Alert archive / Ohio / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 303

May 18, 20006 counties in Indiana; 15 counties in Michigan; 34 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at May 18, 2000, 1:30 PM EST for 6 counties in Indiana; 15 counties in Michigan; 34 counties in Ohio. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 18, 2000, 1:30 PM EST (18:30 UTC)
Expired
May 18, 2000, 7:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 55 counties

Adams County, IN, Allen County, IN, DeKalb County, IN, LaGrange County, IN, Noble County, IN, Steuben County, IN, Barry County, MI, Branch County, MI, Calhoun County, MI, Eaton County, MI, Hillsdale County, MI, Ingham County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Livingston County, MI, Monroe County, MI, Oakland County, MI, Saint Joseph County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Auglaize County, OH, Champaign County, OH, Clark County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Franklin County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH

The radar

The Northern Indiana radar (KIWX), 104 km from the middle of the area, began a volume at 18:31 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

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

IssuedProductOfficeCountiesLasted
May 18, 1:43 PM ESTSevere Thunderstorm WarningGRRKalamazoo32 min
May 18, 1:52 PM ESTSevere Thunderstorm WarningILNLogan, Shelby38 min
May 18, 2:07 PM ESTSevere Thunderstorm WarningDTXMonroe53 min
May 18, 2:13 PM ESTSevere Thunderstorm WarningGRRKalamazoo32 min
May 18, 2:22 PM ESTSevere Thunderstorm WarningGRRCalhoun23 min
May 18, 2:23 PM ESTSevere Thunderstorm WarningILNDarke37 min
May 18, 2:38 PM ESTSevere Thunderstorm WarningGRREaton37 min
May 18, 2:41 PM ESTSevere Thunderstorm WarningDTXLivingston49 min
May 18, 2:50 PM ESTSevere Thunderstorm WarningILNMiami40 min
May 18, 3:00 PM ESTSevere Thunderstorm WarningDTXOakland45 min
May 18, 3:08 PM ESTSevere Thunderstorm WarningILNChampaign37 min
May 18, 3:40 PM ESTSevere Thunderstorm WarningGRRBarry45 min
May 18, 3:41 PM ESTSevere Thunderstorm WarningILNMadison29 min
May 18, 4:09 PM ESTSevere Thunderstorm WarningGRREaton41 min
May 18, 4:32 PM ESTSevere Thunderstorm WarningGRRKalamazoo33 min

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.5 hours before the alert went out and 148 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 2000-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 12:00Z on 2000-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
16 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
707 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
153 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
May 18, 11:00 AM ESTTornado WatchSPCAdams, Allen, Benton, Blackford, Boone, Carroll and 50 more5 hr
May 18, 6:00 PM ESTTornado WatchSPCBenton, Carroll, Cass, Fountain, Fulton, Jasper and 15 more5 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2000Severe Thunderstorm Watches in Michigan, 2000Severe Thunderstorm Watches in Indiana, 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.