Alert archive / Michigan / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 403

June 1, 200031 counties in Michigan

The Storm Prediction Center issued this severe thunderstorm watch at Jun 1, 2000, 8:30 PM EDT for 31 counties in Michigan. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 1, 2000, 8:30 PM EDT (00:30 UTC)
Expired
Jun 2, 2000, 2:00 AM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Allegan County, MI, Barry County, MI, Bay County, MI, Calhoun County, MI, Clare County, MI, Clinton County, MI, Eaton County, MI, Gladwin County, MI, Gratiot County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lake County, MI, Manistee County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Ogemaw County, MI, Osceola County, MI, Ottawa County, MI, Roscommon County, MI, Saginaw County, MI, Shiawassee County, MI, Van Buren County, MI, Wexford County, MI

The radar

The Grand Rapids radar (KGRR), 16 km from the middle of the area, began a volume at 00:32 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

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

IssuedProductOfficeCountiesLasted
Jun 1, 9:04 PM EDTSevere Thunderstorm WarningAPXOgemaw, Oscoda, Roscommon41 min
Jun 1, 9:37 PM EDTSevere Thunderstorm WarningGRRMuskegon38 min
Jun 1, 9:47 PM EDTSevere Thunderstorm WarningGRRLake, Newaygo28 min
Jun 1, 10:17 PM EDTSevere Thunderstorm WarningGRRMecosta, Montcalm43 min
Jun 1, 10:29 PM EDTSevere Thunderstorm WarningGRRKent31 min
Jun 1, 10:35 PM EDTSevere Thunderstorm WarningGRRAllegan, Van Buren40 min
Jun 1, 10:49 PM EDTSevere Thunderstorm WarningGRRIonia26 min
Jun 1, 11:00 PM EDTSevere Thunderstorm WarningGRRBarry30 min
Jun 1, 11:03 PM EDTSevere Thunderstorm WarningGRRGratiot, Montcalm27 min
Jun 1, 11:15 PM EDTSevere Thunderstorm WarningGRRKalamazoo45 min
Jun 1, 11:19 PM EDTSevere Thunderstorm WarningGRRClinton, Eaton41 min
Jun 1, 11:33 PM EDTSevere Thunderstorm WarningDTXShiawassee57 min
Jun 1, 11:54 PM EDTSevere Thunderstorm WarningGRRIngham36 min

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.5 hours before the alert went out and 170 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 2000-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 692 joules per kilogram.LCLLFCEL10008507005003002001001 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 2000-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 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
692 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1425 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
442 m²/s²
Significant tornado parameter
0.4
Supercell composite
8.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 11:45 PM EDTSevere Thunderstorm WatchSPCArenac, Genesee, Huron, Lapeer, Lenawee, Livingston and 8 more3 hr

Nearby

Severe Thunderstorm Watches in Michigan, 2000Every severe thunderstorm watch in 2000

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.