Alert archive / Colorado / Tornado Warnings in 2015
Tornado Warning 40, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 6, 2015, 3:59 PM MDT for Lincoln County, Washington County, Colorado. It was in force for 31 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 6, 2015, 3:59 PM MDT (21:59 UTC)
- Expired
- Jun 6, 2015, 4:30 PM MDT
- In force
- 31 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
Counties Lincoln County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 114 km from the middle of the area, began a volume at 22:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 4:35 PM MDT | TORNADO | 3 S Thurman, CO | UPDATED ON 06/08/15 WITH DAMAGE REPORT. ELECTRICAL LINES/POLES DOWN NORTHEAST OF SHAW. EVIDENCE OF WATER FLOWING OVER A BRIDGE IN THE AREA SUGGESTING WATER DEPTH ABOUT 15 FEET. |
| Jun 6, 4:35 PM MDT | TORNADO | 3 S Thurman, CO | TORNADO IN OPEN FIELD WITH NO REPORTED DAMAGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.0 hours before the alert went out and 35 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1624 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
966
WFUS55 KBOU 062159
TORBOU
COC073-121-062230-
/O.NEW.KBOU.TO.W.0040.150606T2159Z-150606T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
359 PM MDT SAT JUN 6 2015
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN LINCOLN COUNTY IN EAST CENTRAL COLORADO...
SOUTH CENTRAL WASHINGTON COUNTY IN NORTHEASTERN COLORADO...
* UNTIL 430 PM MDT
* AT 358 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 13 MILES SOUTH OF LINDON...OR 21 MILES
NORTHEAST OF LIMON...MOVING EAST AT 35 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...
THURMAN.
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 YOU ARE IN A MOBILE
HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3957 10316 3940 10316 3946 10364 3964 10362
3969 10299 3957 10299
TIME...MOT...LOC 2158Z 272DEG 30KT 3954 10349
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
DANKERS1 follow-up statement
426
WWUS55 KBOU 062210
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
410 PM MDT SAT JUN 6 2015
COC073-121-062230-
/O.CON.KBOU.TO.W.0040.000000T0000Z-150606T2230Z/
LINCOLN CO-WASHINGTON CO-
410 PM MDT SAT JUN 6 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR
NORTHEASTERN LINCOLN AND SOUTH CENTRAL WASHINGTON COUNTIES...
AT 407 PM MDT...A CONFIRMED TORNADO WAS LOCATED 9 MILES SOUTHWEST OF
THURMAN...OR 23 MILES NORTHWEST OF FLAGLER...MOVING EAST AT 35 MPH.
HAZARD...DAMAGING TORNADO AND HALF DOLLAR SIZE HAIL.
SOURCE...AN UNTRAINED SPOTTER WEST OF COPE REPORTED A BRIEF TORNADO
OVER SOUTHERN WASHINGTON COUNTY AT 405 PM MDT.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
THURMAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3957 10316 3940 10316 3946 10364 3964 10362
3969 10299 3957 10299
TIME...MOT...LOC 2207Z 272DEG 30KT 3954 10338
TORNADO...OBSERVED
HAIL...1.25IN
$$
DANKERSThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 8:50 PM MDT | Special Weather Statement | BOU | Denver, Douglas | 25 min |
| Jun 5, 9:11 PM MDT | Areal Flood Advisory | BOU | Adams, Arapahoe, Denver, Douglas, Jefferson | 94 min |
| Jun 5, 9:20 PM MDT | Special Weather Statement | BOU | Denver | 25 min |
| Jun 6, 10:14 AM MDT | River Flood Advisory | BOU | Adams | 30 hr |
| Jun 6, 2:20 PM MDT | Special Weather Statement | BOU | Denver | 40 min |
| Jun 6, 3:48 PM MDT | Special Weather Statement | BOU | Washington | 42 min |
| Jun 6, 4:04 PM MDT | Tornado Warning | BOU | Morgan | 26 min |
| Jun 6, 4:29 PM MDT | Tornado Warning | BOU | Washington | 31 min |
| Jun 6, 5:29 PM MDT | Special Weather Statement | BOU | Lincoln | 46 min |
Nearby
Tornado Warnings in Colorado, 2015Every tornado warning in 2015Tornadoes in 2015
Sources
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.