Alert archive / Illinois / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 442

June 13, 200044 counties in Illinois; 14 counties in Iowa

The Storm Prediction Center issued this severe thunderstorm watch at Jun 13, 2000, 2:15 PM CDT for 44 counties in Illinois; 14 counties in Iowa. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2000, 2:15 PM CDT (19:15 UTC)
Expired
Jun 13, 2000, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 58 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Brown County, IL, Bureau County, IL, Carroll County, IL, Cass County, IL, Champaign County, IL, DeKalb County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Ford County, IL, Fulton County, IL, Grundy County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McLean County, IL, Menard County, IL, Mercer County, IL, Morgan County, IL, Moultrie County, IL, Ogle County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Rock Island County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Winnebago County, IL, Woodford County, IL

The radar

The Quad Cities radar (KDVN), 32 km from the middle of the area, began a volume at 19:18 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

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

IssuedProductOfficeCountiesLasted
Jun 13, 3:30 PM CDTSevere Thunderstorm WarningDVNLouisa45 min
Jun 13, 3:41 PM CDTSevere Thunderstorm WarningDVNRock Island49 min
Jun 13, 3:44 PM CDTSevere Thunderstorm WarningDVNHenderson46 min
Jun 13, 4:00 PM CDTFlash Flood WarningDVNScott4 hr
Jun 13, 4:03 PM CDTSevere Thunderstorm WarningDVNMercer42 min
Jun 13, 4:06 PM CDTSevere Thunderstorm WarningDVNHenry, Rock Island39 min
Jun 13, 4:30 PM CDTSevere Thunderstorm WarningDVNWhiteside45 min
Jun 13, 4:37 PM CDTSevere Thunderstorm WarningDVNHenry, Rock Island53 min
Jun 13, 5:08 PM CDTSevere Thunderstorm WarningDVNStephenson52 min
Jun 13, 5:11 PM CDTSevere Thunderstorm WarningDVNWhiteside49 min

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.3 hours before the alert went out and 30 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, Davenport, at 12:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 671 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, Davenport, at 12:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 356 square meters per square second.1939Sfc1 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
671 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
356 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.1

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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 11:45 AM CDTSevere Thunderstorm WatchSPCAdams, Hancock, Pike5 hr
Jun 12, 11:00 PM CDTSevere Thunderstorm WatchSPCPlymouth5 hr
Jun 13, 2:00 PM CDTTornado WatchSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 18 more6 hr
Jun 13, 5:30 PM CDTTornado WatchSPCAdair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 41 more7 hr

Nearby

Severe Thunderstorm Watches in Illinois, 2000Severe Thunderstorm Watches in Iowa, 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.