Thunderstorm Wind, Hancock
- When
- February 11, 12:46 PM CST to 12:54 PM CST
- Where
- Hancock County, Carthage
- Measured
- 52 kt (60 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.420, -91.130
Damaging Winds in Illinois, February 11, 1999
An intensifying squall line ahead of a strong cold front sent severe thunderstorms racing across Eastern Iowa and Northwest Illinois. Widespread damage from high winds and hail was reported across Southeast Iowa into Northwest Illinois as the storms moved northeast.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 4
- Property damage
- $68,000
- Crop damage
- None recorded
- Events
- 7
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS DVN wrote it up.
An intensifying squall line ahead of a strong cold front sent severe thunderstorms racing across Eastern Iowa and Northwest Illinois. Widespread damage from high winds and hail was reported across Southeast Iowa into Northwest Illinois as the storms moved northeast. Several high profile vehicles were overturned by the strong winds, and many downed trees, damaged homes, and farm buildings were reported. In Jo Daviess County two people were injured when the roof was blown off their home, and another man sustained injuries when the semi he was driving was blown over. In Whiteside County one student was injured when strong winds tore a portion of roof off a high school .
The radar
The Quad Cities radar (KDVN), 140 km away, was scanning. The volume nearest the first event began at 18:47 UTC.
Event by event
7 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Jo Daviess
- When
- February 11, 1:22 PM CST
- Where
- Jo Daviess County, Elizabeth
- Measured
- 58 kt (67 mph)
- Injuries
- 2 direct, 0 indirect
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.320, -90.220
Thunderstorm Wind, Jo Daviess
- When
- February 11, 1:25 PM CST
- Where
- Jo Daviess County, Woodbine to Warren
- Measured
- 70 kt (81 mph)
- Property damage
- $40,000
- Reported by
- NEWSPAPER
- Coordinates
- 42.330, -90.150
Thunderstorm Wind, Jo Daviess
- When
- February 11, 1:37 PM CST
- Where
- Jo Daviess County, Stockton
- Measured
- 55 kt (63 mph)
- Injuries
- 1 direct, 0 indirect
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.350, -90.000
Thunderstorm Wind, Stephenson
- When
- February 11, 1:46 PM CST
- Where
- Stephenson County, Dakota
- Measured
- 52 kt (60 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.380, -89.520
Thunderstorm Wind, Whiteside
- When
- February 11, 2:02 PM CST
- Where
- Whiteside County, Sterling Arpt
- Measured
- 58 kt (67 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 41.750, -89.680
Thunderstorm Wind, Whiteside
- When
- February 11, 2:02 PM CST to 2:33 PM CST
- Where
- Whiteside County, Sterling
- Injuries
- 1 direct, 0 indirect
- Property damage
- $28,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.800, -89.700
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Wildfire and Dust Storm in California, February 11 to 12, 1999
- Tornado in Illinois, February 11, 1999
- Hail and High Wind in Kansas, February 11, 1999
- Tornado in Missouri, February 11, 1999
- Ice Storm in Iowa, February 11, 1999
- Damaging Winds and High Wind in Illinois, February 11, 1999
- Flooding and Hail in Wisconsin, February 11, 1999
- Hail and Damaging Winds in Iowa, February 11, 1999
- Tornado in Illinois, February 11, 1999
- Tornado in Missouri, February 11, 1999
- Tornado in Illinois, February 11, 1999
- Tornado in Illinois, February 11, 1999
More
Every storm in Illinois in 1999Every state in 1999This day in weather historyWarnings in Illinois, February 1999
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5684976, 5684971, 5684977, 5684972, 5684973, 5684974, 5684975.