SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 292043
SPSBOU
Special Weather Statement
National Weather Service Denver CO
243 PM MDT Sun Aug 29 2021
COZ036-292115-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
243 PM MDT Sun Aug 29 2021
...A strong thunderstorm will impact portions of southwestern Douglas
and southwestern Jefferson Counties through 315 PM MDT...
At 243 PM MDT, Doppler radar was tracking a strong thunderstorm 5
miles southwest of Cheesman Reservoir, or 37 miles northwest of
Colorado Springs. This storm was nearly stationary.
HAZARD...Winds in excess of 40 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...
Cheesman Reservoir and Deckers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3915 10538 3916 10539 3920 10540 3921 10541
3923 10542 3921 10539 3918 10538 3924 10536
3926 10538 3925 10536 3927 10534 3928 10518
3913 10518 3913 10537
TIME...MOT...LOC 2043Z 268DEG 2KT 3916 10535
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
DANIELSON
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 270355
SPSBOU
Special Weather Statement
National Weather Service Denver CO
955 PM MDT Thu Aug 26 2021
COZ032>036-038>040-043-270445-
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-
Grand and Summit Counties Below 9000 Feet 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-
955 PM MDT Thu Aug 26 2021
...Strong thunderstorms will impact portions of western Weld,
Broomfield, Larimer, northern Gilpin, northeastern Grand, northern
Jefferson, northwestern Adams and Boulder Counties through 1045 PM
MDT...
At 954 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 5 miles west of Cherokee Park to 3 miles
northwest of Pinewood Springs to near Rollinsville, or along a line
extending from 27 miles south of Laramie to 23 miles southwest of
Fort Collins to 29 miles northwest of Denver. Movement was east at
40 mph.
HAZARD...Wind gusts of 50 to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Fort Collins, southwestern Greeley, Thornton, northern Arvada,
Westminster, Boulder, Longmont, Loveland, Broomfield, northwestern
Commerce City, Northglenn, Brighton, Lafayette, Windsor, Louisville,
Erie, Superior, Federal Heights, Firestone and Johnstown.
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 4099 10477 3984 10482 3987 10588 4099 10594
TIME...MOT...LOC 0354Z 281DEG 38KT 4091 10560 4032 10539 3990 10546
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
ENTREKIN
2 years, 8 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 192155
FLSBOU
Flood Advisory
National Weather Service Denver CO
355 PM MDT Thu Aug 19 2021
COC005-031-035-192300-
/O.NEW.KBOU.FA.Y.0195.210819T2155Z-210819T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Arapahoe CO-Denver CO-Douglas CO-
355 PM MDT Thu Aug 19 2021
The National Weather Service in Denver has issued a
* Urban and Small Stream Flood Advisory for...
Western Arapahoe County in northeastern Colorado...
South Central Denver County in northeastern Colorado...
Northeastern Douglas County in northeastern Colorado...
* Until 500 PM MDT.
* At 355 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream flooding.
Between 0.5 and 1 inch of rain has fallen.
* Minor flooding in low-lying and poor drainage areas.
* Some locations that will experience flooding include...
Southern Denver, Aurora, Centennial, Highlands Ranch, northeastern
Castle Rock, Parker, northeastern Littleton, eastern Englewood,
Greenwood Village, Lone Tree, Arapahoe Park, Buckley AFB, The
Pinery, Castle Pines, Louviers, Cherry Hills Village, Foxfield and
Cherry Creek Reservoir.
Additional rainfall amounts of 0.5 to 1 inch are expected over the
area. This additional rain will result in minor flooding.
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 3968 10497 3974 10476 3974 10475 3971 10450
3957 10459 3957 10461 3957 10466 3955 10466
3953 10466 3951 10466 3950 10466 3947 10466
3945 10466 3940 10482 3950 10504
$$
TH
2 years, 9 months
TORBOU
by EMWIN-Denver Regional
WFUS55 KBOU 192146
TORBOU
COC035-039-192200-
/O.NEW.KBOU.TO.W.0038.210819T2146Z-210819T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
346 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Northeastern Douglas County in northeastern Colorado...
Northwestern Elbert County in east central Colorado...
* Until 400 PM MDT.
* At 346 PM MDT, a severe thunderstorm capable of producing a tornado
was located near The Pinery, or 23 miles southeast of Denver,
moving east at 20 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornadic thunderstorm will remain over mainly rural areas of
northeastern Douglas and northwestern Elbert Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3940 10470 3954 10474 3957 10462 3957 10452
3943 10448
TIME...MOT...LOC 2146Z 254DEG 17KT 3946 10467
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
RPK
2 years, 9 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 192135
SVRBOU
COC035-039-192200-
/O.NEW.KBOU.SV.W.0132.210819T2135Z-210819T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
335 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Northeastern Douglas County in northeastern Colorado...
Northwestern Elbert County in east central Colorado...
* Until 400 PM MDT.
* At 334 PM MDT, a severe thunderstorm was located over The Pinery,
or 21 miles southeast of Denver, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees. Hail damage to
vehicles is expected.
* Locations impacted include...
Ponderosa Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3936 10478 3951 10484 3957 10469 3957 10460
3946 10457
TIME...MOT...LOC 2134Z 233DEG 16KT 3945 10476
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 9 months
TORBOU
by EMWIN-Denver Regional
WFUS55 KBOU 192112
TORBOU
COC035-192130-
/O.NEW.KBOU.TO.W.0037.210819T2112Z-210819T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
312 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Northeastern Douglas County in northeastern Colorado...
* Until 330 PM MDT.
* At 312 PM MDT, a severe thunderstorm capable of producing a tornado
was located over The Pinery, or 21 miles southeast of Denver,
moving northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Ponderosa Park around 325 PM MDT.
Parker around 330 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3955 10483 3957 10474 3957 10467 3950 10466
3941 10466 3938 10480
TIME...MOT...LOC 2112Z 216DEG 17KT 3945 10477
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
RPK
2 years, 9 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 192030
SVRBOU
COC035-192100-
/O.NEW.KBOU.SV.W.0129.210819T2030Z-210819T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
230 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Northeastern Douglas County in northeastern Colorado...
* Until 300 PM MDT.
* At 230 PM MDT, a severe thunderstorm was located over northern
Castle Rock, or 27 miles south of Denver, moving northeast at 20
mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees. Hail damage to
vehicles is expected.
* This severe thunderstorm will be near...
Castle Rock around 235 PM MDT.
Franktown around 250 PM MDT.
Other locations in the path of this severe thunderstorm include
southwestern Parker, The Pinery and Castle Pines.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3933 10502 3955 10488 3943 10466 3938 10466
3923 10487
TIME...MOT...LOC 2030Z 212DEG 18KT 3934 10489
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 9 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 192017
SPSBOU
Special Weather Statement
National Weather Service Denver CO
217 PM MDT Thu Aug 19 2021
COZ036-039-192045-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
217 PM MDT Thu Aug 19 2021
...A strong thunderstorm will impact portions of southwestern
Broomfield, northern Jefferson and southeastern Boulder Counties
through 245 PM MDT...
At 217 PM MDT, Doppler radar was tracking a strong thunderstorm near
Rocky Flats, or 16 miles northwest of Denver, moving northeast at 30
mph.
HAZARD...Winds in excess of 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Northern Lakewood, Arvada, Westminster, Boulder, western Broomfield,
western Wheat Ridge, Lafayette, northwestern Golden, Louisville,
Superior, Rocky Flats, Eldorado Springs and White Ranch Open Space.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
northeastern Colorado.
&&
LAT...LON 4000 10505 3992 10505 3974 10514 3981 10538
3992 10533 3992 10523 3993 10524 3993 10528
3997 10527 3997 10528 3998 10527 4000 10529
4006 10526
TIME...MOT...LOC 2017Z 204DEG 28KT 3985 10522
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
RPK
2 years, 9 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 192013
SPSBOU
Special Weather Statement
National Weather Service Denver CO
213 PM MDT Thu Aug 19 2021
COZ040-043-192030-
Central and South Weld County CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
213 PM MDT Thu Aug 19 2021
...A strong thunderstorm will impact portions of northwestern Adams
County through 230 PM MDT...
At 213 PM MDT, Doppler radar was tracking a strong thunderstorm near
Todd Creek, or 15 miles north of Denver, moving north at 30 mph.
HAZARD...Winds in excess of 40 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...
Thornton, northwestern Commerce City, Northglenn, Brighton, Barr Lake
and Todd Creek.
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 800 PM MDT for
northeastern Colorado.
&&
LAT...LON 3983 10480 3987 10500 4008 10490 4005 10473
TIME...MOT...LOC 2013Z 199DEG 26KT 3994 10489
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
RPK
2 years, 9 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 180031
SPSBOU
Special Weather Statement
National Weather Service Denver CO
631 PM MDT Tue Aug 17 2021
COZ040-041-045-046-180115-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County CO-Central and East Adams and Arapahoe Counties CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
631 PM MDT Tue Aug 17 2021
...A strong outflow winds across northeastern Douglas, northwestern
Elbert and central Arapahoe Counties...
Strong outflow winds from earlier showers and thunderstorms will
blow across northeastern Douglas, northwestern Elbert and central
Arapahoe Counties through 715 PM MDT. Wind speeds up to 55 mph are
expected.
HAZARD...Wind gusts up to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Southern Denver, southern Aurora, Centennial, Highlands Ranch, Castle
Rock, Parker, northeastern Littleton, southern Englewood, Elbert,
Greenwood Village, Lone Tree, Sheridan, Bennett, Elizabeth, Kiowa,
The Pinery, Arapahoe Park, Franktown, Strasburg and Ponderosa Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3934 10488 3964 10504 3974 10441 3971 10412
3939 10410 3913 10416 3914 10449
TIME...MOT...LOC 0026Z 240DEG 48KT 3963 10473
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
RJK
2 years, 9 months