CoCoRaHS Hail: CO-BO-285
by info＠cocorahs.org
number: CO-BO-285
obs_date: 08/10/2025
obs_time: 07:15
Submitted: Monday, August 11, 2025
staname: Erie 1.7 WNW
Latitude: 40.0414439
Longitude: -105.0729374
location: True
am_pm: PM
largest: 0.500
smallest: 0.250
average: NA
consistency: Hard
damage: minor leaf damage.shredded leaves
comments:
duration: 12
accuracy: 1min
timing: Continuous
more rain: False
hail started: Same time as rain
Largest hail started: Same time as smaller hail
angle: 10-20
num_stones:
distance:
depth:
samples: False
4 months
CoCoRaHS Hail: CO-JF-617
by info＠cocorahs.org
number: CO-JF-617
obs_date: 08/10/2025
obs_time: 07:20
Submitted: Monday, August 11, 2025
staname: Arvada 1.1 ENE
Latitude: 39.8265
Longitude: -105.0872
location: True
am_pm: PM
largest: 0.250
smallest: 0.250
average: 0.250
consistency: Hard
damage: no damage
comments:
duration: 10
accuracy:
timing: Continuous
more rain: False
hail started: Same time as rain
Largest hail started: Same time as smaller hail
angle:
num_stones: 0
distance: 4
depth:
samples: False
4 months
CoCoRaHS Hail: CO-LR-1008
by info＠cocorahs.org
number: CO-LR-1008
obs_date: 08/10/2025
obs_time: 06:30
Submitted: Monday, August 11, 2025
staname: Wellington 0.8 SW
Latitude: 40.6961135864258
Longitude: -105.014015197754
location: True
am_pm: PM
largest: 0.250
smallest: 0.250
average: 0.250
consistency:
damage: no damage
comments:
duration: 1
accuracy:
timing:
more rain: False
hail started: Same time as rain
Largest hail started:
angle:
num_stones:
distance:
depth:
samples: False
4 months
CoCoRaHS Hail: CO-BO-435
by info＠cocorahs.org
number: CO-BO-435
obs_date: 08/10/2025
obs_time: 06:35
Submitted: Monday, August 11, 2025
staname: Longmont 3.0 SW
Latitude: 40.1404
Longitude: -105.149
location: True
am_pm: PM
largest: 0.250
smallest: 0.250
average: 0.250
consistency: Hard
damage: minor leaf damage
comments:
duration: 5
accuracy: 2min
timing: Continuous
more rain: True
hail started: Same time as rain
Largest hail started: Same time as smaller hail
angle: 50-60
num_stones:
distance:
depth:
samples: False
4 months
CoCoRaHS Hail: CO-LR-623
by info＠cocorahs.org
number: CO-LR-623
obs_date: 08/10/2025
obs_time: 07:22
Submitted: Sunday, August 10, 2025
staname: Fort Collins 5.4 WSW
Latitude: 40.518589
Longitude: -105.158975
location: True
am_pm: PM
largest: 0.375
smallest: 0.100
average: 0.250
consistency: Mixed, Clear Ice, White Ice
damage: minor leaf damage
comments: Heavy rain, hail started clear, now it is white. Rain is calming down, but hail is still falling.
duration: 11
accuracy: 1min
timing: Intermittent
more rain: True
hail started: After rain
Largest hail started: Same time as smaller hail
angle: 30-40
num_stones:
distance:
depth:
samples: False
4 months, 1 week
CoCoRaHS IntensePcpn: CO-LR-623, NA
by info＠cocorahs.org
number: CO-LR-623
obs_date: 08/10/2025
obs_time: 07:22 PM
Submitted: Sunday, August 10, 2025
staname: Fort Collins 5.4 WSW
Latitude: 40.518589
Longitude: -105.158975
location: True
TotalPcpn: NA
PcpnDurationAmt: 0.92
in past: 15
tm_units: mins
Flooding: Unusual
TotalSnowDepth: NA
NewSnowDepth: NA
Notes: Small pea-sized hail accompanying storm
4 months, 1 week
CoCoRaHS Hail: CO-LR-1200
by info＠cocorahs.org
number: CO-LR-1200
obs_date: 08/10/2025
obs_time: 07:19
Submitted: Sunday, August 10, 2025
staname: Berthoud 2.5 N
Latitude: 40.340726
Longitude: -105.089039
location: True
am_pm: PM
largest: 0.250
smallest: 0.100
average: 0.250
consistency: White Ice
damage: no damage
comments:
duration: 3
accuracy: 1min
timing: Continuous
more rain: True
hail started: After rain
Largest hail started: Same time as smaller hail
angle: 10-20
num_stones:
distance:
depth:
samples: False
4 months, 1 week
CoCoRaHS Hail: CO-BO-220
by info＠cocorahs.org
number: CO-BO-220
obs_date: 08/10/2025
obs_time: 07:05
Submitted: Sunday, August 10, 2025
staname: Boulder 4.7 ENE
Latitude: 40.0591
Longitude: -105.1717
location: True
am_pm: PM
largest: 0.875
smallest: 0.375
average: 0.500
consistency: Clear Ice, White Ice
damage: minor leaf damage
comments: some tree leaves/small twigs knocked to ground; tender leaves damaged; no car dents observed. Hail tended to shatter when it hit the ground. The hail mostly covered smooth surfaces, but is pretty well melted now.
duration: 5
accuracy: 1min
timing: Continuous
more rain: False
hail started: After rain
Largest hail started: After smaller hail
angle: 30-40
num_stones:
distance:
depth:
samples: False
4 months, 1 week
CoCoRaHS IntensePcpn: CO-BO-143, 0.62
by info＠cocorahs.org
number: CO-BO-143
obs_date: 08/10/2025
obs_time: 07:10 PM
Submitted: Sunday, August 10, 2025
staname: Longmont 2.1 N
Latitude: 40.2001
Longitude: -105.1087
location: True
TotalPcpn: 0.62
PcpnDurationAmt: 0.62
in past: 50
tm_units: mins
Flooding: Minor
TotalSnowDepth: NA
NewSnowDepth: NA
Notes:
4 months, 1 week
CoCoRaHS Hail: CO-BO-76
by info＠cocorahs.org
number: CO-BO-76
obs_date: 08/10/2025
obs_time: 06:59
Submitted: Sunday, August 10, 2025
staname: Niwot 1.8 SSW
Latitude: 40.0786
Longitude: -105.1808
location: True
am_pm: PM
largest: 0.750
smallest: 0.250
average: 0.500
consistency: Hard, White Ice
damage: shredded leaves
comments: A few 1/8" hailstones around 6:53 pm, but ended while rain continued. Heavy rain at 6:58 pm, then larger hail (mostly 1/2", some 3/4") at 6:59 pm. After 4 minutes hail became small (1/4") and ended.
duration: 4
accuracy: 1min
timing: Continuous
more rain: True
hail started: After rain
Largest hail started: After smaller hail
angle: 10-20
num_stones:
distance:
depth:
samples: False
4 months, 1 week
