Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 40, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 17, 1993, 6:29 PM CDT for Boone County, Winnebago County, Illinois. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Jun 17, 1993, 6:29 PM CDT (23:29 UTC)
- Expired
- Jun 17, 1993, 7:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Boone County, IL, Winnebago County, IL
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.5 hours before the alert went out and 465 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
- 13 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- -16 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 17, 3:30 PM CDT, 2 hours 59 minutes before
ILZ007-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 330 PM CDT THU JUN 17 1993 ...A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN AND WESTERN ILLINOIS... AT 325 PM... THUNDERSTORMS WERE IN KNOX COUNTY NEAR THE TOWN OF KNOXVILLE AND GALESBURG. THESE STORMS WERE MOVING EAST NORTHEAST AT 30 MPH. CONDITIONS ARE FAVORABLE FOR THESE STORMS TO BECOME SEVERE AS WE REACH THE WARMEST TIME OF THE DAY. THESE STORMS WILL CONTINUE TO MOVE EAST... REACHING NEARBY STARK AND BUREAU COUNTIES BY 430 PM. STAY TUNED TO NOAA WEATHER RADIO... LOCAL TELEVISION AND RADIO FOR FURTHER STATEMENNTS AND POSSIBLE WARNINGS. MOGGED
Special weather statement, Jun 17, 3:33 PM CDT, 2 hours 56 minutes before
ILZ007-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 330 PM CDT THU JUN 17 1993 ...A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN AND WESTERN ILLINOIS... AT 325 PM... THUNDERSTORMS WERE IN KNOX COUNTY NEAR THE TOWN OF KNOXVILLE AND GALESBURG. THESE STORMS WERE MOVING EAST NORTHEAST AT 30 MPH. CONDITIONS ARE FAVORABLE FOR THESE STORMS TO BECOME SEVERE AS WE REACH THE WARMEST TIME OF THE DAY. THESE STORMS WILL CONT0INUE TO MOVE EAST... REACHING NEARBY STARK AND BUREAU COUNTIES BY 430 PM. STAY TUNED TO NOAA WEATHER RADIO... LOCAL TELEVISION AND RADIO FOR FURTHER STATEMENNTS AND POSSIBLE WARNINGS. MOGGED
Special weather statement, Jun 17, 4:30 PM CDT, 1 hour 59 minutes before
ILZ007-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 430 PM CDT THU JUN 17 1993 ...A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN AND WESTERN ILLINOIS... AT 425 PM... AN ISOLATED THUNDERSTORM WAS ENTERING THE NORTHWEST CORNER OF BUREAU COUNTY. THIS STORM WAS MOVING EAST NORTHEAST AT 20 MPH. THIS STORM WILL AFFECT THE TOWNS OF THOMAS... NEW BEDFORD AND YORKTOWN... ALL IN THE NORTHWEST CORNER OF BUREAU COUNTY THROUGH 530 PM. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT ACROSS THE WESTERN AND NORTHERN PORTIONS OF THE HEARTLAND. STAY TUNED TO NOAA WEATHER RADIO... LOCAL TELEVISION AND RADIO FOR FURTHER STATEMENNTS AND POSSIBLE WARNINGS. MOGGED
Special weather statement, Jun 17, 4:36 PM CDT, 1 hour 53 minutes before
ILZ007-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 430 PM CDT THU JUN 17 1993 ...A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN AND WESTERN ILLINOIS... AT 425 PM... AN ISOLATED THUNDERSTORM WAS ENTERING THE NORTHWEST CORNER OF BUREAU COUNTY. THIS STORM WAS MOVING EAST NORTHEAST AT 20 MPH. THIS STORM WILL AFFECT THE TOWNS OF THOMAS... NEW BEDFORD AND YORKTOWN... ALL IN THE NORTHWEST CORNER OF BUREAU COUNTY THROUGH 530 PM. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT ACROSS THE WESTERN AND NORTHERN PORTIONS OF THE HEARTLAND. STAY TUNED TO NOAA WEATHER RADIO... LOCAL TELEVISION AND RADIO FOR FURTHER STATEMENNTS AND POSSIBLE WARNINGS. ^MOGGED
Special weather statement, Jun 17, 5:35 PM CDT, 54 minutes before
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<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 1:56 PM CDT | Severe Thunderstorm Warning | ILX | Stephenson | 49 min |
| Jun 17, 2:48 PM CDT | Severe Thunderstorm Warning | ILX | Stephenson | 42 min |
| Jun 17, 5:26 PM CDT | Severe Thunderstorm Warning | ILX | Lee, Ogle | 49 min |
| Jun 17, 5:59 PM CDT | Tornado Warning | ILX | Ogle, Winnebago | 31 min |
| Jun 17, 6:52 PM CDT | Severe Thunderstorm Warning | ILX | Carroll | 31 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.