NWS REPORT
Updated: January 9, 2008
A weather pattern more typical of early May than early January across northern Illinois brought severe weather to the area Monday afternoon. Originally two tornadoes were reported with these storms in Boone County and McHenry County along the Wisconsin border. On Tuesday, damage surveys conducted by National Weather Service personnel revealed one long continuous path from a single tornado. The tornado started at 3:30 PM about 1.2 miles north of Poplar Grove in Boone County and ended at 3:48 PM about 3.2 miles north-northeast of Harvard in McHenry County.
Tornado Rating --- EF3 on the Enhanced Fujita Scale
Maximum winds --- 136 to 165 MPH
Path Length --- 13.2 miles
Maximum width --- Around 100 yards
There were four injuries reported in Boone County and one in McHenry County.
Please refer to the full Public Information Statement for additional details.
This weather event was unusually intense and climatologically very rare. The National Weather Service has tornado records dating back to 1950. In this 58 year period of record, only one other tornado has ever been documented anywhere in north central or northeast Illinois in the month of January. That tornado occurred on January 25, 1950 at Momence in Kankakee County. It was rated F2 on the Fujita scale. It was a day similar to Monday with temperatures in the middle 60s. In fact, Chicago set the all time record high for the month of January, with a temperature of 67 degrees, on that date.
Damage Photos from Ground and Aerial SurveysConducted by NWS Personnel and Illinois Group 22 of the Civil Air Patrol
EF2 damage at Edwards Apple Orchard northeast of Poplar Grove near the intersection of Beaverton Road and Centerville Road.
EF3 tornado northeast of Poplar Grove." height="427" width="640">
House destroyed by EF3 tornado, also near intersection of Beaverton Road and Centerville Road.
EF3 tornado." height="480" width="640">
Ground-level view of house northeast of Poplar Grove destroyed by EF3 tornado.
House damaged by EF2 tornado at Edwards Apple Orchard.
tornadic storm." height="427" width="640">
Tracks showing where large hay bales were rolled through a field by the storm, near Boone School Road.
Garages and machine shed destroyed by EF1 tornado on Leroy Center Road.
Capron Road" height="427" width="640">
Hay barn collapsed on Capron Road.
Homes damaged and train derailed at Lawrence.
The climatologically unusual nature of this event is illustrated by a large pile of leftover snow covered by tornado debris and surrounded by topped trees and twisted metal siding.
TWISTER IN MISSISSIPPI!
Storms, Possible Tornadoes Hit Mississippi
At Least 2 Injured By Powerful Storms Thursday
Copyright 2008 by The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
WSBTV.com
Tornadoes Close Alabama Schools
Copyright 2008 by The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
MARITIME NOTES
Maritime Security: Federal Efforts Needed to Address Challenges in Preventing and Responding to Terrorist Attacks on Energy Commodity Tankers, GAO-08-141, December 10, 2007
Have a great weekend!
RS