Alert archive / Utah / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 4, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at May 6, 2016, 4:59 PM MDT for Box Elder County, Utah. It was in force for 31 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
- May 6, 2016, 4:59 PM MDT (22:59 UTC)
- Expired
- May 6, 2016, 5:30 PM MDT
- In force
- 31 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
County Box Elder County, UT
The radar
The Salt Lake City radar (KMTX), 69 km from the middle of the area, began a volume at 23:02 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, 11.0 hours before the alert went out and 125 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
- 8 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 2710 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
633
WUUS55 KSLC 062301
SVRSLC
UTC003-062330-
/O.NEW.KSLC.SV.W.0004.160506T2259Z-160506T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
459 PM MDT FRI MAY 6 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BOX ELDER COUNTY IN UTAH...
* UNTIL 530 PM MDT
* AT 459 PM MDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS STRETCHED FROM NEAR HOWELL TO NEAR GARLAND AND
WERE MOVING NORTH AT 35 MPH.
THIS LINE OF STORMS HAS A HISTORY OF PRODUCING DAMAGING WINDS!
* LOCATIONS IMPACTED INCLUDE...
TREMONTON...SNOWVILLE...PLYMOUTH...HOWELL...RIVERSIDE...GARLAND...ELWOOD...
FIELDING...DEWEYVILLE...PORTAGE...BOTHWELL...WASHAKIE...THATCHER AND
COLLINSTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE. THIS IS A
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.
&&
LAT...LON 4192 11212 4190 11208 4170 11205 4164 11260
4200 11282 4200 11216
TIME...MOT...LOC 2259Z 165DEG 31KT 4172 11253 4176 11217
$$2 follow-up statements
587
WWUS55 KSLC 062318
SVSSLC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
516 PM MDT FRI MAY 6 2016
UTC003-062330-
/O.CON.KSLC.SV.W.0004.000000T0000Z-160506T2330Z/
BOX ELDER UT-
516 PM MDT FRI MAY 6 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR NORTHEASTERN BOX ELDER COUNTY...
AT 516 PM MDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS STRETCHED FROM 5 MILES SOUTH OF SNOWVILLE TO NEAR
PLYMOUTH AND WERE MOVING NORTH AT 35 MPH.
THIS LINE OF STORMS HAS A HISTORY OF PRODUCING WINDS IN EXCESS OF 60
MPH.
LOCATIONS IMPACTED INCLUDE...
SNOWVILLE...PLYMOUTH...HOWELL...RIVERSIDE...FIELDING...PORTAGE AND
WASHAKIE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE. THIS IS A
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.
&&
LAT...LON 4192 11212 4190 11208 4179 11207 4175 11258
4200 11282 4200 11216
TIME...MOT...LOC 2316Z 165DEG 31KT 4186 11258 4190 11222
$$144
WWUS55 KSLC 062331
SVSSLC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
530 PM MDT FRI MAY 6 2016
UTC003-062340-
/O.EXP.KSLC.SV.W.0004.000000T0000Z-160506T2330Z/
BOX ELDER UT-
530 PM MDT FRI MAY 6 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BOX ELDER COUNTY
HAS EXPIRED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 4192 11212 4190 11208 4179 11207 4175 11258
4200 11282 4200 11216
TIME...MOT...LOC 2328Z 165DEG 31KT 4186 11258 4190 11222
$$The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 11:13 AM MDT | Wind Advisory | SLC | 4 hr | |
| May 6, 1:28 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 32 min |
| May 6, 1:44 PM MDT | Special Weather Statement | SLC | Salt Lake | 31 min |
| May 6, 3:29 PM MDT | Special Weather Statement | SLC | Davis | 31 min |
| May 6, 4:05 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Weber | 25 min |
| May 6, 4:32 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 28 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2016Every severe thunderstorm warning 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.