Alert archive / Colorado / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 113, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 22, 2014, 7:07 PM MDT for Morgan County, Washington County, Colorado. It was in force for 23 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 22, 2014, 7:07 PM MDT (01:07 UTC)
- Expired
- Jun 22, 2014, 7:30 PM MDT
- In force
- 23 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Morgan County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 91 km from the middle of the area, began a volume at 01:09 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 22, 7:07 PM MDT | HAIL 1.5 | N Brush, CO | VERY HEAVY RAIN WITH HAIL |
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 22, 5:56 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 1.1 hours before the alert went out and 41 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
- 117 J/kg
- Mixed-layer CIN
- -141 J/kg
- Mixed-layer LCL
- 2220 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
351
WUUS55 KBOU 230107
SVRBOU
COC087-121-230130-
/O.NEW.KBOU.SV.W.0113.140623T0107Z-140623T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
707 PM MDT SUN JUN 22 2014
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN WASHINGTON COUNTY IN NORTHEAST COLORADO...
SOUTHEASTERN MORGAN COUNTY IN NORTHEAST COLORADO...
* UNTIL 730 PM MDT
* AT 706 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BRUSH...OR 8
MILES EAST OF FORT MORGAN...MOVING SOUTHEAST AT 45 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
FORT MORGAN...BRUSH...HILLROSE...TWELVE-MILE CORNER...GARY...
SNYDER...WOODROW...ADENA SCHOOL AND MIDWAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.
&&
LAT...LON 4033 10348 4026 10332 4015 10322 4004 10322
3989 10338 3997 10370 4000 10371 4000 10381
4001 10385 4012 10384 4021 10381 4037 10366
TIME...MOT...LOC 0106Z 297DEG 38KT 4023 10364
HAIL...1.50IN
WIND...60MPH
$$
RJK1 follow-up statement
902
WWUS55 KBOU 230127
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
727 PM MDT SUN JUN 22 2014
COC087-121-230137-
/O.EXP.KBOU.SV.W.0113.000000T0000Z-140623T0130Z/
WASHINGTON CO-MORGAN CO-
727 PM MDT SUN JUN 22 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASHINGTON AND
SOUTHEASTERN MORGAN COUNTIES WILL EXPIRE AT 730 PM MDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1200 AM MDT
MONDAY MORNING FOR NORTHEASTERN COLORADO.
LAT...LON 4033 10348 4026 10332 4015 10322 4004 10322
3989 10338 3997 10370 4000 10371 4000 10381
4001 10385 4012 10384 4021 10381 4037 10366
TIME...MOT...LOC 0125Z 297DEG 38KT 4023 10364
$$
RJKThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 6:03 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 27 min |
| Jun 22, 6:07 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 23 min |
| Jun 22, 6:16 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 29 min |
| Jun 22, 6:40 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 35 min |
| Jun 22, 7:08 PM MDT | Areal Flood Advisory | BOU | Morgan | 97 min |
| Jun 22, 7:45 PM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| Jun 22, 8:12 PM MDT | Areal Flood Advisory | BOU | Washington | 93 min |
| Jun 23, 3:40 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 35 min |
| Jun 23, 4:11 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 34 min |
| Jun 23, 4:40 PM MDT | Tornado Warning | BOU | Elbert | 14 min |
| Jun 23, 4:46 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Jefferson | 29 min |
| Jun 23, 5:07 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 23 min |
| Jun 23, 5:31 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 29 min |
| Jun 23, 5:57 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 16 min |
| Jun 23, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 32 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2014Every severe thunderstorm warning 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.