775
WGUS85 KBOU 202051
FLSBOU
FLOOD ADVISORY
NATIONAL WEATHER SERVICE DENVER CO
251 PM MDT MON JUL 20 2026
COC013-049-202345-
/O.NEW.KBOU.FA.Y.0025.260720T2051Z-260720T2345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOULDER CO-GRAND CO-
251 PM MDT MON JUL 20 2026
..FLOOD ADVISORY IN EFFECT UNTIL 545 PM MDT THIS AFTERNOON
* WHAT...SMALL STREAM FLOODING CAUSED BY EXCESSIVE RAINFALL IS
EXPECTED.
* WHERE...EASTERN GRAND COUNTY IN NORTH CENTRAL COLORADO...
WEST CENTRAL BOULDER COUNTY IN NORTHEASTERN COLORADO...
* WHEN...UNTIL 545 PM MDT.
* IMPACTS...RISES IN SMALL STREAMS AND NORMALLY DRY CREEKS.
* ADDITIONAL DETAILS...
- AT 251 PM MDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO
THUNDERSTORMS. THIS MAY CAUSE SMALL STREAM FLOODING. BETWEEN 1
AND 1.5 INCHES OF RAIN HAVE FALLEN.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GRANBY, FRASER, WINTER PARK, GRAND LAKE, ELKDALE AND TABERNASH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4034 10598 4037 10594 4038 10595 4040 10592
4040 10590 4043 10590 4048 10585 4045 10581
4042 10582 4037 10578 4033 10571 4029 10568
4027 10568 4025 10565 4015 10566 4004 10564
3994 10570 3980 10577 3988 10600 4001 10597
09
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page