Severe Thunderstorm Warning 36, NWS Denver/Boulder, CO

Issued

Jun 6, 2012, 9:00 PM MDT (03:00 UTC)

Expired

Jun 6, 2012, 9:45 PM MDT

In force

45 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Hail

1.5 in

Wind

60.0 mph

Counties Arapahoe County, CO, Douglas County, CO, Elbert County, CO

The Denver radar (KFTG), 33 km from the middle of the area, began a volume at 03:00 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.

818 
WUUS55 KBOU 070300
SVRBOU
COC005-035-039-070345-
/O.NEW.KBOU.SV.W.0036.120607T0300Z-120607T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
900 PM MDT WED JUN 6 2012

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ELBERT COUNTY IN EAST CENTRAL COLORADO
  NORTHEASTERN DOUGLAS COUNTY IN NORTHEAST COLORADO
  SOUTH CENTRAL ARAPAHOE COUNTY IN NORTHEAST COLORADO

* UNTIL 945 PM MDT

* AT 859 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PING PONG BALL 
  SIZE HAIL...AND DAMAGING WINDS UP TO ABOUT 60 MPH.  THIS LINE      
  EXTENDED FROM NEAR CASTLE ROCK TO PARKER AND WAS MOVING SLOWLY     
  NORTHEAST AT 5 MPH.


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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 58 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

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

&&

LAT...LON 3967 10461 3951 10450 3933 10491 3946 10500
TIME...MOT...LOC 0259Z 229DEG 14KT 3953 10465
WIND...HAIL 60MPH 1.50IN

$$

345 
WWUS55 KBOU 070320
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
920 PM MDT WED JUN 6 2012

COC005-035-039-070345-
/O.CON.KBOU.SV.W.0036.000000T0000Z-120607T0345Z/
ELBERT CO-DOUGLAS CO-ARAPAHOE CO-
920 PM MDT WED JUN 6 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM MDT
FOR SOUTH CENTRAL ARAPAHOE...NORTHEASTERN DOUGLAS AND NORTHWESTERN
ELBERT COUNTIES...

AT 919 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING HALF DOLLAR SIZE 
HAIL...AND DAMAGING WINDS UP TO ABOUT 60 MPH.  THIS LINE EXTENDED 
FROM NORTH OF CASTLE ROCK TO NORTHEAST OF PARKER...AND WAS MOVING  
NORTHEAST AT 10 MPH.

LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CASTLE PINES...THE PINERY...SURREY RIDGE...SEDALIA...PARKER...CASTLE
ROCK...BEVERLY HILLS...SOUTHEASTERN CENTENNIAL AND SOUTHERN AURORA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER 
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN 
EXCESS OF 58 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT WEDNESDAY EVENING
FOR NORTHEASTERN COLORADO.

&&

LAT...LON 3967 10461 3951 10450 3933 10491 3946 10500
TIME...MOT...LOC 0319Z 229DEG 14KT 3958 10457
WIND...HAIL 60MPH 1.25IN

$$

619 
WWUS55 KBOU 070343
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
943 PM MDT WED JUN 6 2012

COC005-035-039-070353-
/O.EXP.KBOU.SV.W.0036.000000T0000Z-120607T0345Z/
ELBERT CO-DOUGLAS CO-ARAPAHOE CO-
943 PM MDT WED JUN 6 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ARAPAHOE...
NORTHEASTERN DOUGLAS AND NORTHWESTERN ELBERT COUNTIES WILL EXPIRE AT
945 PM MDT...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT WEDNESDAY EVENING
FOR NORTHEASTERN COLORADO.

LAT...LON 3967 10461 3951 10450 3933 10491 3946 10500
TIME...MOT...LOC 0343Z 229DEG 14KT 3964 10448

$$

Severe Thunderstorm Warnings in Colorado, 2012Every severe thunderstorm 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.