Alert archive / Michigan / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 9, NWS Grand Rapids, MI

April 12, 1996Muskegon County, Newaygo County, Oceana County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Apr 12, 1996, 9:06 AM EDT for Muskegon County, Newaygo County, Oceana County, Michigan. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 12, 1996, 9:06 AM EDT (13:06 UTC)
Expired
Apr 12, 1996, 10:15 AM EDT
In force
69 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

Counties Muskegon County, MI, Newaygo County, MI, Oceana County, MI

The radar

The Grand Rapids radar (KGRR), 80 km from the middle of the area, began a volume at 13:07 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 1.1 hours before the alert went out and 194 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 12:00Z on 1996-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 1996-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
479 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 12:25 PM EDTSevere Thunderstorm WarningGRRMason, Oceana50 min
Apr 12, 1:11 PM EDTSevere Thunderstorm WarningGRRMuskegon, Newaygo, Oceana64 min
Apr 12, 1:34 PM EDTSevere Thunderstorm WarningGRRBerrien41 min
Apr 12, 1:53 PM EDTSevere Thunderstorm WarningGRRCass, Van Buren67 min
Apr 12, 2:25 PM EDTSevere Thunderstorm WarningGRRKalamazoo, Saint Joseph50 min
Apr 12, 2:43 PM EDTSevere Thunderstorm WarningGRRClinton32 min
Apr 12, 2:57 PM EDTSevere Thunderstorm WarningGRRBranch63 min
Apr 12, 3:21 PM EDTSevere Thunderstorm WarningGRRHillsdale69 min
Apr 12, 5:03 PM EDTSevere Thunderstorm WarningGRROttawa42 min
Apr 12, 5:48 PM EDTSevere Thunderstorm WarningGRRAllegan, Ottawa42 min
Apr 12, 6:58 PM EDTSevere Thunderstorm WarningGRRIonia32 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1996Every severe thunderstorm warning in 1996

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.