Alert archive / Idaho / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 466

June 17, 199717 counties in Idaho

The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 1997, 5:00 PM MDT for 17 counties in Idaho. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 17, 1997, 5:00 PM MDT (23:00 UTC)
Expired
Jun 17, 1997, 10:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Ada County, ID, Adams County, ID, Boise County, ID, Camas County, ID, Canyon County, ID, Custer County, ID, Elmore County, ID, Gem County, ID, Gooding County, ID, Idaho County, ID, Jerome County, ID, Lincoln County, ID, Owyhee County, ID, Payette County, ID, Twin Falls County, ID, Valley County, ID, Washington County, ID

Warnings issued inside it

7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 17, 5:01 PM MDTSevere Thunderstorm WarningBOICanyon, Payette44 min
Jun 17, 5:19 PM MDTTornado WarningBOIPayette26 min
Jun 17, 5:25 PM MDTSevere Thunderstorm WarningBOIGem50 min
Jun 17, 5:53 PM MDTSevere Thunderstorm WarningBOIBoise52 min
Jun 17, 6:30 PM MDTSevere Thunderstorm WarningBOIAda, Canyon45 min
Jun 17, 7:05 PM MDTSevere Thunderstorm WarningBOIAda40 min
Jun 17, 7:27 PM MDTSevere Thunderstorm WarningBOIElmore48 min

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 11.0 hours before the alert went out and 447 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.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 1997-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 1997-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 km3 km6 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1339 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Idaho, 1997Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive.