Alert archive / Michigan / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 488

June 8, 200350 counties in Michigan

The Storm Prediction Center issued this severe thunderstorm watch at Jun 8, 2003, 1:20 PM EDT for 50 counties in Michigan. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 8, 2003, 1:20 PM EDT (17:20 UTC)
Expired: Jun 8, 2003, 7:00 PM EDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 50 counties

Alcona County, MI, Arenac County, MI, Barry County, MI, Bay County, MI, Benzie County, MI, Branch County, MI, Calhoun County, MI, Clare County, MI, Clinton County, MI, Crawford County, MI, Eaton County, MI, Genesee County, MI, Gladwin County, MI, Grand Traverse County, MI, Gratiot County, MI, Hillsdale County, MI, Huron County, MI, Ingham County, MI, Ionia County, MI, Iosco County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kalkaska County, MI, Kent County, MI, Lake County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Monroe County, MI, Montcalm County, MI, Newaygo County, MI, Oakland County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Roscommon County, MI, Saginaw County, MI, Saint Clair County, MI, Saint Joseph County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Washtenaw County, MI, Wayne County, MI, Wexford County, MI

The radar

The Detroit radar (KDTX), 104 km from the middle of the area, began a volume at 17:21 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.

Warnings issued inside it

35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 8, 1:45 PM EDT	Severe Thunderstorm Warning	APX	Wexford	60 min
Jun 8, 1:55 PM EDT	Severe Thunderstorm Warning	GRR	Kent	65 min
Jun 8, 2:06 PM EDT	Severe Thunderstorm Warning	GRR	Kalamazoo	54 min
Jun 8, 2:06 PM EDT	Severe Thunderstorm Warning	IWX	Saint Joseph	24 min
Jun 8, 2:27 PM EDT	Severe Thunderstorm Warning	GRR	Barry	63 min
Jun 8, 2:33 PM EDT	Severe Thunderstorm Warning	GRR	Mecosta	57 min
Jun 8, 2:35 PM EDT	Severe Thunderstorm Warning	GRR	Calhoun	55 min
Jun 8, 2:38 PM EDT	Severe Thunderstorm Warning	APX	Grand Traverse, Kalkaska, Missaukee	57 min
Jun 8, 2:43 PM EDT	Severe Thunderstorm Warning	APX	Wexford	17 min
Jun 8, 3:00 PM EDT	Severe Thunderstorm Warning	GRR	Ionia	60 min
Jun 8, 3:19 PM EDT	Tornado Warning	APX	Kalkaska	41 min
Jun 8, 3:27 PM EDT	Severe Thunderstorm Warning	GRR	Eaton	63 min
Jun 8, 3:28 PM EDT	Severe Thunderstorm Warning	GRR	Clinton, Gratiot	62 min
Jun 8, 3:31 PM EDT	Severe Thunderstorm Warning	GRR	Ingham, Jackson	59 min
Jun 8, 3:37 PM EDT	Severe Thunderstorm Warning	GRR	Clare	53 min
Jun 8, 3:41 PM EDT	Severe Thunderstorm Warning	APX	Crawford	49 min
Jun 8, 3:50 PM EDT	Severe Thunderstorm Warning	APX	Gladwin	40 min
Jun 8, 3:58 PM EDT	Severe Thunderstorm Warning	DTX	Midland, Saginaw	62 min
Jun 8, 4:14 PM EDT	Severe Thunderstorm Warning	APX	Grand Traverse	46 min
Jun 8, 4:14 PM EDT	Tornado Warning	DTX	Livingston	61 min
Jun 8, 4:28 PM EDT	Severe Thunderstorm Warning	DTX	Bay	77 min
Jun 8, 4:30 PM EDT	Severe Thunderstorm Warning	APX	Gladwin	45 min
Jun 8, 4:33 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	57 min
Jun 8, 4:51 PM EDT	Severe Thunderstorm Warning	APX	Ogemaw	54 min
Jun 8, 4:53 PM EDT	Tornado Warning	DTX	Genesee	67 min
Jun 8, 5:00 PM EDT	Severe Thunderstorm Warning	DTX	Saginaw	45 min
Jun 8, 5:13 PM EDT	Severe Thunderstorm Warning	GRR	Lake	47 min
Jun 8, 5:29 PM EDT	Severe Thunderstorm Warning	DTX	Saginaw	16 min
Jun 8, 5:37 PM EDT	Severe Thunderstorm Warning	APX	Wexford	53 min
Jun 8, 5:52 PM EDT	Tornado Warning	DTX	Lapeer	68 min
Jun 8, 5:54 PM EDT	Tornado Warning	GRR	Osceola	36 min
Jun 8, 6:24 PM EDT	Severe Thunderstorm Warning	GRR	Eaton	66 min
Jun 8, 6:29 PM EDT	Severe Thunderstorm Warning	APX	Missaukee	61 min
Jun 8, 6:31 PM EDT	Severe Thunderstorm Warning	APX	Wexford	44 min
Jun 8, 6:51 PM EDT	Severe Thunderstorm Warning	GRR	Clinton	54 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 5.3 hours before the alert went out and 103 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 197 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1139 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 10:53 AM EDT	Mesoscale Discussion	SPC	Lenawee, Macomb, Monroe, Oakland, Washtenaw, Wayne	2 hr
Jun 8, 12:47 PM EDT	Mesoscale Discussion	SPC	Antrim, Barry, Bay, Branch, Calhoun, Cheboygan and 29 more	118 min
Jun 8, 3:43 PM EDT	Mesoscale Discussion	SPC	Alpena, Arenac, Bay, Clinton, Crawford, Genesee and 17 more	107 min
Jun 8, 6:04 PM EDT	Mesoscale Discussion	SPC	Alcona, Alpena, Arenac, Bay, Calhoun, Clare and 32 more	56 min

Nearby

Severe Thunderstorm Watches in Michigan, 2003 Every severe thunderstorm watch in 2003

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.