SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 212304
SPSBOU
Special Weather Statement
National Weather Service Denver CO
504 PM MDT Thu Sep 21 2023
COZ038-042-212330-
Northeast Weld County CO-
Larimer County Below 6000 Feet/Northwest Weld County CO-
504 PM MDT Thu Sep 21 2023
...A strong thunderstorm will impact portions of north central Weld
County through 530 PM MDT...
At 504 PM MDT, Doppler radar was tracking a strong thunderstorm near
Hereford, or 28 miles southeast of Cheyenne, moving east at 10 mph.
HAZARD...Winds in excess of 30 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...
Grover and Hereford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4085 10402 4082 10439 4100 10444 4100 10406
TIME...MOT...LOC 2304Z 263DEG 9KT 4092 10433
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
$$
MENSCH
7 months, 3 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 201859
SPSBOU
Special Weather Statement
National Weather Service Denver CO
1259 PM MDT Wed Sep 20 2023
COZ035-038-201945-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
Larimer County Below 6000 Feet/Northwest Weld County CO-
1259 PM MDT Wed Sep 20 2023
...A strong thunderstorm will impact portions of northeastern Larimer
County through 145 PM MDT...
At 1259 PM MDT, Doppler radar was tracking a strong thunderstorm 4
miles northwest of Livermore, or 21 miles northwest of Fort Collins,
moving east at 10 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Livermore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4078 10539 4088 10540 4096 10507 4076 10506
TIME...MOT...LOC 1859Z 268DEG 8KT 4083 10528
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
$$
MENSCH
7 months, 4 weeks
FFWBOU
by EMWIN-Denver Regional
WGUS55 KBOU 142111
FFWBOU
COC069-150015-
/O.NEW.KBOU.FF.W.0080.230914T2111Z-230915T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
311 PM MDT Thu Sep 14 2023
The National Weather Service in Denver has issued a
* Flash Flood Warning for...
East Central Larimer County in north central Colorado...
* Until 615 PM MDT.
* At 311 PM MDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. The
expected rainfall rate is 0.5 to 1.25 inches in 1 hour. Flash
flooding is ongoing or expected to begin shortly.
Excessive rainfall over the Cameron Peak burn scar may result in
debris flows moving through the Buckhorn Creek drainage. Debris
flows can consist of rock, mud, vegetation and other loose materials.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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...
southeastern portions of the Cameron Peak burn scar.
This includes the following additional locations...
Moondance Way, Stringtown Gulch, Big Bear and Lower Buckhorn on
County Road 27 above Masonville.
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 4059 10529 4053 10533 4053 10539 4052 10538
4050 10533 4047 10525 4049 10520 4052 10522
4058 10525
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...0.5-1.25 INCHES IN 1 HOUR
$$
Rodriguez
8 months
FFWBOU
by EMWIN-Denver Regional
WGUS55 KBOU 142045
FFWBOU
COC069-142345-
/O.NEW.KBOU.FF.W.0079.230914T2045Z-230914T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
245 PM MDT Thu Sep 14 2023
The National Weather Service in Denver has issued a
* Flash Flood Warning for...
Southeastern Larimer County in north central Colorado...
* Until 545 PM MDT.
* At 245 PM MDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or
expected to begin shortly.
Excessive rainfall over the burn scar may result in debris flows
moving through the Buckhorn Creek Drainage in and near the Cameron
Peak burn scar. Debris flows can consist of rock, mud, vegetation
and other loose materials.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Southeast portions of the Cameron Peak burn scar.
This includes the following additional locations...
Upper Buckhorn along County Road 44H and Crystal Mountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
Heavy Rainfall will cause flash flooding of small creeks, streams,
and ditches in the affected part of the Cameron Peak burn area. Rock
slides or debris flows can also be expected across rural roads.
&&
LAT...LON 4060 10545 4055 10546 4053 10541 4053 10533
4057 10529 4059 10529 4062 10538 4061 10543
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Rodriguez
8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050001
SPSBOU
Special Weather Statement
National Weather Service Denver CO
601 PM MDT Mon Sep 4 2023
COZ038-042-050030-
Northeast Weld County CO-
Larimer County Below 6000 Feet/Northwest Weld County CO-
601 PM MDT Mon Sep 4 2023
...A strong thunderstorm will impact portions of north central Weld
County through 630 PM MDT...
At 601 PM MDT, Doppler radar was tracking a strong thunderstorm over
Hereford, or 27 miles southeast of Cheyenne, 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...
Hereford.
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 4088 10413 4088 10445 4100 10441 4100 10413
TIME...MOT...LOC 0001Z 240DEG 17KT 4097 10432
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
RPK
8 months, 1 week
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 042121
SPSBOU
Special Weather Statement
National Weather Service Denver CO
321 PM MDT Mon Sep 4 2023
COZ030-033-035-042200-
Jackson County Below 9000 Feet CO-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
321 PM MDT Mon Sep 4 2023
...Strong winds will impact portions of southeastern Jackson and
western Larimer Counties through 400 PM MDT...
At 320 PM MDT, Doppler radar was tracking showers producing wind
gusts to 55 mph along a line extending from 7 miles west of Tie
Siding to 6 miles southeast of Rand, or along a line extending from
18 miles south of Laramie to 76 miles northwest of Denver. Movement
was east at 25 mph.
HAZARD...Wind gusts of 50 to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Trail Ridge, Kinikinik, Chambers Lake, Rand, Cameron Pass, Four
Corners, Red Feather Lakes, Gould, Rustic, Cherokee Park, and
Glendevey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
If outdoors, consider seeking shelter inside a building.
Persons in campgrounds and near lakes should consider seeking sturdy
shelter until these storms pass.
&&
LAT...LON 4100 10537 4041 10575 4040 10621 4100 10591
TIME...MOT...LOC 2120Z 267DEG 20KT 4104 10565 4041 10608
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
RPK
8 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 042045
SPSBOU
Special Weather Statement
National Weather Service Denver CO
245 PM MDT Mon Sep 4 2023
COZ030-032-033-035-042115-
Jackson County Below 9000 Feet CO-
Grand and Summit Counties Below 9000 Feet CO-
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-
245 PM MDT Mon Sep 4 2023
...Strong gusty winds with showers will impact portions of eastern
Jackson, northwestern Larimer and northwestern Grand Counties
through 315 PM MDT...
At 243 PM MDT, Doppler radar was tracking a line of showers
producing wind gusts up to 55 mph along a line extending from 8
miles south of Hutton Lake to 13 miles north of Parshall, or along a
line extending from 20 miles southwest of Laramie to 70 miles east
of Craig. Movement was east at 30 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...
Walden, Kinikinik, Chambers Lake, Rand, Cameron Pass, Four Corners,
Gould, Glendevey, and Red Feather Lakes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
Persons in campgrounds or near lakes should consider seeking sturdy
shelter until these storms pass.
&&
LAT...LON 4099 10549 4020 10601 4019 10653 4023 10655
4100 10615
TIME...MOT...LOC 2043Z 259DEG 26KT 4105 10578 4025 10626
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
RPK
8 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032103
SPSBOU
Special Weather Statement
National Weather Service Denver CO
303 PM MDT Sun Sep 3 2023
COZ035-039-032130-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
303 PM MDT Sun Sep 3 2023
...A strong thunderstorm will impact portions of central Boulder
County through 330 PM MDT...
At 303 PM MDT, Doppler radar was tracking a strong thunderstorm near
Pinecliffe, or 30 miles northwest of Denver, moving northeast at 25
mph.
HAZARD...Winds in excess of 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Boulder, Jamestown, Wallstreet, Salina, Crisman, Eldorado Springs,
Gold Hill, Sunshine, and Summerville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4020 10530 3994 10520 3992 10540 3994 10540
3993 10547 4002 10550 4003 10549 4004 10551
4005 10549 4006 10552 4006 10549 4008 10549
4008 10547 4010 10550
TIME...MOT...LOC 2103Z 235DEG 21KT 3998 10541
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
RPK
8 months, 2 weeks
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
$$
RPK
8 months, 2 weeks
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 031943
FLSBOU
Flood Advisory
National Weather Service Denver CO
143 PM MDT Sun Sep 3 2023
COC069-032245-
/O.NEW.KBOU.FA.Y.0163.230903T1943Z-230903T2245Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Larimer CO-
143 PM MDT Sun Sep 3 2023
...FLOOD ADVISORY IN EFFECT UNTIL 445 PM MDT THIS AFTERNOON...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...A portion of north central Colorado, including the
following county, Larimer. This includes the north central
portion of the Cameron Peak burn scar.
* WHEN...Until 445 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 143 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Up to
0.5 inches of rain have fallen.
- This includes the following streams and drainages...
Lone Pine Creek, Cache La Poudre River, Elkhorn Creek, South
Lone Pine Creek, Manhattan Creek, South Fork Cache La Poudre
River, Killpecker Creek, Dry Creek, Little Beaver Creek and
Bennett Creek.
Additional rainfall amounts up to 0.5 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Rustic and Red Feather Lakes.
- This includes the following additional locations...
Lower Pingree Park Road, Gulches along Highway 14 near and
above Rustic, Rising water and large debris in the Poudre
River, Pingree Hill, Goodell Corner, Bellaire Lake and Crown
Point Road.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Heavy Rainfall will cause minor flooding of creeks and streams,
roads and roadside culverts in the affected part of the Cameron Peak
burn area. The heavy rains could also trigger rock slides or debris
flows.
&&
LAT...LON 4078 10570 4079 10551 4064 10552 4063 10565
4074 10569
$$
RPK
8 months, 2 weeks