SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050054
SPSBOU
Special Weather Statement
National Weather Service Denver CO
654 PM MDT Tue Jul 4 2023
COZ033>035-038-039-050130-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
Larimer County Below 6000 Feet/Northwest Weld County CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
654 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of southeastern Larimer,
northwestern Gilpin, east central Grand and Boulder Counties through
730 PM MDT...
At 654 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles east of Estes Park to near Rollins
Pass, or along a line extending from 24 miles southwest of Fort
Collins to 40 miles west of Denver. Movement was east at 35 mph.
HAZARD...Wind gusts up to 50 mph and half inch 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...
Boulder, Estes Park, Lyons, Nederland, Bear Lake, Jamestown, Ward,
Raymond, Brainard Lake, Crisman, Eldorado Springs, Pinewood Springs,
Gold Hill, Sunshine, Meeker Park, Rollins Pass, Eldora, Arapahoe
Peak, Allenspark and Longs Peak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
central, north central and northeastern Colorado.
&&
LAT...LON 4038 10514 3991 10522 3991 10539 3994 10540
3993 10542 3994 10544 3993 10553 3992 10553
3991 10557 3991 10572 4010 10572 4011 10571
4011 10572 4039 10571
TIME...MOT...LOC 0054Z 272DEG 31KT 4036 10546 3992 10566
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050038
SPSBOU
Special Weather Statement
National Weather Service Denver CO
638 PM MDT Tue Jul 4 2023
COZ034-036-037-050115-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-Central and Southeast Park County CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
638 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of northeastern Park and
southwestern Jefferson Counties through 715 PM MDT...
At 638 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles north of Highland Park to 4 miles south
of Tarryall Reservoir, or along a line extending from 34 miles west
of Denver to 48 miles northwest of Colorado Springs. Movement was
east at 35 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Grant, Highland Park, Tarryall Reservoir, Buffalo Creek, Wellington
Lake, Conifer, Pine Grove, Shawnee, Aspen Park, Pine Junction, Bailey
and Harris Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
central and northeastern Colorado.
&&
LAT...LON 3911 10580 3957 10571 3958 10522 3913 10532
3912 10533 3911 10533
TIME...MOT...LOC 0038Z 263DEG 32KT 3954 10555 3916 10557
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050021
SPSBOU
Special Weather Statement
National Weather Service Denver CO
621 PM MDT Tue Jul 4 2023
COZ032>034-050100-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-Grand and Summit Counties Below 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
621 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of southeastern Jackson
and central Grand Counties through 700 PM MDT...
At 621 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles south of Rand to 9 miles southeast of
Williams Fork Reservoir, or along a line extending from 60 miles west
of Fort Collins to 63 miles west of Denver. Movement was east at 35
mph.
HAZARD...Wind gusts of 50 to 55 mph and half inch 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...
Granby, Fraser, Winter Park, Hot Sulphur Springs, Grand Lake,
Parshall, Tabernash, Elkdale, Hot Sulphur Spring and Williams Fork
Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4040 10628 4040 10615 4041 10585 3991 10576
3990 10623
TIME...MOT...LOC 0021Z 283DEG 31KT 4034 10618 3992 10611
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 042319
SPSBOU
Special Weather Statement
National Weather Service Denver CO
519 PM MDT Tue Jul 4 2023
COZ035-038-039-042345-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
Larimer County Below 6000 Feet/Northwest Weld County CO-
519 PM MDT Tue Jul 4 2023
...A strong thunderstorm will impact portions of southeastern Larimer
and northeastern Boulder Counties through 545 PM MDT...
At 519 PM MDT, Doppler radar was tracking a strong thunderstorm near
Pinewood Springs, or 22 miles southwest of Fort Collins, moving east
at 35 mph.
HAZARD...Winds in excess of 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Loveland, Berthoud, Lyons, Carter Lake, Pinewood Springs, Cedar Cove
and Drake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
north central and northeastern Colorado.
&&
LAT...LON 4035 10502 4035 10506 4024 10506 4023 10547
4030 10547 4030 10546 4032 10546 4033 10548
4043 10548 4045 10502
TIME...MOT...LOC 2319Z 268DEG 31KT 4033 10537
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 042205
SPSBOU
Special Weather Statement
National Weather Service Denver CO
405 PM MDT Tue Jul 4 2023
COZ030-033-042230-
Jackson County Below 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
405 PM MDT Tue Jul 4 2023
...A strong thunderstorm will impact portions of southeastern Jackson
and northeastern Grand Counties through 430 PM MDT...
At 405 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles southeast of Rand, or 53 miles west of Fort Collins, moving
east at 30 mph.
HAZARD...Wind gusts of 50 to 55 mph and half inch 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...
Cameron Pass and Rand.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
north central Colorado.
&&
LAT...LON 4056 10585 4036 10578 4034 10585 4035 10586
4034 10587 4029 10608 4031 10605 4032 10607
4028 10609 4027 10615 4029 10615 4029 10616
4047 10622
TIME...MOT...LOC 2205Z 249DEG 27KT 4038 10606
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 042021
SPSBOU
Special Weather Statement
National Weather Service Denver CO
221 PM MDT Tue Jul 4 2023
COZ033>036-038>040-043-042045-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-Central and South Weld County CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
Larimer County Below 6000 Feet/Northwest Weld County CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
221 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of southwestern Weld,
Broomfield, southeastern Larimer, Gilpin, northern Jefferson,
northwestern Adams and Boulder Counties through 245 PM MDT...
At 221 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles southeast of Buckhorn Mountain to near
Idledale, or along a line extending from 10 miles west of Fort
Collins to 16 miles west of Denver. Movement was east at 35 mph.
HAZARD...Winds in excess of 40 mph and half inch 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...
Southern Fort Collins, Thornton, Arvada, Westminster, Boulder,
Longmont, Loveland, Broomfield, northwestern Commerce City,
Northglenn, Lafayette, Windsor, Louisville, Erie, Superior, Federal
Heights, Firestone, Johnstown, Frederick and Estes Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
central, north central and northeastern Colorado.
&&
LAT...LON 4054 10486 3981 10487 3981 10565 4055 10567
TIME...MOT...LOC 2021Z 257DEG 31KT 4059 10527 3969 10526
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
RPK
2 years, 8 months
WCNBOU
by EMWIN-Denver Regional
WWUS65 KBOU 042005
WCNBOU
WATCH COUNTY NOTIFICATION FOR WATCH 444
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
205 PM MDT TUE JUL 4 2023
COC001-005-013-014-019-031-035-039-047-059-069-073-075-087-095-
115-121-123-050500-
/O.NEW.KBOU.SV.A.0444.230704T2005Z-230705T0500Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
444 IN EFFECT UNTIL 11 PM MDT THIS EVENING FOR THE FOLLOWING
AREAS
IN COLORADO THIS WATCH INCLUDES 18 COUNTIES
IN CENTRAL COLORADO
CLEAR CREEK GILPIN
IN EAST CENTRAL COLORADO
ELBERT LINCOLN
IN NORTH CENTRAL COLORADO
LARIMER
IN NORTHEAST COLORADO
ADAMS ARAPAHOE BOULDER
BROOMFIELD DENVER DOUGLAS
JEFFERSON LOGAN MORGAN
PHILLIPS SEDGWICK WASHINGTON
WELD
THIS INCLUDES THE CITIES OF AKRON, ARVADA, AURORA, BOULDER,
BROOMFIELD, CASTLE ROCK, CENTENNIAL, CENTRAL CITY, DENVER,
DENVER INTERNATIONAL AIRPORT, ELIZABETH, FORT COLLINS,
FORT MORGAN, GEORGETOWN, GREELEY, HOLYOKE, IDAHO SPRINGS,
JULESBURG, KIOWA, LAKEWOOD, LIMON, LONGMONT, LOVELAND, PARKER,
STERLING, THORNTON, WESTMINSTER, AND WINDSOR.
$$
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 041943
SPSBOU
Special Weather Statement
National Weather Service Denver CO
143 PM MDT Tue Jul 4 2023
COZ032>036-042015-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-Grand and Summit Counties Below 9000 Feet CO-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
143 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of south central
Larimer, Gilpin, eastern Grand, northwestern Clear Creek and western
Boulder Counties through 215 PM MDT...
At 142 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles northwest of Bear Lake to near Berthoud
Pass, or along a line extending from 36 miles west of Fort Collins to
42 miles west of Denver. Movement was east at 40 mph.
HAZARD...Wind gusts up to 50 mph and half inch 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...
Estes Park, Nederland, Fraser, Bear Lake, Winter Park, Central City,
Grand Lake, Jamestown, Ward, Black Hawk, Raymond, Berthoud Pass,
Brainard Lake, Tolland, Gold Hill, Tabernash, Meeker Park, Rollins
Pass, Eldora and Rollinsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4042 10537 3981 10542 3979 10586 4039 10584
TIME...MOT...LOC 1942Z 262DEG 36KT 4035 10571 3982 10575
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 041936
SPSBOU
Special Weather Statement
National Weather Service Denver CO
136 PM MDT Tue Jul 4 2023
COZ035-038-042000-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
Larimer County Below 6000 Feet/Northwest Weld County CO-
136 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of northwestern Weld and
northeastern Larimer Counties through 200 PM MDT...
At 136 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles west of Natural Fort to 5 miles
southeast of Livermore, or along a line extending from 16 miles
southwest of Cheyenne to 13 miles north of Fort Collins. Movement was
east at 40 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...
Wellington, Nunn, Carr, Livermore, Teds Place, Rockport and Natural
Fort.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4100 10466 4065 10477 4066 10527 4100 10520
TIME...MOT...LOC 1936Z 271DEG 33KT 4098 10501 4074 10515
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 041911
SPSBOU
Special Weather Statement
National Weather Service Denver CO
111 PM MDT Tue Jul 4 2023
COZ035-041945-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
111 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of north central Larimer
County through 145 PM MDT...
At 111 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles south of Pumpkin Vine to 4 miles east
of Rustic, or along a line extending from 21 miles south of Laramie
to 25 miles northwest of Fort Collins. Movement was east at 30 mph.
HAZARD...Wind gusts of 50 to 55 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Virginia Dale, Cherokee Park and Red Feather Lakes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4083 10525 4083 10526 4082 10528 4081 10528
4079 10526 4079 10528 4078 10528 4078 10526
4070 10527 4070 10560 4100 10558 4100 10523
TIME...MOT...LOC 1911Z 268DEG 25KT 4100 10548 4071 10550
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
$$
RPK
2 years, 8 months