188 
WGUS55 KBOU 230133
FFWBOU
COC005-035-230430-
/O.NEW.KBOU.FF.W.0038.260923T0133Z-260923T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
733 PM MDT Tue Sep 22 2026

The National Weather Service in Denver has issued a

* Flash Flood Warning for...
  Western Arapahoe County in northeastern Colorado...
  Northeastern Douglas County in northeastern Colorado...

* Until 1030 PM MDT.

* At 733 PM MDT, Doppler radar and automated rain gauges indicated
  thunderstorms producing heavy rain across the warned area. Between
  0.5 and 2 inches of rain have fallen. Flash flooding is ongoing or
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flash flooding of small creeks and streams, gulches,
           roads, and poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Eastern Centennial, eastern Highlands Ranch, northern Castle Rock,
  Parker, Greenwood Village, Lone Tree, Castle Pines, The Pinery,
  Foxfield and Cherry Creek Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Excessive runoff from this storm will cause flash flooding of small
creeks and streams, highways, streets, underpasses, drainage areas
and other low lying spots.

&&

LAT...LON 3962 10490 3962 10489 3964 10489 3965 10488
      3964 10488 3966 10485 3966 10487 3967 10487
      3967 10488 3966 10488 3966 10489 3968 10488
      3968 10487 3960 10472 3958 10470 3945 10474
      3938 10485 3945 10496
PARTITION...408005

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

09

962 
WGUS75 KBOU 230252
FFSBOU

Flash Flood Statement
National Weather Service Denver CO
852 PM MDT Tue Sep 22 2026

COC005-035-230302-
/O.CAN.KBOU.FF.W.0038.000000T0000Z-260923T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Arapahoe CO-Douglas CO-
852 PM MDT Tue Sep 22 2026

...FLASH FLOOD WARNING IS CANCELLED FOR WESTERN ARAPAHOE AND DOUGLAS
COUNTIES...

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

&&

LAT...LON 3962 10490 3962 10489 3964 10489 3965 10488
      3964 10488 3966 10485 3966 10487 3967 10487
      3967 10488 3966 10488 3966 10489 3968 10488
      3968 10487 3960 10472 3958 10470 3945 10474
      3938 10485 3945 10496
PARTITION...408005

$$

09