Alert archive / Colorado / Tornado Warnings in 2016
Tornado Warning 18, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 27, 2016, 4:08 PM MDT for Logan County, Washington County, Colorado. It was in force for 37 min. 1 report 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 27, 2016, 4:08 PM MDT (22:08 UTC)
- Expired
- Jun 27, 2016, 4:45 PM MDT
- In force
- 37 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
Counties Logan County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 126 km from the middle of the area, began a volume at 22:12 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 27, 4:14 PM MDT | HAIL 1.75 | 4 Ese Merino, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 27, 1:22 PM MDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.1 hours before the alert went out and 60 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
- 25 J/kg
- Mixed-layer CIN
- -288 J/kg
- Mixed-layer LCL
- 2551 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
767
WFUS55 KBOU 272208
TORBOU
COC075-121-272245-
/O.NEW.KBOU.TO.W.0018.160627T2208Z-160627T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
408 PM MDT MON JUN 27 2016
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL WASHINGTON COUNTY IN NORTHEASTERN COLORADO...
SOUTH CENTRAL LOGAN COUNTY IN NORTHEASTERN COLORADO...
* UNTIL 445 PM MDT
* AT 408 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 7 MILES EAST OF PREWITT RESERVOIR...OR 14
MILES SOUTH OF STERLING...MOVING SOUTH AT 25 MPH.
HAZARD...TORNADO AND GOLF BALL 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...
MERINO...PREWITT RESERVOIR AND ATWOOD.
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 OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4051 10346 4055 10310 4024 10306 4024 10344
TIME...MOT...LOC 2208Z 357DEG 23KT 4045 10322
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
MEIER2 follow-up statements
189
WWUS55 KBOU 272227
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
427 PM MDT MON JUN 27 2016
COC075-272236-
/O.CAN.KBOU.TO.W.0018.000000T0000Z-160627T2245Z/
LOGAN CO-
427 PM MDT MON JUN 27 2016
...THE TORNADO WARNING FOR SOUTH CENTRAL LOGAN COUNTY IS CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN
COLORADO.
LAT...LON 4043 10345 4043 10309 4024 10306 4024 10344
TIME...MOT...LOC 2226Z 352DEG 22KT 4030 10341
$$
COC121-272245-
/O.CON.KBOU.TO.W.0018.000000T0000Z-160627T2245Z/
WASHINGTON CO-
427 PM MDT MON JUN 27 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM MDT FOR NORTH
CENTRAL WASHINGTON COUNTY...
AT 426 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTH OF MIDWAY...OR 13 MILES NORTHWEST OF
AKRON... MOVING SOUTH AT 25 MPH.
HAZARD...TORNADO AND GOLF BALL 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...
PREWITT RESERVOIR.
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 OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4043 10345 4043 10309 4024 10306 4024 10344
TIME...MOT...LOC 2226Z 352DEG 22KT 4030 10341
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
MEIER798
WWUS55 KBOU 272246
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
446 PM MDT MON JUN 27 2016
COC121-272255-
/O.EXP.KBOU.TO.W.0018.000000T0000Z-160627T2245Z/
WASHINGTON CO-
446 PM MDT MON JUN 27 2016
...THE TORNADO WARNING FOR NORTH CENTRAL WASHINGTON COUNTY HAS
EXPIRED...
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING HAS BEEN
CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY AND
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN
COLORADO.
LAT...LON 4043 10345 4043 10309 4024 10306 4024 10344
TIME...MOT...LOC 2244Z 357DEG 23KT 4030 10341
$$
MEIERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 6:05 PM MDT | Special Weather Statement | BOU | Phillips | 25 min |
| Jun 26, 6:13 PM MDT | Special Weather Statement | BOU | Washington | 32 min |
| Jun 26, 6:28 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 32 min |
| Jun 26, 6:44 PM MDT | Special Weather Statement | BOU | Denver | 31 min |
| Jun 26, 6:59 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 31 min |
| Jun 26, 7:27 PM MDT | Special Weather Statement | BOU | Denver | 33 min |
| Jun 26, 7:35 PM MDT | Special Weather Statement | BOU | Adams | 40 min |
| Jun 26, 7:40 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 35 min |
| Jun 26, 10:06 PM MDT | Special Weather Statement | BOU | Washington | 39 min |
| Jun 26, 10:21 PM MDT | Special Weather Statement | BOU | Morgan | 24 min |
| Jun 26, 10:40 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 35 min |
| Jun 26, 11:13 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 32 min |
| Jun 27, 12:25 AM MDT | Special Weather Statement | BOU | Morgan | 50 min |
| Jun 27, 12:34 AM MDT | Severe Thunderstorm Warning | BOU | Morgan | 26 min |
| Jun 27, 1:11 AM MDT | Special Weather Statement | BOU | Morgan | 49 min |
| Jun 27, 3:38 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 37 min |
| Jun 27, 4:22 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 38 min |
| Jun 27, 4:22 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 53 min |
| Jun 27, 4:39 PM MDT | Tornado Warning | BOU | Phillips, Sedgwick | 51 min |
| Jun 27, 4:41 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 34 min |
| Jun 27, 4:48 PM MDT | Tornado Warning | BOU | Phillips, Sedgwick | 27 min |
| Jun 27, 5:13 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 47 min |
| Jun 27, 5:27 PM MDT | Tornado Warning | BOU | Phillips | 33 min |
| Jun 27, 5:54 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 36 min |
Nearby
Tornado Warnings in Colorado, 2016Every tornado warning in 2016Tornadoes in 2016
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.