Severe Thunderstorm Warning 310, NWS Denver/Boulder, CO

Issued

Aug 13, 2026, 7:03 PM MDT (01:03 UTC)

Expired

Aug 13, 2026, 7:30 PM MDT

In force

27 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

County Lincoln County, CO

The Pueblo radar (KPUX), 67 km from the middle of the area, began a volume at 01:05 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.

867 
WUUS55 KBOU 140103
SVRBOU
COC073-140130-
/O.NEW.KBOU.SV.W.0310.260814T0103Z-260814T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
703 PM MDT Thu Aug 13 2026

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  Southeastern Lincoln County in east central Colorado...

* Until 730 PM MDT.

* At 703 PM MDT, a severe thunderstorm was located near Karval, or 38
  miles south of Limon, moving north at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage to
           roofs, siding, and trees.

* Locations impacted include...
  Karval.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3865 10343 3873 10373 3893 10363 3886 10333
TIME...MOT...LOC 0103Z 197DEG 14KT 3872 10359

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63

441 
WWUS55 KBOU 140111
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
711 PM MDT Thu Aug 13 2026

COC073-140130-
/O.CON.KBOU.SV.W.0310.000000T0000Z-260814T0130Z/
Lincoln CO-
711 PM MDT Thu Aug 13 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT FOR
SOUTHEASTERN LINCOLN COUNTY...

At 711 PM MDT, a severe thunderstorm was located near Karval, or 36
miles south of Limon, moving north at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
         roofs, siding, and trees.

Locations impacted include...
  Karval.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3865 10343 3873 10373 3893 10363 3886 10333
TIME...MOT...LOC 0103Z 197DEG 14KT 3872 10359

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63

868 
WWUS55 KBOU 140129
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
729 PM MDT Thu Aug 13 2026

COC073-140139-
/O.EXP.KBOU.SV.W.0310.000000T0000Z-260814T0130Z/
Lincoln CO-
729 PM MDT Thu Aug 13 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 730 PM MDT FOR
SOUTHEASTERN LINCOLN COUNTY...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, small
hail, gusty winds, and heavy rain are still possible with this
thunderstorm.

&&

LAT...LON 3865 10343 3873 10373 3893 10363 3886 10333
TIME...MOT...LOC 0111Z 197DEG 14KT 3876 10358

$$

63

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

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.