Alert archive / Montana / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 39, NWS Billings, MT

June 14, 2006Big Horn County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 14, 2006, 1:33 PM MDT for Big Horn County, Montana. It was in force for 57 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
Jun 14, 2006, 1:33 PM MDT (19:33 UTC)
Expired
Jun 14, 2006, 2:30 PM MDT
In force
57 min
Issued by
NWS Billings, MT
Area
Counties, with a storm outline in the text

County Big Horn County, MT

The radar

The Billings radar (KBLX), 99 km from the middle of the area, began a volume at 19:37 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 14, 11:12 AM MDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 7.6 hours before the alert went out and 272 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, Riverton, WY at 12:00Z on 2006-06-14Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2006-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.19395878Sfc1 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
2802 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
310 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 11:10 PM MDTSevere Thunderstorm WarningBYZGolden Valley65 min
Jun 14, 12:11 AM MDTSevere Thunderstorm WarningBYZWheatland64 min
Jun 14, 12:12 AM MDTSevere Thunderstorm WarningBYZGolden Valley63 min
Jun 14, 12:49 AM MDTSevere Thunderstorm WarningBYZMusselshell56 min
Jun 14, 11:34 AM MDTSevere Thunderstorm WarningBYZCarbon56 min
Jun 14, 12:56 PM MDTSevere Thunderstorm WarningBYZYellowstone42 min
Jun 14, 2:25 PM MDTSevere Thunderstorm WarningBYZBig Horn65 min
Jun 14, 3:12 PM MDTSevere Thunderstorm WarningBYZRosebud63 min
Jun 14, 3:24 PM MDTSevere Thunderstorm WarningBYZTreasure41 min
Jun 14, 4:10 PM MDTSevere Thunderstorm WarningBYZRosebud57 min
Jun 14, 4:18 PM MDTSevere Thunderstorm WarningBYZCuster57 min
Jun 14, 5:11 PM MDTSevere Thunderstorm WarningBYZCuster64 min
Jun 14, 5:39 PM MDTSevere Thunderstorm WarningBYZPowder River24 min
Jun 14, 5:46 PM MDTSevere Thunderstorm WarningBYZFallon59 min

Nearby

Severe Thunderstorm Warnings in Montana, 2006Every severe thunderstorm warning in 2006

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.