
May 14, 12:33 PM CDTSevere Thunderstorm WarningILXChampaign57 min
May 14, 1:20 PM CDTTornado WarningILXColes, Douglas, Moultrie25 min
May 14, 2:00 PM CDTTornado WarningILXColes, Douglas, Edgar45 min
May 14, 2:48 PM CDTTornado WarningILXClark27 min
May 14, 3:00 PM CDTSevere Thunderstorm WarningILXBureau60 min
May 14, 4:46 PM CDTSevere Thunderstorm WarningILXMacoupin, Montgomery, Sangamon44 min
May 14, 5:53 PM CDTSevere Thunderstorm WarningILXMacoupin, Montgomery52 min

Nearby

Tornado Warnings in Illinois, 1991Every tornado warning in 1991Tornadoes in 1991

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.