SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 071944
SPSBOU
Special Weather Statement
National Weather Service Denver CO
144 PM MDT Fri Jul 7 2023
COZ033-035-072015-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
144 PM MDT Fri Jul 7 2023
...A strong thunderstorm will impact portions of central Larimer
County through 215 PM MDT...
At 144 PM MDT, Doppler radar was tracking a strong thunderstorm near
Glen Haven, or 20 miles west of Fort Collins, moving northeast at 20
mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Locations impacted include...
Stove Prairie, Pennock Pass, Glen Haven, Buckhorn Mountain and
Pingree Park.
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.
&&
LAT...LON 4069 10526 4053 10517 4052 10520 4055 10522
4054 10523 4050 10521 4052 10524 4053 10527
4048 10525 4042 10548 4058 10560 4069 10531
4068 10530 4070 10528
TIME...MOT...LOC 1944Z 239DEG 17KT 4050 10544
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
$$
RPK
1 year, 3 months
WCNBOU
by EMWIN-Denver Regional
WWUS65 KBOU 062051
WCNBOU
WATCH COUNTY NOTIFICATION FOR WATCH 454
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
251 PM MDT THU JUL 6 2023
COC001-005-013-014-031-035-039-059-069-073-075-087-121-123-070400-
/O.NEW.KBOU.SV.A.0454.230706T2051Z-230707T0400Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
454 IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR THE FOLLOWING
AREAS
IN COLORADO THIS WATCH INCLUDES 14 COUNTIES
IN EAST CENTRAL COLORADO
ELBERT LINCOLN
IN NORTH CENTRAL COLORADO
LARIMER
IN NORTHEAST COLORADO
ADAMS ARAPAHOE BOULDER
BROOMFIELD DENVER DOUGLAS
JEFFERSON LOGAN MORGAN
WASHINGTON WELD
THIS INCLUDES THE CITIES OF AKRON, ARVADA, AURORA, BOULDER,
BROOMFIELD, CASTLE ROCK, CENTENNIAL, DENVER,
DENVER INTERNATIONAL AIRPORT, ELIZABETH, FORT COLLINS,
FORT MORGAN, GREELEY, KIOWA, LAKEWOOD, LIMON, LONGMONT, LOVELAND,
PARKER, STERLING, THORNTON, WESTMINSTER, AND WINDSOR.
$$
1 year, 3 months
NPWBOU
by EMWIN-Denver Regional
WWUS75 KBOU 060336
NPWBOU
URGENT - WEATHER MESSAGE
National Weather Service Denver CO
936 PM MDT Wed Jul 5 2023
COZ038>040-042-043-061500-
/O.NEW.KBOU.FG.Y.0004.230706T0400Z-230706T1500Z/
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-Northeast Weld County-Central and
South Weld County-
Including the cities of Loveland, Golden, Longmont, Stoneham,
Grover, Parker, Roggen, Littleton, Highlands Ranch, Eaton,
Boulder, Fort Lupton, Lakewood, Briggsdale, Fort Collins, City of
Denver, Greeley, Pawnee Buttes, Hereford, Nunn, Raymer, Arvada,
Brighton, Denver International Airport, and Aurora
936 PM MDT Wed Jul 5 2023
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT THURSDAY...
* WHAT...Visibility as low as one quarter mile in dense fog.
* WHERE...Fort Collins, Boulder and the western suburbs of Denver,
Denver, Briggsdale, and Greeley.
* WHEN...Until 9 AM MDT Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Hiris
1 year, 3 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 060231
SPSBOU
Special Weather Statement
National Weather Service Denver CO
831 PM MDT Wed Jul 5 2023
COZ030-032-033-060315-
Jackson County Below 9000 Feet CO-
Grand and Summit Counties Below 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
831 PM MDT Wed Jul 5 2023
...A strong thunderstorm will impact portions of southeastern Jackson
and north central Grand Counties through 915 PM MDT...
At 830 PM MDT, Doppler radar was tracking a strong thunderstorm 5
miles southeast of Coalmont, or 60 miles east of Craig, moving
southeast at 30 mph.
HAZARD...Winds in excess of 30 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Coalmont and Rand.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4045 10654 4061 10643 4041 10580 4015 10600
TIME...MOT...LOC 0230Z 297DEG 28KT 4050 10639
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH
$$
HIRIS
1 year, 3 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 052145
SPSBOU
Special Weather Statement
National Weather Service Denver CO
345 PM MDT Wed Jul 5 2023
COZ032-034-052215-
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-
345 PM MDT Wed Jul 5 2023
...A strong thunderstorm will impact portions of east central Grand
County through 415 PM MDT...
At 345 PM MDT, Doppler radar was tracking a strong thunderstorm 6
miles west of Elkdale, or 58 miles west of Denver, moving east at 25
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...
Granby, Fraser, Winter Park, Tabernash and Elkdale.
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.
&&
LAT...LON 3993 10605 4008 10604 4007 10577 3992 10578
TIME...MOT...LOC 2145Z 273DEG 21KT 3999 10599
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
$$
RPK
1 year, 3 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 051959
SPSBOU
Special Weather Statement
National Weather Service Denver CO
159 PM MDT Wed Jul 5 2023
COZ034-036-052030-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
159 PM MDT Wed Jul 5 2023
...Strong thunderstorms will impact portions of southwestern Douglas,
east central Park and southwestern Jefferson Counties through 230 PM
MDT...
At 159 PM MDT, Doppler radar was tracking strong thunderstorms
capable of producing a landspout tornado along a line extending from
6 miles south of Shawnee to near Westcreek, or along a line extending
from 86 miles southwest of Greeley to 28 miles northwest of Colorado
Springs. Movement was east at 20 mph.
HAZARD...Landspouts possible, wind gusts up to 50 mph, and nickel
size hail.
SOURCE...Radar indicated.
IMPACT...Landspout tornadoes can damage mobile homes, roofs,
vehicles, and trees. Outdoor objects may be tossed about.
Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Buffalo Creek, Devil's Head, Wellington Lake, Pine Grove, Cheesman
Reservoir, Deckers and Perry Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
If a tornado is spotted seek shelter inside a sturdy building.
&&
LAT...LON 3916 10546 3918 10546 3918 10549 3928 10568
3946 10529 3925 10499 3913 10522 3913 10537
3912 10538
TIME...MOT...LOC 1959Z 284DEG 19KT 3933 10554 3917 10512
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH
$$
RPK
1 year, 3 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 051853
SPSBOU
Special Weather Statement
National Weather Service Denver CO
1253 PM MDT Wed Jul 5 2023
COZ034-036-051930-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
1253 PM MDT Wed Jul 5 2023
...A strong thunderstorm will impact portions of northeastern Park
and southwestern Jefferson Counties through 130 PM MDT...
At 1252 PM MDT, Doppler radar was tracking a strong thunderstorm
capable of producing a landspout tornado 6 miles northeast of
Tarryall Reservoir, or 43 miles southwest of Denver, moving southeast
at 25 mph.
HAZARD...Landspouts possible, wind gusts up to 50 mph, and nickel
size hail.
SOURCE...Radar indicated.
IMPACT...Landspout tornadoes can damage mobile homes, roofs,
vehicles, and trees. Outdoor objects may be tossed about.
Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Bailey and Wellington Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
If a tornado is spotted seek shelter inside a sturdy building.
&&
LAT...LON 3918 10549 3918 10552 3919 10553 3921 10557
3934 10569 3943 10542 3924 10526 3917 10548
TIME...MOT...LOC 1852Z 298DEG 20KT 3930 10554
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH
$$
RPK
1 year, 3 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050411
SPSBOU
Special Weather Statement
National Weather Service Denver CO
1011 PM MDT Tue Jul 4 2023
COZ036-039-040-050500-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
1011 PM MDT Tue Jul 4 2023
...A strong thunderstorm will impact portions of northwestern
Arapahoe, Denver, northern Jefferson and southwestern Adams Counties
through 1100 PM MDT...
At 1010 PM MDT, Doppler radar was tracking a strong thunderstorm over
southwestern Lakewood, or 12 miles west of Denver, moving east at 35
mph.
HAZARD...Half inch hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Locations impacted include...
Denver, western Aurora, Lakewood, southern Thornton, southeastern
Arvada, southern Westminster, northern Centennial, western Commerce
City, northeastern Littleton, eastern Northglenn, Englewood, Wheat
Ridge, southeastern Golden, Greenwood Village, Evergreen, Federal
Heights, Sheridan, Morrison, Idledale and Tiny Town.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
northeastern Colorado.
&&
LAT...LON 3957 10526 3963 10535 3994 10488 3964 10467
TIME...MOT...LOC 0410Z 249DEG 29KT 3967 10517
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH
$$
HIRIS
1 year, 3 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 050203
FLSBOU
Flood Advisory
National Weather Service Denver CO
803 PM MDT Tue Jul 4 2023
COC001-013-014-031-059-050330-
/O.NEW.KBOU.FA.Y.0110.230705T0203Z-230705T0330Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams CO-Boulder CO-Broomfield CO-Denver CO-Jefferson CO-
803 PM MDT Tue Jul 4 2023
...FLOOD ADVISORY IN EFFECT UNTIL 930 PM MDT THIS EVENING...
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...A portion of northeast Colorado, including the following
counties, Adams, Boulder, Broomfield, Denver and Jefferson.
* WHEN...Until 930 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban areas is occurring or is imminent.
* ADDITIONAL DETAILS...
- At 803 PM MDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. This will cause
urban and small stream flooding. Between 0.5 and 1 inch of
rain has fallen.
- Additional rainfall amounts up to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Northern Denver, northwestern Aurora, northeastern Lakewood,
Thornton, southeastern Arvada, Westminster, Broomfield,
Commerce City, Northglenn, Brighton, Wheat Ridge, Lafayette,
Louisville, Erie, Federal Heights, southwestern Denver
International Airport, Todd Creek, Barr Lake, Edgewater and
Mountain View.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause minor flooding of
small creeks and streams, highways, streets, underpasses, drainage
areas and other low lying spots.
&&
LAT...LON 4005 10521 4010 10508 4009 10506 4000 10506
4001 10499 4002 10500 4003 10497 4004 10498
4004 10496 4000 10496 4000 10476 3974 10474
3974 10488 3973 10488 3972 10487 3971 10514
3977 10515 3991 10511
$$
Hiris
1 year, 3 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050150
SPSBOU
Special Weather Statement
National Weather Service Denver CO
750 PM MDT Tue Jul 4 2023
COZ039-040-043-050215-
Central and South Weld County CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
750 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of southwestern Weld,
western Arapahoe, Broomfield, Denver, northeastern Jefferson, western
Adams and eastern Boulder Counties through 815 PM MDT...
At 750 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Mead to Denver, or along a line extending
from 20 miles southwest of Greeley to 55 miles north of Colorado
Springs. Movement was east at 30 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Denver, western Aurora, Lakewood, Thornton, Arvada, Westminster,
northern Centennial, Longmont, Broomfield, Commerce City,
northeastern Littleton, Northglenn, Brighton, Englewood, Wheat Ridge,
Lafayette, eastern Golden, Louisville, Erie and Greenwood Village.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
central and northeastern Colorado.
&&
LAT...LON 3962 10471 3961 10473 3959 10474 3960 10515
3963 10516 3965 10519 3967 10519 3968 10515
3969 10514 3972 10515 3973 10520 4024 10512
4024 10463
TIME...MOT...LOC 0150Z 279DEG 27KT 4020 10501 3963 10509
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
$$
RPK
1 year, 3 months