Alert archive / Idaho / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 52, NWS Pocatello, ID

August 6, 20107 counties in Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Aug 6, 2010, 5:13 PM MDT for 7 counties in Idaho. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 6, 2010, 5:13 PM MDT (23:13 UTC)
Expired
Aug 6, 2010, 6:00 PM MDT
In force
47 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Bonneville County, ID, Butte County, ID, Clark County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 101 km from the middle of the area, began a volume at 23:15 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

Boise Airport, ID (KBOI), launched 12:00Z, 11.2 hours before the alert went out and 341 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, Boise Airport, ID at 12:00Z on 2010-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 12:00Z on 2010-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 km3 km6 km9 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3345 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 6:41 PM MDTSpecial Weather StatementPIHCassia49 min
Aug 5, 7:03 PM MDTAreal Flood AdvisoryPIHCassia3 hr
Aug 5, 8:17 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Power28 min
Aug 6, 1:30 PM MDTSpecial Weather StatementPIHBonneville45 min
Aug 6, 1:53 PM MDTSpecial Weather StatementPIHTeton37 min
Aug 6, 3:35 PM MDTSpecial Weather StatementPIHPower40 min
Aug 6, 3:43 PM MDTSpecial Weather StatementPIHCuster62 min
Aug 6, 4:14 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Bonneville, Caribou, Jefferson61 min
Aug 6, 5:04 PM MDTSpecial Weather StatementPIHBannock, Power56 min
Aug 6, 5:35 PM MDTSevere Thunderstorm WarningPIHBannock, Oneida, Power55 min
Aug 6, 5:59 PM MDTSevere Thunderstorm WarningPIHBonneville, Butte, Clark, Fremont, Jefferson, Madison and 1 more61 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2010Every severe thunderstorm warning in 2010

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.