Alert archive / Michigan / Mesoscale Discussions in 2019

Mesoscale Discussion 211

March 14, 20195 counties in Indiana; 8 counties in Michigan

The Storm Prediction Center issued this mesoscale discussion at Mar 14, 2019, 2:51 PM EDT for 5 counties in Indiana; 8 counties in Michigan. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued
Mar 14, 2019, 2:51 PM EDT (18:51 UTC)
Expired
Mar 14, 2019, 3:45 PM EDT
In force
54 min
Issued by
the Storm Prediction Center
Chance of a watch
40%

Counties Elkhart County, IN, LaPorte County, IN, Marshall County, IN, Saint Joseph County, IN, Starke County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Cass County, MI, Kalamazoo County, MI, Kent County, MI, Saint Joseph County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 94 km from the middle of the area, began a volume at 18:50 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

Detroit, MI (KDTX), launched 12:00Z, 6.9 hours before the alert went out and 232 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, Detroit, MI at 12:00Z on 2019-03-14Temperature 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, Detroit, MI at 12:00Z on 2019-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 383 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1254 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
383 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 14, 3:37 AM EDTMesoscale DiscussionSPCDubois, Gibson, Knox, Pike, Posey, Spencer and 2 more83 min
Mar 14, 10:31 AM EDTMesoscale DiscussionSPCDaviess, Dubois, Gibson, Knox, Martin, Pike and 4 more119 min
Mar 14, 10:47 AM EDTTornado WatchSPCBartholomew, Boone, Brown, Clark, Clay, Clinton and 49 more6 hr
Mar 14, 11:54 AM EDTMesoscale DiscussionSPCLake, Newton96 min
Mar 14, 1:24 PM EDTTornado WatchSPCBenton, Jasper, Lake, Newton, Porter2 hr
Mar 14, 1:38 PM EDTMesoscale DiscussionSPCCrawford, Perry, Spencer67 min
Mar 14, 5:03 PM EDTSevere Thunderstorm WatchSPCClark, Dearborn, Floyd, Franklin, Harrison, Jefferson and 4 more5 hr
Mar 14, 6:08 PM EDTSevere Thunderstorm WatchSPCAllen, DeKalb, LaGrange, Noble, Steuben, Whitley4 hr
Mar 14, 5:54 PM EDTMesoscale DiscussionSPCBranch, Calhoun, Clinton, Eaton, Genesee, Gratiot and 14 more66 min
Mar 14, 7:22 PM EDTMesoscale DiscussionSPCGenesee, Jackson, Lapeer, Livingston, Oakland, Washtenaw83 min

Nearby

Mesoscale Discussions in Michigan, 2019Mesoscale Discussions in Indiana, 2019Every mesoscale discussion in 2019

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.