Alert archive / Utah / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 13, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 12, 2014, 6:28 PM MDT for Rich County, Summit County, Utah; Uinta County, Wyoming. It was in force for 32 min. 3 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 12, 2014, 6:28 PM MDT (00:28 UTC)
- Expired
- Jun 12, 2014, 7:00 PM MDT
- In force
- 32 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
Counties Rich County, UT, Summit County, UT, Uinta County, WY
The radar
The Salt Lake City radar (KMTX), 134 km from the middle of the area, began a volume at 00:31 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 12, 6:35 PM MDT | TSTM WND GST 60 | Evanston, WY | EVANSTON ASOS |
| Jun 12, 6:40 PM MDT | NON-TSTM WND GST 61 | Bear River, UT | SR-16 @ MP1 - 6533 FT |
| Jun 12, 6:45 PM MDT | NON-TSTM WND GST 60 | Evanston, WY | EVANSTON - BURNS FIELD - 7162 FT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 0.5 hours before the alert went out and 106 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
- 3606 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
618
WUUS55 KSLC 130028
SVRSLC
UTC033-043-WYC041-130100-
/O.NEW.KSLC.SV.W.0013.140613T0028Z-140613T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
628 PM MDT THU JUN 12 2014
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL SUMMIT COUNTY IN UTAH...
SOUTHEASTERN RICH COUNTY IN UTAH...
WESTERN UINTA COUNTY IN SOUTHWEST WYOMING...
* UNTIL 700 PM MDT
* AT 626 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED 8 MILES WEST OF EVANSTON...AND MOVING EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
EVANSTON...RAGEN...WAHSATCH...ALMY...ALTAMONT AND PIEDMONT.
INTERSTATE 80 FROM WEST OF WAHSATCH TO EAST OF EVANSTON WILL BE
IMPACTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DEADLY LIGHTNING.
FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4109 11052 4105 11112 4140 11130 4159 11086
4158 11074
TIME...MOT...LOC 0026Z 249DEG 31KT 4126 11112
$$
KRUSE2 follow-up statements
766
WWUS55 KSLC 130039
SVSSLC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
639 PM MDT THU JUN 12 2014
UTC033-043-WYC041-130100-
/O.CON.KSLC.SV.W.0013.000000T0000Z-140613T0100Z/
SUMMIT UT-RICH UT-UINTA WY-
639 PM MDT THU JUN 12 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR NORTHWESTERN SUMMIT...SOUTHEASTERN RICH AND WESTERN UINTA
COUNTIES...
AT 639 PM MDT...TRAINED WEATHER SPOTTERS IN EVANSTON REPORTED A
SEVERE THUNDERSTORM PRODUCING DAMAGING WINDS OF 60 MPH. THIS STORM
WAS LOCATED OVER EVANSTON...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
EVANSTON...RAGEN...WAHSATCH...ALMY...ALTAMONT AND PIEDMONT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DEADLY LIGHTNING.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.
&&
LAT...LON 4109 11052 4106 11103 4140 11130 4159 11086
4158 11074
TIME...MOT...LOC 0039Z 249DEG 31KT 4130 11098
$$
KRUSE218
WWUS55 KSLC 130059
SVSSLC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
659 PM MDT THU JUN 12 2014
UTC033-043-WYC041-130108-
/O.EXP.KSLC.SV.W.0013.000000T0000Z-140613T0100Z/
SUMMIT UT-RICH UT-UINTA WY-
659 PM MDT THU JUN 12 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SUMMIT...
SOUTHEASTERN RICH AND WESTERN UINTA COUNTIES WILL EXPIRE AT 700 PM
MDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4109 11052 4106 11103 4140 11130 4159 11086
4158 11074
TIME...MOT...LOC 0056Z 249DEG 31KT 4130 11098
$$
KRUSEThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 6:01 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Rich, Summit | 29 min |
| Jun 12, 7:49 PM MDT | Special Weather Statement | SLC | Box Elder | 41 min |
| Jun 13, 3:46 AM MDT | Wind Advisory | SLC | 18 hr | |
| Jun 13, 2:19 PM MDT | Fire Weather Watch | SLC | Beaver, Box Elder, Davis, Garfield, Iron, Kane and 6 more | 24 hr |
Nearby
Severe Thunderstorm Warnings in Utah, 2014Severe Thunderstorm Warnings in Wyoming, 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.