Severe Thunderstorm Warning 33, NWS Denver/Boulder, CO

Issued

Jun 6, 2012, 7:43 PM MDT (01:43 UTC)

Expired

Jun 6, 2012, 8:30 PM MDT

In force

47 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Hail

1.5 in

Wind

50.0 mph

County Weld County, CO

The Cheyenne radar (KCYS), 67 km from the middle of the area, began a volume at 01:44 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.

881 
WUUS55 KBOU 070143
SVRBOU
COC123-070230-
/O.NEW.KBOU.SV.W.0033.120607T0143Z-120607T0230Z/

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

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WELD COUNTY IN NORTHEAST COLORADO

* UNTIL 830 PM MDT

* AT 743 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
  THIS STORM WAS LOCATED OVER CENTRAL WELD COUNTY...OR 33 MILES
  NORTHEAST OF GREELEY...MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF THE
  WARNED COUNTY.

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 YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

&&

LAT...LON 4089 10421 4078 10400 4063 10418 4070 10434
TIME...MOT...LOC 0143Z 224DEG 13KT 4071 10423
WIND...HAIL <50MPH 1.50IN

$$


BAKER

492 
WWUS55 KBOU 070221
SVSBOU

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

COC123-070230-
/O.CON.KBOU.SV.W.0033.000000T0000Z-120607T0230Z/
WELD CO-
821 PM MDT WED JUN 6 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM MDT
FOR CENTRAL WELD COUNTY...

AT 819 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH 
DIAMETER HAIL. THIS STORM WAS LOCATED 7 MILES SOUTHEAST OF GROVER... 
OR 40 MILES NORTHWEST OF FORT MORGAN...MOVING NORTHEAST AT 15 MPH.

LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GROVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

&&

LAT...LON 4089 10421 4078 10400 4063 10418 4070 10434
TIME...MOT...LOC 0219Z 224DEG 13KT 4080 10411
WIND...HAIL <50MPH 1.00IN

$$


BAKER

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.