SPSBOU
by EMWIN-Denver Regional
WWUS85 KBOU 032151
SPSBOU
Special Weather Statement
National Weather Service Denver CO
351 PM MDT Sun Jul 3 2022
COZ035-032215-
Larimer and Boulder Counties Between 6000 and 9000 Feet CO-
351 PM MDT Sun Jul 3 2022
...A strong thunderstorm will impact portions of central Boulder
County through 415 PM MDT...
At 351 PM MDT, Doppler radar was tracking a strong thunderstorm over
Jamestown, or 35 miles northwest of Denver, moving northeast at 10
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...
Northwestern Boulder, Jamestown, Raymond, Wallstreet, Salina,
Crisman, Gold Hill, Sunshine, Summerville, Peaceful Valley and
Allenspark.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
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 4021 10536 4013 10531 4012 10531 4012 10530
4009 10529 4007 10529 4007 10531 4004 10530
4000 10543 4007 10547 4008 10547 4009 10548
4014 10551 4016 10550
TIME...MOT...LOC 2151Z 240DEG 9KT 4010 10541
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
$$
RPK
3 years, 8 months
FLSBOU
by EMWIN-Denver Regional
WGUS85 KBOU 022227
FLSBOU
Flood Advisory
National Weather Service Denver CO
427 PM MDT Sat Jul 2 2022
COC013-030000-
/O.NEW.KBOU.FA.Y.0016.220702T2227Z-220703T0000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boulder CO-
427 PM MDT Sat Jul 2 2022
...FLOOD ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...A portion of northeast Colorado, including the following
county, Boulder, including the Calwood burn area.
* WHEN...Until 600 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 427 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding.
- This includes the following streams and drainages...
Little James Creek, South Saint Vrain Creek, Left Hand Creek,
Middle Saint Vrain Creek and North Saint Vrain Creek.
- Some locations that will experience flooding include...
mainly rural areas of Central Boulder County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Heavy rainfall will cause minor flooding of small creeks, gulches,
roads and roadside culverts in the Calwood burn area. The heavy
rains could also trigger rock slides or debris flows. The main areas
of concern are Heil Valley Ranch and Lefthand Creek just above US 36.
&&
LAT...LON 4018 10540 4018 10531 4013 10531 4011 10533
4013 10538 4014 10540
$$
RPK
3 years, 8 months