Hail on Date

Hail in Denver on Thursday, June 22, 2023

The Storm Prediction Center logged 36 hail reports in Denver on Thursday, June 22, 2023, between 2:17 pm and 8:30 pm MDT, in 4 of the metro's 7 counties. The largest was 2.50 inches at 2 NNW Indian Hills (Jefferson County) at 2:39 pm. NOAA radar flagged 995 hail signatures inside the metro that day: 323 rated a 100% chance of hail and 265 with a maximum expected size of 1 inch or more.

36spotter hail reports in the metro
2.50 inlargest reported, 2 NNW Indian Hills
995radar hail signatures inside the metro, 323 rated 100%
3.25 inlargest expected size on radar
Map of Denver counties with 995 radar hail signatures and 36 spotter hail reports on June 22, 2023 Adams Arapahoe Boulder Broomfield Denver Douglas Jefferson 2.50 in, 2 NNW Indian Hills
Amber dots are radar hail signatures inside the metro's counties (every cell the algorithm rated, 10% to 100% chance of hail), darkest under 1 inch, brighter from 1 inch, brightest at 2 inches and up. Triangles are spotter reports; the filled one is the largest. County names are drawn at each county's center.

Where hail was reported

Reports came from 19 places in Arapahoe, Denver, Douglas and Jefferson counties, named as the National Weather Service described them.

Every hail report logged that day

Times are Mountain Daylight Time. Sizes are in inches, as reported. The comment is the National Weather Service's text as published in the Storm Prediction Center's daily log.

TimeSizePlaceCountyNWS comment
2:17 pm1.751 E EvergreenJefferson(BOU)
2:19 pm1.001 NNE EvergreenJefferson(BOU)
2:25 pm1.002 N IdledaleJeffersonReport from mPING: Quarter (1.00 in.). (BOU)
2:31 pm2.502 NNW Indian HillsJeffersonCorrects time of previous hail report from 2 NNW Indian Hills. Estimated hail size based on Twitter image and spotter report. (BOU)
2:38 pm1.25MorrisonJefferson(BOU)
2:39 pm2.502 NNW Indian HillsJeffersonEstimated hail size based on Twitter image and spotter report. (BOU)
2:44 pm1.001 N KittredgeJeffersonReport from mPING: Quarter (1.00 in.). (BOU)
2:49 pm2.00MorrisonJefferson(BOU)
2:50 pm1.501 E MorrisonJeffersonVehicle damage also reported. Time estimated by radar. (BOU)
2:51 pm1.752 SE MorrisonJefferson(BOU)
2:59 pm1.00Pleasant ViewJeffersonReport from mPING: Quarter (1.00 in.). (BOU)
3:01 pm1.25Pleasant ViewJeffersonReport from mPING: Half Dollar (1.25 in.). (BOU)
3:04 pm1.002 NE Ken CarylJeffersonReport from mPING: Quarter (1.00 in.). (BOU)
3:05 pm1.753 NW ColumbineJefferson(BOU)
3:08 pm1.001 N Ken CarylJeffersonReport from mPING: Quarter (1.00 in.). (BOU)
3:12 pm1.001 NNW ColumbineJefferson(BOU)
3:12 pm1.253 NW ColumbineDenverReport from mPING: Half Dollar (1.25 in.). (BOU)
3:14 pm1.002 W ColumbineJeffersonReport from mPING: Quarter (1.00 in.). (BOU)
3:16 pm1.002 N ColumbineDenverReport from mPING: Quarter (1.00 in.). (BOU)
3:20 pm2.001 WNW ColumbineJeffersonUp to 2 inches in size. Damage to roof and window screens also reported. Time estimated by radar. (BOU)
3:23 pm1.001 NNW LittletonArapahoe(BOU)
3:25 pm1.752 SSW SheridanArapahoeReport from mPING: Golf Ball (1.75 in.). (BOU)
3:25 pm1.753 WSW AuroraArapahoe(BOU)
3:33 pm1.001 ESE ColumbineArapahoeReport from mPING: Quarter (1.00 in.). (BOU)
3:33 pm1.501 SW LittletonArapahoeReport from mPING: Ping Pong Ball (1.50 in.). (BOU)
3:38 pm1.001 WSW Castle PinesDouglasCorrects previous hail report from 1 WSW Castle Pines. (BOU)
3:55 pm1.00Highlands RanchDouglas(BOU)
3:56 pm1.001 WNW ParkerDouglasReport from mPING: Quarter (1.00 in.). (BOU)
3:57 pm1.251 SW ParkerDouglasTime estimated from radar. (BOU)
4:00 pm1.001 WSW Castle PinesDouglas(BOU)
4:05 pm1.004 ESE FoxfieldArapahoe(BOU)
4:06 pm1.002 ESE ParkerDouglasReport from mPING: Quarter (1.00 in.). (BOU)
4:15 pm1.253 ESE The PineryDouglasReport from mPING: Half Dollar (1.25 in.). (BOU)
4:16 pm1.002 E FranktownDouglas(BOU)
4:35 pm1.008 SE Castlewood CanyonDouglas(BOU)
8:30 pm1.003 E ConiferJeffersonAccumulation of 1.5 inches of hail on the ground. (BOU)

What NEXRAD radar recorded inside the metro

995 signatures from 5 radars fell inside the metro's counties on this local date, counting every cell the algorithm rated from a 10% to a 100% chance of hail; 323 were rated 100% and 73 had a maximum expected size of 2 inches or more.

RadarSignaturesRated 100%1 in or more2 in or moreLargest expectedFirstLast
KDEN49114813292.25 in12:02 am11:59 pm
KCYS1655743213.25 in12:05 am11:13 pm
KFTG1585043193.00 in12:01 am11:31 pm
KPUX1545947243.25 in12:03 am11:00 pm
KGLD279000.75 in1:20 am6:40 pm

Each radar that scans a storm writes its own signature about every 4 to 6 minutes, so one storm produces many rows and overlapping radars count it more than once. The raw rows for this day are in NOAA's Severe Weather Data Inventory.

Check an address for June 22, 2023

See, free, how many hail signatures NOAA recorded within 1, 3 and 5 miles of one address that day and the nearest spotter report. The full report is $19.

Spotter reports come from the Storm Prediction Center's preliminary daily logs, grouped here by local calendar date (Mountain Daylight Time) and by county: a report counts for Denver when its coordinates fall inside one of the metro's 7 counties (Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and Jefferson counties). Radar signatures are estimates from the Hail Detection Algorithm, not measured stones; they include every cell it rated, from a 10% to a 100% probability of hail. How these pages are built.