Flash Flood Warning 13, NWS Denver/Boulder, CO

Issued

Jul 12, 2011, 7:19 PM MDT (01:19 UTC)

Expired

Jul 12, 2011, 8:50 PM MDT

In force

91 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Flood severity

None

Counties Arapahoe County, CO, Elbert County, CO

The Denver radar (KFTG), 54 km from the middle of the area, began a volume at 01:21 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.

891 
WGUS55 KBOU 130119
FFWBOU
COC005-039-130415-
/O.NEW.KBOU.FF.W.0013.110713T0119Z-110713T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
719 PM MDT TUE JUL 12 2011

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN ELBERT COUNTY IN EAST CENTRAL COLORADO
  SOUTH CENTRAL ARAPAHOE COUNTY IN NORTHEAST COLORADO

* UNTIL 1015 PM MDT

* AT 713 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM 9 MILES WEST OF AGATE...OR 26
  MILES NORTHWEST OF LIMON. THIS STORM WAS MOVING SOUTHEAST AT 10
  MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AGATE.

DOPPLER RADAR ESTIMATES THAT AROUND 3 INCHES OF RAIN HAS FALLEN 
ABOUT 10 MILES SOUTH OF BYERS.  THE STORM RESPONSIBLE FOR THIS 
VERY HEAVY RAIN HAS NOW TURNED EAST AND IS EXPECTED TO MOVE
THROUGH NORTHEASTERN ELBERT COUNTY TOWARD AGATE AND DEER TRAIL.
THIS STORM WILL PRODUCE UP TO 2 INCHES OF RAIN IN 30 MINUTES.

THIS FLASH FLOOD WARNING REPLACES THE EARLIER FLASH FLOOD WARNING
THAT WAS IN EFFECT FOR NORTH CENTRAL ELBERT AND SOUTH CENTRAL 
ARAPAHOE COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. TURN AROUND...DO NOT DROWN.

THIS FLASH FLOOD WARNING INCLUDES RATTLESNAKE CREEK...WEST BIJOU
CREEK...MIDDLE BIJOU CREEK...WILSON CREEK...AND EAST BIJOU CREEK.

&&

LAT...LON 3956 10393 3957 10377 3922 10379 3942 10430
      3964 10432 3964 10413

$$
BARJENBRUCH

584 
WGUS75 KBOU 130218
FFSBOU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
818 PM MDT TUE JUL 12 2011

COC005-039-130415-
/O.CON.KBOU.FF.W.0013.000000T0000Z-110713T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ELBERT CO-ARAPAHOE CO-
818 PM MDT TUE JUL 12 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM MDT FOR
SOUTH CENTRAL ARAPAHOE AND NORTH CENTRAL ELBERT COUNTIES...

AT 809 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY
HEAVY RAIN CONTINUING FROM THUNDERSTORMS OVER NORTH CENTRAL ELBERT 
COUNTY...OR ABOUT 32 MILES NORTHWEST OF LIMON. THESE STORMS WERE 
MOVING NEARLY STATIONARY.

DOPPLER RADAR ESTIMATES THAT 3 TO 4 INCHES OF RAIN HAS FALLEN IN 
AREA CENTERED 15 MILES WEST OF AGATE. THE STORMS PRODUCING VERY 
HEAVY RAIN WILL REMAIN OVER MAINLY RURAL AREAS OF THE WARNED 
COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO
ESCAPE RISING WATER CLIMB TO HIGHER GROUND.

&&

LAT...LON 3956 10393 3938 10415 3942 10430 3964 10432
      3964 10413

$$

264 
WGUS75 KBOU 130250
FFSBOU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
850 PM MDT TUE JUL 12 2011

COC005-039-130259-
/O.CAN.KBOU.FF.W.0013.000000T0000Z-110713T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ELBERT CO-ARAPAHOE CO-
850 PM MDT TUE JUL 12 2011

...THIS FLASH FLOOD WARNING FOR SOUTH CENTRAL ARAPAHOE AND NORTH 
CENTRAL ELBERT COUNTIES HAS BEEN REPLACED AND EXPANDED BY A FLASH 
FLOOD WARNING COVERING NORTHWEST ELBERT COUNTY THROUGH SOUTH CENTRAL 
ARAPAHOE COUNTY...

LAT...LON 3956 10393 3938 10415 3942 10430 3964 10432
      3964 10413

$$

Flash Flood Warnings in Colorado, 2011Every flash flood warning in 2011

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.