Alert archive / Idaho / Mesoscale Discussions in 2008

Mesoscale Discussion 1071

May 28, 200810 counties in Idaho; Elko County, Eureka County, Lander County, Nevada; Box Elder County, Cache County, Utah

The Storm Prediction Center issued this mesoscale discussion at May 28, 2008, 11:32 AM MDT for 10 counties in Idaho; Elko County, Eureka County, Lander County, Nevada; Box Elder County, Cache County, Utah. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued
May 28, 2008, 11:32 AM MDT (17:32 UTC)
Expired
May 28, 2008, 1:00 PM MDT
In force
88 min
Issued by
the Storm Prediction Center

Counties Bannock County, ID, Bingham County, ID, Caribou County, ID, Cassia County, ID, Franklin County, ID, Jerome County, ID, Minidoka County, ID, Oneida County, ID, Power County, ID, Twin Falls County, ID, Elko County, NV, Eureka County, NV, Lander County, NV, Box Elder County, UT, Cache County, UT

The radar

The Elko radar (KLRX), 197 km from the middle of the area, began a volume at 17:33 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, 5.5 hours before the alert went out and 227 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 2008-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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Nearby

Mesoscale Discussions in Idaho, 2008Mesoscale Discussions in Nevada, 2008Mesoscale Discussions in Utah, 2008Every mesoscale discussion in 2008

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.