Alert archive / Michigan / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 522

July 1, 200010 counties in Michigan

The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2000, 8:00 PM EDT for 10 counties in Michigan. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 1, 2000, 8:00 PM EDT (00:00 UTC)
Expired
Jul 2, 2000, 1:00 AM EDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Alger County, MI, Baraga County, MI, Delta County, MI, Dickinson County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Keweenaw County, MI, Marquette County, MI, Ontonagon County, MI

The radar

The Marquette radar (KMQT), 97 km from the middle of the area, began a volume at 00:01 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

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:09 PM EDTSevere Thunderstorm WarningMQTHoughton46 min
Jul 1, 8:46 PM EDTSevere Thunderstorm WarningMQTGogebic, Ontonagon59 min
Jul 1, 8:57 PM EDTSevere Thunderstorm WarningMQTKeweenaw63 min
Jul 1, 9:55 PM EDTSevere Thunderstorm WarningMQTGogebic45 min
Jul 1, 10:40 PM EDTSevere Thunderstorm WarningMQTGogebic45 min

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.0 hours before the alert went out and 292 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, Green Bay/Straub, WI at 00:00Z on 2000-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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, Green Bay/Straub, WI at 00:00Z on 2000-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 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
30 J/kg
Mixed-layer CIN
-190 J/kg
Mixed-layer LCL
1826 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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.

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.