Alert archive / Utah / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 85, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 26, 1998, 4:29 PM MDT for Salt Lake County, Utah County, Wasatch 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Aug 26, 1998, 4:29 PM MDT (22:29 UTC)
- Expired
- Aug 26, 1998, 5:00 PM MDT
- In force
- 31 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Salt Lake County, UT, Utah County, UT, Wasatch County, UT
The radar
The Salt Lake City radar (KMTX), 99 km from the middle of the area, began a volume at 22:29 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, 10.5 hours before the alert went out and 28 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
- 1925 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
237
WUUS1 KSLC 262231 RRA
SVRSLC
UTC035-043-049-051-262300-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
429 PM MDT WED AUG 26 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
NORTHERN UTAH COUNTY IN UTAH
EASTERN SALT LAKE COUNTY IN UTAH
INCLUDING PARK CITY AND HEBER CITY
* UNTIL 500 PM MDT
* AT 419 PM MDT THE PUBLIC REPORTED A SEVERE THUNDERSTORM 2 MILES
SOUTHEAST OF ALPINE...OR ABOUT 12 MILES NORTH OF PROVO...MOVING
EAST AT 25 MILES PER HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE SUNDANCE...PLEASANT
GROVE...MIDWAY...ALPINE...AMERICAN FORK...HOLLADAY...SANDY...
LEHI...WALLSBURG...ALTA...WANSHIP...OREM...DANIEL AND DRAPER
HAIL UP TO 3/4 INCHES IN DIAMETER HAS BEEN REPORTED WITH THIS STORM.
IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND
MOVE TO A SUBSTANTIAL SHELTER.
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 4079 11182 4026 11196 4027 11138 4083 11141The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 1:25 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 65 min |
| Aug 26, 2:01 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 44 min |
| Aug 26, 2:14 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 46 min |
| Aug 26, 2:24 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 51 min |
| Aug 26, 2:41 PM MDT | Severe Thunderstorm Warning | SLC | Cache, Rich | 64 min |
| Aug 26, 3:06 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 54 min |
| Aug 26, 3:57 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 63 min |
| Aug 26, 4:25 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 50 min |
| Aug 26, 4:29 PM MDT | Severe Thunderstorm Warning | SLC | Summit | 31 min |
| Aug 26, 5:15 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 45 min |
| Aug 26, 5:15 PM MDT | Severe Thunderstorm Warning | SLC | Rich, Summit | 45 min |
| Aug 26, 5:27 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Tooele | 48 min |
| Aug 26, 5:41 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 64 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.