Alert archive / Colorado / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 151, NWS Denver/Boulder, CO

August 10, 20044 counties in Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 10, 2004, 6:01 PM MDT for 4 counties in Colorado. It was in force for 29 min. 58 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 10, 2004, 6:01 PM MDT (00:01 UTC)
Expired
Aug 10, 2004, 6:30 PM MDT
In force
29 min
Issued by
NWS Denver/Boulder, CO
Area
Counties, with a storm outline in the text

Counties Adams County, CO, Boulder County, CO, Broomfield County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 48 km from the middle of the area, began a volume at 00:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:03 PM MDTHAIL 0.75Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:04 PM MDTHAIL 1.52 Se Broomfield, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO
Aug 10, 6:10 PM MDTHAIL 13 Nne Northglenn, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 4 storm reports to this severe thunderstorm warning; the first came 3 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 10, 1:15 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.0 hours before the alert went out and 155 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2004-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 694 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2004-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.193958Sfc1 km3 km6 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
694 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
2242 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KBOU 110001
SVRBOU
COC001-013-014-123-110030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
600 PM MDT TUE AUG 10 2004

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ADAMS COUNTY IN NORTHEAST COLORADO
  SOUTHEASTERN BOULDER COUNTY IN NORTHEAST COLORADO
  BROOMFIELD COUNTY IN NORTHEAST COLORADO
  EXTREME SOUTHWESTERN WELD COUNTY IN NORTHEAST COLORADO

* UNTIL 630 PM MDT

* AT 600 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR ERIE...OR ABOUT 20 MILES NORTH OF
  DENVER...MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED 
TO...BROOMFIELD...NORTH CENTRAL COMMERCE CITY...SOUTHWESTERN 
LONGMONT...NORTHGLENN...NORTHERN THORNTON...NORTHEASTERN 
WESTMINSTER...ERIE...LAFAYETTE...LOUISVILLE...NIWOT AND SUPERIOR.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT TUESDAY EVENING
FOR NORTHEASTERN COLORADO.

THIS WARNING REPLACES THE EARLIER WARNING FOR EASTERN BOULDER COUNTY.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 4009 10503 4019 10515 4011 10519 3993 10516
      3991 10509 3991 10506 3991 10504 3987 10481
      3997 10483

$$

SWE

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 10, 3:15 AM MDT, 14 hours 46 minutes earlier.

Area forecast discussion, Aug 10, 3:15 AM MDT, 14 hours 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER CO
315 AM MDT TUE AUG 10 2004

.SHORT TERM DISCUSSION...POTENTIAL FOR ANOTHER ACTIVE SEVERE WEATHER
DAY ACROSS NORTHEAST COLORADO.  CURRENT ANALYSIS SHOWS STRATUS
SLOWLY FILLING IN BEHIND LAST EVENINGS CONVECTIVE SYSTEM.  LOW LEVEL
SOUTHEASTERLY WILL HELP ANCHOR LOW CLOUDS IN PLACE THROUGH MUCH OF
THE MORNING....SLOWING DAYTIME HEATING.  HOWEVER...THERE IS SOME
UPPER LEVEL FORCING ASSOCIATED WITH JET MAX MOVING THROUGH THE
CENTRAL PLAINS LATE THIS AFTERNOON AND EVENING...NOT TO MENTION
COOLING ALOFT.  THIS SHOULD HELP WEAKEN CAP AND NEGATE EFFECTS OF
COOLER SURFACE TEMPERATURES.  UNTIL THEN...THE FORCING WILL PROVIDE
A SLIGHT CHANCE OF SHOWERS/STORMS TO THE NORTHEAST CORNER THIS
MORNING.  SATELLITE AND RADARS BEGINNING TO SHOW PRECIP MOVING
SOUTHWARD THROUGH NORTHEAST WYOMING AND SOUTHWEST SOUTH DAKOTA.

THE THREAT OF SEVERE WILL DEPEND ON WHETHER THERE IS ENOUGH FORCING
AND COOLING ALOFT TO BREAK THE CAP.  ITS NOT A SURE THING BY ANY
MEANS...JUST LIKE YESTERDAYS OBSERVATIONS SHOWED WITH COOLER TEMPS
NORTH OF THE DENVER CONVERGENCE ZONE PREVENTING A SEVERE OUTBREAK
ACROSS THE FRONT RANGE METRO AREAS.  FOR THIS REASON WILL USE CHANCE
WORDING IN FORECAST SINCE THE SAME SCENARIO MAY UNFOLD TODAY.  AT
THIS TIME...APPEARS DOUGLAS...ELBERT...AND LINCOLN COUNTIES WILL
HAVE HIGHEST RISK OF SEVERE WEATHER SINCE THATS WHERE THE THETA-E
AXIS SHOULD BE LOCATED LATE THIS AFTERNOON.  SURGE OF COOLER AIR
THROUGH THE CENTRAL PLAINS WILL DIMINISH THREAT OF SEVERE FARTHER TO
THE NORTHEAST...SO ATTEMPTED TO PAINT FORECAST APPROPRIATELY.

IF WE DO GET THINGS GOING...CAPES OVER 2000 J/KG WITH 78/55 T/TD AND
0-6KM SHEAR INCREDIBLY STRONG NEAR 30M/S.  STORMS WOULD HAVE VERY
STRONG MESOCYCLONES AND THUS POTENTIAL FOR VERY LARGE HAIL LIKE WE
SAW YESTERDAY...HAD TWO REPORTS OF SOFTBALLS.  WILL ALSO MENTION
POTENTIAL FOR TORNADOES GIVEN GOOD LOW LEVEL STORM INFLOW AND
HELICITIES ACTUALLY A LITTLE HIGHER THAN YESTERDAY.  A DEGREE OR TWO
COULD MAKE ALL THE DIFFERENCE TODAY...SO STAY TUNED.

.LONG TERM DISCUSSION...SEE LITTLE REASON TO CHANGE MUCH FROM GOING
FORECAST.  CONTINUATION OF COOL SURGES THROUGH THE PLAINS WILL KEEP
AREAS EAST OF THE DIVIDE MOSTLY IN CLOUDS AND UNSEASONABLY COOL
TEMPERATURES FOR THE NEXT COUPLE DAYS.  WEDNESDAY STILL LOOKING LIKE
THE COOLEST DAY AND WILL BE HARD PRESSED TO GET OUT OF THE 60S.
DESPITE THE COOL TEMPERATURES...WE STILL HAVE POTENTIAL FOR
CONVECTION AS 700-500 MB LAYER TEMPS COOL CONSIDERABLY.  AIRMASS
EXPECTED TO MODIFY AS WE HEAD TOWARD THE WEEKEND AS COOL HIGH
PRESSURE LOOSES ITS GRIP...BUT LOW LEVEL MOISTURE WILL KEEP THE
THREAT OF AFTERNOON AND EVENING CONVECTION IN THE FORECAST.  A SURGE
OF MONSOONAL MOISTURE HAS BEEN ADVERTISED THE LAST COUPLE DAYS TO
SPREAD BACK ACROSS COLORADO FOR LATE IN THE WEEKEND AND EARLY NEXT
WEEK...SO POPS MAY NEED TO BE BOOSTED YET AGAIN IN THE COMING DAYS.

&&

.BOU...WATCHES/WARNINGS/ADVISORIES...NONE.

&&

BARJENBRUCH
Hazardous weather outlook, Aug 10, 10:54 AM MDT, 7 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1054 AM MDT TUE AUG 10 2004

COZ030>051-111200-
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-
1054 AM MDT TUE AUG 10 2004

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

.DAY ONE...TODAY AND TONIGHT

ANOTHER ROUND OF SEVERE THUNDERSTORMS IS POSSIBLE ACROSS NORTHEAST
COLORADO THIS AFTERNOON AND EVENING.

THE DEVELOPMENT OF SEVERE WEATHER IS LARGELY DEPENDENT ON
TEMPERATURES THIS AFTERNOON.  AT THIS TIME...ENOUGH SUNSHINE IS
EXPECTED TO WARM TEMPERATURES INTO THE MID AND UPPER 70S ACROSS THE
PLAINS BY MID TO LATE AFTERNOON.  THIS SHOULD BE JUST WARM ENOUGH TO
SPARK STORM ACTIVITY.  ONCE STORMS DEVELOP...THEY WILL QUICKLY
BECOME SEVERE.  ABUNDANT INSTABILITY AND STRONG WIND SHEAR IN THE
ATMOSPHERE WILL PROMOTE THE DEVELOPMENT OF SUPERCELL THUNDERSTORMS
WHICH WILL BE CAPABLE OF PRODUCING VERY LARGE AND DESTRUCTIVE HAIL
...DAMAGING THUNDERSTORM WINDS AND TORNADOES.

THE GREATEST RISK OF SEVERE WEATHER WILL BE FROM THE FRONT RANGE
METRO AREAS AND I-25 CORRIDOR EASTWARD TO FORT MORGAN AND AKRON AND
SOUTH THROUGH LIMON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE WILL BE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EACH
AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE REQUIRED AFTER 2 PM TODAY.

COOPER/GIMMESTAD

In the hours before

Local storm report, Aug 10, 4:54 PM MDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
454 PM MDT TUE AUG 10 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0252 PM     HAIL             2 NNW BLACK HOLLOW RESE 40.63N 104.89W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0313 PM     HAIL             WINDSOR                 40.49N 104.91W
08/10/2004  1.75 INCH        WELD               CO   AMATEUR RADIO

0322 PM     HAIL             6 NNE KELIM             40.47N 104.90W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0326 PM     HAIL             5 NW BARNESVILLE        40.52N 104.56W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0328 PM     HAIL             5 ENE KELIM             40.42N 104.86W
08/10/2004  1.50 INCH        WELD               CO   TRAINED SPOTTER

0329 PM     HAIL             10 W GREELEY            40.42N 104.93W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0330 PM     TORNADO          4 N MILLIKEN            40.37N 104.85W
08/10/2004                   WELD               CO   TRAINED SPOTTER

0334 PM     HAIL             5 SW GREELEY            40.37N 104.81W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0334 PM     TSTM WND GST     10 W GREELEY            40.42N 104.93W
08/10/2004  65 MPH           WELD               CO   TRAINED SPOTTER

0335 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.50 INCH        WELD               CO   AMATEUR RADIO

0346 PM     HAIL             2 W NEW WINDSOR RESERVO 40.53N 104.93W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0346 PM     HAIL             5 E LOVELAND            40.42N 104.98W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0346 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.00 INCH        WELD               CO   AMATEUR RADIO

            10 MINUTES OF HAIL

0355 PM     HAIL             2 SSE FORT COLLINS      40.53N 105.05W
08/10/2004  1.00 INCH        LARIMER            CO   AMATEUR RADIO

0359 PM     HAIL             4 S FORT COLLINS        40.50N 105.07W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0404 PM     HAIL             5 NW EVANS              40.43N 104.75W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0405 PM     HAIL             3 SW WINDSOR            40.45N 104.95W
08/10/2004  1.50 INCH        LARIMER            CO   TRAINED SPOTTER

0408 PM     HAIL             3 SW FORT COLLINS       40.52N 105.11W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0409 PM     HAIL             3 NNE LOVELAND          40.46N 105.05W
08/10/2004  0.75 INCH        LARIMER            CO   PUBLIC

0410 PM     HAIL             4 N LOVELAND            40.48N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0410 PM     HAIL             10 N HUDSON             40.22N 104.64W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

0417 PM     HAIL             3 S MILTON RESERVOIR    40.20N 104.63W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0431 PM     HAIL             FORT COLLINS            40.56N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0431 PM     HAIL             DRAKE                   40.43N 105.33W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0437 PM     HAIL             6 E GILCREST            40.28N 104.67W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

&&

RAY
Local storm report, Aug 10, 5:04 PM MDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
504 PM MDT TUE AUG 10 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0252 PM     HAIL             2 NNW BLACK HOLLOW RESE 40.63N 104.89W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0313 PM     HAIL             WINDSOR                 40.49N 104.91W
08/10/2004  1.75 INCH        WELD               CO   AMATEUR RADIO

0322 PM     HAIL             6 NNE KELIM             40.47N 104.90W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0326 PM     HAIL             5 NW BARNESVILLE        40.52N 104.56W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0328 PM     HAIL             5 ENE KELIM             40.42N 104.86W
08/10/2004  1.50 INCH        WELD               CO   TRAINED SPOTTER

0329 PM     HAIL             10 W GREELEY            40.42N 104.93W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0330 PM     TORNADO          4 N MILLIKEN            40.37N 104.85W
08/10/2004                   WELD               CO   TRAINED SPOTTER

0334 PM     TSTM WND GST     10 W GREELEY            40.42N 104.93W
08/10/2004  65 MPH           WELD               CO   TRAINED SPOTTER

0334 PM     HAIL             5 SW GREELEY            40.37N 104.81W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0335 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.50 INCH        WELD               CO   AMATEUR RADIO

0346 PM     HAIL             5 E LOVELAND            40.42N 104.98W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0346 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.00 INCH        WELD               CO   AMATEUR RADIO

            10 MINUTES OF HAIL

0346 PM     HAIL             2 W NEW WINDSOR RESERVO 40.53N 104.93W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0355 PM     HAIL             2 SSE FORT COLLINS      40.53N 105.05W
08/10/2004  1.00 INCH        LARIMER            CO   AMATEUR RADIO

0359 PM     HAIL             4 S FORT COLLINS        40.50N 105.07W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0404 PM     HAIL             5 NW EVANS              40.43N 104.75W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0405 PM     HAIL             3 SW WINDSOR            40.45N 104.95W
08/10/2004  1.50 INCH        LARIMER            CO   TRAINED SPOTTER

0408 PM     HAIL             3 SW FORT COLLINS       40.52N 105.11W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0409 PM     HAIL             3 NNE LOVELAND          40.46N 105.05W
08/10/2004  0.75 INCH        LARIMER            CO   PUBLIC

0410 PM     HAIL             4 N LOVELAND            40.48N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0410 PM     HAIL             10 N HUDSON             40.22N 104.64W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

0417 PM     HAIL             3 S MILTON RESERVOIR    40.20N 104.63W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0431 PM     HAIL             DRAKE                   40.43N 105.33W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0431 PM     HAIL             FORT COLLINS            40.56N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0437 PM     HAIL             6 E GILCREST            40.28N 104.67W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0457 PM     HAIL             2 S BERTHOUD            40.28N 105.08W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0459 PM     HAIL             3 NE FORT LUPTON        40.12N 104.76W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

&&

RAY
Local storm report, Aug 10, 5:12 PM MDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
512 PM MDT TUE AUG 10 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0252 PM     HAIL             2 NNW BLACK HOLLOW RESE 40.63N 104.89W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0313 PM     HAIL             WINDSOR                 40.49N 104.91W
08/10/2004  1.75 INCH        WELD               CO   AMATEUR RADIO

0322 PM     HAIL             6 NNE KELIM             40.47N 104.90W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0326 PM     HAIL             5 NW BARNESVILLE        40.52N 104.56W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0328 PM     HAIL             5 ENE KELIM             40.42N 104.86W
08/10/2004  1.50 INCH        WELD               CO   TRAINED SPOTTER

0329 PM     HAIL             10 W GREELEY            40.42N 104.93W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0330 PM     TORNADO          4 N MILLIKEN            40.37N 104.85W
08/10/2004                   WELD               CO   TRAINED SPOTTER

0334 PM     TSTM WND GST     10 W GREELEY            40.42N 104.93W
08/10/2004  65 MPH           WELD               CO   TRAINED SPOTTER

0334 PM     HAIL             5 SW GREELEY            40.37N 104.81W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0335 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.50 INCH        WELD               CO   AMATEUR RADIO

0346 PM     HAIL             5 E LOVELAND            40.42N 104.98W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0346 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.00 INCH        WELD               CO   AMATEUR RADIO

            10 MINUTES OF HAIL

0346 PM     HAIL             2 W NEW WINDSOR RESERVO 40.53N 104.93W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0355 PM     HAIL             2 SSE FORT COLLINS      40.53N 105.05W
08/10/2004  1.00 INCH        LARIMER            CO   AMATEUR RADIO

0359 PM     HAIL             4 S FORT COLLINS        40.50N 105.07W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0404 PM     HAIL             5 NW EVANS              40.43N 104.75W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0405 PM     HAIL             3 SW WINDSOR            40.45N 104.95W
08/10/2004  1.50 INCH        LARIMER            CO   TRAINED SPOTTER

0408 PM     HAIL             3 SW FORT COLLINS       40.52N 105.11W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0409 PM     HAIL             3 NNE LOVELAND          40.46N 105.05W
08/10/2004  0.75 INCH        LARIMER            CO   PUBLIC

0410 PM     HAIL             10 N HUDSON             40.22N 104.64W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

0410 PM     HAIL             4 N LOVELAND            40.48N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0417 PM     HAIL             3 S MILTON RESERVOIR    40.20N 104.63W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0431 PM     HAIL             FORT COLLINS            40.56N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0431 PM     HAIL             DRAKE                   40.43N 105.33W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0437 PM     HAIL             6 E GILCREST            40.28N 104.67W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0457 PM     HAIL             2 S BERTHOUD            40.28N 105.08W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0459 PM     HAIL             3 NE FORT LUPTON        40.12N 104.76W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0507 PM     HAIL             1 SSW FORT LUPTON       40.07N 104.81W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

&&

RAY
Local storm report, Aug 10, 5:19 PM MDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
519 PM MDT TUE AUG 10 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0252 PM     HAIL             2 NNW BLACK HOLLOW RESE 40.63N 104.89W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0313 PM     HAIL             WINDSOR                 40.49N 104.91W
08/10/2004  1.75 INCH        WELD               CO   AMATEUR RADIO

0322 PM     HAIL             6 NNE KELIM             40.47N 104.90W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0326 PM     HAIL             5 NW BARNESVILLE        40.52N 104.56W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0328 PM     HAIL             5 ENE KELIM             40.42N 104.86W
08/10/2004  1.50 INCH        WELD               CO   TRAINED SPOTTER

0329 PM     HAIL             10 W GREELEY            40.42N 104.93W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0330 PM     TORNADO          4 N MILLIKEN            40.37N 104.85W
08/10/2004                   WELD               CO   TRAINED SPOTTER

0334 PM     HAIL             5 SW GREELEY            40.37N 104.81W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0334 PM     TSTM WND GST     10 W GREELEY            40.42N 104.93W
08/10/2004  65 MPH           WELD               CO   TRAINED SPOTTER

0335 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.50 INCH        WELD               CO   AMATEUR RADIO

0346 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.00 INCH        WELD               CO   AMATEUR RADIO

            10 MINUTES OF HAIL

0346 PM     HAIL             5 E LOVELAND            40.42N 104.98W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0346 PM     HAIL             2 W NEW WINDSOR RESERVO 40.53N 104.93W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0355 PM     HAIL             2 SSE FORT COLLINS      40.53N 105.05W
08/10/2004  1.00 INCH        LARIMER            CO   AMATEUR RADIO

0359 PM     HAIL             4 S FORT COLLINS        40.50N 105.07W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0404 PM     HAIL             5 NW EVANS              40.43N 104.75W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0405 PM     HAIL             3 SW WINDSOR            40.45N 104.95W
08/10/2004  1.50 INCH        LARIMER            CO   TRAINED SPOTTER

0408 PM     HAIL             3 SW FORT COLLINS       40.52N 105.11W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0409 PM     HAIL             3 NNE LOVELAND          40.46N 105.05W
08/10/2004  0.75 INCH        LARIMER            CO   PUBLIC

0410 PM     HAIL             4 N LOVELAND            40.48N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0410 PM     HAIL             10 N HUDSON             40.22N 104.64W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

0417 PM     HAIL             3 S MILTON RESERVOIR    40.20N 104.63W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0431 PM     HAIL             FORT COLLINS            40.56N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0431 PM     HAIL             DRAKE                   40.43N 105.33W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0437 PM     HAIL             6 E GILCREST            40.28N 104.67W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0457 PM     HAIL             2 S BERTHOUD            40.28N 105.08W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0459 PM     HAIL             3 NE FORT LUPTON        40.12N 104.76W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0507 PM     HAIL             1 SSW FORT LUPTON       40.07N 104.81W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0510 PM     HAIL             4 NE LONGMONT           40.21N 105.06W
08/10/2004  1.00 INCH        BOULDER            CO   TRAINED SPOTTER

0514 PM     HAIL             BRIGHTON                39.96N 104.79W
08/10/2004  1.00 INCH        ADAMS              CO   TRAINED SPOTTER

0515 PM     HAIL             LOCHBUIE                40.01N 104.72W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0516 PM     HAIL             1 E BRIGHTON            39.96N 104.78W
08/10/2004  2.00 INCH        ADAMS              CO   TRAINED SPOTTER

&&

RAY
Local storm report, Aug 10, 5:24 PM MDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
524 PM MDT TUE AUG 10 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0252 PM     HAIL             2 NNW BLACK HOLLOW RESE 40.63N 104.89W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0313 PM     HAIL             WINDSOR                 40.49N 104.91W
08/10/2004  1.75 INCH        WELD               CO   AMATEUR RADIO

0322 PM     HAIL             6 NNE KELIM             40.47N 104.90W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0326 PM     HAIL             5 NW BARNESVILLE        40.52N 104.56W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0328 PM     HAIL             5 ENE KELIM             40.42N 104.86W
08/10/2004  1.50 INCH        WELD               CO   TRAINED SPOTTER

0329 PM     HAIL             10 W GREELEY            40.42N 104.93W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0330 PM     TORNADO          4 N MILLIKEN            40.37N 104.85W
08/10/2004                   WELD               CO   TRAINED SPOTTER

0334 PM     HAIL             5 SW GREELEY            40.37N 104.81W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0334 PM     TSTM WND GST     10 W GREELEY            40.42N 104.93W
08/10/2004  65 MPH           WELD               CO   TRAINED SPOTTER

0335 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.50 INCH        WELD               CO   AMATEUR RADIO

0346 PM     HAIL             5 E LOVELAND            40.42N 104.98W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0346 PM     HAIL             2 W NEW WINDSOR RESERVO 40.53N 104.93W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0346 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.00 INCH        WELD               CO   AMATEUR RADIO

            10 MINUTES OF HAIL

0355 PM     HAIL             2 SSE FORT COLLINS      40.53N 105.05W
08/10/2004  1.00 INCH        LARIMER            CO   AMATEUR RADIO

0359 PM     HAIL             4 S FORT COLLINS        40.50N 105.07W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0404 PM     HAIL             5 NW EVANS              40.43N 104.75W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0405 PM     HAIL             3 SW WINDSOR            40.45N 104.95W
08/10/2004  1.50 INCH        LARIMER            CO   TRAINED SPOTTER

0408 PM     HAIL             3 SW FORT COLLINS       40.52N 105.11W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0409 PM     HAIL             3 NNE LOVELAND          40.46N 105.05W
08/10/2004  0.75 INCH        LARIMER            CO   PUBLIC

0410 PM     HAIL             4 N LOVELAND            40.48N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0410 PM     HAIL             10 N HUDSON             40.22N 104.64W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

0417 PM     HAIL             3 S MILTON RESERVOIR    40.20N 104.63W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0431 PM     HAIL             DRAKE                   40.43N 105.33W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0431 PM     HAIL             FORT COLLINS            40.56N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0437 PM     HAIL             6 E GILCREST            40.28N 104.67W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0457 PM     HAIL             2 S BERTHOUD            40.28N 105.08W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0459 PM     HAIL             3 NE FORT LUPTON        40.12N 104.76W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0500 PM     HAIL             6 W CAMPION             40.35N 105.21W
08/10/2004  1.25 INCH        LARIMER            CO   TRAINED SPOTTER

0507 PM     HAIL             1 SSW FORT LUPTON       40.07N 104.81W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0510 PM     HAIL             4 NE LONGMONT           40.21N 105.06W
08/10/2004  1.00 INCH        BOULDER            CO   TRAINED SPOTTER

0514 PM     HAIL             BRIGHTON                39.96N 104.79W
08/10/2004  1.00 INCH        ADAMS              CO   TRAINED SPOTTER

0515 PM     HAIL             LOCHBUIE                40.01N 104.72W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0515 PM     HAIL             2 ENE LONGMONT          40.18N 105.08W
08/10/2004  0.75 INCH        BOULDER            CO   PUBLIC

0516 PM     HAIL             1 E BRIGHTON            39.96N 104.78W
08/10/2004  2.00 INCH        ADAMS              CO   TRAINED SPOTTER

0523 PM     HAIL             4 SSE AULT              40.53N 104.72W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

&&

RAY
Local storm report, Aug 10, 5:53 PM MDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
553 PM MDT TUE AUG 10 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0252 PM     HAIL             2 NNW BLACK HOLLOW RESE 40.63N 104.89W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0313 PM     HAIL             WINDSOR                 40.49N 104.91W
08/10/2004  1.75 INCH        WELD               CO   AMATEUR RADIO

0322 PM     HAIL             6 NNE KELIM             40.47N 104.90W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0326 PM     HAIL             5 NW BARNESVILLE        40.52N 104.56W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0328 PM     HAIL             5 ENE KELIM             40.42N 104.86W
08/10/2004  1.50 INCH        WELD               CO   TRAINED SPOTTER

0329 PM     HAIL             10 W GREELEY            40.42N 104.93W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0330 PM     TORNADO          4 N MILLIKEN            40.37N 104.85W
08/10/2004                   WELD               CO   TRAINED SPOTTER

0334 PM     TSTM WND GST     10 W GREELEY            40.42N 104.93W
08/10/2004  65 MPH           WELD               CO   TRAINED SPOTTER

0334 PM     HAIL             5 SW GREELEY            40.37N 104.81W
08/10/2004  1.00 INCH        WELD               CO   TRAINED SPOTTER

0335 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.50 INCH        WELD               CO   AMATEUR RADIO

0346 PM     HAIL             GREELEY                 40.42N 104.74W
08/10/2004  1.00 INCH        WELD               CO   AMATEUR RADIO

            10 MINUTES OF HAIL

0346 PM     HAIL             2 W NEW WINDSOR RESERVO 40.53N 104.93W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0346 PM     HAIL             5 E LOVELAND            40.42N 104.98W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0355 PM     HAIL             2 SSE FORT COLLINS      40.53N 105.05W
08/10/2004  1.00 INCH        LARIMER            CO   AMATEUR RADIO

0359 PM     HAIL             4 S FORT COLLINS        40.50N 105.07W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0404 PM     HAIL             5 NW EVANS              40.43N 104.75W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0405 PM     HAIL             3 SW WINDSOR            40.45N 104.95W
08/10/2004  1.50 INCH        LARIMER            CO   TRAINED SPOTTER

0408 PM     HAIL             3 SW FORT COLLINS       40.52N 105.11W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0409 PM     HAIL             3 NNE LOVELAND          40.46N 105.05W
08/10/2004  0.75 INCH        LARIMER            CO   PUBLIC

0410 PM     HAIL             10 N HUDSON             40.22N 104.64W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

0410 PM     HAIL             4 N LOVELAND            40.48N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0417 PM     HAIL             3 S MILTON RESERVOIR    40.20N 104.63W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0431 PM     HAIL             DRAKE                   40.43N 105.33W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0431 PM     HAIL             FORT COLLINS            40.56N 105.07W
08/10/2004  0.75 INCH        LARIMER            CO   AMATEUR RADIO

0437 PM     HAIL             6 E GILCREST            40.28N 104.67W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0457 PM     HAIL             2 S BERTHOUD            40.28N 105.08W
08/10/2004  1.00 INCH        LARIMER            CO   TRAINED SPOTTER

0459 PM     HAIL             3 NE FORT LUPTON        40.12N 104.76W
08/10/2004  0.75 INCH        WELD               CO   TRAINED SPOTTER

0500 PM     HAIL             6 W CAMPION             40.35N 105.21W
08/10/2004  1.25 INCH        LARIMER            CO   TRAINED SPOTTER

0507 PM     HAIL             1 SSW FORT LUPTON       40.07N 104.81W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0510 PM     HAIL             4 NE LONGMONT           40.21N 105.06W
08/10/2004  1.00 INCH        BOULDER            CO   TRAINED SPOTTER

0514 PM     HAIL             BRIGHTON                39.96N 104.79W
08/10/2004  1.00 INCH        ADAMS              CO   TRAINED SPOTTER

0515 PM     HAIL             2 ENE LONGMONT          40.18N 105.08W
08/10/2004  0.75 INCH        BOULDER            CO   PUBLIC

0515 PM     HAIL             LOCHBUIE                40.01N 104.72W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0515 PM     HAIL             LOCHBUIE                40.01N 104.72W
08/10/2004  1.75 INCH        WELD               CO   TRAINED SPOTTER

0515 PM     HAIL             EATON                   40.52N 104.71W
08/10/2004  1.50 INCH        WELD               CO   PUBLIC

0516 PM     HAIL             1 E BRIGHTON            39.96N 104.78W
08/10/2004  2.00 INCH        ADAMS              CO   TRAINED SPOTTER

0523 PM     HAIL             4 SSE AULT              40.53N 104.72W
08/10/2004  2.00 INCH        WELD               CO   TRAINED SPOTTER

0544 PM     HAIL             5 NE BOULDER            40.08N 105.18W
08/10/2004  0.75 INCH        BOULDER            CO   OFFICIAL NWS OBS

0546 PM     HAIL             4 NE BOULDER            40.07N 105.20W
08/10/2004  0.88 INCH        BOULDER            CO   AMATEUR RADIO

&&

RAY

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 6:02 PM MDTSevere Thunderstorm WarningBOUAdams, Boulder, Broomfield, Weld28 min
Aug 10, 6:10 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver, Douglas, Elbert50 min
Aug 10, 6:20 PM MDTSevere Thunderstorm WarningBOULarimer, Weld40 min
Aug 10, 6:25 PM MDTSevere Thunderstorm WarningBOUMorgan, Weld65 min
Aug 10, 6:26 PM MDTSevere Thunderstorm WarningBOUMorgan, Weld64 min
Aug 10, 6:34 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver, Douglas, Elbert41 min
Aug 10, 6:47 PM MDTSevere Thunderstorm WarningBOULarimer, Weld43 min
Aug 10, 7:02 PM MDTSevere Thunderstorm WarningBOUMorgan43 min
Aug 10, 7:05 PM MDTSevere Thunderstorm WarningBOUDouglas40 min
Aug 10, 7:10 PM MDTSevere Thunderstorm WarningBOULincoln65 min
Aug 10, 7:23 PM MDTSevere Thunderstorm WarningBOUBoulder, Larimer, Weld52 min
Aug 10, 7:57 PM MDTSevere Thunderstorm WarningBOULincoln53 min
Aug 10, 8:13 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Jefferson and 1 more62 min
Aug 10, 8:58 PM MDTSevere Thunderstorm WarningBOUArapahoe, Douglas47 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2004Every severe thunderstorm warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.