Colorado, 1983

Tornadoes and Hail in Colorado, June 12, 1983

June 12, 1983 · NWS AT · 48 events in 11 counties and zones

38 hail, 5 tornado, 5 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
$370
Crop damage
None recorded
Events
48

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.

Event by event

38 hail, 5 tornado, 5 thunderstorm wind. Local standard time, as filed.

Hail, Jefferson

When
June 12, 12:40 PM CST
Where
Jefferson County
Measured
1.75 in hail
Coordinates
39.800, -105.080

Hail, Jefferson

When
June 12, 12:50 PM CST
Where
Jefferson County
Measured
0.75 in hail
Coordinates
39.800, -105.080

Hail, Weld

When
June 12, 12:50 PM CST
Where
Weld County
Measured
1.25 in hail
Coordinates
40.070, -104.580

Hail, Adams

When
June 12, 1:00 PM CST
Where
Adams County
Measured
0.75 in hail
Coordinates
39.900, -104.970

Hail, Adams

When
June 12, 1:00 PM CST
Where
Adams County
Measured
1.75 in hail
Coordinates
39.980, -104.680

Hail, Adams

When
June 12, 1:07 PM CST
Where
Adams County
Measured
1.75 in hail
Coordinates
39.880, -105.050

Hail, Denver

When
June 12, 1:15 PM CST
Where
Denver County
Measured
1.75 in hail
Coordinates
39.770, -104.880

Hail, Adams

When
June 12, 1:15 PM CST
Where
Adams County
Measured
2 in hail
Coordinates
39.880, -105.050

Hail, Weld

When
June 12, 1:15 PM CST
Where
Weld County
Measured
2.75 in hail
Coordinates
40.500, -104.470

Tornado, Adams

When
June 12, 1:39 PM CST
Where
Adams County
Rating
F1
Path length
0.3 mi
Path width
20 yd
Property damage
$30
Coordinates
39.880, -104.700

Tornado, Morgan

When
June 12, 1:45 PM CST
Where
Morgan County
Rating
F1
Path length
1 mi
Path width
33 yd
Property damage
$30
Coordinates
40.150, -104.120

Hail, Morgan

When
June 12, 2:00 PM CST
Where
Morgan County
Measured
1.75 in hail
Coordinates
40.250, -103.820

Hail, Washington

When
June 12, 2:00 PM CST
Where
Washington County
Measured
1.75 in hail
Coordinates
39.930, -103.230

Hail, Weld

When
June 12, 2:00 PM CST
Where
Weld County
Measured
2 in hail
Coordinates
40.100, -104.520

Hail, Morgan

When
June 12, 2:29 PM CST
Where
Morgan County
Measured
1.75 in hail
Coordinates
40.150, -103.800

Hail, Boulder

When
June 12, 2:30 PM CST
Where
Boulder County
Measured
0.75 in hail
Coordinates
40.020, -105.270

Hail, Jefferson

When
June 12, 2:39 PM CST
Where
Jefferson County
Measured
0.75 in hail
Coordinates
39.800, -105.080

Hail, Boulder

When
June 12, 2:50 PM CST
Where
Boulder County
Measured
0.75 in hail
Coordinates
40.130, -105.150

Hail, Morgan

When
June 12, 3:00 PM CST
Where
Morgan County
Measured
1.75 in hail
Coordinates
40.250, -103.820

Hail, Washington

When
June 12, 3:00 PM CST
Where
Washington County
Measured
1.75 in hail
Coordinates
39.930, -103.230

Hail, Morgan

When
June 12, 3:00 PM CST
Where
Morgan County
Measured
1.75 in hail
Coordinates
40.070, -103.620

Hail, Boulder

When
June 12, 3:00 PM CST
Where
Boulder County
Measured
1.75 in hail
Coordinates
40.080, -105.350

Hail, Washington

When
June 12, 3:00 PM CST
Where
Washington County
Measured
1.75 in hail
Coordinates
39.980, -103.580

Hail, Adams

When
June 12, 3:03 PM CST
Where
Adams County
Measured
2.5 in hail
Coordinates
39.880, -104.420

Hail, Washington

When
June 12, 3:14 PM CST
Where
Washington County
Measured
1 in hail
Coordinates
40.170, -103.200

Hail, Washington

When
June 12, 3:35 PM CST
Where
Washington County
Measured
4.5 in hail
Coordinates
39.980, -103.580

Hail, Washington

When
June 12, 3:45 PM CST
Where
Washington County
Measured
4.5 in hail
Coordinates
39.980, -103.580

Hail, Elbert

When
June 12, 3:55 PM CST
Where
Elbert County
Measured
1.75 in hail
Coordinates
39.500, -104.430

Hail, Arapahoe

When
June 12, 4:00 PM CST
Where
Arapahoe County
Measured
1.75 in hail
Coordinates
39.730, -104.430

Hail, Morgan

When
June 12, 4:00 PM CST
Where
Morgan County
Measured
1.75 in hail
Coordinates
40.250, -103.820

Hail, Washington

When
June 12, 4:00 PM CST
Where
Washington County
Measured
1.75 in hail
Coordinates
39.930, -103.230

Hail, Adams

When
June 12, 4:00 PM CST
Where
Adams County
Measured
1.75 in hail
Coordinates
39.750, -104.430

Hail, Arapahoe

When
June 12, 4:35 PM CST
Where
Arapahoe County
Measured
1.25 in hail
Coordinates
39.720, -104.150

Tornado, Washington

When
June 12, 4:40 PM CST
Where
Washington County
Rating
F1
Path length
0.5 mi
Path width
37 yd
Property damage
$30
Coordinates
39.900, -103.600

Hail, Yuma

When
June 12, 4:45 PM CST
Where
Yuma County
Measured
1.75 in hail
Coordinates
40.200, -102.230

Thunderstorm Wind, Lincoln

When
June 12, 4:45 PM CST
Where
Lincoln County
Measured
64 kt (74 mph)
Coordinates
39.270, -103.700

Tornado, Yuma

When
June 12, 4:50 PM CST
Where
Yuma County
Rating
F1
Path length
1 mi
Path width
50 yd
Property damage
$30
Coordinates
40.220, -102.200

Tornado, Yuma

When
June 12, 5:00 PM CST
Where
Yuma County
Rating
F1
Path length
1 mi
Path width
67 yd
Property damage
$250
Coordinates
40.100, -102.580

Hail, Morgan

When
June 12, 5:00 PM CST
Where
Morgan County
Measured
1.75 in hail
Coordinates
40.250, -103.820

Hail, Washington

When
June 12, 5:00 PM CST
Where
Washington County
Measured
1.75 in hail
Coordinates
39.930, -103.230

Hail, Yuma

When
June 12, 5:00 PM CST
Where
Yuma County
Measured
1.75 in hail
Coordinates
39.970, -102.430

Thunderstorm Wind, Yuma

When
June 12, 5:00 PM CST
Where
Yuma County
Coordinates
39.970, -102.430

Hail, Yuma

When
June 12, 5:30 PM CST
Where
Yuma County
Measured
1.75 in hail
Coordinates
39.970, -102.430

Thunderstorm Wind, Yuma

When
June 12, 5:30 PM CST
Where
Yuma County
Coordinates
39.970, -102.430

Hail, Yuma

When
June 12, 6:00 PM CST
Where
Yuma County
Measured
1.75 in hail
Coordinates
39.970, -102.430

Thunderstorm Wind, Yuma

When
June 12, 6:00 PM CST
Where
Yuma County
Coordinates
39.970, -102.430

Hail, Yuma

When
June 12, 6:30 PM CST
Where
Yuma County
Measured
1.75 in hail
Coordinates
39.970, -102.430

Thunderstorm Wind, Yuma

When
June 12, 6:30 PM CST
Where
Yuma County
Coordinates
39.970, -102.430

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
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 Colorado in 1983Every state in 1983This day in weather historyThe tornado archive for Colorado, 1983

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: 9986625, 9986626, 9986912, 9986913, 9986914, 9986273, 9986274, 9986275, 9986276, 9986277, 9986278, 9986279, 9986280, 9986281, 9986282, 9986283, 9986284, 9986285, 9986286, 9986287, 9986288, 9986289, 9986290, 9986291, 9986292, 9986293, 9986294, 9986295, 9986296, 9986297, 9986298, 9986299, 9986300, 9986301, 9986302, 9986303, 9986304, 9986305, 9986306, 9986307, and more.