Alert archive / Colorado / Tornado Warnings in 2014
Tornado Warning 67, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 18, 2014, 8:10 PM MDT for Logan County, Phillips County, Colorado. It was in force for 50 min. 4 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 18, 2014, 8:10 PM MDT (02:10 UTC)
- Expired
- Jun 18, 2014, 9:00 PM MDT
- In force
- 50 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
Counties Logan County, CO, Phillips County, CO
The radar
The Goodland radar (KGLD), 158 km from the middle of the area, began a volume at 02:11 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 18, 8:40 PM MDT | TSTM WND DMG | Haxtun, CO | HIGH THUNDERSTORM WINDS KNOCKED DOWN NUMEROUS TREES AND POWER LINES. |
| Jun 18, 8:40 PM MDT | TSTM WND DMG | Haxtun, CO | HIGH THUNDERSTORM WINDS KNOCKED DOWN NUMEROUS TREES AND POWER LINES. 15 HOMES DAMAGED. |
| Jun 18, 8:55 PM MDT | TSTM WND DMG | 3 E Haxtun, CO | GRAIN BINS DAMAGED. 100 FT TRANSMISSION TOWER TWISTED. |
| Jun 18, 9:00 PM MDT | TSTM WND GST 71 | 4 E Haxtun, CO | DAMAGE TO BARN/STORAGE AREA SOUTH OF LOCATION. SOME TREES DOWN AND POWER OUTAGES. |
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 00:00Z, 2.2 hours before the alert went out and 91 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
- 382 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 2444 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 391 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
062
WFUS55 KBOU 190210
TORBOU
COC075-095-190300-
/O.NEW.KBOU.TO.W.0067.140619T0210Z-140619T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
810 PM MDT WED JUN 18 2014
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN PHILLIPS COUNTY IN NORTHEAST COLORADO...
SOUTHEASTERN LOGAN COUNTY IN NORTHEAST COLORADO...
* UNTIL 900 PM MDT
* AT 809 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 9 MILES WEST OF ST PETERSBURG...OR 15 MILES
SOUTHEAST OF STERLING...MOVING EAST AT 30 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...
HAXTUN...FLEMING...PAOLI...HIGHLAND CENTER...ST PETERSBURG AND
FAIRFIELD.
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 4044 10246 4044 10304 4064 10310 4075 10253
4074 10249
TIME...MOT...LOC 0209Z 251DEG 28KT 4050 10299
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
BARJENBRUCHThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 6:03 PM MDT | Special Weather Statement | BOU | Broomfield | 27 min |
| Jun 18, 6:28 PM MDT | Special Weather Statement | BOU | Denver | 32 min |
| Jun 18, 6:33 PM MDT | Special Weather Statement | BOU | Broomfield | 27 min |
| Jun 18, 6:57 PM MDT | Special Weather Statement | BOU | Broomfield, Denver | 33 min |
| Jun 18, 7:06 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver | 24 min |
| Jun 18, 7:18 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 42 min |
| Jun 18, 7:29 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 46 min |
| Jun 18, 7:33 PM MDT | Special Weather Statement | BOU | Adams | 27 min |
| Jun 18, 7:41 PM MDT | Tornado Warning | BOU | Logan, Washington | 34 min |
| Jun 18, 8:00 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 30 min |
| Jun 18, 8:17 PM MDT | Tornado Warning | BOU | Washington | 28 min |
| Jun 18, 8:40 PM MDT | Tornado Warning | BOU | Washington | 35 min |
| Jun 18, 8:48 PM MDT | Tornado Warning | BOU | Logan, Phillips, Sedgwick | 27 min |
| Jun 18, 9:10 PM MDT | Tornado Warning | BOU | Phillips, Sedgwick | 35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.