FFABOU
by EMWIN-Denver Regional
WGUS65 KBOU 310911
FFABOU
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Denver CO
311 AM MDT Mon Jul 31 2023
COZ032-033-035-312215-
/O.NEW.KBOU.FA.A.0010.230731T1800Z-230801T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grand and Summit Counties Below 9000 Feet-South and East
Jackson/Larimer/North and Northeast Grand/Northwest Boulder
Counties Above 9000 Feet-Larimer and Boulder Counties Between
6000 and 9000 Feet-
Including the cities of Laramie and Medicine Bow Mountains, Red
Feather Lakes, Dillon, Rabbit Ears Range, Grand Lake, Estes Park,
Nederland, Willow Creek Pass, Fraser, Glendevey, Kremmling,
Cameron Pass, Rocky Mountain National Park, Granby, and Hot
Sulphur Springs
311 AM MDT Mon Jul 31 2023
...FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH MIDNIGHT
TONIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of central and north central Colorado, including
the following areas, in central Colorado, Grand and Summit
Counties Below 9000 Feet. In north central Colorado, Larimer and
Boulder Counties Between 6000 and 9000 Feet and South and East
Jackson/Larimer/North and Northeast Grand/Northwest Boulder
Counties Above 9000 Feet.
* WHEN...From Noon MDT today through midnight tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Thunderstorms are expected to develop across the high country
during the early afternoon and continue into the late evening
hours. Storms will be capable of producing heavy rain with
rainfall rates in excess of an inch per hour, with flash
flooding possible, especially over burn areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
COZ038>046-312215-
/O.NEW.KBOU.FA.A.0010.230731T2200Z-230801T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-Elbert/Central and East Douglas
Counties Above 6000 Feet-Northeast Weld County-Central and South
Weld County-Morgan County-Central and East Adams and Arapahoe
Counties-North and Northeast Elbert County Below 6000 Feet/North
Lincoln County-
Including the cities of Deer Trail, Grover, Byers, Brighton,
Hugo, Littleton, Longmont, Briggsdale, Parker, Goodrich, Bennett,
Agate, Nunn, Greeley, Stoneham, Elbert, City of Denver, Eaton,
Kiowa, Fort Collins, Hereford, Golden, Aurora, Roggen, Wiggins,
Fort Lupton, Brush, Boulder, Pawnee Buttes, Fondis, Matheson,
Limon, Fort Morgan, Raymer, Highlands Ranch, Denver International
Airport, Lakewood, Larkspur, Leader, Arvada, Loveland, and Castle
Rock
311 AM MDT Mon Jul 31 2023
...FLOOD WATCH IN EFFECT FROM 4PM THIS AFTERNOON THROUGH MIDNIGHT
TONIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of east central, north central, and northeast
Colorado, including the following areas, in east central Colorado,
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County. In north central Colorado, Larimer County Below 6000
Feet/Northwest Weld County. In northeast Colorado, Boulder And
Jefferson Counties Below 6000 Feet/West Broomfield County, Central
and East Adams and Arapahoe Counties, Central and South Weld
County, Elbert/Central and East Douglas Counties Above 6000 Feet,
Morgan County, North Douglas County Below 6000 Feet/Denver/West
Adams and Arapahoe Counties/East Broomfield County and Northeast
Weld County.
* WHEN...From this afternoon through this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Thunderstorms are expected to develop across the high country
early this afternoon. A cluster of slow moving thunderstorms
should then develop over the I-25 corridor by late afternoon
or early evening, then drift into the eastern plains by the
late evening. Rainfall rates of 1 to 2 inches per hour will
be possible in the stronger storms.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Hiris
9 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 280335
SPSBOU
Special Weather Statement
National Weather Service Denver CO
935 PM MDT Thu Jul 27 2023
COZ032-033-280415-
Grand and Summit Counties Below 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
935 PM MDT Thu Jul 27 2023
...A strong thunderstorm will impact portions of northeastern Grand
County through 1015 PM MDT...
At 928 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles north of Hot Sulphur Springs, or 59 miles west of Fort Collins,
moving northeast at 25 mph.
HAZARD...Winds in excess of 40 mph, brief heavy rain 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...
East Troublesome burn scar, Trail Ridge and Grand Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Brief heavy rainfall, up to 0.25 inch in 30 minutes could produce
minor flooding in the East Troublesome burn scar. In addition,
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.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm.
&&
LAT...LON 4045 10574 4018 10571 4018 10579 4017 10580
4012 10616 4027 10619
TIME...MOT...LOC 0328Z 240DEG 26KT 4023 10610
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
COOPER
9 months, 3 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 072316
SPSBOU
Special Weather Statement
National Weather Service Denver CO
516 PM MDT Fri Jul 7 2023
COZ030-033-035-072345-
Jackson County Below 9000 Feet CO-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
516 PM MDT Fri Jul 7 2023
...Strong thunderstorms will impact portions of southeastern Jackson
and central Larimer Counties through 545 PM MDT...
At 516 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles northwest of Rand to near Estes Park,
or along a line extending from 68 miles east of Craig to 26 miles
southwest of Fort Collins. Movement was northeast at 40 mph.
HAZARD...Wind gusts of 50 to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Estes Park, Trail Ridge, Kinikinik, Pennock Pass, Chambers Lake,
Cameron Pass, Gould, Pingree Park and Rand.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4079 10583 4061 10539 4032 10557 4048 10630
TIME...MOT...LOC 2316Z 226DEG 37KT 4048 10625 4039 10551
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
RPK
10 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 072236
SPSBOU
Special Weather Statement
National Weather Service Denver CO
436 PM MDT Fri Jul 7 2023
COZ030-032-033-072315-
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-
436 PM MDT Fri Jul 7 2023
...Strong thunderstorms will impact portions of southeastern Jackson,
southwestern Larimer and northern Grand Counties through 515 PM
MDT...
At 435 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles southeast of Coalmont to 3 miles
northwest of Grand Lake, or along a line extending from 61 miles east
of Craig to 45 miles southwest of Fort Collins. Movement was
northeast at 35 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, Grand Lake, Gould, Rand, Cameron Pass and Coalmont.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4064 10638 4044 10551 4044 10554 4042 10556
4042 10554 4040 10558 4042 10566 4041 10564
4039 10561 4036 10564 4035 10567 4035 10565
4034 10565 4023 10581 4037 10653 4040 10652
4041 10654 4045 10656
TIME...MOT...LOC 2235Z 241DEG 30KT 4047 10639 4029 10586
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
RPK
10 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 071944
SPSBOU
Special Weather Statement
National Weather Service Denver CO
144 PM MDT Fri Jul 7 2023
COZ033-035-072015-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
144 PM MDT Fri Jul 7 2023
...A strong thunderstorm will impact portions of central Larimer
County through 215 PM MDT...
At 144 PM MDT, Doppler radar was tracking a strong thunderstorm near
Glen Haven, or 20 miles west of Fort Collins, moving northeast at 20
mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Locations impacted include...
Stove Prairie, Pennock Pass, Glen Haven, Buckhorn Mountain and
Pingree Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4069 10526 4053 10517 4052 10520 4055 10522
4054 10523 4050 10521 4052 10524 4053 10527
4048 10525 4042 10548 4058 10560 4069 10531
4068 10530 4070 10528
TIME...MOT...LOC 1944Z 239DEG 17KT 4050 10544
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
$$
RPK
10 months, 2 weeks
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
$$
HIRIS
10 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 060204
SPSBOU
Special Weather Statement
National Weather Service Denver CO
804 PM MDT Wed Jul 5 2023
COZ030-031-060230-
Jackson County Below 9000 Feet CO-
West Jackson and West Grand Counties Above 9000 Feet CO-
804 PM MDT Wed Jul 5 2023
...A strong thunderstorm will impact portions of southwestern Jackson
County through 830 PM MDT...
At 803 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles northeast of Steamboat Springs, or 47 miles east of Craig,
moving southeast at 25 mph.
HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Coalmont.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4069 10665 4056 10638 4042 10648 4043 10649
4041 10651 4040 10651 4038 10653 4047 10667
4051 10666 4052 10667 4053 10667 4056 10669
4062 10670
TIME...MOT...LOC 0203Z 299DEG 21KT 4055 10665
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH
$$
RPK
10 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050054
SPSBOU
Special Weather Statement
National Weather Service Denver CO
654 PM MDT Tue Jul 4 2023
COZ033>035-038-039-050130-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 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-
654 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of southeastern Larimer,
northwestern Gilpin, east central Grand and Boulder Counties through
730 PM MDT...
At 654 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles east of Estes Park to near Rollins
Pass, or along a line extending from 24 miles southwest of Fort
Collins to 40 miles west of Denver. Movement was east 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...
Boulder, Estes Park, Lyons, Nederland, Bear Lake, Jamestown, Ward,
Raymond, Brainard Lake, Crisman, Eldorado Springs, Pinewood Springs,
Gold Hill, Sunshine, Meeker Park, Rollins Pass, Eldora, Arapahoe
Peak, Allenspark and Longs Peak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
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 1100 PM MDT for
central, north central and northeastern Colorado.
&&
LAT...LON 4038 10514 3991 10522 3991 10539 3994 10540
3993 10542 3994 10544 3993 10553 3992 10553
3991 10557 3991 10572 4010 10572 4011 10571
4011 10572 4039 10571
TIME...MOT...LOC 0054Z 272DEG 31KT 4036 10546 3992 10566
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
$$
RPK
10 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 050021
SPSBOU
Special Weather Statement
National Weather Service Denver CO
621 PM MDT Tue Jul 4 2023
COZ032>034-050100-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-Grand and Summit Counties Below 9000 Feet CO-
South and East Jackson/Larimer/North and Northeast Grand/Northwest
Boulder Counties Above 9000 Feet CO-
621 PM MDT Tue Jul 4 2023
...Strong thunderstorms will impact portions of southeastern Jackson
and central Grand Counties through 700 PM MDT...
At 621 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles south of Rand to 9 miles southeast of
Williams Fork Reservoir, or along a line extending from 60 miles west
of Fort Collins to 63 miles west of Denver. Movement was east at 35
mph.
HAZARD...Wind gusts of 50 to 55 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Granby, Fraser, Winter Park, Hot Sulphur Springs, Grand Lake,
Parshall, Tabernash, Elkdale, Hot Sulphur Spring and Williams Fork
Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4040 10628 4040 10615 4041 10585 3991 10576
3990 10623
TIME...MOT...LOC 0021Z 283DEG 31KT 4034 10618 3992 10611
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH
$$
RPK
10 months, 2 weeks
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 042314
SVRBOU
COC057-069-042345-
/O.NEW.KBOU.SV.W.0243.230704T2314Z-230704T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
514 PM MDT Tue Jul 4 2023
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Northeastern Jackson County in north central Colorado...
Northwestern Larimer County in north central Colorado...
* Until 545 PM MDT.
* At 514 PM MDT, a severe thunderstorm was located 8 miles northeast
of Brownlee, or 43 miles southwest of Laramie, moving east at 35
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...
Glendevey around 530 PM MDT.
Other locations in the path of this severe thunderstorm include Four
Corners.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4072 10622 4092 10617 4093 10583 4073 10586
TIME...MOT...LOC 2314Z 268DEG 30KT 4084 10613
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
10 months, 2 weeks