Alert archive / Utah / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 11, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 16, 2012, 5:19 PM MDT for Davis County, Salt Lake County, Tooele County, Utah. It was in force for 41 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
- Jul 16, 2012, 5:19 PM MDT (23:19 UTC)
- Expired
- Jul 16, 2012, 6:00 PM MDT
- In force
- 41 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
Counties Davis County, UT, Salt Lake County, UT, Tooele County, UT
The radar
The Salt Lake City radar (KMTX), 65 km from the middle of the area, began a volume at 23:19 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 11.3 hours before the alert went out and 6 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
- 193 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 1714 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
351
WUUS55 KSLC 162319
SVRSLC
UTC011-035-045-170000-
/O.NEW.KSLC.SV.W.0011.120716T2319Z-120717T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
519 PM MDT MON JUL 16 2012
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DAVIS COUNTY IN UTAH
NORTHERN SALT LAKE COUNTY IN UTAH
EAST CENTRAL TOOELE COUNTY IN UTAH
* UNTIL 600 PM MDT
* AT 514 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR LAKE POINT...OR 9 MILES
NORTHEAST OF TOOELE...MOVING NORTHEAST AT 35 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
SALT LAKE CITY... UNIVERSITY OF UTAH... NORTH SALT LAKE... WOODS
CROSS... BOUNTIFUL... FARMINGTON AND AND CENTERVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 4072 11217 4050 11217 4073 11247 4114 11215
4094 11179 4085 11173 4087 11170 4081 11165
4078 11166
TIME...MOT...LOC 2319Z 215DEG 29KT 4068 11219
$$
CRK2 follow-up statements
232
WWUS55 KSLC 162335 RRA
SVSSLC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
535 PM MDT MON JUL 16 2012
UTC011-035-045-170000-
/O.CON.KSLC.SV.W.0011.000000T0000Z-120717T0000Z/
TOOELE UT-SALT LAKE UT-DAVIS UT-
535 PM MDT MON JUL 16 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MDT
FOR DAVIS...NORTHERN SALT LAKE AND NORTHEASTERN TOOELE COUNTIES...
AT 534 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10 MILES WEST OF NORTH SALT
LAKE...OR ABOUT 8 MILES NORTHWEST OF WEST VALLEY CITY...MOVING
NORTHEAST AT 35 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
SALT LAKE CITY... UNIVERSITY OF UTAH... NORTH SALT LAKE... WOODS
CROSS... BOUNTIFUL AND CENTERVILLE
LAT...LON 4078 11166 4072 11217 4063 11218 4081 11241
4114 11215 4093 11180 4085 11173 4087 11170
4080 11165
TIME...MOT...LOC 2336Z 215DEG 29KT 4079 11209
$$
CRK772
WWUS55 KSLC 162356
SVSSLC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
556 PM MDT MON JUL 16 2012
UTC011-035-045-170005-
/O.EXP.KSLC.SV.W.0011.000000T0000Z-120717T0000Z/
TOOELE UT-SALT LAKE UT-DAVIS UT-
556 PM MDT MON JUL 16 2012
...THE SEVERE THUNDERSTORM WARNING FOR DAVIS...NORTHERN SALT LAKE AND
NORTHEASTERN TOOELE COUNTIES WILL EXPIRE AT 600 PM MDT...
THE STORM HAS WEAKENED AND IS NO LONGER SEVERE. THEREFORE THE WARNING
HAS BEEN ALLOWED TO EXPIRE. A SIGNIFICANT WEATHER ADVISORY HAS BEEN
ISSUED FOR PORTIONS OF NORTHERN SALT LAKE COUNTY AND DAVIS COUNTY.
WIND GUSTS UP TO 55 MPH REMAIN POSSIBLE AS THE AREA OF STORMS MOVES
NORTHWARD.
LAT...LON 4078 11166 4072 11217 4063 11218 4081 11241
4114 11215 4093 11180 4085 11173 4087 11170
4080 11165
TIME...MOT...LOC 2355Z 180DEG 0KT 4078 11210
$$
KRUSEThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 6:20 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 55 min |
| Jul 15, 8:06 PM MDT | Flash Flood Warning | SLC | Washington | 4 hr |
| Jul 16, 1:04 PM MDT | Flash Flood Warning | SLC | Wayne | 3 hr |
| Jul 16, 1:13 PM MDT | Flash Flood Warning | SLC | Washington | 11 hr |
| Jul 16, 1:24 PM MDT | Special Weather Statement | SLC | Tooele | 66 min |
| Jul 16, 1:37 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 38 min |
| Jul 16, 1:49 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 4 hr |
| Jul 16, 2:00 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 43 min |
| Jul 16, 2:20 PM MDT | Special Weather Statement | SLC | 70 min | |
| Jul 16, 2:26 PM MDT | Special Weather Statement | SLC | 49 min | |
| Jul 16, 2:33 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 27 min |
| Jul 16, 2:55 PM MDT | Flash Flood Warning | SLC | Kane | 3 hr |
| Jul 16, 3:01 PM MDT | Special Weather Statement | SLC | 44 min | |
| Jul 16, 3:24 PM MDT | Special Weather Statement | SLC | Carbon | 51 min |
| Jul 16, 4:10 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 50 min |
| Jul 16, 4:38 PM MDT | Special Weather Statement | SLC | Weber | 67 min |
| Jul 16, 4:49 PM MDT | Special Weather Statement | SLC | 26 min | |
| Jul 16, 4:54 PM MDT | Flash Flood Warning | SLC | Utah | 50 min |
| Jul 16, 4:56 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 49 min |
| Jul 16, 5:00 PM MDT | Special Weather Statement | SLC | Rich | 60 min |
| Jul 16, 5:01 PM MDT | Flash Flood Warning | SLC | Washington | 4 hr |
| Jul 16, 5:10 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 50 min |
| Jul 16, 5:22 PM MDT | Special Weather Statement | SLC | Cache | 38 min |
| Jul 16, 5:28 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 6 hr |
| Jul 16, 5:54 PM MDT | Special Weather Statement | SLC | Davis, Salt Lake | 51 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2012Every severe thunderstorm warning in 2012
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.