Alert archive / Utah / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 41, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 5, 1998, 12:27 PM MDT for Juab County, Utah. It was in force for 43 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, 12:27 PM MDT (18:27 UTC)
- Expired
- Jul 5, 1998, 1:10 PM MDT
- In force
- 43 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Juab County, UT
The radar
The Salt Lake City radar (KMTX), 197 km from the middle of the area, began a volume at 18:29 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, 6.5 hours before the alert went out and 140 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.
986
WUUS1 KSLC 051828 RRA
SVRSLC
UTC023-051910-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1227 PM MDT SUN JUL 5 1998
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN JUAB COUNTY IN UTAH
INCLUDING NEPHI
* UNTIL 110 PM MDT
* AT 1217 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF MILLS...OR ABOUT 24
MILES EAST OF DELTA...MOVING NORTH AT 50 MILES PER HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE MILLS AND LEVAN
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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 3936 11217 3935 11198 3976 11166 3977 11206The 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, 2:19 PM MDT | Severe Thunderstorm Warning | SLC | Summit, Wasatch | 41 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.