Alert archive / Utah / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 30, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 10, 1997, 6:16 PM MDT for Weber County, Utah. It was in force for 29 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 10, 1997, 6:16 PM MDT (00:16 UTC)
- Expired
- Jun 10, 1997, 6:45 PM MDT
- In force
- 29 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Weber County, UT
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 10, 6:30 PM MDT | Hail 1 | Harrisville, UT | A final severe thunderstorm moved through Weber County late in the afternoon. 1" diameter hail was measured in Harrisville and 3/4" diameter hail fell in North Ogden. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 10, 3:15 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 0.3 hours before the alert went out and 54 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
- 1072 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -69 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSLC 110017 RRA SVRSLC UTC057-110045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 616 PM MDT TUE JUN 10 1997 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY UT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWESTERN UTAH ...NORTHERN WEBER COUNTY AT 612 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 7 MILES NORTHWEST OF OGDEN OR JUST WEST OF PLAIN CITY MOVING TOWARDS THE EAST AT 25 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... FARR WEST AT AROUND 615 PM MDT PLEASANT VIEW AT AROUND 615 PM MDT OGDEN AT AROUND 615 PM MDT NORTH OGDEN AT AROUND 620 PM MDT LIBERTY AT AROUND 635 PM MDT THIS STORM MAY PRODUCE STRONG GUSTY WIND...LARGE HAIL...AND FREQUENT LIGHTNING. TAKE COVER WHEN THREATENING WEATHER APPROACHES. A SEVERE THRUNDERSTORM WATCH CONTINUES IN EFFECT FOR MUCH OF NORTHERN UTAH UNTIL 800 PM.
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 6:41 PM MDT | Severe Thunderstorm Warning | SLC | Weber | 29 min |
| Jun 11, 3:53 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 32 min |
| Jun 11, 4:32 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 33 min |
Nearby
Severe Thunderstorm Warnings in Utah, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.