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
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 300414
FLSBOU
Flood Advisory
National Weather Service Denver CO
1014 PM MDT Sat Jul 29 2023
COC001-123-300715-
/O.NEW.KBOU.FA.Y.0127.230730T0414Z-230730T0715Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams CO-Weld CO-
1014 PM MDT Sat Jul 29 2023
...FLOOD ADVISORY IN EFFECT UNTIL 115 AM MDT SUNDAY...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...A portion of northeast Colorado, including the following
counties, Adams and Weld.
* WHEN...Until 115 AM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 1014 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Between
1 and 2 inches of rain have fallen.
- This includes the following streams and drainages...
Wolf Creek, Lost Creek, Comanche Creek, Mule Creek, Kiowa
Creek, Sand Creek, Jack Rabbit Creek and West Sand 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...
Prospect Valley.
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, country roads, farmland along creeks, and
other low lying areas.
&&
LAT...LON 4001 10444 4008 10445 4011 10445 4012 10436
4011 10431 4010 10422 4005 10419 3991 10426
3986 10431 3988 10444 3991 10445
$$
Hiris
9 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 300210
SPSBOU
Special Weather Statement
National Weather Service Denver CO
810 PM MDT Sat Jul 29 2023
COZ043-045-300245-
Central and South Weld County CO-
Central and East Adams and Arapahoe Counties CO-
810 PM MDT Sat Jul 29 2023
...A strong thunderstorm will impact portions of central Adams County
through 845 PM MDT...
At 810 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Prospect Valley, or 32 miles northeast of Denver,
moving east at 10 mph.
HAZARD...Winds in excess of 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This storm will remain over mainly rural areas of central Adams
County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3982 10414 3981 10448 3994 10451 3999 10451
4000 10452 4008 10422
TIME...MOT...LOC 0210Z 257DEG 9KT 3992 10440
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
DANIELSON
9 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 300002
SPSBOU
Special Weather Statement
National Weather Service Denver CO
602 PM MDT Sat Jul 29 2023
COZ041-043-045-046-300045-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
Central and South Weld County CO-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County CO-Central and East Adams and Arapahoe Counties CO-
602 PM MDT Sat Jul 29 2023
...Strong thunderstorms will impact portions of south central Weld,
north central Elbert, central Arapahoe and central Adams Counties
through 645 PM MDT...
At 602 PM MDT, Doppler radar was tracking strong thunderstorms
capable of producing a landspout tornado along a line extending from
Roggen to 13 miles south of Strasburg, or along a line extending from
25 miles southeast of Greeley to 32 miles southeast of Denver.
Movement was east at 10 mph.
HAZARD...Landspouts possible and penny size hail.
SOURCE...Radar indicated.
IMPACT...Landspout tornadoes can damage mobile homes, roofs,
vehicles, and trees. Outdoor objects may be tossed about.
Locations impacted include...
Bennett, Prospect Valley, Strasburg, Byers and Roggen.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
If a tornado is spotted seek shelter inside a sturdy building.
&&
LAT...LON 3948 10418 3948 10452 4025 10448 4026 10415
TIME...MOT...LOC 0002Z 262DEG 9KT 4017 10438 3954 10438
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
$$
RPK
9 months, 2 weeks
TORBOU
by EMWIN-Denver Regional
WFUS55 KBOU 292342
TORBOU
COC001-123-300015-
/O.NEW.KBOU.TO.W.0065.230729T2342Z-230730T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
542 PM MDT Sat Jul 29 2023
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
South central Weld County in northeastern Colorado...
North central Adams County in northeastern Colorado...
* Until 615 PM MDT.
* At 541 PM MDT, a tornado producing storm was located 7 miles
southeast of Prospect Valley, or 34 miles southwest of Fort Morgan,
moving northeast at 10 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Prospect Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4022 10436 4013 10415 4000 10415 4000 10414
3986 10428 3995 10449
TIME...MOT...LOC 2341Z 208DEG 9KT 3998 10434
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
RJK
9 months, 2 weeks
TORBOU
by EMWIN-Denver Regional
WFUS55 KBOU 292328
TORBOU
COC001-292345-
/O.NEW.KBOU.TO.W.0064.230729T2328Z-230729T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
528 PM MDT Sat Jul 29 2023
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
North central Adams County in northeastern Colorado...
* Until 545 PM MDT.
* At 527 PM MDT, a severe thunderstorm capable of producing a tornado
was located 9 miles south of Prospect Valley, or 34 miles northeast
of Denver, moving northeast at 10 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
* This tornadic thunderstorm will remain over mainly rural areas of
north central Adams County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3989 10435 3993 10442 4000 10437 3997 10426
TIME...MOT...LOC 2327Z 214DEG 10KT 3994 10436
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
RJK
9 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 292150
SPSBOU
Special Weather Statement
National Weather Service Denver CO
350 PM MDT Sat Jul 29 2023
COZ040-041-045-292215-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
Central and East Adams and Arapahoe Counties CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
350 PM MDT Sat Jul 29 2023
...Landspouts will be possible across northeastern Douglas,
northwestern Elbert and central Arapahoe Counties through 415 PM
MDT...
At 348 PM MDT, Doppler radar was tracking developing thunderstorms
capable of producing a landspout tornado along a line extending from
3 miles southwest of Bennett to near The Pinery, or along a line
extending from 50 miles northwest of Limon to 22 miles southeast of
Denver. Movement was northeast at 10 mph.
HAZARD...Landspouts possible.
SOURCE...Radar indicated.
IMPACT...Landspout tornadoes can damage mobile homes, roofs,
vehicles, and trees. Outdoor objects may be tossed about.
Locations impacted include...
Southern Aurora, southeastern Centennial, Parker, The Pinery and
Ponderosa Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
If a tornado is spotted seek shelter inside a sturdy building.
&&
LAT...LON 3957 10478 3972 10445 3956 10440 3957 10448
3956 10449 3956 10447 3953 10446 3954 10445
3953 10444 3954 10442 3951 10441 3940 10474
TIME...MOT...LOC 2148Z 204DEG 10KT 3969 10446 3946 10471
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH
$$
RPK
9 months, 2 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 290020
SPSBOU
Special Weather Statement
National Weather Service Denver CO
620 PM MDT Fri Jul 28 2023
COZ044-045-049-290100-
Washington County CO-Morgan County CO-
Central and East Adams and Arapahoe Counties CO-
620 PM MDT Fri Jul 28 2023
...A strong thunderstorm will impact portions of southern Morgan,
west central Washington and northeastern Adams Counties through 700
PM MDT...
At 620 PM MDT, Doppler radar was tracking a strong thunderstorm near
Twelve-Mile Corner, or 13 miles south of Fort Morgan, moving east at
10 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...
Gary, Hoyt, Twelve-Mile Corner, Adena School, Woodrow and Adena.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4015 10340 3993 10340 3995 10417 4000 10417
4000 10415 4017 10415
TIME...MOT...LOC 0020Z 285DEG 10KT 4007 10373
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
DANIELSON
9 months, 3 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 282220
SPSBOU
Special Weather Statement
National Weather Service Denver CO
420 PM MDT Fri Jul 28 2023
COZ045-046-049-282300-
Washington County CO-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County CO-Central and East Adams and Arapahoe Counties CO-
420 PM MDT Fri Jul 28 2023
...A strong thunderstorm will impact portions of northeastern Elbert,
eastern Arapahoe, southwestern Washington and southeastern Adams
Counties through 500 PM MDT...
At 420 PM MDT, Doppler radar was tracking a strong thunderstorm near
Deer Trail, or 27 miles northwest of Limon, moving northeast at 20
mph.
HAZARD...Wind gusts up to 50 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Deer Trail, Agate, Cottonwood Valley and Shamrock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3942 10389 3953 10411 3972 10413 3990 10379
3965 10354
TIME...MOT...LOC 2220Z 231DEG 19KT 3959 10400
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH
$$
DANIELSON
9 months, 3 weeks
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 282036
SPSBOU
Special Weather Statement
National Weather Service Denver CO
236 PM MDT Fri Jul 28 2023
COZ039>041-043-045-046-282115-
Elbert/Central and East Douglas Counties Above 6000 Feet CO-
Central and South Weld County CO-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Central and East Adams and Arapahoe Counties CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
236 PM MDT Fri Jul 28 2023
...A strong thunderstorm will impact portions of northeastern
Douglas, southern Weld, northwestern Elbert, western Arapahoe,
Broomfield, eastern Denver and western Adams Counties through 315 PM
MDT...
At 236 PM MDT, Doppler radar was tracking a strong thunderstorm over
northwestern Aurora, or 12 miles east of Denver, moving northeast at
10 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...
Eastern Denver, Aurora, Thornton, Westminster, eastern Centennial,
Broomfield, Commerce City, northeastern Parker, Northglenn, Brighton,
Elbert, Federal Heights, Denver International Airport, D.I.A Terminal
and Concourses, Fort Lupton, Lochbuie, Bennett, Elizabeth, Kiowa and
Buckley SFB.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3935 10461 3962 10483 3993 10513 4013 10478
3983 10444 3947 10419 3913 10414 3913 10461
TIME...MOT...LOC 2036Z 240DEG 9KT 3978 10472
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH
$$
DANIELSON
9 months, 3 weeks