Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 163, NWS Twin Cities, MN

June 18, 2001Pierce County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 18, 2001, 10:16 PM CDT for Pierce County, Wisconsin. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 18, 2001, 10:16 PM CDT (03:16 UTC)
Expired: Jun 18, 2001, 11:00 PM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Pierce County, WI

The radar

The Minneapolis radar (KMPX), 89 km from the middle of the area, began a volume at 03:17 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 18, 7:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.3 hours before the alert went out and 92 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2360 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1718 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 13.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

225 
WUUS53 KMPX 190316
SVRMSP
WIC093-190400-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1016 PM CDT MON JUN 18 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PIERCE COUNTY IN WISCONSIN

* UNTIL 1100 PM CDT

* AT 1016 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH        
  LARGE HAIL NEAR HAGER CITY 3 MILES NORTHWEST OF BAY CITY...OR      
  ABOUT 6 MILES NORTHEAST OF RED WING...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  ELLSWORTH.
  BAY CITY.
  PLUM CITY.

LAT...LON 4467 9267 4457 9245 4472 9215 4487 9236

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 8:27 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	33 min
Jun 18, 9:46 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	44 min
Jun 18, 10:07 PM CDT	Severe Thunderstorm Warning	MPX	Dunn	53 min
Jun 18, 10:25 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire	65 min
Jun 18, 10:29 PM CDT	Severe Thunderstorm Warning	MPX	Pepin	61 min
Jun 18, 10:48 PM CDT	Severe Thunderstorm Warning	MPX	Rusk	57 min
Jun 18, 11:25 PM CDT	Severe Thunderstorm Warning	MPX	Dunn	35 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2001 Every severe thunderstorm warning in 2001

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.