Alert archive / Colorado / Tornado Warnings in 2016
Tornado Warning 29, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Sep 3, 2016, 7:00 PM MDT for Washington County, Colorado. It was in force for 27 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
- Sep 3, 2016, 7:00 PM MDT (01:00 UTC)
- Expired
- Sep 3, 2016, 7:27 PM MDT
- In force
- 27 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Washington County, CO
The radar
The Goodland radar (KGLD), 123 km from the middle of the area, began a volume at 01:04 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 00:00Z, 1.0 hours before the alert went out and 31 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
- 14 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 2768 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
246
WFUS55 KBOU 040100
TORBOU
COC121-040145-
/O.NEW.KBOU.TO.W.0029.160904T0100Z-160904T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
700 PM MDT SAT SEP 3 2016
THE NATIONAL WEATHER SERVICE IN DENVER COLORADO HAS ISSUED A
* TORNADO WARNING FOR...
EAST CENTRAL WASHINGTON COUNTY IN NORTHEASTERN COLORADO...
* UNTIL 745 PM MDT
* AT 659 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 8 MILES SOUTH OF PLATNER...OR 12 MILES
SOUTHEAST OF AKRON...MOVING SOUTHEAST AT 25 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.
* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
EAST CENTRAL WASHINGTON COUNTY.
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 4000 10280 3978 10280 3994 10319 4014 10308
4002 10279 4000 10279
TIME...MOT...LOC 0059Z 296DEG 23KT 4003 10305
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
MEIER1 follow-up statement
737
WWUS55 KBOU 040127
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
727 PM MDT SAT SEP 3 2016
COC121-040137-
/O.CAN.KBOU.TO.W.0029.000000T0000Z-160904T0145Z/
WASHINGTON CO-
727 PM MDT SAT SEP 3 2016
...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER SMALL HAIL...GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4000 10280 3978 10280 3994 10319 4014 10308
4002 10279 4000 10279
TIME...MOT...LOC 0124Z 296DEG 23KT 3995 10284
$$
MEIERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 6:07 PM MDT | Special Weather Statement | BOU | Morgan | 38 min |
| Sep 3, 6:09 PM MDT | Special Weather Statement | BOU | Washington | 51 min |
| Sep 3, 6:18 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 42 min |
| Sep 3, 6:26 PM MDT | Tornado Warning | BOU | Washington | 34 min |
| Sep 3, 6:27 PM MDT | Tornado Warning | BOU | Washington | 33 min |
| Sep 3, 7:35 PM MDT | Special Weather Statement | BOU | Washington | 25 min |
| Sep 4, 2:10 AM MDT | Special Weather Statement | BOU | Sedgwick | 35 min |
| Sep 4, 4:05 PM MDT | Special Weather Statement | BOU | Broomfield | 40 min |
| Sep 4, 4:12 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 48 min |
| Sep 4, 4:28 PM MDT | Special Weather Statement | BOU | Weld | 47 min |
| Sep 4, 4:42 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 29 min |
| Sep 4, 5:06 PM MDT | Special Weather Statement | BOU | Morgan | 39 min |
| Sep 4, 5:27 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 48 min |
| Sep 4, 5:36 PM MDT | Tornado Warning | BOU | Morgan, Washington | 15 min |
| Sep 4, 5:55 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 18 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.