Alert archive / Michigan / Mesoscale Discussions in 2014
Mesoscale Discussion 1201
The Storm Prediction Center issued this mesoscale discussion at Jun 29, 2014, 8:48 PM EDT for 6 counties in Michigan; Iron County, Vilas County, Wisconsin. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Jun 29, 2014, 8:48 PM EDT (00:48 UTC)
- Expired
- Jun 29, 2014, 10:15 PM EDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
Counties Baraga County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Marquette County, MI, Ontonagon County, MI, Iron County, WI, Vilas County, WI
The radar
The Marquette radar (KMQT), 112 km from the middle of the area, began a volume at 00:49 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.8 hours before the alert went out and 237 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.
- Mixed-layer CAPE
- 1146 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1437 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 7.2
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 2:41 AM EDT | Mesoscale Discussion | SPC | Allegan, Muskegon, Ottawa | 64 min |
| Jun 30, 4:25 PM EDT | Mesoscale Discussion | SPC | Berrien, Van Buren | 35 min |
| Jun 30, 4:33 PM EDT | Severe Thunderstorm Watch | SPC | Berrien, Cass | 7 hr |
| Jun 30, 7:47 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Clare, Clinton, Crawford, Gladwin and 21 more | 88 min |
| Jun 29, 8:50 PM EDT | Mesoscale Discussion | SPC | Crawford, Grant | 85 min |
| Jun 29, 9:15 PM EDT | Severe Thunderstorm Watch | SPC | Columbia, Crawford, Dane, Grant, Green, Iowa and 4 more | 7 hr |
| Jun 29, 10:43 PM EDT | Mesoscale Discussion | SPC | Crawford, Grant, Green, Iowa, Lafayette, Richland and 1 more | 92 min |
| Jun 29, 11:54 PM EDT | Tornado Watch | SPC | Columbia, Dane, Dodge, Green, Iowa, Jefferson and 5 more | 5 hr |
| Jun 30, 2:27 PM EDT | Mesoscale Discussion | SPC | Green, Lafayette, Rock, Walworth | 93 min |
| Jun 30, 3:03 PM EDT | Tornado Watch | SPC | Dane, Grant, Green, Iowa, Lafayette, Rock | 5 hr |
| Jun 30, 5:33 PM EDT | Mesoscale Discussion | SPC | Dane, Green, Jefferson, Kenosha, Milwaukee, Racine and 3 more | 117 min |
Nearby
Mesoscale Discussions in Michigan, 2014Mesoscale Discussions in Wisconsin, 2014Every mesoscale discussion in 2014
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.