Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 116, NWS Twin Cities, MN

June 20, 2007Rusk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 20, 2007, 3:45 PM CDT for Rusk County, Wisconsin. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 20, 2007, 3:45 PM CDT (20:45 UTC)
Expired: Jun 20, 2007, 4:30 PM CDT
In force: 45 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Rusk County, WI

The radar

The Duluth radar (KDLH), 179 km from the middle of the area, began a volume at 20:45 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.

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 20, 2:10 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.8 hours before the alert went out and 245 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1326 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 202045
SVRMPX
WIC107-202130-
/O.NEW.KMPX.SV.W.0116.070620T2045Z-070620T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
345 PM CDT WED JUN 20 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RUSK COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 430 PM CDT

* AT 342 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 22 MILES NORTHWEST OF
  HAWKINS...OR ABOUT 16 MILES NORTH OF LADYSMITH...AND MOVING
  SOUTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HAWKINS...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 4563 9070 4564 9120 4538 9092 4538 9067

$$

KAT

2 follow-up statements

000 
WWUS53 KMPX 202054
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
354 PM CDT WED JUN 20 2007

WIC107-202130-
/O.CON.KMPX.SV.W.0116.000000T0000Z-070620T2130Z/
RUSK WI-
354 PM CDT WED JUN 20 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR RUSK COUNTY...

AT 350 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND 65 MPH 
WINDS. THIS STORM WAS LOCATED 11 MILES NORTHWEST OF GLEN FLORA...OR 
ABOUT 12 MILES SOUTH OF WINTER...AND MOVING SOUTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE INGRAM...HAWKINS AND GLEN
FLORA.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4563 9070 4563 9113 4538 9092 4538 9067

$$

KAT

000 
WWUS53 KMPX 202132
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
431 PM CDT WED JUN 20 2007

WIC107-202141-
/O.EXP.KMPX.SV.W.0116.000000T0000Z-070620T2130Z/
RUSK WI-
431 PM CDT WED JUN 20 2007

...THE SEVERE THUNDERSTORM WARNING FOR RUSK COUNTY EXPIRED AT 430 PM
CDT...

SEVERE STORMS HAVE ENDED OR MOVED OUT OF COUNTY. ADDITIONAL 
THUNDERSTORMS REMAIN POSSIBLE THIS AFTERNOON AND EVENING SO REMAIN 
ALERT FOR POSSIBLE WARNINGS.

PLEASE REPORT ANY CURRENT OR PAST SEVERE WEATHER TO LOCAL LAW 
ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4563 9070 4563 9113 4538 9092 4538 9067

$$

KAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 5:14 PM CDT	Severe Thunderstorm Warning	MPX	Polk	46 min
Jun 20, 5:43 PM CDT	Severe Thunderstorm Warning	MPX	Barron	62 min
Jun 20, 6:18 PM CDT	Severe Thunderstorm Warning	MPX	Polk	57 min
Jun 20, 6:30 PM CDT	Severe Thunderstorm Warning	MPX	Rusk	60 min
Jun 20, 6:42 PM CDT	Severe Thunderstorm Warning	MPX	Barron	63 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2007 Every severe thunderstorm warning in 2007

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.