Alert archive / Michigan / Mesoscale Discussions in 2019
Mesoscale Discussion 690
The Storm Prediction Center issued this mesoscale discussion at May 19, 2019, 4:27 PM EDT for 13 counties in Indiana; 25 counties in Michigan; Williams County, Ohio. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- May 19, 2019, 4:27 PM EDT (20:27 UTC)
- Expired
- May 19, 2019, 5:30 PM EDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 39 counties
DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Marshall County, IN, Noble County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Whitley County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clare County, MI, Clinton County, MI, Eaton County, MI, Gratiot County, MI, Hillsdale County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lake County, MI, Mecosta County, MI, Montcalm County, MI, Newaygo County, MI, Osceola County, MI, Saint Joseph County, MI, Shiawassee County, MI, Van Buren County, MI, Williams County, OH
The radar
The Grand Rapids radar (KGRR), 73 km from the middle of the area, began a volume at 20:31 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, 8.5 hours before the alert went out and 197 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
- 155 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1182 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 3:06 PM EDT | Mesoscale Discussion | SPC | Boone, Clay, Clinton, Daviess, Dubois, Fountain and 18 more | 114 min |
| May 19, 4:26 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 57 more | 5 hr |
| May 19, 7:00 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 45 more | 2 hr |
Nearby
Mesoscale Discussions in Michigan, 2019Mesoscale Discussions in Indiana, 2019Mesoscale Discussions in Ohio, 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.