Alert archive / Minnesota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 658

August 7, 200020 counties in Iowa; 47 counties in Minnesota

The Storm Prediction Center issued this severe thunderstorm watch at Aug 7, 2000, 6:45 PM CDT for 20 counties in Iowa; 47 counties in Minnesota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Aug 7, 2000, 6:45 PM CDT (23:45 UTC)
Expired
Aug 8, 2000, 1:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 67 counties

Buena Vista County, IA, Cerro Gordo County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Franklin County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Sioux County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA, Anoka County, MN, Benton County, MN, Big Stone County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 120 km from the middle of the area, began a volume at 23:45 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

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

IssuedProductOfficeCountiesLasted
Aug 7, 7:41 PM CDTSevere Thunderstorm WarningFSDLyon34 min
Aug 7, 7:41 PM CDTSevere Thunderstorm WarningFSDPipestone, Rock34 min
Aug 7, 8:13 PM CDTSevere Thunderstorm WarningFSDO'Brien, Sioux47 min
Aug 7, 8:15 PM CDTSevere Thunderstorm WarningFSDPipestone, Rock30 min
Aug 7, 8:32 PM CDTSevere Thunderstorm WarningFSDMurray28 min
Aug 7, 8:34 PM CDTSevere Thunderstorm WarningMPXBrown41 min
Aug 7, 8:40 PM CDTSevere Thunderstorm WarningFSDLyon35 min
Aug 7, 8:47 PM CDTSevere Thunderstorm WarningFSDCottonwood, Jackson28 min
Aug 7, 8:56 PM CDTSevere Thunderstorm WarningMPXRedwood49 min
Aug 7, 8:58 PM CDTSevere Thunderstorm WarningFSDMurray17 min
Aug 7, 9:06 PM CDTTornado WarningFSDJackson24 min
Aug 7, 9:10 PM CDTSevere Thunderstorm WarningFSDLyon35 min
Aug 7, 9:11 PM CDTSevere Thunderstorm WarningMPXBrown, Martin, Watonwan64 min
Aug 7, 9:14 PM CDTSevere Thunderstorm WarningFSDCottonwood, Murray31 min
Aug 7, 9:14 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Nicollet61 min
Aug 7, 9:34 PM CDTTornado WarningMPXMartin41 min
Aug 7, 9:38 PM CDTSevere Thunderstorm WarningMPXRenville, Sibley52 min
Aug 7, 9:46 PM CDTSevere Thunderstorm WarningFSDCottonwood, Jackson29 min
Aug 7, 9:57 PM CDTSevere Thunderstorm WarningFSDPlymouth, Sioux33 min
Aug 7, 9:58 PM CDTSevere Thunderstorm WarningMPXMcLeod62 min
Aug 7, 10:14 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet46 min
Aug 7, 10:21 PM CDTSevere Thunderstorm WarningMPXCarver, Scott54 min
Aug 7, 10:21 PM CDTSevere Thunderstorm WarningMPXWright54 min
Aug 7, 10:29 PM CDTSevere Thunderstorm WarningFSDPlymouth31 min
Aug 7, 10:41 PM CDTSevere Thunderstorm WarningMPXHennepin64 min
Aug 7, 10:44 PM CDTSevere Thunderstorm WarningFSDClay, O'Brien31 min
Aug 7, 10:58 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice62 min
Aug 7, 10:59 PM CDTSevere Thunderstorm WarningFSDSioux16 min
Aug 7, 11:22 PM CDTSevere Thunderstorm WarningDMXPalo Alto38 min
Aug 7, 11:47 PM CDTSevere Thunderstorm WarningFSDPlymouth28 min
Aug 8, 12:05 AM CDTSevere Thunderstorm WarningDMXWorth40 min
Aug 8, 12:18 AM CDTSevere Thunderstorm WarningFSDPlymouth27 min
Aug 8, 12:46 AM CDTSevere Thunderstorm WarningFSDCherokee, Plymouth29 min

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.8 hours before the alert went out and 269 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, Aberdeen, SD at 12:00Z on 2000-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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, Aberdeen, SD at 12:00Z on 2000-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
42 J/kg
Mixed-layer CIN
-242 J/kg
Mixed-layer LCL
1640 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
265 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Aug 7, 4:30 PM CDTSevere Thunderstorm WatchSPCBig Stone, Traverse6 hr

Nearby

Severe Thunderstorm Watches in Minnesota, 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.