Alert archive / Michigan / Mesoscale Discussions in 2004
Mesoscale Discussion 1265
The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2004, 11:51 AM EDT for 27 counties in Michigan. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2004, 11:51 AM EDT (15:51 UTC)
- Expired
- Jun 14, 2004, 1:15 PM EDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
All 27 counties
Arenac County, MI, Bay County, MI, Cheboygan County, MI, Clare County, MI, Crawford County, MI, Genesee County, MI, Gladwin County, MI, Gratiot County, MI, Huron County, MI, Iosco County, MI, Isabella County, MI, Kalkaska County, MI, Lapeer County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Montmorency County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Otsego County, MI, Roscommon County, MI, Saginaw County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI
The radar
The NCL Michigan radar (KAPX), 118 km from the middle of the area, began a volume at 15:53 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 3.9 hours before the alert went out and 146 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
- 338 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 13, 8:30 PM EDT | Mesoscale Discussion | SPC | Monroe | 90 min |
| Jun 14, 10:06 AM EDT | Mesoscale Discussion | SPC | Berrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 7 more | 54 min |
| Jun 14, 10:40 AM EDT | Severe Thunderstorm Watch | SPC | Berrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 8 more | 7 hr |
| Jun 14, 11:22 AM EDT | Mesoscale Discussion | SPC | Branch, Calhoun, Cass, Hillsdale, Jackson, Kalamazoo and 9 more | 53 min |
| Jun 14, 12:25 PM EDT | Severe Thunderstorm Watch | SPC | Alcona, Alpena, Antrim, Arenac, Barry, Bay and 42 more | 8 hr |
| Jun 14, 1:29 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Arenac, Barry, Bay and 52 more | 91 min |
| Jun 14, 4:28 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Arenac, Bay, Benzie and 31 more | 92 min |
Nearby
Mesoscale Discussions in Michigan, 2004Every mesoscale discussion in 2004
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.