SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 282228
SPSBOU
Special Weather Statement
National Weather Service Denver CO
428 PM MDT Mon Aug 28 2023
COZ042-282300-
Northeast Weld County CO-
428 PM MDT Mon Aug 28 2023
...A strong thunderstorm will impact portions of north central Weld
County through 500 PM MDT...
At 428 PM MDT, Doppler radar was tracking a strong thunderstorm near
Panorama Point, or 22 miles southwest of Kimball, moving southeast at
20 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...
Pawnee Buttes.
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 4093 10371 4079 10402 4100 10414 4100 10380
TIME...MOT...LOC 2228Z 328DEG 16KT 4106 10403
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
$$
HEAVENER
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 282219
SPSBOU
Special Weather Statement
National Weather Service Denver CO
419 PM MDT Mon Aug 28 2023
COZ038-282245-
Larimer County Below 6000 Feet/Northwest Weld County CO-
419 PM MDT Mon Aug 28 2023
...A strong thunderstorm will impact portions of east central Larimer
County through 445 PM MDT...
At 419 PM MDT, Doppler radar was tracking a strong thunderstorm near
Fort Collins, moving southeast at 20 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Fort Collins, northeastern Loveland, Windsor, and Timnath.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4056 10494 4047 10494 4043 10509 4064 10517
4068 10507
TIME...MOT...LOC 2219Z 328DEG 16KT 4060 10509
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
$$
HEAVENER
2 years, 6 months
FFWBOU
by EMWIN-Denver Regional
WGUS55 KBOU 282135
FFWBOU
COC069-290030-
/O.NEW.KBOU.FF.W.0077.230828T2135Z-230829T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
335 PM MDT Mon Aug 28 2023
The National Weather Service in Denver has issued a
* Flash Flood Warning for...
South Central Larimer County in north central Colorado...
* Until 630 PM MDT.
* At 335 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 1.2 inches of
rain have fallen. The expected rainfall rate is 1.25 to 1.5 inches
in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, gulches,
roads, and poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Estes Park and Glen Haven.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
&&
LAT...LON 4048 10556 4044 10559 4040 10556 4038 10549
4039 10542 4043 10540 4046 10545
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.25-1.5 INCHES IN 1 HOUR
$$
HEAVENER
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 282108
SPSBOU
Special Weather Statement
National Weather Service Denver CO
308 PM MDT Mon Aug 28 2023
COZ033-035-282145-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
308 PM MDT Mon Aug 28 2023
...A strong thunderstorm will impact portions of south central
Larimer County through 345 PM MDT...
At 308 PM MDT, Doppler radar was tracking a strong thunderstorm 4
miles west of Glen Haven, or 26 miles west of Fort Collins, moving
southeast at 20 mph.
HAZARD...Winds in excess of 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Estes Park, Glen Haven, and Drake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4044 10564 4053 10556 4042 10530 4031 10544
4038 10557
TIME...MOT...LOC 2108Z 304DEG 17KT 4045 10554
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
HEAVENER
2 years, 6 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 282041
FLSBOU
Flood Advisory
National Weather Service Denver CO
241 PM MDT Mon Aug 28 2023
COC013-282345-
/O.NEW.KBOU.FA.Y.0161.230828T2041Z-230828T2345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boulder CO-
241 PM MDT Mon Aug 28 2023
...FLOOD ADVISORY IN EFFECT UNTIL 545 PM MDT THIS AFTERNOON...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...A portion of northeast Colorado, including the following
county, Boulder.
* WHEN...Until 545 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 241 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Between
0.7 and 1 inch of rain has fallen.
- Additional rainfall amounts of 0.3 to 0.6 inches are
expected over the area. This additional rain will result in
minor flooding.
- Some locations that will experience flooding include...
Raymond, Allenspark, Meeker Park and Riverside.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4026 10549 4026 10545 4023 10538 4016 10539
4015 10547 4016 10555 4024 10555 4026 10554
$$
HEAVENER
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 282022
SPSBOU
Special Weather Statement
National Weather Service Denver CO
222 PM MDT Mon Aug 28 2023
COZ035-039-282100-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
222 PM MDT Mon Aug 28 2023
...A strong thunderstorm will impact portions of northeastern Boulder
County through 300 PM MDT...
At 222 PM MDT, Doppler radar was tracking a strong thunderstorm over
Allenspark, or 33 miles southwest of Fort Collins, moving southeast
at 10 mph.
HAZARD...Winds in excess of 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Jamestown, Raymond, Allenspark, Gold Hill, Sunshine, Summerville,
Peaceful Valley, and Wallstreet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4018 10520 4001 10543 4007 10547 4008 10547
4014 10551 4015 10550 4016 10550 4018 10549
4018 10551 4017 10553 4019 10554 4021 10556
4025 10547
TIME...MOT...LOC 2022Z 311DEG 8KT 4019 10548
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
HEAVENER
2 years, 6 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 282017
FLSBOU
Flood Advisory
National Weather Service Denver CO
217 PM MDT Mon Aug 28 2023
COC069-282315-
/O.NEW.KBOU.FA.Y.0160.230828T2017Z-230828T2315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Larimer CO-
217 PM MDT Mon Aug 28 2023
...FLOOD ADVISORY IN EFFECT UNTIL 515 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.
* WHEN...Until 515 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 217 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Between
0.5 and 1 inch of rain has fallen.
- Additional rainfall amounts of 0.3 to 0.6 inches are
expected over the area. This additional rain will result in
minor flooding.
- Some locations that will experience flooding include...
mainly rural areas of Northwestern Larimer County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4065 10551 4065 10545 4069 10544 4071 10550
4071 10553 4071 10557 4069 10558 4068 10555
4067 10554 4067 10551 4067 10550
$$
HEAVENER
2 years, 6 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 281934
SPSBOU
Special Weather Statement
National Weather Service Denver CO
134 PM MDT Mon Aug 28 2023
COZ037-282000-
Central and Southeast Park County CO-
134 PM MDT Mon Aug 28 2023
...A strong thunderstorm will impact portions of east central Park
County through 200 PM MDT...
At 134 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Wilkerson Pass, or 38 miles northwest of Colorado
Springs, moving southeast at 15 mph.
HAZARD...Winds in excess of 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Lake George.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3910 10551 3915 10546 3913 10544 3911 10543
3911 10542 3910 10541 3910 10537 3913 10537
3913 10533 3891 10533
TIME...MOT...LOC 1934Z 315DEG 15KT 3911 10541
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
HEAVENER
2 years, 6 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 281921
FLSBOU
Flood Advisory
National Weather Service Denver CO
121 PM MDT Mon Aug 28 2023
COC069-282230-
/O.NEW.KBOU.FA.Y.0159.230828T1921Z-230828T2230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Larimer CO-
121 PM MDT Mon Aug 28 2023
...FLOOD ADVISORY IN EFFECT UNTIL 430 PM MDT THIS AFTERNOON...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...A portion of the Cameron Peak burned area, north of Glen
Haven.
* WHEN...Until 430 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 121 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding.
- Miller Fork is the most likely place to experience minor
flooding.
- Some locations that will experience flooding include...
mainly rural areas of Central Larimer County
- This includes the following additional locations...
Crystal Mountain, The Retreat and Storm Mountain.
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 4054 10545 4048 10548 4045 10541 4047 10533
4051 10531 4054 10540
$$
HEAVENER
2 years, 6 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 280521
FLSBOU
Flood Advisory
National Weather Service Denver CO
1121 PM MDT Sun Aug 27 2023
COC035-280645-
/O.NEW.KBOU.FA.Y.0158.230828T0521Z-230828T0645Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas CO-
1121 PM MDT Sun Aug 27 2023
...FLOOD ADVISORY IN EFFECT UNTIL 1245 AM MDT MONDAY...
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...A portion of northeast Colorado, including the following
county, Douglas.
* WHEN...Until 1245 AM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 1121 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream
flooding. Between 0.75 and 1.5 inches of rain have fallen.
- Some locations that will experience flooding include...
Northeastern Castle Rock, Parker, The Pinery, northeastern
Castle Pines and Ponderosa Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3943 10481 3947 10486 3951 10491 3956 10483
3951 10473 3948 10466 3947 10466 3945 10466
3942 10466 3939 10469 3942 10479 3943 10479
3943 10480
$$
RJK
2 years, 6 months