Flash Flood Warning 2, NWS Denver/Boulder, CO

Issued

Jun 6, 2012, 8:37 PM MDT (02:37 UTC)

Expired

Jun 6, 2012, 11:30 PM MDT

In force

3 hr

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Flood severity

None

County Douglas County, CO

The Denver radar (KFTG), 46 km from the middle of the area, began a volume at 02:37 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

149 
WGUS55 KBOU 070237
FFWBOU
COC035-070530-
/O.NEW.KBOU.FF.W.0002.120607T0237Z-120607T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
837 PM MDT WED JUN 6 2012

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN DOUGLAS COUNTY IN NORTHEAST COLORADO

* UNTIL 1130 PM MDT

* AT 830 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED VERY HEAVY
  RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 2 MILES
  NORTHEAST OF THE PINERY TO 5 MILES SOUTH OF SEDALIA...OR ALONG A
  LINE EXTENDING FROM 22 MILES SOUTHEAST OF DENVER TO 25 MILES SOUTH
  OF DENVER. THESE STORMS WERE NEARLY STATIONARY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CASTLE
  PINES...THE PINERY...SURREY RIDGE...SEDALIA...CASTLE ROCK AND
  BEVERLY HILLS.

DOPPLER RADAR ESTIMATES THAT 2 TO 2.5 INCHES OF RAIN HAS FALLEN FROM 
THIS STORM IN THE LAST 45 MINUTES. 

AN AUTOMATED RAIN GAUGE 3 MILES NORTHWEST OF CASTLE ROCK RECORDED 
2.09 INCHES IN ONE HOUR. A GAUGE AT THE PINERY RECORDED 1.57 INCHES 
IN AN HOUR...AND SAILIBURY PARK IN CENTRAL DOUGLAS COUNTY RECORDED 
ABOUT AN INCH AND A HALF DURING THE SAME PERIOD. STREET FLOODING WAS 
REPORTED BY THE PUBLIC IN THE AREA.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT WEDNESDAY EVENING
FOR NORTHEASTERN COLORADO.

&&

LAT...LON 3934 10499 3939 10503 3951 10489 3957 10476
      3950 10478 3947 10466 3942 10466 3941 10468

$$


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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.