--CoCoRaHS-- Detailed Hail Form

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Rain Form

This is the detailed form, enter Your Observations below. Please make sure your entries are correct!

Note: Please expect a time delay when you hit Submit because this information is forwarded directly to the National Weather Service to assist with their severe weather forecasting.

Station Information

Station number (examples: 42, 309, LR5, JF101, RMHS71)
Station name (examples: FCL 4.5 SW, Denver 3.0 E, Nucla 23 S)
Yes No Was observation taken at the registered location?

Date of storm. Change as necessary.

Month
Day
Year

Time Hail Began (hh:mm)
am pm

Size of hailstones

Largest
Rice Pea 1/4" 3/8" Grape 1/2" 5/8" 3/4" Walnut 1"
Golf Ball 1/1/2" Hens Egg 2" Tennis Ball 3" 4" 5"
Smallest
Rice Pea 1/4" 3/8" Grape 1/2" 5/8" 3/4" Walnut 1"
Golf Ball 1/1/2" Hens Egg 2" Tennis Ball 3" 4" 5"
Average
Rice Pea 1/4" 3/8" Grape 1/2" 5/8" 3/4" Walnut 1"
Golf Ball 1/1/2" Hens Egg 2" Tennis Ball 3" 4" 5"

Hail Lasted:

minutes
This time is correct within:
1min. 2min. 3 to 5 min. 10 or more min.

Hailfall was:

Continuous Intermittent

Hailstones were:

Hard Soft Clear ice White ice Mixed
(Check all that apply)

Was there more rain than hail?

Yes No

Hail Started:

before rain after rain at the same time as rain

Largest Hail Started:

Before smaller hail after smaller hail. Same time as smaller hail

Damage?

If the storm caused damage, please specify. (check all that apply)
no damage
minor leaf damage
shredded leaves
dents in cars
damaged shingles
broken house windows
broken car windows

What angle did the hail fall at most of the time?

vertical (no wind)
10-20 deg. (light wind)
30-40 deg. (moderate winds)
50-60 deg. (strong winds)
70+ deg. (bad news!!!)

Hail pad information:

number of indentations on pad.
Average distance between hailstone indentations on your pad.
inches apart
If this is less than 1/4 inch, tell us the depth of the hail on the ground.
depth of hail on ground inches.

Was any hail preserved?

Yes No

Additional comments? (please be brief)

Remember to check your entries before you submit!

Also remember to replace your hail pad after each storm (see instructions)

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