Alert archive / Iowa / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 448

June 13, 200010 counties in Illinois; 22 counties in Iowa; 16 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 13, 2000, 9:00 PM CDT for 10 counties in Illinois; 22 counties in Iowa; 16 counties in Wisconsin. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2000, 9:00 PM CDT (02:00 UTC)
Expired
Jun 14, 2000, 2:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 48 counties

Allamakee County, IA, Cedar County, IA, Clayton County, IA, Clinton County, IA, Davis County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Carroll County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, Mercer County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Adams County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Grant County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Juneau County, WI, La Crosse County, WI, Lafayette County, WI, Marquette County, WI, Monroe County, WI, Richland County, WI, Sauk County, WI, Vernon County, WI

The radar

The Quad Cities radar (KDVN), 51 km from the middle of the area, began a volume at 02:03 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

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

IssuedProductOfficeCountiesLasted
Jun 13, 9:16 PM CDTSevere Thunderstorm WarningDVNKeokuk, Washington44 min
Jun 13, 9:55 PM CDTFlash Flood WarningDVNIowa4 hr
Jun 13, 10:01 PM CDTSevere Thunderstorm WarningDVNJones29 min
Jun 13, 10:40 PM CDTFlash Flood WarningDVNJohnson4 hr
Jun 13, 10:44 PM CDTSevere Thunderstorm WarningDVNLee, Van Buren31 min
Jun 13, 11:07 PM CDTFlash Flood WarningMKXIowa, Sauk6 hr
Jun 13, 11:10 PM CDTFlash Flood WarningDVNCedar4 hr
Jun 13, 11:24 PM CDTFlash Flood WarningDVNRock Island4 hr
Jun 13, 11:31 PM CDTSevere Thunderstorm WarningDVNHenderson, McDonough, Warren44 min
Jun 13, 11:37 PM CDTSevere Thunderstorm WarningILXFulton, Knox53 min
Jun 13, 11:49 PM CDTFlash Flood WarningDVNCarroll, Jo Daviess, Stephenson4 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.0 hours before the alert went out and 55 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 00:00Z on 2000-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 306 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 00:00Z on 2000-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
306 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

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 14, 12:30 PM CDTSevere Thunderstorm WatchSPCBond, Champaign, Christian, Clark, Clay, Clinton and 29 more6 hr

Nearby

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