Alert archive / Colorado / Tornado Warnings in 2014
Tornado Warning 50, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 8, 2014, 12:36 PM MDT for Douglas County, Colorado. It was in force for 24 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, 12:36 PM MDT (18:36 UTC)
- Expired
- Jun 8, 2014, 1:00 PM MDT
- In force
- 24 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Douglas County, CO
The radar
The Denver radar (KFTG), 65 km from the middle of the area, began a volume at 18:38 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 8, 12:19 PM MDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 6.6 hours before the alert went out and 166 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
068
WFUS55 KBOU 081836
TORBOU
COC035-081900-
/O.NEW.KBOU.TO.W.0050.140608T1836Z-140608T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
1236 PM MDT SUN JUN 8 2014
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL DOUGLAS COUNTY IN NORTHEAST COLORADO...
* UNTIL 100 PM MDT
* AT 1235 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR SPRUCEWOOD...OR 25 MILES SOUTH OF
DENVER...MOVING EAST AT 10 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...
CASTLE ROCK...ROXBOROUGH PARK...LARKSPUR...DEVILS HEAD...
SPRUCEWOOD...PERRY PARK AND SEDALIA.
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 3925 10518 3943 10514 3946 10512 3945 10483
3923 10485
TIME...MOT...LOC 1835Z 292DEG 10KT 3937 10509
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
RPK1 follow-up statement
798
WWUS55 KBOU 081851
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1251 PM MDT SUN JUN 8 2014
COC035-081900-
/O.CON.KBOU.TO.W.0050.000000T0000Z-140608T1900Z/
DOUGLAS CO-
1251 PM MDT SUN JUN 8 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM MDT FOR CENTRAL
DOUGLAS COUNTY...
AT 1251 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTH OF PERRY PARK...OR 26 MILES SOUTH OF
DENVER...MOVING SOUTHEAST AT 20 MPH.
HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
CASTLE ROCK...ROXBOROUGH PARK...LARKSPUR...DEVILS HEAD...
SPRUCEWOOD...PERRY PARK AND SEDALIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3925 10518 3943 10514 3946 10512 3945 10483
3923 10485
TIME...MOT...LOC 1851Z 293DEG 16KT 3934 10500
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
RPKThe 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, 12:42 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas | 33 min |
| Jun 8, 12:45 PM MDT | Tornado Warning | BOU | Park | 15 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, 2014Every tornado warning in 2014Tornadoes 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.