SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 270355
SPSBOU
Special Weather Statement
National Weather Service Denver CO
955 PM MDT Thu Aug 26 2021
COZ032>036-038>040-043-270445-
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet CO-Central and South Weld County CO-
Grand and Summit Counties Below 9000 Feet CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 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-
955 PM MDT Thu Aug 26 2021
...Strong thunderstorms will impact portions of western Weld,
Broomfield, Larimer, northern Gilpin, northeastern Grand, northern
Jefferson, northwestern Adams and Boulder Counties through 1045 PM
MDT...
At 954 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 5 miles west of Cherokee Park to 3 miles
northwest of Pinewood Springs to near Rollinsville, or along a line
extending from 27 miles south of Laramie to 23 miles southwest of
Fort Collins to 29 miles northwest of Denver. Movement was east 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...
Fort Collins, southwestern Greeley, Thornton, northern Arvada,
Westminster, Boulder, Longmont, Loveland, Broomfield, northwestern
Commerce City, Northglenn, Brighton, Lafayette, Windsor, Louisville,
Erie, Superior, Federal Heights, Firestone and Johnstown.
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 4099 10477 3984 10482 3987 10588 4099 10594
TIME...MOT...LOC 0354Z 281DEG 38KT 4091 10560 4032 10539 3990 10546
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
ENTREKIN
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 192300
SVRBOU
COC001-087-192330-
/O.NEW.KBOU.SV.W.0144.210819T2300Z-210819T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
500 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Southwestern Morgan County in northeastern Colorado...
Northeastern Adams County in northeastern Colorado...
* Until 530 PM MDT.
* At 459 PM MDT, a severe thunderstorm was located 5 miles west of
Adena, or 17 miles southwest of Fort Morgan, moving northeast at 20
mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees. People and
animals outdoors will be injured. Expect hail damage to
roofs, siding, windows, and vehicles.
* This severe thunderstorm will be near...
Adena around 510 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3998 10382 3990 10408 4001 10415 4011 10415
4018 10394
TIME...MOT...LOC 2259Z 241DEG 17KT 4004 10398
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 192217
SVRBOU
COC001-192300-
/O.NEW.KBOU.SV.W.0139.210819T2217Z-210819T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
417 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Central Adams County in northeastern Colorado...
* Until 500 PM MDT.
* At 417 PM MDT, a severe thunderstorm was located 6 miles north of
Strasburg, or 33 miles east of Denver, moving northeast at 25 mph.
HAZARD...Ping pong 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 remain over mainly rural areas of
central Adams County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3993 10404 3974 10431 3974 10435 3988 10446
4000 10433 4000 10410
TIME...MOT...LOC 2217Z 224DEG 21KT 3983 10434
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 8 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 192144
SVRBOU
COC001-005-192215-
/O.NEW.KBOU.SV.W.0134.210819T2144Z-210819T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
344 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Central Arapahoe County in northeastern Colorado...
South central Adams County in northeastern Colorado...
* Until 415 PM MDT.
* At 344 PM MDT, a severe thunderstorm was located 5 miles south of
Watkins, or 20 miles east of Denver, moving northeast at 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees. People and
animals outdoors will be injured. Expect hail damage to
roofs, siding, windows, and vehicles.
* This severe thunderstorm will be near...
Watkins around 350 PM MDT.
Manila Village around 400 PM MDT.
Other locations in the path of this severe thunderstorm include
Bennett and Strasburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3960 10455 3973 10466 3985 10447 3971 10436
TIME...MOT...LOC 2144Z 219DEG 18KT 3968 10456
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 8 months
TORBOU
by EMWIN-Denver Regional
WFUS55 KBOU 192105
TORBOU
COC001-123-192130-
/O.NEW.KBOU.TO.W.0036.210819T2105Z-210819T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
305 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Southwestern Weld County in northeastern Colorado...
Northwestern Adams County in northeastern Colorado...
* Until 330 PM MDT.
* At 304 PM MDT, a severe thunderstorm capable of producing a tornado
was located over Todd Creek, or 16 miles north of Denver, moving
east at 20 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
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.
* This dangerous storm will be near...
Brighton around 315 PM MDT.
Barr Lake around 320 PM MDT.
Other locations in the path of this tornadic thunderstorm include
Fort Lupton.
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 3990 10476 3986 10497 4000 10498 4000 10496
4004 10496 4004 10498 4003 10497 4003 10498
4010 10499 4012 10475
TIME...MOT...LOC 2104Z 251DEG 18KT 3996 10490
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
RPK
2 years, 9 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 192059
FLSBOU
Flood Advisory
National Weather Service Denver CO
259 PM MDT Thu Aug 19 2021
COC001-192200-
/O.NEW.KBOU.FA.Y.0194.210819T2059Z-210819T2200Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams CO-
259 PM MDT Thu Aug 19 2021
The National Weather Service in Denver has issued a
* Urban and Small Stream Flood Advisory for...
Northwestern Adams County in northeastern Colorado...
* Until 400 PM MDT.
* At 259 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream flooding.
Between 1 and 1.5 inches of rain have fallen.
* Minor flooding in low-lying and poor drainage areas.
* Some locations that will experience flooding include...
Northeastern Thornton, northeastern Westminster, eastern
Broomfield, northern Commerce City, Brighton, Todd Creek and
Henderson.
Additional rainfall amounts of 0.5 to 1 inch are expected over the
area. This additional rain will result in minor flooding.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause minor flooding of
small creeks and streams, highways, streets, underpasses, drainage
areas and other low lying spots.
&&
LAT...LON 4000 10470 3988 10492 3997 10499 4000 10494
4000 10492 4000 10488 4000 10485 4000 10481
4000 10479 4000 10475 4000 10473 4000 10472
$$
TH
2 years, 9 months
SVRBOU
by EMWIN-Denver Regional
WUUS55 KBOU 192046
SVRBOU
COC001-123-192115-
/O.NEW.KBOU.SV.W.0130.210819T2046Z-210819T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
246 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
South central Weld County in northeastern Colorado...
North central Adams County in northeastern Colorado...
* Until 315 PM MDT.
* At 246 PM MDT, a severe thunderstorm was located near Hudson, or 24
miles south of Greeley, moving northeast at 25 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...
Hudson around 255 PM MDT.
Keenesburg around 305 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3992 10473 4012 10484 4024 10457 4003 10445
TIME...MOT...LOC 2046Z 230DEG 22KT 4006 10467
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RPK
2 years, 9 months
TORBOU
by EMWIN-Denver Regional
WFUS55 KBOU 192039
TORBOU
COC001-014-059-192115-
/O.NEW.KBOU.TO.W.0035.210819T2039Z-210819T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
239 PM MDT Thu Aug 19 2021
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Broomfield County in northeastern Colorado...
Northeastern Jefferson County in central Colorado...
West central Adams County in northeastern Colorado...
* Until 315 PM MDT.
* At 239 PM MDT, a severe thunderstorm capable of producing a tornado
was located over southwestern Westminster, or 12 miles northwest of
Denver, moving northeast at 15 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Broomfield around 245 PM MDT.
Federal Heights around 255 PM MDT.
Other locations in the path of this tornadic thunderstorm include
Westminster, Northglenn and Thornton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4000 10502 3987 10491 3977 10511 3991 10522
3992 10520 3991 10515 3995 10512 3995 10511
3993 10512 3994 10508 3996 10507 3996 10505
3998 10505
TIME...MOT...LOC 2039Z 239DEG 15KT 3987 10510
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
RPK
2 years, 9 months
SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 192013
SPSBOU
Special Weather Statement
National Weather Service Denver CO
213 PM MDT Thu Aug 19 2021
COZ040-043-192030-
Central and South Weld County CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
213 PM MDT Thu Aug 19 2021
...A strong thunderstorm will impact portions of northwestern Adams
County through 230 PM MDT...
At 213 PM MDT, Doppler radar was tracking a strong thunderstorm near
Todd Creek, or 15 miles north of Denver, moving north at 30 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...
Thornton, northwestern Commerce City, Northglenn, Brighton, Barr Lake
and Todd Creek.
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 800 PM MDT for
northeastern Colorado.
&&
LAT...LON 3983 10480 3987 10500 4008 10490 4005 10473
TIME...MOT...LOC 2013Z 199DEG 26KT 3994 10489
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
RPK
2 years, 9 months
WCNBOU
by EMWIN-Denver Regional
WWUS65 KBOU 191921
WCNBOU
WATCH COUNTY NOTIFICATION FOR WATCH 449
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
121 PM MDT THU AUG 19 2021
COC001-005-031-039-073-075-087-095-115-121-123-200200-
/O.NEW.KBOU.SV.A.0449.210819T1921Z-210820T0200Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
449 IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR THE FOLLOWING AREAS
IN COLORADO THIS WATCH INCLUDES 11 COUNTIES
IN EAST CENTRAL COLORADO
ELBERT LINCOLN
IN NORTHEAST COLORADO
ADAMS ARAPAHOE DENVER
LOGAN MORGAN PHILLIPS
SEDGWICK WASHINGTON WELD
THIS INCLUDES THE CITIES OF AKRON, AURORA, CENTENNIAL, DENVER,
DENVER INTERNATIONAL AIRPORT, ELIZABETH, FORT MORGAN, GREELEY,
HOLYOKE, JULESBURG, KIOWA, LIMON, STERLING, THORNTON,
WESTMINSTER, AND WINDSOR.
$$
2 years, 9 months