FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 032338
FLSBOU
Flood Advisory
National Weather Service Denver CO
538 PM MDT Sun Sep 3 2023
COC049-040130-
/O.NEW.KBOU.FA.Y.0165.230903T2338Z-230904T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grand CO-
538 PM MDT Sun Sep 3 2023
...FLOOD ADVISORY IN EFFECT UNTIL 730 PM MDT THIS EVENING...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...A portion of north central Colorado, including the
following county, Grand. This includes the East Troublesome burn
area.
* WHEN...Until 730 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 538 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Up to
0.4 inches of rain have fallen.
- This includes the following streams and drainages...
Trail Creek, Cabin Creek, Drowsy Water Creek, Gold Run,
Willow Creek and Buffalo Creek.
- Some locations that will experience flooding include...
mainly rural areas of Central Grand County
- This includes the following additional locations...
Middle Willow Creek Valley and Lower Willow Creek Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Heavy Rainfall will cause minor flooding of small creeks, streams,
and ditches in the East Troublesome burn area. The heavy rains could
also trigger rock slides or debris flows.
&&
LAT...LON 4029 10605 4028 10594 4019 10593 4015 10597
4016 10605 4024 10608 4029 10608
$$
RPK
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032257
SPSBOU
Special Weather Statement
National Weather Service Denver CO
457 PM MDT Sun Sep 3 2023
COZ039>041-032330-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
457 PM MDT Sun Sep 3 2023
...Strong thunderstorms will impact portions of north central
Douglas, western Arapahoe, Denver, east central Jefferson and
southwestern Adams Counties through 530 PM MDT...
At 456 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from Lakewood to Castle Pines, or along a line
extending from 7 miles west of Denver to 41 miles north of Colorado
Springs. Movement was northeast at 30 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Denver, southwestern Aurora, Lakewood, southern Thornton, Centennial,
Highlands Ranch, southwestern Commerce City, northwestern Parker,
Littleton, Englewood, southeastern Wheat Ridge, Greenwood Village,
Lone Tree, Sheridan, and Castle Pines.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3969 10515 3971 10514 3972 10517 3986 10491
3958 10468 3942 10492
TIME...MOT...LOC 2256Z 226DEG 25KT 3970 10509 3946 10489
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032230
SPSBOU
Special Weather Statement
National Weather Service Denver CO
430 PM MDT Sun Sep 3 2023
COZ036-032315-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
430 PM MDT Sun Sep 3 2023
...A strong thunderstorm will impact portions of central Douglas and
southeastern Jefferson Counties through 515 PM MDT...
At 430 PM MDT, Doppler radar was tracking a strong thunderstorm near
Devil's Head, or 30 miles south of Denver, moving northeast 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...
Roxborough Park, Sprucewood, South Platte, Perry Park, and Devil's
Head.
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.
&&
LAT...LON 3942 10529 3947 10510 3945 10507 3945 10505
3947 10504 3946 10503 3944 10502 3941 10496
3938 10495 3935 10497 3933 10497 3927 10495
3924 10495 3919 10514
TIME...MOT...LOC 2230Z 245DEG 21KT 3930 10510
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032153
SPSBOU
Special Weather Statement
National Weather Service Denver CO
353 PM MDT Sun Sep 3 2023
COZ043>045-032230-
Central and South Weld County CO-Morgan County CO-
Central and East Adams and Arapahoe Counties CO-
353 PM MDT Sun Sep 3 2023
...Strong thunderstorms will impact portions of south central Weld,
northeastern Arapahoe, southwestern Morgan and eastern Adams Counties
through 430 PM MDT...
At 353 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles northwest of Roggen to 6 miles
southeast of Byers, or along a line extending from 18 miles southeast
of Greeley to 35 miles northwest of Limon. Movement was east at 30
mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Prospect Valley, Hoyt, Riverside Reservoir, Leader, Byers, and
Roggen.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4038 10414 3967 10396 3962 10424 4029 10450
TIME...MOT...LOC 2153Z 252DEG 28KT 4028 10446 3963 10416
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032114
SPSBOU
Special Weather Statement
National Weather Service Denver CO
314 PM MDT Sun Sep 3 2023
COZ040-045-032145-
Central and East Adams and Arapahoe Counties CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
314 PM MDT Sun Sep 3 2023
...A strong thunderstorm will impact portions of north central
Arapahoe and south central Adams Counties through 345 PM MDT...
At 314 PM MDT, Doppler radar was tracking a strong thunderstorm over
Watkins, or 20 miles east of Denver, moving northeast at 20 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...
Northeastern Aurora, Bennett, Watkins, and Manila Village.
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 3966 10461 3980 10466 3988 10448 3971 10443
TIME...MOT...LOC 2114Z 235DEG 16KT 3974 10457
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
RPK
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032103
SPSBOU
Special Weather Statement
National Weather Service Denver CO
303 PM MDT Sun Sep 3 2023
COZ035-039-032130-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
303 PM MDT Sun Sep 3 2023
...A strong thunderstorm will impact portions of central Boulder
County through 330 PM MDT...
At 303 PM MDT, Doppler radar was tracking a strong thunderstorm near
Pinecliffe, or 30 miles northwest of Denver, moving northeast at 25
mph.
HAZARD...Winds in excess of 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Boulder, Jamestown, Wallstreet, Salina, Crisman, Eldorado Springs,
Gold Hill, Sunshine, and Summerville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4020 10530 3994 10520 3992 10540 3994 10540
3993 10547 4002 10550 4003 10549 4004 10551
4005 10549 4006 10552 4006 10549 4008 10549
4008 10547 4010 10550
TIME...MOT...LOC 2103Z 235DEG 21KT 3998 10541
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
RPK
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032037
SPSBOU
Special Weather Statement
National Weather Service Denver CO
237 PM MDT Sun Sep 3 2023
COZ040-041-032115-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
237 PM MDT Sun Sep 3 2023
...A strong thunderstorm will impact portions of northeastern Douglas
and western Arapahoe Counties through 315 PM MDT...
At 237 PM MDT, Doppler radar was tracking a strong thunderstorm 4
miles south of Arapahoe Park, or 17 miles southeast of Denver, moving
northeast at 30 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Aurora, eastern Centennial, northeastern Parker, Arapahoe Park, and
Watkins.
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.
&&
LAT...LON 3961 10481 3977 10460 3964 10449 3960 10449
3959 10450 3959 10449 3956 10448 3956 10449
3945 10470
TIME...MOT...LOC 2037Z 226DEG 27KT 3957 10470
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 6 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 032023
FLSBOU
Flood Advisory
National Weather Service Denver CO
223 PM MDT Sun Sep 3 2023
COC059-032145-
/O.NEW.KBOU.FA.Y.0164.230903T2023Z-230903T2145Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson CO-
223 PM MDT Sun Sep 3 2023
...FLOOD ADVISORY IN EFFECT UNTIL 345 PM MDT THIS AFTERNOON...
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...A portion of northeast Colorado, including the following
county, Jefferson.
* WHEN...Until 345 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 223 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream
flooding. Between 1 and 1.5 inches of rain have fallen.
- This includes the following streams and drainages...
Bear Creek, Plum Creek, Deer Creek and Dutch Creek.
- Some locations that will experience flooding include...
Southwestern Denver, southeastern Lakewood, western
Littleton, Chatfield Reservoir, Ken Caryl and Columbine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause minor flooding of
small creeks and streams, highways, streets, underpasses, drainage
areas and other low lying spots.
&&
LAT...LON 3957 10516 3965 10510 3964 10508 3964 10507
3963 10508 3964 10509 3963 10511 3962 10511
3962 10509 3963 10509 3962 10508 3962 10507
3961 10510 3961 10506 3962 10505 3956 10506
3953 10508 3953 10514
$$
RPK
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032003
SPSBOU
Special Weather Statement
National Weather Service Denver CO
203 PM MDT Sun Sep 3 2023
COZ040-041-032030-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
203 PM MDT Sun Sep 3 2023
...Strong thunderstorms will impact portions of eastern Douglas,
northwestern Elbert, western Arapahoe and southwestern Denver
Counties through 230 PM MDT...
At 203 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from Denver to 5 miles east of Greenland, or along a
line extending from 54 miles south of Greeley to 22 miles north of
Colorado Springs. Movement was northeast 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...
Denver, southwestern Aurora, Centennial, Highlands Ranch, Castle
Rock, Parker, Littleton, Englewood, Greenwood Village, Lone Tree,
Sheridan, Elizabeth, The Pinery, Arapahoe Park, Franktown, Ponderosa
Park, Castle Pines, Buckley SFB, and Sedalia.
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 3967 10508 3967 10505 3968 10506 3978 10475
3928 10444 3913 10477
TIME...MOT...LOC 2003Z 225DEG 29KT 3967 10505 3919 10474
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
$$
RPK
2 years, 6 months
FFWBOU
by EMWIN-Denver Regional
WGUS55 KBOU 031956
FFWBOU
COC069-032300-
/O.NEW.KBOU.FF.W.0078.230903T1956Z-230903T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
156 PM MDT Sun Sep 3 2023
The National Weather Service in Denver has issued a
* Flash Flood Warning for...
Central Larimer County in north central Colorado...
* Until 500 PM MDT.
* At 156 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1 inch of rain
has fallen. Additional rainfall amounts up to 0.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
Excessive rainfall over the burn scar will result in debris flow
moving through the north central portions of the Cameron Peak burn
scar. The debris flow can consist of rock, mud, vegetation and other
loose materials.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Rustic and Red Feather Lakes.
This includes the following additional locations...
Lower Pingree Park Road, Gulches along Highway 14 near and above
Rustic, Rising water and large debris in the Poudre River, Pingree
Hill, Goodell Corner, Bellaire Lake and Crown Point Road.
This includes the following streams and drainages...
Peterson Creek, Lone Pine Creek, Cache La Poudre River, Elkhorn
Creek, South Lone Pine Creek, Manhattan Creek, South Fork Cache La
Poudre River, Killpecker Creek, Dry Creek, Little Beaver Creek and
Bennett Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
Heavy Rainfall will cause flash flooding of small creeks, streams,
and ditches in the affected part of the Cameron Peak burn area. Rock
slides or debris flows can also be expected across rural roads.
&&
LAT...LON 4078 10570 4079 10551 4064 10552 4063 10565
4072 10569
FLASH FLOOD...RADAR INDICATED
$$
RPK
2 years, 6 months