424 
WUUS55 KBOU 192008
SVRBOU
COC001-005-039-192100-
/O.NEW.KBOU.SV.W.0395.260919T2008Z-260919T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
208 PM MDT Sat Sep 19 2026

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  Northeastern Elbert County in east central Colorado...
  Southeastern Adams County in northeastern Colorado...
  Central Arapahoe and Eastern Arapahoe County in northeastern
  Colorado...

* Until 300 PM MDT.

* At 208 PM MDT, severe thunderstorms were located along a line from
  6 miles north of Byers to 16 miles northwest of Simla, or along a
  line from 39 miles southwest of Fort Morgan to 28 miles west of
  Limon, moving east at 25 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Deer Trail, Byers, Agate and Leader.

This includes Interstate 70 between mile markers 316 and 347.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds.

&&

LAT...LON 3974 10424 3989 10429 3995 10391 3964 10385
      3937 10387 3935 10424 3963 10421
PARTITION...508005 608005
TIME...MOT...LOC 2008Z 268DEG 20KT 3979 10421 3963 10417 3935 10420

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

$$

Schlatter

305 
WWUS55 KBOU 192035
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
235 PM MDT Sat Sep 19 2026

COC001-005-039-192100-
/O.CON.KBOU.SV.W.0395.000000T0000Z-260919T2100Z/
Adams CO-Arapahoe CO-Elbert CO-
235 PM MDT Sat Sep 19 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT FOR
ELBERT, ADAMS AND CENTRAL ARAPAHOE AND EASTERN ARAPAHOE COUNTIES...

At 235 PM MDT, severe thunderstorms were located along a line from 8
miles south of Leader to 8 miles southwest of Agate, or along a line
from 34 miles south of Fort Morgan to 18 miles west of Limon, moving
east at 25 mph.

HAZARD...60 mph wind gusts and small hail.

SOURCE...Weather station reported a gust to 66 mph near Byers.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Deer Trail and Agate.

This includes Interstate 70 between mile markers 322 and 347.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. These storms have produced damaging winds.

&&

LAT...LON 3974 10413 3986 10414 3990 10391 3964 10385
      3937 10387 3935 10417 3953 10412
PARTITION...508005 608005
TIME...MOT...LOC 2008Z 268DEG 20KT 3979 10421 3963 10416 3935 10420

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

$$

Schlatter

036 
WWUS55 KBOU 192058
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
258 PM MDT Sat Sep 19 2026

COC001-005-039-192108-
/O.EXP.KBOU.SV.W.0395.000000T0000Z-260919T2100Z/
Adams CO-Arapahoe CO-Elbert CO-
258 PM MDT Sat Sep 19 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 3 PM MDT FOR ELBERT,
ADAMS AND CENTRAL ARAPAHOE AND EASTERN ARAPAHOE COUNTIES...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds 40-50 mph are still possible with these thunderstorms.

&&

LAT...LON 3974 10413 3986 10414 3990 10391 3964 10385
      3937 10387 3935 10417 3953 10412
PARTITION...508005 608005
TIME...MOT...LOC 2035Z 268DEG 20KT 3979 10402 3963 10397 3936 10401

$$

Schlatter