FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 050036
FLSBOU
Flood Advisory
National Weather Service Denver CO
636 PM MDT Tue Jul 4 2023
COC049-050345-
/O.NEW.KBOU.FA.Y.0109.230705T0036Z-230705T0345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grand CO-
636 PM MDT Tue Jul 4 2023
...FLOOD ADVISORY IN EFFECT UNTIL 945 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.
* WHEN...Until 945 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 636 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...
Kinney Creek, Soda Creek, Willow Creek, Onahu Creek, Middle
Fork Creek, Monument Creek, Ethel Creek, Corral Creek,
Buffalo Creek, Trail Creek, Wheatley Creek, Round Creek, East
Branch Willow Creek, Gold Run, Drowsy Water Creek, East Fork
Troublesome Creek, Trout Creek, Troublesome Creek, North Fork
Cabin Creek and Cabin Creek.
- Some locations that will experience flooding include...
Grand Lake.
- This includes the following additional locations...
Lower Stillwater Creek, Stillwater Pass, Upper Willow Creek
Valley, Middle Willow Creek Valley, Lower Willow Creek
Valley, Remote East Troublesome Headwaters, East Troublesome
Valley and Upper Corral 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 4037 10602 4033 10601 4034 10595 4033 10587
4024 10583 4018 10588 4016 10621 4018 10627
4025 10628 4034 10617 4033 10614 4035 10610
4035 10608
$$
Hiris
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 050026
SVRBOU
COC123-050100-
/O.NEW.KBOU.SV.W.0247.230705T0026Z-230705T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
626 PM MDT Tue Jul 4 2023
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Southwestern Weld County in northeastern Colorado...
* Until 700 PM MDT.
* At 626 PM MDT, a severe thunderstorm was located over Platteville,
or 13 miles south of Greeley, moving east at 30 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees. People and
animals outdoors will be injured. Expect hail damage to
roofs, siding, windows, and vehicles.
* This severe thunderstorm will be near...
Milton Reservoir around 645 PM MDT.
Other locations in the path of this severe thunderstorm include
Keenesburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4013 10492 4039 10488 4036 10444 4010 10447
TIME...MOT...LOC 0026Z 275DEG 26KT 4024 10481
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 8 months
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
$$
RPK
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 050004
SVRBOU
COC123-050030-
/O.NEW.KBOU.SV.W.0246.230705T0004Z-230705T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
604 PM MDT Tue Jul 4 2023
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
West central Weld County in northeastern Colorado...
* Until 630 PM MDT.
* At 604 PM MDT, a severe thunderstorm was located over Berthoud, or
16 miles southwest of Greeley, moving east at 30 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
Johnstown around 615 PM MDT.
Milliken around 620 PM MDT.
Other locations in the path of this severe thunderstorm include
Platteville and Gilcrest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4021 10475 4020 10505 4035 10505 4035 10495
4042 10494 4043 10477
TIME...MOT...LOC 0004Z 264DEG 25KT 4030 10501
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
RPK
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 050002
SVRBOU
COC069-050030-
/O.NEW.KBOU.SV.W.0245.230705T0002Z-230705T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
602 PM MDT Tue Jul 4 2023
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Northeastern Larimer County in north central Colorado...
* Until 630 PM MDT.
* At 602 PM MDT, severe thunderstorms were located along a line
extending from 5 miles north of Virginia Dale to 3 miles northeast
of Rustic, or along a line extending from 22 miles southeast of
Laramie to 27 miles northwest of Fort Collins, moving east at 30
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.
* Severe thunderstorms will be near...
Virginia Dale around 610 PM MDT.
Other locations in the path of these severe thunderstorms include
Poudre Park and Livermore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4100 10506 4068 10513 4066 10562 4100 10556
TIME...MOT...LOC 0002Z 265DEG 27KT 4102 10536 4073 10554
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 042336
SVRBOU
COC069-050000-
/O.NEW.KBOU.SV.W.0244.230704T2336Z-230705T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
536 PM MDT Tue Jul 4 2023
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
North central Larimer County in north central Colorado...
* Until 600 PM MDT.
* At 535 PM MDT, severe thunderstorms were located along a line
extending from 10 miles northeast of Four Corners to 4 miles west
of Kinikinik, or along a line extending from 24 miles southwest of
Laramie to 41 miles west of Fort Collins, moving east at 35 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings. Hail damage to
vehicles is expected.
* These severe thunderstorms will remain over mainly rural areas of
north central Larimer County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4100 10551 4074 10552 4073 10585 4100 10584
TIME...MOT...LOC 2335Z 270DEG 30KT 4101 10583 4071 10583
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 042319
SPSBOU
Special Weather Statement
National Weather Service Denver CO
519 PM MDT Tue Jul 4 2023
COZ035-038-039-042345-
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-
519 PM MDT Tue Jul 4 2023
...A strong thunderstorm will impact portions of southeastern Larimer
and northeastern Boulder Counties through 545 PM MDT...
At 519 PM MDT, Doppler radar was tracking a strong thunderstorm near
Pinewood Springs, or 22 miles southwest of Fort Collins, moving east
at 35 mph.
HAZARD...Winds in excess of 40 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...
Loveland, Berthoud, Lyons, Carter Lake, Pinewood Springs, Cedar Cove
and Drake.
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 1100 PM MDT for
north central and northeastern Colorado.
&&
LAT...LON 4035 10502 4035 10506 4024 10506 4023 10547
4030 10547 4030 10546 4032 10546 4033 10548
4043 10548 4045 10502
TIME...MOT...LOC 2319Z 268DEG 31KT 4033 10537
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
RPK
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 042314
SVRBOU
COC057-069-042345-
/O.NEW.KBOU.SV.W.0243.230704T2314Z-230704T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
514 PM MDT Tue Jul 4 2023
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Northeastern Jackson County in north central Colorado...
Northwestern Larimer County in north central Colorado...
* Until 545 PM MDT.
* At 514 PM MDT, a severe thunderstorm was located 8 miles northeast
of Brownlee, or 43 miles southwest of Laramie, moving east at 35
mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees. Hail damage to
vehicles is expected.
* This severe thunderstorm will be near...
Glendevey around 530 PM MDT.
Other locations in the path of this severe thunderstorm include Four
Corners.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4072 10622 4092 10617 4093 10583 4073 10586
TIME...MOT...LOC 2314Z 268DEG 30KT 4084 10613
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 042252
SVRBOU
COC057-042315-
/O.NEW.KBOU.SV.W.0242.230704T2252Z-230704T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
452 PM MDT Tue Jul 4 2023
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
North central Jackson County in north central Colorado...
* Until 515 PM MDT.
* At 451 PM MDT, a severe thunderstorm was located near Cowdrey, or
51 miles southwest of Laramie, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter 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...
Cowdrey around 455 PM MDT.
Brownlee around 500 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 4100 10620 4099 10619 4094 10619 4090 10614
4078 10613 4076 10646 4100 10648
TIME...MOT...LOC 2251Z 269DEG 32KT 4086 10636
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 8 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 042231
SPSBOU
Special Weather Statement
National Weather Service Denver CO
431 PM MDT Tue Jul 4 2023
COZ030-031-042300-
Jackson County Below 9000 Feet CO-
West Jackson and West Grand Counties Above 9000 Feet CO-
431 PM MDT Tue Jul 4 2023
...A strong thunderstorm will impact portions of northwestern Jackson
County through 500 PM MDT...
At 430 PM MDT, Doppler radar was tracking a strong thunderstorm 4
miles west of Mt Zirkel, or 47 miles northeast of Craig, moving east
at 40 mph.
HAZARD...Wind gusts of 50 to 55 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Lake John and Pearl.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4100 10637 4075 10636 4074 10666 4076 10667
4079 10664 4082 10664 4083 10666 4085 10665
4089 10669 4087 10671 4087 10674 4089 10674
4090 10677 4091 10678 4100 10678
TIME...MOT...LOC 2230Z 268DEG 33KT 4084 10675
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
$$
RPK
2 years, 8 months