Alert archive / Utah / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 4, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 1, 2002, 3:00 PM MDT for 7 counties in Utah. It was in force for 30 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
- Jun 1, 2002, 3:00 PM MDT (21:00 UTC)
- Expired
- Jun 1, 2002, 3:30 PM MDT
- In force
- 30 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
Counties Box Elder County, UT, Davis County, UT, Salt Lake County, UT, Tooele County, UT, Utah County, UT, Wasatch County, UT, Weber County, UT
The radar
The Salt Lake City radar (KMTX), 49 km from the middle of the area, began a volume at 21:02 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, 9.0 hours before the alert went out and 22 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
- 4442 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
718
WUUS55 KSLC 012100
SVRSLC
UTC003-011-035-045-049-051-057-012130-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
257 PM MDT SAT JUN 1 2002
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BOX ELDER COUNTY IN UTAH
DAVIS COUNTY IN UTAH
THIS INCLUDES THE CITIES OF...LAYTON...FARMINGTON...BOUNTIFUL
SALT LAKE COUNTY IN UTAH
THIS INCLUDES THE CITIES OF...WEST VALLEY CITY...SANDY...SALT LAKE
CITY...MURRAY
NORTHEASTERN TOOELE COUNTY IN UTAH
EASTERN UTAH COUNTY IN UTAH
THIS INCLUDES THE CITY OF PROVO
SOUTHWESTERN WASATCH COUNTY IN UTAH
SOUTHWESTERN WEBER COUNTY IN UTAH
* UNTIL 330 PM MDT
* AT 245 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF SEVERE THUNDERSTORMS FROM THE NORTHERN PORTION OF THE
GREAT SALT LAKE TO NEAR SOLDIER SUMMIT IN EXTREME SOUTHEAST UTAH
COUNTY...MOVING NORTHEAST AT 20 MPH.
* SEVERE THUNDERSTORMS WILL BE...
OVER TAYLORSVILLE...SANDY...MIDVALE AT 305 PM MDT
OVER MURRAY AT 310 PM MDT
OVER SOUTH SALT LAKE...COTTONWOOD HEIGHTS AT 315 PM MDT
OVER HOLLADAY AT 320 PM MDT
OVER WOODS CROSS...SALT LAKE CITY...NORTH SALT LAKE AT 325 PM MDT
VERY STRONG WINDS...BLOWING DEBRIS...AND POOR VISIBILITIES HAVE BEEN
REPORTED WITH THESE STORMS ALONG WITH SMALL HAIL AND BRIEF HEAVY
RAIN.
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN SALT LAKE CITY.
LAT...LON 4155 11305 3981 11137 3986 11090 4082 11176
4111 11192 4180 11248The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:23 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Millard, Tooele | 37 min |
| Jun 1, 1:49 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele, Utah | 41 min |
| Jun 1, 2:28 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Salt Lake, Tooele, Utah, Weber | 47 min |
| Jun 1, 3:22 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Davis, Duchesne, Morgan, Salt Lake and 3 more | 38 min |
| Jun 1, 4:00 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Duchesne, Morgan, Rich, Summit and 2 more | 45 min |
| Jun 1, 4:46 PM MDT | Severe Thunderstorm Warning | SLC | Rich, Summit | 29 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2002Every severe thunderstorm warning in 2002
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.