778 
WGUS85 KBOU 140149
FLSBOU

Flood Advisory
National Weather Service Denver CO
749 PM MDT Thu Aug 13 2026

COC001-005-087-121-140445-
/O.NEW.KBOU.FA.Y.0089.260814T0149Z-260814T0445Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams CO-Arapahoe CO-Morgan CO-Washington CO-
749 PM MDT Thu Aug 13 2026

...FLOOD ADVISORY IN EFFECT UNTIL 1045 PM MDT THIS EVENING...

* WHAT...Small stream flooding caused by excessive rainfall is
  expected.

* WHERE...Eastern Adams County in northeastern Colorado...
  Arapahoe County in northeastern Colorado...
  Southern Morgan County in northeastern Colorado...
  West Central Washington County in northeastern Colorado...

* WHEN...Until 1045 PM MDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Rises in small streams and normally dry creeks.

* ADDITIONAL DETAILS...

    - At 749 PM MDT, Doppler radar and automated rain gauges
    indicated heavy rain due to thunderstorms. This may cause small
    stream flooding. Between 0.5 and 2 inches of rain have fallen.

    - This includes the following streams and drainages...
    Sherman Ranch Slough, Sand Creek, Comanche Creek, Beaver Creek,
    Poision Springs Creek, Muddy Creek, West Bijou Creek, East Fork
    Little Muddy Creek, Antelope Creek, Buck Creek, Middle Bijou
    Creek, Wolf Creek, Little Antelope Creek, Badger Creek, East
    Bijou Creek, Bijou Creek, Mule Creek, Rock Creek, West Fork San
    Arroyo Creek, Rattlesnake Creek and Kiowa Creek. Additional
    rainfall amounts up to 1 inch are expected over the area. This
    additional rain will result in minor flooding.

    - Some locations that will experience flooding include...
    Adena, Shamrock, Leader, Twelve-Mile Corner, Hoyt, Woodrow, Gary,
    Byers and Hoyt Beet Dump.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont 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 3974 10428 3982 10435 3999 10429 4000 10427
      4000 10415 4007 10415 4013 10403 4008 10375
      4024 10352 4018 10337 3990 10361 3987 10381
      3976 10381 3971 10400 3972 10426


$$

09

072 
WGUS85 KBOU 140440
FLSBOU

Flood Advisory
National Weather Service Denver CO
1040 PM MDT Thu Aug 13 2026

COC001-005-087-121-140450-
/O.EXP.KBOU.FA.Y.0089.000000T0000Z-260814T0445Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams CO-Arapahoe CO-Morgan CO-Washington CO-
1040 PM MDT Thu Aug 13 2026

...FLOOD ADVISORY WILL EXPIRE AT 1045 PM MDT THIS EVENING...

The Flood Advisory will expire at 1045 PM MDT this evening for a
portion of northeast Colorado, including the following areas, Adams,
Arapahoe, Morgan and Washington.

Flood waters have receded. Small stream flooding is no longer
expected to pose a threat. However, light rainfall is still
occurring. Please continue to heed any remaining closures.

&&

LAT...LON 3974 10428 3982 10435 3999 10429 4000 10427
      4000 10415 4007 10415 4013 10403 4008 10375
      4024 10352 4018 10337 3990 10361 3987 10381
      3976 10381 3971 10400 3972 10426


$$

MAI