Severe Thunderstorm Warning 330, NWS Denver/Boulder, CO

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Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1035 AM MDT Thu Aug 14 2025

COZ030>051-151645-
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-
1035 AM MDT Thu Aug 14 2025

...RED FLAG WARNING FOR THE MOUNTAINS, FOOTHILLS, AND HIGH
MOUNTAIN VALLEYS THROUGH THIS EVENING...

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

.DAY ONE...Today and Tonight

The potential for new wildfire starts will increase today, as some
thunderstorms will produce lightning but little if any rainfall.
Any passing showers or storms will also be capable of producing
sudden wind gusts to 40-50 mph or more. Temperatures will heat up
to the highest of the week, with highs expected to reach the
upper 90s across the plains and I-25 Corridor. A few spots will
reach 100F. Be sure to stay hydrated and take plenty of breaks in
the shade if working outdoors.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Somewhat higher storm coverage can be expected Friday and
Saturday, especially over the mountains. Drier weather is
expected to return again by Sunday and continue into early next
week, although there will be a slight chance of storms each
afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be required today or tonight.

Special Weather Statement
National Weather Service Denver CO
450 PM MDT Thu Aug 14 2025

COZ042>044-142330-
Northeast Weld County CO-Central and South Weld County CO-Morgan
County CO-
450 PM MDT Thu Aug 14 2025

...AN AREA OF THUNDERSTORMS WILL IMPACT NORTHWESTERN MORGAN AND
CENTRAL WELD COUNTIES UNTIL 530 PM MDT...

At 450 PM MDT, Doppler radar was tracking an area of thunderstorms
in northwest Morgan county and adjacent parts of Weld county,
between Wiggins, Stoneham, and Briggsdale, moving northeast at 10
mph.

HAZARD...Wind gusts up to 50 mph and pea 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...
  Wiggins, Jackson Reservoir, Goodrich, Weldona, Orchard, Riverside
  Reservoir, New Raymer, Briggsdale, Stoneham, Buckingham and
  Masters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.

&&

LAT...LON 4052 10435 4065 10436 4063 10365 4023 10387
      4024 10433
TIME...MOT...LOC 2248Z 204DEG 10KT 4027 10406

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Gimmestad