Alert archive / Wisconsin / Tornado Warnings in 2017

Tornado Warning 8, NWS Twin Cities, MN

May 16, 2017Rusk County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at May 16, 2017, 5:37 PM CDT for Rusk County, Wisconsin. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 16, 2017, 5:37 PM CDT (22:37 UTC)
Expired: May 16, 2017, 6:15 PM CDT
In force: 38 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

County Rusk County, WI

The radar

The Duluth radar (KDLH), 169 km from the middle of the area, began a volume at 22:36 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.

What was reported inside it

Time	Report	Where	Remark
May 16, 6:15 PM CDT	TORNADO	5 Wsw Weyerhaeuser, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 16, 4:02 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 186 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: 241 J/kg
Mixed-layer CIN: -181 J/kg
Mixed-layer LCL: 1186 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -35 m²/s²
0-3 km storm-relative helicity: -4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.3

Open this sounding in Storm Lab

The text

As transmitted.

391 
WFUS53 KMPX 162237
TORMPX
WIC107-162315-
/O.NEW.KMPX.TO.W.0008.170516T2237Z-170516T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
537 PM CDT TUE MAY 16 2017

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Western Rusk County in northwestern Wisconsin...

* Until 615 PM CDT
    
* At 537 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Sumner, or 10 miles southeast of Rice Lake, moving
  east at 35 mph.

  HAZARD...Tornado and ping pong ball size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Weyerhaeuser around 550 PM CDT. 
  Bruce around 605 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4535 9154 4550 9154 4559 9115 4535 9109
TIME...MOT...LOC 2237Z 254DEG 31KT 4540 9156 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

jrb

3 follow-up statements

116 
WWUS53 KMPX 162252
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
552 PM CDT TUE MAY 16 2017

WIC107-162315-
/O.CON.KMPX.TO.W.0008.000000T0000Z-170516T2315Z/
Rusk WI-
552 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR WESTERN
RUSK COUNTY...
    
At 551 PM CDT, a confirmed tornado was located over Weyerhaeuser, or
15 miles west of Ladysmith, moving east at 30 mph.

HAZARD...Damaging tornado and ping pong ball size hail. 

SOURCE...Public confirmed tornado. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornado will be near...
  Bruce around 605 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4535 9146 4545 9151 4559 9115 4535 9109
TIME...MOT...LOC 2251Z 260DEG 27KT 4541 9141 

TORNADO...OBSERVED
HAIL...1.50IN

$$

jrb

296 
WWUS53 KMPX 162259
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
559 PM CDT TUE MAY 16 2017

WIC107-162315-
/O.CON.KMPX.TO.W.0008.000000T0000Z-170516T2315Z/
Rusk WI-
559 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
SOUTHWESTERN RUSK COUNTY...
    
At 559 PM CDT, a confirmed tornado was located near Bruce, or 11
miles west of Ladysmith, moving east at 35 mph.

HAZARD...Damaging tornado and ping pong ball size hail. 

SOURCE...Public confirmed tornado. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornado will be near...
  Bruce around 605 PM CDT. 
  Ladysmith around 615 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4536 9139 4545 9141 4556 9114 4535 9109
TIME...MOT...LOC 2259Z 254DEG 31KT 4541 9133 

TORNADO...OBSERVED
HAIL...1.50IN

$$

jrb

993 
WWUS53 KMPX 162305
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
605 PM CDT TUE MAY 16 2017

WIC107-162315-
/O.CON.KMPX.TO.W.0008.000000T0000Z-170516T2315Z/
Rusk WI-
605 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTH
CENTRAL RUSK COUNTY...
    
At 605 PM CDT, a confirmed tornado was located near Bruce, or 8 miles
southwest of Ladysmith, moving east at 35 mph.

HAZARD...Damaging tornado and ping pong ball size hail. 

SOURCE...Public confirmed tornado. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornado will be near...
  Ladysmith around 615 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4536 9133 4543 9133 4552 9113 4535 9109
TIME...MOT...LOC 2305Z 277DEG 30KT 4540 9125 

TORNADO...OBSERVED
HAIL...1.50IN

$$

jrb

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 2:54 PM CDT	Flash Flood Watch	MPX	Chippewa, Dunn, Eau Claire, Pepin, Pierce, Rusk	12 hr
May 16, 4:01 PM CDT	Severe Thunderstorm Warning	MPX	Polk, Saint Croix	44 min
May 16, 4:06 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	39 min
May 16, 4:38 PM CDT	Severe Thunderstorm Warning	MPX	Saint Croix	52 min
May 16, 4:39 PM CDT	Tornado Warning	MPX	Barron, Polk	51 min
May 16, 4:55 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Rusk	65 min
May 16, 5:05 PM CDT	Tornado Warning	MPX	Barron	55 min
May 16, 5:28 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Saint Croix	47 min
May 16, 6:01 PM CDT	Tornado Warning Tornado observed	MPX	Rusk	59 min
May 16, 6:10 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Rusk	65 min
May 16, 6:14 PM CDT	Tornado Warning	MPX	Chippewa	35 min
May 16, 6:16 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	44 min
May 16, 6:58 PM CDT	Severe Thunderstorm Warning	MPX	Pepin, Pierce	47 min

Nearby

Tornado Warnings in Wisconsin, 2017 Every tornado warning in 2017 Tornadoes in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.