Alert archive / Minnesota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 726

September 9, 200015 counties in Minnesota; 14 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Sep 9, 2000, 10:00 PM CDT for 15 counties in Minnesota; 14 counties in Wisconsin. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Sep 9, 2000, 10:00 PM CDT (03:00 UTC)
Expired
Sep 10, 2000, 3:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 29 counties

Anoka County, MN, Carlton County, MN, Carver County, MN, Chisago County, MN, Cook County, MN, Dakota County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Lake County, MN, Pine County, MN, Ramsey County, MN, Saint Louis County, MN, Scott County, MN, Washington County, MN, Ashland County, WI, Barron County, WI, Bayfield County, WI, Burnett County, WI, Chippewa County, WI, Douglas County, WI, Dunn County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Washburn County, WI

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Sep 9, 10:00 PM CDTSevere Thunderstorm WarningDLHSaint Louis60 min

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.0 hours before the alert went out and 172 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, Minneapolis, MN at 00:00Z on 2000-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1790 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, Minneapolis, MN at 00:00Z on 2000-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 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
1790 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1690 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
493 m²/s²
Significant tornado parameter
1.4
Supercell composite
11.9

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Minnesota, 2000Severe Thunderstorm Watches in Wisconsin, 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.