Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 85, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 26, 1993, 6:17 PM CDT for Boone County, Illinois. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jun 26, 1993, 6:17 PM CDT (23:17 UTC)
- Expired
- Jun 26, 1993, 7:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Boone County, IL
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.3 hours before the alert went out and 247 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
- 1 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1709 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 91 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, Jun 26, 5:25 PM CDT, 52 minutes before
ILZ005>007-009-262330- SPECIAL WEATHER STATEMENT... NATIONAL WEATHER SERVICE PEORIA IL 525 PM CDT SAT JUN 26 1993 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM FOR BUREAU AND PUTNAM COUNTIES... AT 520 PM... THERE WERE NO THUNDERSTORMS NEAR BUREAU OR PUTNAM COUNTY. STRONG THUNDERSTORMS...SOME SEVERE WERE ALONG THE ILLINOIS-WISCONSIN BORDER AND WERE MOVING EAST AT 40 MPH. THESE STORMS WERE FORMING IN ADVANCE OF A COLD FRONT MOVING INTO EASTERN IOWA. AS THIS FRONT MOVES CLOSER TO ILLINOIS... SOME STRONG AND POSSIBLY SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PUTNAM AND BUREAU COUNTIES. STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR FUTHER STATEMENTS OR POSSIBLE WARNINGS. MOGGED
Special weather statement, Jun 26, 5:28 PM CDT, 49 minutes before
ILZ005>007-009-262330- SPECIAL WEATHER STATEMENT... NATIONAL WEATHER SERVICE PEORIA IL 525 PM CDT SAT JUN 26 1993 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM FOR BUREAU AND PUTNAM COUNTIES... AT 520 PM... THERE WERE NO THUNDERSTORMS NEAR BUREAU OR PUTNAM COUNTY. STRONG THUNDERSTORMS...SOME SEVERE WERE ALONG THE ILLINOIS-WISCONSIN BORDER AND WERE MOVING EAST AT 40 MPH. THESE STORMS WERE FORMING IN ADVANCE OF A COLD FRONT MOVING INTO EASTERN IOWA. AS THIS FRONT MOVES CLOSER TO ILLINOIS... SOME STRONG AND POSSIBLY SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PUTNAM AND BUREAU COUNTIES. STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR FUTHER STATEMENTS OR POSSIBLE WARNINGS. MOGGED
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 4:57 PM CDT | Severe Thunderstorm Warning | ILX | Winnebago | 33 min |
| Jun 26, 5:56 PM CDT | Tornado Warning | ILX | Winnebago | 34 min |
| Jun 26, 6:17 PM CDT | Severe Thunderstorm Warning | ILX | Jo Daviess, Stephenson, Winnebago | 43 min |
| Jun 26, 6:43 PM CDT | Tornado Warning | ILX | Carroll, Ogle | 32 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1993Every severe thunderstorm warning in 1993
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.