Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 152, NWS Twin Cities, MN

June 14, 2012Barron County, Polk County, Saint Croix County, Wisconsin; Chisago County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 14, 2012, 2:58 PM CDT for Barron County, Polk County, Saint Croix County, Wisconsin; Chisago County, Minnesota. It was in force for 47 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: Jun 14, 2012, 2:58 PM CDT (19:58 UTC)
Expired: Jun 14, 2012, 3:45 PM CDT
In force: 47 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chisago County, MN, Barron County, WI, Polk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 116 km from the middle of the area, began a volume at 19:59 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
Jun 14, 3:05 PM CDT	HAIL 0.88	St Croix Falls, WI	HAIL RANGED BETWEEN DIME AND NICKEL SIZE.

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
Jun 14, 2:45 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.0 hours before the alert went out and 118 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: 1268 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 475 m²/s²
0-3 km storm-relative helicity: 442 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

520 
WUUS53 KMPX 141958
SVRMPX
MNC025-WIC005-095-109-142045-
/O.NEW.KMPX.SV.W.0152.120614T1958Z-120614T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
258 PM CDT THU JUN 14 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHISAGO COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN BARRON COUNTY IN NORTHWEST WISCONSIN...
  POLK COUNTY IN NORTHWEST WISCONSIN...
  NORTH CENTRAL ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 345 PM CDT

* AT 254 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS
  STORM WAS LOCATED NEAR WANDEROOS...OR ABOUT 11 MILES WEST OF
  AMERY...AND MOVING EAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  BALSAM LAKE...
  AMERY...
  STAR PRAIRIE...
  DRESSER...
  OSCEOLA...
  ST CROIX FALLS...
  TAYLORS FALLS...
  WANDEROOS...
  CENTURIA...
  MILLTOWN...
  LUCK...
  CLEAR LAKE...
  FREDERIC...
  RANGE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4569 9245 4535 9160 4525 9195 4516 9268
      4532 9277
TIME...MOT...LOC 1958Z 249DEG 41KT 4529 9252
WIND...HAIL 60MPH 1.00IN

$$

AJZ

1 follow-up statement

135 
WWUS53 KMPX 142021
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
321 PM CDT THU JUN 14 2012

MNC025-WIC109-142034-
/O.CAN.KMPX.SV.W.0152.000000T0000Z-120614T2045Z/
CHISAGO MN-ST. CROIX WI-
321 PM CDT THU JUN 14 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ST. CROIX AND
SOUTHEASTERN CHISAGO COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4535 9161 4522 9229 4552 9259 4569 9244
      4555 9210
TIME...MOT...LOC 2019Z 249DEG 54KT 4556 9196

$$

WIC005-095-142045-
/O.CON.KMPX.SV.W.0152.000000T0000Z-120614T2045Z/
BARRON WI-POLK WI-
321 PM CDT THU JUN 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN POLK
AND SOUTHERN BARRON COUNTIES UNTIL 345 PM CDT...

AT 305 PM CDT...TRAINED WEATHER SPOTTERS REPORTED NICKEL SIZE HAIL WITH
THIS STORM.  THIS STORM WAS LOCATED NEAR CUMBERLAND...OR 13 MILES 
WEST OF RICE LAKE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BARRON.
  TURTLE LAKE.
  COMSTOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4535 9161 4522 9229 4552 9259 4569 9244
      4555 9210
TIME...MOT...LOC 2019Z 249DEG 54KT 4556 9196
WIND...HAIL 60MPH 1.00IN

$$

AJZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 6:50 AM CDT	Special Weather Statement	MPX	Barron	55 min
Jun 14, 7:17 AM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn	38 min
Jun 14, 7:54 AM CDT	Special Weather Statement	MPX	Barron	51 min
Jun 14, 9:11 AM CDT	Special Weather Statement	MPX	Polk	49 min
Jun 14, 12:52 PM CDT	Special Weather Statement	MPX	Saint Croix	53 min
Jun 14, 1:22 PM CDT	Areal Flood Advisory	MPX	Barron, Chippewa, Dunn, Polk, Rusk, Saint Croix	3 hr
Jun 14, 2:09 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Polk	36 min
Jun 14, 3:25 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Rusk	35 min
Jun 14, 4:54 PM CDT	Severe Thunderstorm Warning	MPX	Pepin	36 min
Jun 14, 4:31 AM CDT	Special Weather Statement	MPX	Douglas	44 min
Jun 14, 4:36 AM CDT	Special Weather Statement	MPX	Isanti	39 min
Jun 14, 4:53 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Todd	67 min
Jun 14, 5:57 AM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns	63 min
Jun 14, 7:12 AM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	48 min
Jun 14, 8:09 AM CDT	Special Weather Statement	MPX	McLeod, Wright	51 min
Jun 14, 8:48 AM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Hennepin, McLeod, Meeker, Ramsey and 3 more	3 hr
Jun 14, 9:22 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Scott, Sibley	27 min
Jun 14, 9:41 AM CDT	Areal Flood Advisory	MPX	Dakota, Hennepin, Ramsey, Scott, Washington	3 hr
Jun 14, 10:22 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Hennepin, Le Sueur, Rice, Scott	38 min
Jun 14, 11:52 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Le Sueur, Nicollet, Ramsey, Rice and 2 more	68 min
Jun 14, 12:00 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Le Sueur, Scott, Sibley	45 min
Jun 14, 12:26 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey, Scott, Washington	49 min
Jun 14, 12:44 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Le Sueur, Nicollet, Rice, Scott, Sibley	46 min
Jun 14, 2:30 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Le Sueur, Rice	45 min
Jun 14, 2:59 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice	46 min
Jun 14, 3:29 PM CDT	Special Weather Statement	MPX	Carver, Le Sueur, Nicollet, Scott, Sibley	46 min
Jun 14, 3:45 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	45 min
Jun 14, 4:23 PM CDT	Special Weather Statement	MPX	Le Sueur	52 min
Jun 14, 4:37 PM CDT	Special Weather Statement	MPX	Nicollet	38 min
Jun 14, 5:14 PM CDT	Special Weather Statement	MPX	Goodhue	46 min
Jun 14, 5:22 PM CDT	Special Weather Statement	MPX	Le Sueur	38 min
Jun 14, 5:32 PM CDT	Areal Flood Advisory	MPX	Dakota, Goodhue, Le Sueur, Rice, Scott	3 hr
Jun 14, 5:57 PM CDT	Flash Flood Warning	MPX	Dakota, Goodhue, Rice	4 hr
Jun 14, 6:58 PM CDT	Special Weather Statement	MPX	Goodhue	32 min
Jun 14, 6:59 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2012 Severe Thunderstorm Warnings in Minnesota, 2012 Every severe thunderstorm warning in 2012

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.