Flash Flood Warning 14, NWS Denver/Boulder, CO

Issued

Jul 6, 2012, 9:06 PM MDT (03:06 UTC)

Expired

Jul 6, 2012, 10:43 PM MDT

In force

97 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Flood severity

None

County Boulder County, CO

The Denver radar (KFTG), 76 km from the middle of the area, began a volume at 03:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

984 
WGUS55 KBOU 070306
FFWBOU
COC013-070600-
/O.NEW.KBOU.FF.W.0014.120707T0306Z-120707T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
906 PM MDT FRI JUL 6 2012

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL BOULDER COUNTY IN NORTHEAST COLORADO

* UNTIL MIDNIGHT MDT

* AT 903 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM 7 MILES SOUTH OF ORODELL...OR
  22 MILES NORTHWEST OF DENVER. THIS STORM WAS MOVING NORTHWEST AT 15
  MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WALLSTREET...SUNSHINE...SUMMERVILLE...SALINA...ORODELL...CRISMAN
  AND GOLD HILL.

AUTOMATED RAIN GAUGES ESTIMATES IN NORTHERN JEFFERSON COUNTY SHOW  
RAIN FROM THE STORMS IN THE AREA HAS BEEN FALLING AT A RATE OF 0.50 
TO 1 INCHES PER HOUR. 

THESE STORMS ARE EXPECTED TO MOVE INTO THE FLAGSTAFF AND FOUR MILE 
BURN AREAS WITHIN THE HOUR.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A LIFE THREATENING SITUATION FOR PEOPLE ALONG BOULDER CREEK
IN THE CITY OF BOULDER...IN THE FOURMILE BURN AREA...AND IN BOULDER
CANYON. HEAVY RAINFALL WILL CAUSE EXTENSIVE AND SEVERE FLASH FLOODING
OF CREEKS AND STREAMS FROM THE FOURMILE BURN AREA DOWNSTREAM THROUGH
THE CITY OF BOULDER. SOME DRAINAGE BASINS IMPACTED INCLUDE BOULDER
CREEK...FOURMILE CREEK...GOLD RUN...FOURMILE CANYON CREEK...AND
WONDERLAND CREEK. SEVERE DEBRIS FLOWS CAN ALSO BE ANTICIPATED ACROSS
ROADS. ROADWAYS AND BRIDGES MAY BE WASHED AWAY IN PLACES. IF YOU
ENCOUNTER FLOOD WATERS...CLIMB TO SAFETY.

&&

LAT...LON 4007 10544 4009 10533 3994 10531 3993 10539

$$

069 
WGUS75 KBOU 070443
FFSBOU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1043 PM MDT FRI JUL 6 2012

COC013-070448-
/O.CAN.KBOU.FF.W.0014.000000T0000Z-120707T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOULDER CO-
1043 PM MDT FRI JUL 6 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL BOULDER
COUNTY...

THE STORM AND HEAVY RAINFALL THAT PROMPTED THE WARNING FOR THE 
FOURMILE BURN AREA IN CENTRAL BOULDER COUNTY HAS MOVED NORTH OF 
THE AREA.

DOPPLER RADAR ESTIMATES THAT UP TO A QUARTER INCH OF RAIN FELL ON 
PORTIONS OF THE FOUR MILE BURN AREA IN THE PAST HOUR. THERE WAS NO 
REPORTS OF FLOODING IN THE BURN AREA AT THIS TIME.   

LAT...LON 4007 10544 4009 10533 3994 10531 3993 10539

$$


BAKER

Flash Flood Warnings in Colorado, 2012Every flash flood warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.