Alert archive / Utah / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 42, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 5, 1998, 2:19 PM MDT for Summit County, Wasatch 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jul 5, 1998, 2:19 PM MDT (20:19 UTC)
- Expired
- Jul 5, 1998, 3:00 PM MDT
- In force
- 41 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Summit County, UT, Wasatch County, UT
The radar
The Salt Lake City radar (KMTX), 120 km from the middle of the area, began a volume at 20:19 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, 8.3 hours before the alert went out and 50 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
- 4068 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
595
WUUS1 KSLC 052022 RRA
SVRSLC
UTC043-051-052100-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING FOR HIGH WINDS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
219 PM MDT SUN JUL 5 1998
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN SUMMIT COUNTY IN UTAH
NORTHWESTERN WASATCH COUNTY IN UTAH
INCLUDING HEBER CITY
* UNTIL 300 PM MDT
* AT 207 PM MDT THE PUBLIC REPORTED A SEVERE THUNDERSTORM AT
HEBER CITY MOVING NORTHEAST AT 25 MILES PER HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE MIDWAY...WALLSBURG
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 4041 11156 4031 11139 4065 11118 4073 11145The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 7:38 AM MDT | Severe Thunderstorm Warning | SLC | Washington | 52 min |
| Jul 5, 8:27 AM MDT | Severe Thunderstorm Warning | SLC | Iron, Kane, Washington | 63 min |
| Jul 5, 11:02 AM MDT | Severe Thunderstorm Warning | SLC | Garfield | 28 min |
| Jul 5, 11:14 AM MDT | Severe Thunderstorm Warning | SLC | Garfield | 21 min |
| Jul 5, 12:02 PM MDT | Severe Thunderstorm Warning | SLC | Sevier | 28 min |
| Jul 5, 12:27 PM MDT | Severe Thunderstorm Warning | SLC | Juab | 43 min |
| Jul 5, 3:08 PM MDT | Flash Flood Warning | SLC | Kane | 62 min |
| Jul 5, 3:08 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 62 min |
Nearby
Severe Thunderstorm Warnings in Utah, 1998Every severe thunderstorm warning in 1998
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.