Colorado, 1993

Hail and Damaging Winds in Colorado, September 18, 1993

September 18, 1993 · 8 events in 3 counties and zones

5 hail, 3 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. 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

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The toll

Deaths
0
Injuries
0
Property damage
$551,000
Crop damage
$5,000
Events
8

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

5 hail, 3 thunderstorm wind. Local standard time, as filed.

Hail, Yuma

When
September 18, 12:20 AM MST
Where
Yuma County, Beecher Island
Measured
1.75 in hail
Property damage
$50,000
Crop damage
$5,000
Coordinates
40.003, -102.424 (the zone’s center; the record gives no point)

An early morning severe thunderstorm dumped hail up to golfball size in Beecher Island (14 miles south of Yuma). The hail broke windows and damaged vehicles as well as destroying crops.

Hail, Denver

When
September 18, 12:25 PM MST
Where
Denver County, Denver
Measured
0.75 in hail
Coordinates
39.762, -104.876 (the zone’s center; the record gives no point)

Hail, Arapahoe

When
September 18, 12:52 PM MST
Where
Arapahoe County, Denver
Measured
0.75 in hail
Coordinates
39.650, -104.339 (the zone’s center; the record gives no point)

A severe thunderstorm rolled through the southeast portion of the Denver area. Dime-size hail was reported in many areas. Straight-line winds from the thunderstorm, measured by a weather spotter at 70 mph (61 knots), tore a roof off six apartments of an apartment complex in Aurora (10 miles southeast of Denver). Heavy rain, which accompanied the winds, caused major damage to the apartments as well as the contents. Many trees, fences and power poles were knocked down by the strong winds. Heavy rain flooded many roadways in Denver and Aurora.

Thunderstorm Wind, Arapahoe

When
September 18, 12:55 PM MST
Where
Arapahoe County, Denver
Measured
62 kt (71 mph)
Property damage
$500
Coordinates
39.650, -104.339 (the zone’s center; the record gives no point)

A severe thunderstorm rolled through the southeast portion of the Denver area. Dime-size hail was reported in many areas. Straight-line winds from the thunderstorm, measured by a weather spotter at 70 mph (61 knots), tore a roof off six apartments of an apartment complex in Aurora (10 miles southeast of Denver). Heavy rain, which accompanied the winds, caused major damage to the apartments as well as the contents. Many trees, fences and power poles were knocked down by the strong winds. Heavy rain flooded many roadways in Denver and Aurora.

Hail, Arapahoe

When
September 18, 1:00 PM MST
Where
Arapahoe County, Denver
Measured
0.75 in hail
Coordinates
39.650, -104.339 (the zone’s center; the record gives no point)

A severe thunderstorm rolled through the southeast portion of the Denver area. Dime-size hail was reported in many areas. Straight-line winds from the thunderstorm, measured by a weather spotter at 70 mph (61 knots), tore a roof off six apartments of an apartment complex in Aurora (10 miles southeast of Denver). Heavy rain, which accompanied the winds, caused major damage to the apartments as well as the contents. Many trees, fences and power poles were knocked down by the strong winds. Heavy rain flooded many roadways in Denver and Aurora.

Hail, Arapahoe

When
September 18, 1:00 PM MST
Where
Arapahoe County, Denver
Measured
0.75 in hail
Coordinates
39.650, -104.339 (the zone’s center; the record gives no point)

A severe thunderstorm rolled through the southeast portion of the Denver area. Dime-size hail was reported in many areas. Straight-line winds from the thunderstorm, measured by a weather spotter at 70 mph (61 knots), tore a roof off six apartments of an apartment complex in Aurora (10 miles southeast of Denver). Heavy rain, which accompanied the winds, caused major damage to the apartments as well as the contents. Many trees, fences and power poles were knocked down by the strong winds. Heavy rain flooded many roadways in Denver and Aurora.

Thunderstorm Wind, Arapahoe

When
September 18, 1:00 PM MST
Where
Arapahoe County, Denver
Measured
56 kt (64 mph)
Property damage
$500,000
Coordinates
39.650, -104.339 (the zone’s center; the record gives no point)

A severe thunderstorm rolled through the southeast portion of the Denver area. Dime-size hail was reported in many areas. Straight-line winds from the thunderstorm, measured by a weather spotter at 70 mph (61 knots), tore a roof off six apartments of an apartment complex in Aurora (10 miles southeast of Denver). Heavy rain, which accompanied the winds, caused major damage to the apartments as well as the contents. Many trees, fences and power poles were knocked down by the strong winds. Heavy rain flooded many roadways in Denver and Aurora.

Thunderstorm Wind, Arapahoe

When
September 18, 1:00 PM MST
Where
Arapahoe County, Denver
Measured
61 kt (70 mph)
Property damage
$500
Coordinates
39.650, -104.339 (the zone’s center; the record gives no point)

A severe thunderstorm rolled through the southeast portion of the Denver area. Dime-size hail was reported in many areas. Straight-line winds from the thunderstorm, measured by a weather spotter at 70 mph (61 knots), tore a roof off six apartments of an apartment complex in Aurora (10 miles southeast of Denver). Heavy rain, which accompanied the winds, caused major damage to the apartments as well as the contents. Many trees, fences and power poles were knocked down by the strong winds. Heavy rain flooded many roadways in Denver and Aurora.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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 1993Every state in 1993This day in weather historyWarnings in Colorado, September 1993

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: 10318343, 10318738, 10316689, 10316690, 10316692, 10316693, 10316694, 10316695.