Alert archive / Colorado / Tornado Warnings in 2014

Tornado Warning 51, NWS Denver/Boulder, CO

June 8, 2014Park County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Jun 8, 2014, 12:45 PM MDT for Park County, Colorado. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 8, 2014, 12:45 PM MDT (18:45 UTC)
Expired: Jun 8, 2014, 1:00 PM MDT
In force: 15 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Park County, CO

The radar

The Denver radar (KFTG), 112 km from the middle of the area, began a volume at 18:48 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.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 6.8 hours before the alert went out and 207 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 430 J/kg
Mixed-layer CIN: -348 J/kg
Mixed-layer LCL: 924 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

169 
WFUS55 KBOU 081845
TORBOU
COC093-081900-
/O.NEW.KBOU.TO.W.0051.140608T1845Z-140608T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
1245 PM MDT SUN JUN 8 2014

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL PARK COUNTY IN CENTRAL COLORADO...

* UNTIL 100 PM MDT
    
* AT 1244 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR LAKE GEORGE...OR 29 MILES WEST OF COLORADO
  SPRINGS...MOVING EAST AT 15 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  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...
  LAKE GEORGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3908 10539 3908 10533 3890 10533 3890 10542
TIME...MOT...LOC 1844Z 270DEG 12KT 3899 10534 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RPK

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 12:23 PM MDT	Tornado Warning	BOU	Park	22 min
Jun 8, 12:36 PM MDT	Tornado Warning	BOU	Douglas	24 min
Jun 8, 12:42 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Douglas	33 min
Jun 8, 12:49 PM MDT	Tornado Warning	BOU	Arapahoe, Douglas	26 min
Jun 8, 12:53 PM MDT	Tornado Warning	BOU	Weld	37 min
Jun 8, 1:00 PM MDT	Tornado Warning	BOU	Weld	30 min
Jun 8, 1:07 PM MDT	Tornado Warning	BOU	Adams	23 min
Jun 8, 1:09 PM MDT	Tornado Warning	BOU	Douglas	36 min
Jun 8, 1:20 PM MDT	Tornado Warning	BOU	Arapahoe, Elbert	25 min
Jun 8, 1:25 PM MDT	Tornado Warning	BOU	Weld	35 min
Jun 8, 1:27 PM MDT	Tornado Warning	BOU	Morgan, Weld	33 min
Jun 8, 1:34 PM MDT	Tornado Warning	BOU	Adams	26 min
Jun 8, 1:43 PM MDT	Tornado Warning	BOU	Arapahoe, Elbert	32 min
Jun 8, 1:59 PM MDT	Tornado Warning	BOU	Weld	31 min
Jun 8, 2:12 PM MDT	Tornado Warning	BOU	Adams, Arapahoe, Elbert	33 min
Jun 8, 2:38 PM MDT	Flash Flood Warning	BOU	Morgan, Weld	3 hr
Jun 8, 2:46 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe, Washington	29 min
Jun 8, 3:08 PM MDT	Severe Thunderstorm Warning	BOU	Washington	37 min

Nearby

Tornado Warnings in Colorado, 2014 Every tornado warning in 2014 Tornadoes in 2014

Sources

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.