Alert archive / Indiana / Severe Thunderstorm Watches in 1998

Severe Thunderstorm Watch 892

November 10, 199824 counties in Indiana; 19 counties in Michigan

The Storm Prediction Center issued this severe thunderstorm watch at Nov 10, 1998, 9:15 AM EST for 24 counties in Indiana; 19 counties in Michigan. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Nov 10, 1998, 9:15 AM EST (14:15 UTC)
Expired
Nov 10, 1998, 2:00 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 43 counties

Allen County, IN, Benton County, IN, Carroll County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, White County, IN, Whitley County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clinton County, MI, Eaton County, MI, Gratiot County, MI, Hillsdale County, MI, Ingham County, MI, Ionia County, MI, Kalamazoo County, MI, Kent County, MI, Montcalm County, MI, Saginaw County, MI, Saint Joseph County, MI, Shiawassee County, MI, Van Buren County, MI

The radar

The Northern Indiana radar (KIWX), 40 km from the middle of the area, began a volume at 14:15 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
Nov 10, 9:17 AM ESTTornado WarningIWXCass, White33 min
Nov 10, 9:31 AM ESTSevere Thunderstorm WarningINDCarroll44 min
Nov 10, 10:15 AM ESTSevere Thunderstorm WarningINDHoward, Tipton45 min
Nov 10, 10:27 AM ESTSevere Thunderstorm WarningIWXElkhart, Kosciusko48 min
Nov 10, 10:34 AM ESTSevere Thunderstorm WarningIWXMiami, Wabash46 min
Nov 10, 10:47 AM ESTSevere Thunderstorm WarningIWXNoble, Whitley48 min
Nov 10, 10:47 AM ESTSevere Thunderstorm WarningIWXLaGrange48 min
Nov 10, 10:59 AM ESTSevere Thunderstorm WarningIWXGrant, Huntington46 min
Nov 10, 11:17 AM ESTSevere Thunderstorm WarningIWXBranch48 min
Nov 10, 11:33 AM ESTSevere Thunderstorm WarningIWXDeKalb, Steuben62 min
Nov 10, 11:33 AM ESTSevere Thunderstorm WarningIWXAllen62 min
Nov 10, 11:51 AM ESTSevere Thunderstorm WarningIWXHillsdale74 min
Nov 10, 12:49 PM ESTSevere Thunderstorm WarningDTXShiawassee31 min

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 2.3 hours before the alert went out and 249 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 12:00Z on 1998-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1998-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 499 square meters per square second.1939587897Sfc1 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
665 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
499 m²/s²
0-3 km storm-relative helicity
524 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 10, 5:00 AM ESTSevere Thunderstorm WatchSPCLake, Newton, Porter5 hr
Nov 10, 7:00 AM ESTTornado WatchSPCBartholomew, Boone, Brown, Clay, Clinton, Crawford and 35 more5 hr
Nov 10, 11:30 AM ESTSevere Thunderstorm WatchSPCClark, Floyd, Jefferson, Scott, Switzerland5 hr
Nov 10, 11:45 AM ESTSevere Thunderstorm WatchSPCAdams, Dearborn, Decatur, Fayette, Franklin, Henry and 9 more5 hr

Nearby

Severe Thunderstorm Watches in Indiana, 1998Severe Thunderstorm Watches in Michigan, 1998Every severe thunderstorm watch in 1998

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.