Golden/Denver Heavy Rains Coming

[jonny water]

1.5 inches of rain have already fallen west of Golden and heavy rains are forcast. Possible jumps on local creeks and rivers should follow.

[JBL]

Flash Flood Warning

FLASH FLOOD WARNING
COC059-032245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
147 PM MDT THU AUG 3 2006

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
NORTH CENTRAL JEFFERSON COUNTY IN NORTHEAST COLORADO

* UNTIL 445 PM MDT

* AT 147 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM NEAR WHITE RANCH OPEN SPACE...
OR ABOUT 18 MILES NORTHWEST OF DENVER. THIS STORM WAS MOVING EAST
AT 5 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITE RANCH
OPEN SPACE...NORTHWESTERN WHEAT RIDGE...WEST CENTRAL WESTMINSTER...
NORTHWESTERN GOLDEN AND WESTERN ARVADA.

DOPPLER RADAR ESTIMATES THAT AROUND 2 INCHES OF RAIN HAS FALLEN FROM
THIS STORM IN THE LAST 40 MINUTES. AUTOMATED RAIN GAGES TO THE EAST
OF THE HEAVY RAINFALL AREA HAVE MEASURED 1.49 INCHES OF RAIN IN THE
PAST HOUR.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS
AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK SLIDES OR MUD FLOWS IN STEEP TERRAIN.

[COUNT]

I was on Clear Creek just after the torrential downpour stopped and it had not affected the level at all. What the hell happened? How long does it typically take such events to reach the rivers? Any chance this will make Lefthand or Bear go tomorrow evening?

COUNT

[Cutch]

Read the article in last summer's LVM zine. Ground water acts like a spunge. Water only makes it to the river if the spunge is already full.