Colorado, 2008

Hail in Colorado, June 19, 2008

June 19, 2008 · NWS BOU · 2 events in 2 counties and zones

Severe thunderstorm produced penny size hail in parts of Arapahoe and Logan Counties.

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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 BOU wrote it up.

Severe thunderstorm produced penny size hail in parts of Arapahoe and Logan Counties.

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.

Hazardous weather outlook, Jun 19, 10:09 AM MST, 9 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1109 AM MDT THU JUN 19 2008

COZ030>051-201200-
JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND
COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000
FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST
GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/
SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND
BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST
DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK
COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER
COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON
COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS
COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/
EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES
ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD
COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS
COUNTY-
1109 AM MDT THU JUN 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

AFTER A FEW EARLY MORNING THUNDERSTORMS...CLEARING SKIES WILL ALLOW
STRONG SOLAR HEATING TO DESTABILIZE THE ATMOSPHERE SUFFICIENTLY TO
PRODUCE AT LEAST ISOLATED THUNDERSTORMS OVER AND NEAR THE FRONT
RANGE AND PALMER DIVIDE AFTER 3 PM TODAY.  NORTHWESTERLY FLOW ALOFT
SHOULD CARRY MOST OF THESE STORMS OVER AREAS MAINLY SOUTH AND WEST
OF DENVER. UPSLOPING NORTHEAST WINDS...PRODUCED BY POWERFUL
THUNDERSTORMS OVER SOUTH DAKOTA AND NEBRASKA LATE LAST NIGHT...WILL
ALSO PROVIDE ADDITIONAL MOISTURE FOR THIS THUNDERSTORM DEVELOPMENT
LATER TODAY.  WHEREAS THIS SAME NORTHEAST FLOW MAY ALSO STABILIZE
THE ATMOSPHERE ON THE PLAINS...THEREBY HINDERING THUNDERSTORM
FORMATION OUT THERE.  WIND GUSTS TO AROUND 45 MPH...LIGHTNING
BRIEF HEAVY RAIN AND SMALL HAIL WILL BE POSSIBLE WITH THE
THUNDERSTORMS OVER AND NEAR THE FRONT RANGE RANGE AND PALMER
DIVIDE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE WILL BE A SLIGHT CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS
EACH DAY...MORE NUMEROUS ACROSS THE EASTERN PLAINS. THERE IS THE
POSSIBILITY THAT STORMS THAT DO DEVELOP MAY BE SEVERE ON FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

BAKER/ENTREKIN

The radar

The Cheyenne radar (KCYS), 171 km away, was scanning. The volume nearest the first event began at 02:50 UTC.

Open the radar archive at this moment

Event by event

2 hail. Local standard time, as filed.

Hail, Logan

When
June 19, 7:49 PM MST
Where
Logan County, 0.69 mi N of Crook
Measured
0.75 in hail
Reported by
COOP Observer
Coordinates
40.860, -102.800

Hail, Arapahoe

When
June 19, 8:01 PM MST
Where
Arapahoe County, 3.19 mi W of (Bkf)buckley Air Force Base
Measured
0.75 in hail
Reported by
Trained Spotter
Coordinates
39.700, -104.810

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Colorado in 2008Every state in 2008This day in weather historyWarnings in Colorado, June 2008

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: 101911, 101912.