Colorado, 2002

Hail in Colorado, August 23, 2002

August 23, 2002 · NWS BOU · 2 events in 1 county or zone

2 hail, 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
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 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 Denver/Boulder, CO wrote its last area forecast discussion before the first event at Aug 23, 2:25 PM MST, 2 hours 40 minutes earlier.

Area forecast discussion, Aug 23, 2:25 PM MST, 2 hours 40 minutes before
NORTHEAST AND NORTH CENTRAL COLORADO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER COLORADO
325 PM MDT FRI AUG 23 2002

SHORT TERM DISCUSSION:  DRIER AIR AT THE SFC HAS MOVED OUT OF THE
FOOTHILLS AND ONTO THE ADJACENT PLAINS WHILE LOW LVL MSTR CONTS ON
THE EXTREME EASTERN PLAINS.  TWO SHOWER COMPLEXES HAVE DVLPD SO
FAR...ONE OVR NEB PANHANDLE AND THE OTHER ACRS STRN WASH AND NERN
ELBERT COUNTIES.  FM THIS IT PPRS THE EVENING CONVECTIVE ACTIVITY IS
GOING TO BE FOCUSED ALG AND E OF A LINE FM LOGAN...WASHINGTON AND
LINCOLN COUNTIES.  A FEW SHOWERS ARE ALSO POPPING UP OVR THE HIGH
COUNTRY.  WITH UPR LVL JET MOVG OVR THE STATE...CONVECTION THAT GET
ORGANIZED ON THE PLAINS COULD BECOME LONG-LIVED.  ON THE OTHER
HAND...IT WONT BE IN OUR FCST AREA FOR VERY LONG.  THE STRONGEST
STORM...WHICH IS OVER SRN WASH CNTY IS ALSO MOVG SLOWLY...SO LOCALLY
HEAVY RAIN IS ALSO A THREAT.  BY MIDNIGHT...THE SHOWER ACTIVITY
SHOULD BE DISSIPATING WITH SKIES GRADUALLY CLEARING.

LONG TERM DISCUSSION:  AFTER TONIGHTS CONVECTION...LOW LVL MSTR WL
REMAIN ACRS THE ERN PLAINS AS RETURN FLOW FM THE DEPARTING
THUNDERSTORMS DRIVE LOW LVL ELY-SELY WINDS.  EACH OF THE MODELS SHOW
HEALTHY AMOUNTS OF LOW LVL MSTR ACRS NERN CO THRU SAT AFTN.  700 MB
SPEC HUMIDITIES ARE PROGGED TO BE ARND 6 G/KG.  JET STREAM IS STILL
FCST TO BE ACRS NRN CO SAT AFTN.  UPR LVL RDG WL BE BLDG THE
AREA...BUT THE INCRSG NWLY FLOW ALOFT COULD PRODUCE ENOUGH SHEAR FOR
ORGANIZED CONVECTION TO DVLP.

THE RIDGE ALOFT SHOULD BE STRONG ENOUGH ON SUNDAY FOR WARMER TEMPS
AND LESS SHOWER ACTIVITY.  DRY WX SHOULD CONTINUE INTO MON...BUT
THEN A PASSING TROUGH FM THE PAC NW MON NITE WILL PROBABLY BRING
BACK THE CHANCE OF PCPN FOR TUES THRU THE END OF THE WEEK.  TEMPS
SHUD BE ABV NORMAL ON SUN AND MON...OTHERWISE TEMPS WILL BE
SEASONAL.                                     KDRBY

.DEN...NONE.

In the hours before

Local storm report, Aug 23, 5:05 PM MST, 0 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DENVER CO
605 PM MDT FRI AUG 23 2002

...PRELIMINARY STORM REPORT FOR AUGUST 23 2002...

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0605 PM    13 NE STERLING            CO   1.75 INCH HAIL
08/23/02   LOGAN

RAY

The radar

The Cheyenne radar (KCYS), 156 km away, was scanning. The volume nearest the first event began at 00:07 UTC.

Open the radar archive at this moment

Event by event

2 hail. Local standard time, as filed.

Hail, Logan

When
August 23, 5:05 PM MST
Where
Logan County, 13 mi NE of Sterling
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.767, -103.017

Hail, Logan

When
August 23, 5:30 PM MST
Where
Logan County, 10 mi NW of Crook
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.950, -102.933

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 2002Every state in 2002This day in weather historyWarnings in Colorado, August 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: 5313038, 5313039.