Iowa, 2002

Damaging Winds in Iowa, July 18, 2002

July 18, 2002 · NWS DVN · 14 events in 5 counties and zones

14 thunderstorm wind, as filed by the National Weather Service.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
14

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 forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before the first event at Jul 18, 1:30 PM CST, 3 hours 30 minutes earlier.

Area forecast discussion, Jul 18, 1:30 PM CST, 3 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
230 PM CDT THU JUL 18 2002

ACTIVE PATTERN WILL CONTINUE THROUGH NEXT WEEK AS A SERIES OF UPPER
LEVEL TROUGHS AND WEAK SURFACE BOUNDARIES TRAVERSE THE AREA THROUGH
NEXT WEEK.

FRONT NOW OVER SOUTHERN MINNESOTA MOVING MUCH SLOWER THAN
PROGGED...AND IS EXPECTED TO SAG INTO CENTRAL IOWA AND STALL.  WITH
THE REMNANTS OF THE BOUNDARY IN THE AREA THROUGH SATURDAY...WILL BE
DIFFICULT TO RULE OUT PRECIP.  AREAWIDE...BEST CHANCE WILL BE
TONIGHT AS THE FRONT APPROACHES...WITH LOWER CHANCES THROUGH
SATURDAY.  HIGH MOISTURE AND CAPE AND LOW SHEAR SUGGEST POTENTIAL
FOR WIND AND HAIL THE GREATEST THREAT TONIGHT AHEAD OF THE SURFACE
FRONT.

SURFACE FLOW WILL BE WEAK...SO CLOUDS WILL BE THE MAIN LIMITING
FACTOR FOR TEMPS FRIDAY...WITH A QUICK WARMUP SATURDAY AS THE FRONT
WASHES OUT AND SWLY LOW LEVEL FLOW RETURNS.

EXPANDED POPS FOR SATURDAY DUE TO THE POTENTIAL FOR LINGERING
BOUNDARIES. IN THE EXTENDED...NEXT WAVE STILL PROGGED FOR SUNDAY
NIGHT/MONDAY...THEN WILL INTRODUCE POPS WEDNESDAY FOR THE NEXT
ROUND.

.DVN...
IA...NONE.
IL...NONE.
MO...NONE.

33

The radar

The Quad Cities radar (KDVN), 105 km away, was scanning. The volume nearest the first event began at 23:01 UTC.

Open the radar archive at this moment

Event by event

14 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Dubuque

When
July 18, 5:00 PM CST
Where
Dubuque County, Bankston
Measured
61 kt (70 mph)
Reported by
EMERGENCY MANAGER
Coordinates
42.517, -90.950

Trees down.

Thunderstorm Wind, Jones

When
July 18, 5:22 PM CST
Where
Jones County, 2 mi N of Monticello
Measured
57 kt (66 mph)
Reported by
LAW ENFORCEMENT
Coordinates
42.267, -91.200

Thunderstorm Wind, Jones

When
July 18, 5:25 PM CST
Where
Jones County, 5 mi NE of Monticello
Measured
61 kt (70 mph)
Reported by
LAW ENFORCEMENT
Coordinates
42.283, -91.133

Car blown off Highway 151.

Thunderstorm Wind, Jones

When
July 18, 5:25 PM CST
Where
Jones County, 2 mi S of Monticello
Measured
61 kt (70 mph)
Reported by
LAW ENFORCEMENT
Coordinates
42.200, -91.200

Several cars blown off road.

Thunderstorm Wind, Jones

When
July 18, 5:38 PM CST
Where
Jones County, 8 mi W of Monticello
Measured
61 kt (70 mph)
Reported by
LAW ENFORCEMENT
Coordinates
42.233, -91.350

Farm buildings blown down.

Thunderstorm Wind, Jones

When
July 18, 5:45 PM CST
Where
Jones County, 2 mi W of Monticello
Measured
61 kt (70 mph)
Reported by
NEWSPAPER
Coordinates
42.233, -91.233

Barn on County Road D-62 collapsed. The barn housed a tractor, self-loading wagon box and many antiques.

Thunderstorm Wind, Jones

When
July 18, 5:50 PM CST
Where
Jones County, Monticello
Measured
61 kt (70 mph)
Reported by
NEWSPAPER
Coordinates
42.233, -91.200

Large tree knocked over on a camper at Central Park. Large branches also caused some damage to a pickup truck.

Thunderstorm Wind, Cedar

When
July 18, 6:30 PM CST to 7:00 PM CST
Where
Cedar County, Tipton
Measured
61 kt (70 mph)
Reported by
LAW ENFORCEMENT
Coordinates
41.767, -91.133

Numerous trees blown down.

Thunderstorm Wind, Linn

When
July 18, 6:45 PM CST
Where
Linn County, Ely
Measured
61 kt (70 mph)
Reported by
BROADCAST MEDIA
Coordinates
41.867, -91.583

Trees down.

Thunderstorm Wind, Cedar

When
July 18, 6:48 PM CST
Where
Cedar County, Tipton
Measured
61 kt (70 mph)
Reported by
LAW ENFORCEMENT
Coordinates
41.767, -91.133

According to some, many areas in Tipton resembled a war zone. Damaging winds of 70 mph knocked down or severely damaged more than 50 trees causing thousands of dollars in damage. Some city blocks lost 2 or 3 large trees, and there was damage to several homes. Also, trees fell on at least 4 vehicles and power was knocked out in some areas. Several streets including Highway 38 were blocked by downed trees. While damage was widespread, areas along 4th and 5th Streets were hit hardest. Some nuisance flooding was also reported around 5th and Plum Streets and Cedar and 10th Streets.

Thunderstorm Wind, Linn

When
July 18, 6:50 PM CST
Where
Linn County, Mt Vernon
Measured
61 kt (70 mph)
Reported by
LAW ENFORCEMENT
Coordinates
41.917, -91.417

Numerous trees down in Mount Vernon and Palisades Kepler State Park. Downed trees on power lines produced power outages in Mount Vernon.

Thunderstorm Wind, Cedar

When
July 18, 7:05 PM CST
Where
Cedar County, West Branch
Measured
61 kt (70 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.667, -91.350

Trees blown down.

Thunderstorm Wind, Cedar

When
July 18, 7:05 PM CST
Where
Cedar County, West Branch
Measured
61 kt (70 mph)
Reported by
LAW ENFORCEMENT
Coordinates
41.667, -91.350

Trees and power lines blown down.

Thunderstorm Wind, Scott

When
July 18, 7:30 PM CST
Where
Scott County, Maysville
Measured
52 kt (60 mph)
Reported by
GENERAL PUBLIC
Coordinates
41.650, -90.733

Several trees blown down.

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

More

Every storm in Iowa in 2002Every state in 2002This day in weather historyWarnings in Iowa, July 2002

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: 5307205, 5307206, 5307207, 5307208, 5307209, 5307217, 5307218, 5307210, 5307211, 5307212, 5307213, 5307214, 5307215, 5307216.