Alert archive / Utah / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 26, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 10, 1997, 3:34 PM MDT for Tooele County, Utah. It was in force for 41 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, 3:34 PM MDT (21:34 UTC)
- Expired
- Jun 10, 1997, 4:15 PM MDT
- In force
- 41 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Tooele County, UT
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 10, 4:00 PM MDT | Hail 0.75 | Grantsville, UT | A severe thunderstorm dropped 3/4" diameter hail in the town of Grantsville. Some tree damage occurred in the area. |
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
Elko, NV (KLKN), launched 12:00Z, 9.6 hours before the alert went out and 102 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
- 3 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1605 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- -40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
973 WUUS1 KSLC 102135 RRA SVRSLC UTC045-102215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 334 PM MDT TUE JUN 10 1997 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY UT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWESTERN UTAH ...SOUTHEASTERN TOOELE COUNTY AT 327 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 16 MILES SOUTH OF DUGWAY MOVING NORTHEAST AT 5 MPH. THIS STORM WILL AFFECT THE RURAL AREAS BETWEEN DUGWAY AND VERNON UNTIL 415 PM MDT. THESE STORMS MAY PRODUCE STRONG GUSTY WIND...LARGE HAIL...AND FREQUENT LIGHTNING. TAKE COVER WHEN THREATENING WEATHER APPROACHES. THE WARNING FOR WESTERN AND CENTRAL TOOELE COUNTY HAS EXPIRED AS THE THUNDERSTORMS THERE HAVE WEAKENED. HOWEVER...MOST OF NORTHERN UTAH REMAINS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 800 PM THIS EVENING AND ADDITIONAL SEVERE THUNDERSTORMS ARE POSSIBLE.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 10, 12:02 PM MDT, 3 hours 32 minutes before
UTZ001>027-110000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1202 PM MDT TUE JUN 10 1997
...MORE THUNDERSTORMS STATEWIDE THIS AFTERNOON AND EVENING...
A VERY MOIST AND UNSTABLE AIRMASS OVER UTAH WILL SPAWN ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS ACROSS UTAH TODAY. THESE STORMS WILL
PRODUCE LOCALLY HEAVY RAINFALL...HAIL...GUSTY SURFACE WINDS...AND
FREQUENT CLOUD-TO-GROUND LIGHTNING.
THUNDERSTORMS WERE FORMING RAPIDLY OVER SOUTHERN UTAH EARLY THIS
AFTERNOON. THESE STORMS WILL GAIN IN NUMBER AND INTENSITY OVER THE
NEXT COUPLE OF HOURS...THEN SPREAD INTO NORTHERN UTAH. HEAVY
RAINFALLS COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL OVER THE PAST COUPLE OF DAYS.
PERSONS PLANNING OUTDOOR ACTIVITIES ANYWHERE IN UTAH TODAY NEED TO
KEEP A CLOSE EYE ON THE WEATHER. IF THUNDERSTORMS MOVE INTO YOUR
AREA SEEK SHELTER IN A BUILDING OR VEHICLE IMMEDIATELY. STAY TUNED
TO LOCAL RADIO...TELEVISION...CABLE TV...OR NOAA WEATHER RADIO FOR
FURTHER INFORMATION ON TODAYS WEATHER.
MCC...1202ZSpecial weather statement, Jun 10, 12:03 PM MDT, 3 hours 31 minutes before
UTZ001>027-110000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1202 PM MDT TUE JUN 10 1997
...MORE THUNDERSTORMS STATEWIDE THIS AFTERNOON AND EVENING...
A VERY MOIST AND UNSTABLE AIRMASS OVER UTAH WILL SPAWN ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS ACROSS UTAH TODAY. THESE STORMS WILL
PRODUCE LOCALLY HEAVY RAINFALL...HAIL...GUSTY SURFACE WINDS...AND
FREQUENT CLOUD-TO-GROUND LIGHTNING.
THUNDERSTORMS WERE FORMING RAPIDLY OVER SOUTHERN UTAH EARLY THIS
AFTERNOON. THESE STORMS WILL GAIN IN NUMBER AND INTENSITY OVER THE
NEXT COUPLE OF HOURS...THEN SPREAD INTO NORTHERN UTAH. HEAVY
RAINFALLS COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL OVER THE PAST COUPLE OF DAYS.
PERSONS PLANNING OUTDOOR ACTIVITIES ANYWHERE IN UTAH TODAY NEED TO
KEEP A CLOSE EYE ON THE WEATHER. IF THUNDERSTORMS MOVE INTO YOUR
AREA SEEK SHELTER IN A BUILDING OR VEHICLE IMMEDIATELY. STAY TUNED
TO LOCAL RADIO...TELEVISION...CABLE TV...OR NOAA WEATHER RADIO FOR
FURTHER INFORMATION ON TODAY'S WEATHER.
MCC...1202ZThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 12:00 PM MDT | Severe Thunderstorm Warning | SLC | Wayne | 45 min |
| Jun 10, 12:47 PM MDT | Severe Thunderstorm Warning | SLC | Wayne | 48 min |
| Jun 10, 1:10 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 45 min |
| Jun 10, 1:35 PM MDT | Severe Thunderstorm Warning | SLC | Wayne | 45 min |
| Jun 10, 2:23 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake | 47 min |
| Jun 10, 2:28 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 62 min |
| Jun 10, 3:02 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Salt Lake, Summit | 48 min |
| Jun 10, 4:04 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 61 min |
| Jun 10, 5:02 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 63 min |
| Jun 10, 5:03 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 62 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.