Alert archive / Minnesota / Mesoscale Discussions in 2007

Mesoscale Discussion 1092

June 11, 200710 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2007, 2:53 AM CDT for 10 counties in Minnesota. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2007, 2:53 AM CDT (07:53 UTC)
Expired
Jun 11, 2007, 4:00 AM CDT
In force
67 min
Issued by
the Storm Prediction Center

Counties Becker County, MN, Douglas County, MN, Hubbard County, MN, Kandiyohi County, MN, Meeker County, MN, Otter Tail County, MN, Renville County, MN, Stearns County, MN, Todd County, MN, Wadena County, MN

The radar

The Minneapolis radar (KMPX), 194 km from the middle of the area, began a volume at 07:56 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

Minneapolis, MN (KMPX), launched 00:00Z, 7.9 hours before the alert went out and 192 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, Minneapolis, MN at 00:00Z on 2007-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 114 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, Minneapolis, MN at 00:00Z on 2007-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 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
114 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
2096 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
6 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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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 11:19 PM CDTMesoscale DiscussionSPCBig Stone, Stevens, Traverse, Wilkin116 min
Jun 10, 11:47 PM CDTSevere Thunderstorm WatchSPCBig Stone, Chippewa, Douglas, Grant, Lac qui Parle, Otter Tail and 8 more6 hr

Nearby

Mesoscale Discussions in Minnesota, 2007Every mesoscale discussion in 2007

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.