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Areal Flood Advisory 0087
Issued by the Denver / Boulder Forecast Office

Action Issued Starts Expiration
New 2026-08-13 19:53:02 2026-08-13 19:52:00 2026-08-13 22:45:00
Expired 2026-08-13 22:44:08 2026-08-13 22:45:00


Action: New
Issued At: 2026-08-13 19:53:02

268 
WGUS85 KBOU 140052
FLSBOU

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

COC073-121-140345-
/O.NEW.KBOU.FA.Y.0087.260814T0052Z-260814T0345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln CO-Washington CO-
652 PM MDT Thu Aug 13 2026

...FLOOD ADVISORY IN EFFECT UNTIL 945 PM MDT THIS EVENING...

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

* WHERE...North Central Lincoln County in east central Colorado...
  South Central Washington County in northeastern Colorado...

* WHEN...Until 945 PM MDT.

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

* ADDITIONAL DETAILS...

    - At 652 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...
    Vega Creek, Sand Creek, Gordon Creek, Dugout Creek and North Fork
    Arikaree River. 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...
    Lindon and Anton.


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 3957 10352 3975 10346 3982 10315 3968 10315
      3949 10335 3951 10354


$$

09


Action: Expired
Issued At: 2026-08-13 22:44:08

744 
WGUS85 KBOU 140343
FLSBOU

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

COC073-121-140353-
/O.EXP.KBOU.FA.Y.0087.000000T0000Z-260814T0345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln CO-Washington CO-
943 PM MDT Thu Aug 13 2026

...FLOOD ADVISORY WILL EXPIRE AT 945 PM MDT THIS EVENING...

The Flood Advisory will expire at 945 PM MDT this evening for
portions of east central and northeast Colorado, including the
following areas, in east central Colorado, Lincoln County. In
northeast Colorado, south central Washington County.

The heavy rain has ended. Small stream flooding is no longer expected
to pose a threat. Please continue to heed any remaining closures.

&&

LAT...LON 3957 10352 3975 10346 3982 10315 3968 10315
      3949 10335 3951 10354


$$

09



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