Alert archive / Michigan / Mesoscale Discussions in 2019

Mesoscale Discussion 177

March 9, 201925 counties in Michigan

The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2019, 8:10 PM EST for 25 counties in Michigan. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Mar 9, 2019, 8:10 PM EST (01:10 UTC)
Expired
Mar 10, 2019, 12:15 AM EST
In force
4 hr
Issued by
the Storm Prediction Center
All 25 counties

Clare County, MI, Clinton County, MI, Eaton County, MI, Genesee County, MI, Gratiot County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kent County, MI, Lake County, MI, Lenawee County, MI, Livingston County, MI, Mecosta County, MI, Midland County, MI, Monroe County, MI, Montcalm County, MI, Newaygo County, MI, Oakland County, MI, Osceola County, MI, Saginaw County, MI, Shiawassee County, MI, Washtenaw County, MI, Wayne County, MI, Wexford County, MI

The radar

The Detroit radar (KDTX), 81 km from the middle of the area, began a volume at 01:12 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 00:00Z, 1.2 hours before the alert went out and 84 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 00:00Z on 2019-03-10Temperature 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 00:00Z on 2019-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 527 square meters per square second.1939587897Sfc1 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
1304 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
527 m²/s²
0-3 km storm-relative helicity
572 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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Nearby

Mesoscale Discussions in Michigan, 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.