Alert archive / Illinois / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 83, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jul 18, 2007, 3:24 AM CDT for Ford County, Livingston County, Illinois. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 18, 2007, 3:24 AM CDT (08:24 UTC)
- Expired
- Jul 18, 2007, 4:00 AM CDT
- In force
- 36 min
- Issued by
- NWS Chicago, IL
- Area
- Counties, with a storm outline in the text
Counties Ford County, IL, Livingston County, IL
The radar
The Chicago radar (KLOT), 99 km from the middle of the area, began a volume at 08:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
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 Chicago, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 3:11 AM CDT, 13 minutes earlier.
Area forecast discussion, Jul 18, 3:11 AM CDT, 13 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 950 PM CDT TUE JUL 17 2007 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 181015- WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE- DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON- IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON- 950 PM CDT TUE JUL 17 2007 /500 PM EDT TUE JUL 17 2007/ THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA. .DAY ONE...TONIGHT. A FLOOD WATCH IS IN EFFECT UNTIL 6 AM WEDNESDAY. THUNDERSTORMS ARE EXPECTED TO MOVE BACK INTO THE REGION TONIGHT. SOME STORMS COULD PRODUCE HEAVY RAINFALL RESULTING IN FLOODING. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS. A FEW STORMS COULD PRODUCE LARGE HAIL OR DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY AND THURSDAY. A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS ACROSS THE AREA WEDNESDAY AND WEDNESDAY NIGHT. IN ADDITION TO ANY SEVERE THREAT THESE STORMS WILL ALSO BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED OVERNIGHT. ANY REPORTS OF HEAVY RAINFALL...LARGE HAIL OR HIGH WINDS ARE APPRECIATED. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO LMZ740>745-766-181015- WINTHROP HARBOR TO WILMETTE HARBOR IL- WILMETTE HARBOR TO NORTHERLY ISLAND IL- NORTHERLY ISLAND TO CALUMET HARBOR IL- CALUMET HARBOR IL TO GARY IN-GARY INDIANA TO BURNS HARBOR- BURNS HARBOR TO MICHIGAN CITY- LAKE MICHIGAN, WINTHROP HARBOR IL EASTWARD TO THE MID- POINT OF THE LAKE AND SOUTHWARD TO MICHIGAN CITY MI BEYOND 5 NM OFFSHORE- 950 PM CDT TUE JUL 17 2007 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS AND INDIANA WATERS OF LAKE MICHIGAN. .DAY ONE...TONIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED LATE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY AND THURSDAY. A SMALL CRAFT ADVISORY MAY BE NEEDED THURSDAY. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO
In the hours before
Local storm report, Jul 18, 1:01 AM CDT, 2 hours 23 minutes before
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</html>Local storm report, Jul 18, 1:11 AM CDT, 2 hours 13 minutes before
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</html>Local storm report, Jul 18, 1:45 AM CDT, 1 hour 39 minutes before
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</html>Local storm report, Jul 18, 2:51 AM CDT, 33 minutes before
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</p>
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:13 AM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 62 min |
| Jul 18, 12:49 AM CDT | Flash Flood Warning | LOT | Lee | 6 hr |
| Jul 18, 3:31 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 44 min |
| Jul 18, 4:22 AM CDT | Flash Flood Warning | LOT | LaSalle | 6 hr |
| Jul 18, 7:20 AM CDT | Flash Flood Warning | LOT | Livingston | 6 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 2007Every severe thunderstorm warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.