Tornado Warning 29, NWS Denver/Boulder, CO

Issued

Jun 4, 2015, 7:03 PM MDT (01:03 UTC)

Expired

Jun 4, 2015, 7:30 PM MDT

In force

27 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Tornado

Observed

Hail

1.25 in

Counties Boulder County, CO, Larimer County, CO

The Denver radar (KFTG), 76 km from the middle of the area, began a volume at 01:05 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.

358 
WFUS55 KBOU 050103
TORBOU
COC013-069-050130-
/O.NEW.KBOU.TO.W.0029.150605T0103Z-150605T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
703 PM MDT THU JUN 4 2015

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LARIMER COUNTY IN NORTH CENTRAL COLORADO...
  NORTHEASTERN BOULDER COUNTY IN CENTRAL COLORADO...

* UNTIL 730 PM MDT

* AT 702 PM MDT...A CONFIRMED TORNADO WAS LOCATED 5 MILES NORTHEAST
  OF LYONS...OR 21 MILES SOUTH OF FORT COLLINS...MOVING WEST AT 15
  MPH.

  HAZARD...DAMAGING TORNADO AND HALF DOLLAR SIZE HAIL. 

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. NO RECENT REPORTS OF 
A TORNADO HAVE BEEN RECEIVED...BUT IT IS POSSIBLE FOR A TORNADO TO 
DEVELOP. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  LONGMONT...SOUTHERN LOVELAND...BERTHOUD AND LYONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4037 10505 4035 10505 4035 10506 4034 10505
      4017 10506 4014 10531 4038 10529
TIME...MOT...LOC 0102Z 068DEG 11KT 4026 10519 

TORNADO...OBSERVED
HAIL...1.25IN

$$

DANKERS

498 
WWUS55 KBOU 050129
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
729 PM MDT THU JUN 4 2015

COC013-069-050137-
/O.EXP.KBOU.TO.W.0029.000000T0000Z-150605T0130Z/
LARIMER CO-BOULDER CO-
729 PM MDT THU JUN 4 2015

...THE TORNADO WARNING FOR SOUTHEASTERN LARIMER AND NORTHEASTERN
BOULDER COUNTIES WILL EXPIRE AT 730 PM MDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER HEAVY RAIN 
IS STILL OCCURRING WITH THIS THUNDERSTORM. A FLASH FLOOD WARNING 
REMAINS IN EFFECT FOR SOUTHEAST LARIMER AND NORTHEAST BOULDER 
COUNTIES UNTIL 1015 PM MDT. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT FOR NORTHEASTERN
COLORADO.

LAT...LON 4037 10505 4035 10505 4035 10506 4034 10505
      4017 10506 4014 10531 4038 10529
TIME...MOT...LOC 0125Z 068DEG 11KT 4026 10519 

$$

DANKERS

Tornado Warnings in Colorado, 2015Every tornado warning in 2015Tornadoes in 2015

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.