Alert archive / Illinois / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 35, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 14, 1991, 12:33 PM CDT for Champaign County, Illinois. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- May 14, 1991, 12:33 PM CDT (17:33 UTC)
- Expired
- May 14, 1991, 1:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Champaign County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 5.6 hours before the alert went out and 344 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.
- 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
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.
In the hours before
Special weather statement, May 14, 8:00 AM CDT, 4 hours 33 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, 3 hours 32 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 10:38 AM CDT | Tornado Warning | ILX | Tazewell | 67 min |
| May 14, 11:12 AM CDT | Tornado Warning | ILX | DeWitt, Macon | 63 min |
| May 14, 11:14 AM CDT | Tornado Warning | ILX | McLean | 61 min |
| May 14, 12:15 PM CDT | Tornado Warning | ILX | McLean | 35 min |
| May 14, 12:16 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Macon | 59 min |
| May 14, 1:20 PM CDT | Tornado Warning | ILX | Coles, Douglas, Moultrie | 25 min |
| May 14, 2:00 PM CDT | Tornado Warning | ILX | Coles, Douglas, Edgar | 45 min |
| May 14, 2:48 PM CDT | Tornado Warning | ILX | Clark | 27 min |
| May 14, 3:00 PM CDT | Severe Thunderstorm Warning | ILX | Bureau | 60 min |
| May 14, 4:46 PM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Montgomery, Sangamon | 44 min |
| May 14, 5:53 PM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Montgomery | 52 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1991Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.