Alert archive / Utah / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 37, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 5, 1998, 8:27 AM MDT for Iron County, Kane County, Washington County, Utah. It was in force for 63 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, 8:27 AM MDT (14:27 UTC)
- Expired
- Jul 5, 1998, 9:30 AM MDT
- In force
- 63 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Iron County, UT, Kane County, UT, Washington County, UT
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 2.5 hours before the alert went out and 245 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
- 3389 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
819
WUUS1 KSLC 051430 RRA
SVRSLC
UTC021-025-053-051530-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
827 AM MDT SUN JUL 5 1998
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL IRON COUNTY IN UTAH
WASHINGTON COUNTY IN UTAH
WESTERN KANE COUNTY IN UTAH
INCLUDING ST GEORGE AND CEDAR CITY
* UNTIL 930 AM MDT
* AT 820 AM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 10 MILES NORTHWEST OF TOQUERVILLE...OR ABOUT
19 MILES NORTHEAST OF ST GEORGE...MOVING NORTH AT 25 MILES PER
HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE ORDERVILLE...
WASHINGTON...TOQUERVILLE...SANTA CLARA...HILDALE...NEW
HARMONY...SPRINGDALE...BERYL...ENTERPRISE...KANARRAVILLE...MT
CARMEL...GUNLOCK...NEWCASTLE...HURRICANE AND ZION NP
* SEVERE THUNDERSTORM WILL BE...
4 MILES NORTH OF NEW HARMONY AT 850 AM MDT
9 MILES NORTHWEST OF KANARRAVILLE AT 905 AM MDT
10 MILES NORTHWEST OF CEDAR CITY AT 920 AM MDT
HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.
LAT...LON 3723 11397 3681 11319 3719 11248 3786 11315
3791 11368The 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, 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, 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.