Alert archive / Colorado / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 313, NWS Denver/Boulder, CO

August 9, 2025Lincoln County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 9, 2025, 8:47 PM MDT for Lincoln County, Colorado. It was in force for 43 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: Aug 9, 2025, 8:47 PM MDT (02:47 UTC)
Expired: Aug 9, 2025, 9:30 PM MDT
In force: 43 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Damage threat: Considerable
Hail: 2.5 in
Wind: 60.0 mph

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 82 km from the middle of the area, began a volume at 02:48 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
Aug 9, 1:52 PM MDT	Severe Thunderstorm Watch	SPC	12 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.8 hours before the alert went out and 343 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2074 J/kg
Mixed-layer CIN: -189 J/kg
Mixed-layer LCL: 2433 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

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 9, 6:20 PM MDT, 2 hours 27 minutes earlier.

Area forecast discussion, Aug 9, 6:20 PM MDT, 2 hours 27 minutes before

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Hazardous weather outlook, Aug 9, 9:02 AM MDT, 11 hours 45 minutes before

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
902 AM MDT Sat Aug 9 2025

COZ030>051-101515-
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-
902 AM MDT Sat Aug 9 2025

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Elevated to near critical fire weather conditions will be possible
again today across the northern mountains and mountain valleys.

Two rounds of showers/thunderstorms expected this afternoon and
overnight. For the afternoon, strong to severe thunderstorms are
possible across the plains, particularly east of the urban
corridor. Main threats will be 1-2" hail and 60+ mph wind gusts.
However, cannot rule out a brief tornado.

A second round of thunderstorms is possible this evening into the
overnight hours for the urban corridor and eastern plains. A few
storms could be strong to severe, with hail being the main threat.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

For Sunday and Monday, additional afternoon and evening storms
are possible. After that, warm and briefly dry conditions are
expected, with temperatures reaching 90+ degrees each day through
the end of the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be required today or tonight.

In the hours before

Local storm report, Aug 9, 4:01 PM MDT, 4 hours 46 minutes before

Preliminary Local Storm Report
National Weather Service Denver CO
401 PM MDT Sat Aug 9 2025

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

0341 PM     Hail             1 WNW Limon             39.27N 103.72W
08/09/2025  M1.00 Inch       Elbert             CO   Storm Chaser

0359 PM     Hail             7 S Cedar Point         39.26N 103.85W
08/09/2025  E1.75 Inch       Elbert             CO   Public

            Report from mPING: Golf Ball (1.75 in.).

&&

Local storm report, Aug 9, 4:11 PM MDT, 4 hours 36 minutes before

Preliminary Local Storm Report
National Weather Service Denver CO
411 PM MDT Sat Aug 9 2025

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

0401 PM     Hail             6 W Limon               39.23N 103.79W
08/09/2025  E1.50 Inch       Elbert             CO   Public

            Report from mPING: Ping Pong Ball (1.50
            in.).

0404 PM     Hail             6 S Cedar Point         39.26N 103.85W
08/09/2025  M2.00 Inch       Elbert             CO   Trained Spotter

            Report from mPING: Hen Egg (2.00 in.).

0408 PM     Hail             7 SW Limon              39.21N 103.79W
08/09/2025  E1.00 Inch       Elbert             CO   Public

            Report from mPING: Quarter (1.00 in.).

0409 PM     Hail             6 W Limon               39.23N 103.79W
08/09/2025  E2.00 Inch       Elbert             CO   Public

            Report from mPING: Hen Egg (2.00 in.).

&&

Local storm report, Aug 9, 4:38 PM MDT, 4 hours 9 minutes before

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Local storm report, Aug 9, 6:58 PM MDT, 1 hour 49 minutes before

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Local storm report, Aug 9, 7:20 PM MDT, 1 hour 27 minutes before

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Local storm report, Aug 9, 7:52 PM MDT, 55 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
Aug 9, 6:12 PM MDT	Severe Thunderstorm Warning	BOU	Phillips, Sedgwick	17 min
Aug 9, 6:26 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Lincoln	64 min
Aug 9, 6:35 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Elbert, Lincoln	40 min
Aug 9, 6:42 PM MDT	Areal Flood Advisory	BOU	Adams, Washington	2 hr
Aug 9, 6:46 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	26 min
Aug 9, 6:54 PM MDT	Areal Flood Advisory	BOU	Elbert, Lincoln	3 hr
Aug 9, 7:08 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	52 min
Aug 9, 7:23 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Lincoln	31 min
Aug 9, 7:31 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	35 min
Aug 9, 7:52 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	38 min
Aug 9, 8:26 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Elbert, Lincoln	49 min
Aug 9, 8:59 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	36 min
Aug 9, 9:25 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Lincoln	36 min
Aug 10, 12:14 PM MDT	Special Weather Statement	BOU	Jefferson	46 min
Aug 10, 1:19 PM MDT	Special Weather Statement	BOU	Teller	26 min
Aug 10, 2:41 PM MDT	Special Weather Statement	BOU	Denver	34 min
Aug 10, 2:49 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe, Denver	41 min
Aug 10, 3:08 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe, Elbert, Lincoln, Washington	52 min
Aug 10, 3:19 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	41 min
Aug 10, 3:48 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe	42 min
Aug 10, 3:57 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	48 min
Aug 10, 4:02 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln, Washington	43 min
Aug 10, 4:20 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	40 min
Aug 10, 4:30 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BOU	Adams, Morgan	33 min
Aug 10, 4:39 PM MDT	Areal Flood Advisory	BOU	Morgan, Weld	3 hr
Aug 10, 4:40 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln, Washington	43 min
Aug 10, 4:44 PM MDT	Areal Flood Advisory	BOU	Morgan, Weld	3 hr
Aug 10, 4:55 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	30 min
Aug 10, 4:58 PM MDT	Severe Thunderstorm Warning	BOU	Morgan	19 min
Aug 10, 5:00 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Washington	21 min
Aug 10, 5:49 PM MDT	Severe Thunderstorm Warning	BOU	Weld	19 min
Aug 10, 5:57 PM MDT	Special Weather Statement	BOU	Weld	48 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2025 Every severe thunderstorm warning in 2025

Sources

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