Alert archive / Colorado / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 270, NWS Denver/Boulder, CO

July 28, 2026Arapahoe County, Douglas County, Elbert County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 28, 2026, 2:52 PM MDT for Arapahoe County, Douglas County, Elbert County, Colorado. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 28, 2026, 2:52 PM MDT (20:52 UTC)
Expired: Jul 28, 2026, 3:30 PM MDT
In force: 38 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Arapahoe County, CO, Douglas County, CO, Elbert County, CO

The radar

The Denver radar (KFTG), 41 km from the middle of the area, began a volume at 20:54 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 28, 1:07 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

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 Jul 28, 1:27 PM MDT, 1 hour 25 minutes earlier.

Area forecast discussion, Jul 28, 1:27 PM MDT, 1 hour 25 minutes before

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In the hours before

Special weather statement, Jul 28, 1:27 PM MDT, 1 hour 25 minutes before

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Special weather statement, Jul 28, 2:18 PM MDT, 34 minutes before

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Special weather statement, Jul 28, 2:31 PM MDT, 21 minutes before

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Special weather statement, Jul 28, 2:34 PM MDT, 18 minutes before

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Special weather statement, Jul 28, 2:45 PM MDT, 7 minutes before

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Special weather statement, Jul 28, 2:47 PM MDT, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 2:55 AM MDT	Flood Watch	BOU	Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 2 more	19 hr
Jul 28, 12:25 PM MDT	Areal Flood Advisory	BOU	Larimer	59 min
Jul 28, 12:30 PM MDT	Special Weather Statement	BOU	Gilpin	30 min
Jul 28, 12:51 PM MDT	Areal Flood Advisory	BOU	Larimer	33 min
Jul 28, 12:54 PM MDT	Areal Flood Advisory	BOU	Gilpin	3 hr
Jul 28, 12:56 PM MDT	Areal Flood Advisory	BOU	Douglas	3 hr
Jul 28, 1:01 PM MDT	Flash Flood Warning	BOU	Larimer	3 hr
Jul 28, 1:03 PM MDT	Special Weather Statement	BOU	Douglas	42 min
Jul 28, 1:22 PM MDT	Areal Flood Advisory	BOU	Douglas, Elbert	12 min
Jul 28, 1:27 PM MDT	Special Weather Statement	BOU	Larimer	48 min
Jul 28, 1:31 PM MDT	Severe Thunderstorm Warning	BOU	Jefferson, Park	29 min
Jul 28, 1:34 PM MDT	Flash Flood Warning	BOU	Douglas, Elbert	3 hr
Jul 28, 1:52 PM MDT	Severe Thunderstorm Warning	BOU	Boulder, Larimer	26 min
Jul 28, 1:59 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	31 min
Jul 28, 2:18 PM MDT	Special Weather Statement	BOU	Boulder	27 min
Jul 28, 2:28 PM MDT	Areal Flood Advisory	BOU	Boulder, Larimer	3 hr
Jul 28, 2:31 PM MDT	Special Weather Statement	BOU	Douglas	44 min
Jul 28, 2:34 PM MDT	Special Weather Statement	BOU	Logan	41 min
Jul 28, 2:45 PM MDT	Special Weather Statement	BOU	Arapahoe	45 min
Jul 28, 2:47 PM MDT	Special Weather Statement	BOU	Lincoln	43 min
Jul 28, 2:48 PM MDT	Areal Flood Advisory	BOU	Boulder, Weld	117 min
Jul 28, 2:58 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	32 min
Jul 28, 3:04 PM MDT	Severe Thunderstorm Warning	BOU	Logan	41 min
Jul 28, 3:06 PM MDT	Areal Flood Advisory	BOU	Douglas	113 min
Jul 28, 3:09 PM MDT	Areal Flood Advisory	BOU	Morgan, Weld	2 hr
Jul 28, 3:11 PM MDT	Severe Thunderstorm Warning	BOU	Logan	34 min
Jul 28, 3:15 PM MDT	Severe Thunderstorm Warning	BOU	Adams	30 min
Jul 28, 3:18 PM MDT	Areal Flood Advisory	BOU	Adams, Arapahoe	117 min
Jul 28, 3:28 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BOU	Logan	32 min
Jul 28, 3:31 PM MDT	Areal Flood Advisory	BOU	Logan	3 hr
Jul 28, 3:32 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	43 min
Jul 28, 3:40 PM MDT	Areal Flood Advisory	BOU	Elbert, Lincoln	3 hr
Jul 28, 3:53 PM MDT	Special Weather Statement	BOU	Morgan	37 min
Jul 28, 3:56 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	34 min
Jul 28, 3:58 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Washington	32 min
Jul 28, 4:00 PM MDT	Severe Thunderstorm Warning	BOU	Morgan	30 min
Jul 28, 4:02 PM MDT	Areal Flood Advisory	BOU	Logan	3 hr
Jul 28, 4:11 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Washington	34 min
Jul 28, 4:22 PM MDT	Severe Thunderstorm Warning	BOU	Washington	38 min
Jul 28, 4:28 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	47 min
Jul 28, 4:40 PM MDT	Areal Flood Advisory	BOU	Adams, Morgan, Washington	3 hr
Jul 28, 4:45 PM MDT	Severe Thunderstorm Warning	BOU	Washington	45 min
Jul 28, 4:48 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	42 min
Jul 28, 5:00 PM MDT	Areal Flood Advisory	BOU	Morgan, Washington	4 hr
Jul 28, 5:00 PM MDT	Severe Thunderstorm Warning	BOU	Washington	30 min
Jul 28, 5:07 PM MDT	Areal Flood Advisory	BOU	Lincoln	3 hr
Jul 28, 5:15 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	45 min
Jul 28, 5:20 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Washington	40 min
Jul 28, 5:50 PM MDT	Special Weather Statement	BOU	Washington	40 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2026 Every severe thunderstorm warning in 2026

Sources

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