Alert archive / Colorado / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 332, NWS Denver/Boulder, CO

August 16, 2026Morgan County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 16, 2026, 6:12 PM MDT for Morgan County, Colorado. It was in force for 33 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 16, 2026, 6:12 PM MDT (00:12 UTC)
Expired
Aug 16, 2026, 6:45 PM MDT
In force
33 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County Morgan County, CO

The radar

The Denver radar (KFTG), 82 km from the middle of the area, began a volume at 00:15 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.

IssuedProductOfficeLasted
Aug 16, 2:06 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 287 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2026-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 334 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2026-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
334 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1497 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
113 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 16, 5:59 PM MDT, 13 minutes earlier.

Area forecast discussion, Aug 16, 5:59 PM MDT, 13 minutes before
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In the hours before

Special weather statement, Aug 16, 2:38 PM MDT, 3 hours 34 minutes before
Special Weather Statement
National Weather Service Denver CO
238 PM MDT Sun Aug 16 2026

COZ041-162115-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
238 PM MDT Sun Aug 16 2026

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL ELBERT COUNTY UNTIL 315
PM MDT...

At 238 PM MDT, Doppler radar was tracking a strong thunderstorm 9
miles west of Simla, or 31 miles west of Limon, moving east at 10
mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Simla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Heavy rain is occurring with this storm and may lead to flooding. Do
not drive your vehicle through flooded roadways.

&&

LAT...LON 3924 10432 3927 10416 3926 10416 3926 10414
      3927 10413 3925 10412 3925 10411 3927 10409
      3926 10409 3925 10408 3925 10406 3924 10406
      3923 10405 3923 10404 3905 10403 3905 10405
      3913 10405 3913 10431
TIME...MOT...LOC 2038Z 266DEG 8KT 3916 10425

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

63
Local storm report, Aug 16, 3:44 PM MDT, 2 hours 28 minutes before
Preliminary Local Storm Report...Summary
National Weather Service Denver CO
344 PM MDT Sun Aug 16 2026

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

0330 PM     Flash Flood      6 WNW Simla             39.17N 104.18W
08/16/2026                   Elbert             CO   Storm Chaser

            Video on social media of standing water of
            at least 6 inches over CR. 105.

0243 PM     Tstm Wnd Gst     6 W Simla               39.14N 104.20W
08/16/2026  M64 MPH          Elbert             CO   Mesonet

            Personal Weather Station- Weather
            Underground.

0223 PM     Hail             2 W Ponderosa Park      39.39N 104.67W
08/16/2026  E0.75 Inch       Douglas            CO   Public

            Report from mPING: Dime (0.75 in.).

&&
Special weather statement, Aug 16, 3:54 PM MDT, 2 hours 18 minutes before
Special Weather Statement
National Weather Service Denver CO
354 PM MDT Sun Aug 16 2026

COZ047-162245-
Southeast Elbert County Below 6000 Feet/South Lincoln County CO-
354 PM MDT Sun Aug 16 2026

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN ELBERT AND
SOUTHERN LINCOLN COUNTIES UNTIL 445 PM MDT...

At 354 PM MDT, Doppler radar was tracking a line of strong
thunderstorms extending from 8 miles northeast of Boyero to 7 miles
east of Truckton, or extending from 32 miles southeast of Limon to 37
miles northeast of Pueblo Airport, moving southeast at 15 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Punkin Center, Kutch and Boyero.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Heavy rain is occurring with these storms and may lead to flooding.
Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3877 10405 3904 10387 3910 10334 3910 10316
      3887 10316 3880 10364 3852 10401 3852 10405
TIME...MOT...LOC 2154Z 303DEG 13KT 3903 10319 3897 10382 3870 10406

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 TO 55 MPH

63
Special weather statement, Aug 16, 4:43 PM MDT, 1 hour 29 minutes before
Special Weather Statement
National Weather Service Denver CO
443 PM MDT Sun Aug 16 2026

COZ047-162315-
Southeast Elbert County Below 6000 Feet/South Lincoln County CO-
443 PM MDT Sun Aug 16 2026

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL LINCOLN COUNTY
UNTIL 515 PM MDT...

At 443 PM MDT, Doppler radar was tracking a strong thunderstorm near
Boyero, or 31 miles southeast of Limon, moving southeast at 10 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Boyero.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Heavy rain is occurring with this storm and may lead to flooding. Do
not drive your vehicle through flooded roadways.

&&

LAT...LON 3885 10343 3904 10343 3903 10316 3885 10316
TIME...MOT...LOC 2242Z 319DEG 7KT 3893 10331

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 TO 55 MPH

63
Local storm report, Aug 16, 5:26 PM MDT, 46 minutes before
Preliminary Local Storm Report
National Weather Service Denver CO
526 PM MDT Sun Aug 16 2026

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

0518 PM     Hail             7 SW Boyero             38.85N 103.35W
08/16/2026  E1.50 Inch       Lincoln            CO   Public

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

&&

AA
Special weather statement, Aug 16, 5:29 PM MDT, 43 minutes before
Special Weather Statement
National Weather Service Denver CO
529 PM MDT Sun Aug 16 2026

COZ042>044-170000-
Morgan County CO-Northeast Weld County CO-Central and South Weld
County CO-
529 PM MDT Sun Aug 16 2026

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN MORGAN AND
EAST CENTRAL WELD COUNTIES UNTIL 6 PM MDT...

At 529 PM MDT, Doppler radar was tracking a line of strong
thunderstorms extending from 10 miles north of Stoneham to 11 miles
southeast of Briggsdale, or extending from 27 miles west of Sterling
to 27 miles northwest of Fort Morgan, moving southeast at 15 mph.

HAZARD...Landspouts, wind gusts up to 50 mph, and penny size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible. Gusty winds
         could knock down tree limbs and blow around unsecured
         objects.

Locations impacted include...
  New Raymer, Jackson Reservoir, Stoneham and Buckingham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Heavy rain is occurring with these storms and may lead to flooding.
Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4057 10435 4068 10396 4084 10368 4069 10358
      4060 10358 4046 10377 4035 10417
TIME...MOT...LOC 2329Z 321DEG 12KT 4076 10368 4060 10389 4051 10420

LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

63

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 6:36 PM MDTAreal Flood AdvisoryBOUWeld3 hr
Aug 16, 6:43 PM MDTSpecial Weather StatementBOUMorgan47 min
Aug 16, 6:45 PM MDTAreal Flood AdvisoryBOULogan, Morgan, Washington2 hr
Aug 16, 7:24 PM MDTSpecial Weather StatementBOUWashington51 min
Aug 16, 8:26 PM MDTAreal Flood AdvisoryBOULincoln3 hr
Aug 17, 4:35 PM MDTSpecial Weather StatementBOUWashington40 min
Aug 17, 5:41 PM MDTSpecial Weather StatementBOUSedgwick34 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2026Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.