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Home Return to list Areal Flood Advisory 0158 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-09-20 22:40:41
890
WGUS85 KBOU 210340
FLSBOU
Flood Advisory
National Weather Service Denver CO
940 PM MDT Sun Sep 20 2026
COC035-039-210645-
/O.NEW.KBOU.FA.Y.0158.260921T0340Z-260921T0645Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas CO-Elbert CO-
940 PM MDT Sun Sep 20 2026
...FLOOD ADVISORY IN EFFECT UNTIL 1245 AM MDT MONDAY...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Northwestern Elbert County in east central Colorado...
Northeastern Douglas County in northeastern Colorado...
* WHEN...Until 1245 AM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Overflowing poor drainage areas.
* ADDITIONAL DETAILS...
- At 939 PM MDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. Minor flooding is
ongoing or expected to begin shortly in the advisory area. Up to
0.75 inches of rain have fallen in some areas.
- Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Parker, The Pinery and Ponderosa Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3950 10488 3957 10483 3957 10465 3944 10454
3938 10465 3942 10478
$$
BRQ
Action: Expired Issued At: 2026-09-21 01:37:46
723
WGUS85 KBOU 210637
FLSBOU
Flood Advisory
National Weather Service Denver CO
1237 AM MDT Mon Sep 21 2026
COC035-039-210647-
/O.EXP.KBOU.FA.Y.0158.000000T0000Z-260921T0645Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas CO-Elbert CO-
1237 AM MDT Mon Sep 21 2026
...FLOOD ADVISORY WILL EXPIRE AT 1245 AM MDT EARLY THIS MORNING...
The Flood Advisory will expire at 1245 AM MDT early this morning for
portions of east central and northeast Colorado, including the
following areas, in east central Colorado, Elbert. In northeast
Colorado, Douglas.
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining closures.
&&
LAT...LON 3950 10488 3957 10483 3957 10465 3944 10454
3938 10465 3942 10478
$$
BRQ
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