Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 126, NWS Twin Cities, MN

June 10, 20125 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2012, 5:01 PM CDT for 5 counties in Minnesota. It was in force for 44 min. 2 reports 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 10, 2012, 5:01 PM CDT (22:01 UTC)
Expired: Jun 10, 2012, 5:45 PM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kandiyohi County, MN, Meeker County, MN, Morrison County, MN, Stearns County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 124 km from the middle of the area, began a volume at 22:02 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 10, 5:18 PM CDT	HAIL 1	Avon, MN
Jun 10, 5:34 PM CDT	TSTM WND GST 50	Eden Valley, MN

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 10, 3:03 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.0 hours before the alert went out and 122 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: 73 J/kg
Mixed-layer CIN: -424 J/kg
Mixed-layer LCL: 1491 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 142 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.

287 
WUUS53 KMPX 102201
SVRMPX
MNC067-093-097-145-153-102245-
/O.NEW.KMPX.SV.W.0126.120610T2201Z-120610T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
501 PM CDT SUN JUN 10 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
  NORTHWESTERN MEEKER COUNTY IN CENTRAL MINNESOTA...
  SOUTHWESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
  WESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
  SOUTHEASTERN TODD COUNTY IN CENTRAL MINNESOTA...

* UNTIL 545 PM CDT

* AT 458 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS
  STORM WAS LOCATED 5 MILES SOUTHEAST OF GEORGEVILLE...OR ABOUT 20
  MILES NORTHEAST OF WILLMAR...AND MOVING NORTHEAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  GEORGEVILLE...
  HAWICK...
  BELGRADE...
  NEW LONDON...
  MANANNAH...
  PAYNESVILLE...
  EDEN VALLEY...
  LAKE HENRY...
  ELROSA...
  ROSCOE...
  ST NICHOLAS...
  RICHMOND...
  MEIRE GROVE...
  COLD SPRING...

THERE ARE SEVERAL ADDITIONAL THUNDERSTORMS WITHIN THIS WARNED AREA 
THAT MAY ALSO REACH SEVERE THUNDERSTORM CRITERIA.

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 4574 9484 4608 9440 4518 9445 4527 9498
      4545 9508
TIME...MOT...LOC 2200Z 213DEG 41KT 4540 9484
WIND...HAIL 60MPH 1.00IN

$$

JPC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 5:44 AM CDT	Special Weather Statement	MPX	Stevens	31 min
Jun 10, 6:20 AM CDT	Special Weather Statement	MPX	Stevens	25 min
Jun 10, 6:43 AM CDT	Special Weather Statement	MPX	Douglas, Pope	32 min
Jun 10, 2:31 PM CDT	Special Weather Statement	MPX	Morrison	29 min
Jun 10, 3:03 PM CDT	Special Weather Statement	MPX	Douglas	27 min
Jun 10, 3:25 PM CDT	Special Weather Statement	MPX	Todd	35 min
Jun 10, 3:39 PM CDT	Special Weather Statement	MPX	Chippewa, Pope	51 min
Jun 10, 3:47 PM CDT	Severe Thunderstorm Warning	MPX	Pope	43 min
Jun 10, 3:55 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Stearns	31 min
Jun 10, 3:57 PM CDT	Special Weather Statement	MPX	Redwood, Renville	63 min
Jun 10, 4:01 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Swift	29 min
Jun 10, 4:23 PM CDT	Special Weather Statement	MPX	Stearns, Todd	67 min
Jun 10, 4:39 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	66 min
Jun 10, 4:54 PM CDT	Special Weather Statement	MPX	Kandiyohi, Meeker, Renville	36 min
Jun 10, 4:58 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	47 min
Jun 10, 5:21 PM CDT	Special Weather Statement	MPX	Brown	39 min
Jun 10, 5:28 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Meeker, Morrison, Sherburne, Stearns, Wright	62 min
Jun 10, 5:49 PM CDT	Severe Thunderstorm Warning	MPX	Brown, McLeod, Nicollet, Renville, Sibley	56 min
Jun 10, 6:33 PM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Martin, Watonwan	57 min
Jun 10, 6:33 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Kanabec, Mille Lacs, Morrison, Sherburne	57 min
Jun 10, 6:37 PM CDT	Special Weather Statement	MPX	Anoka, Carver, Hennepin, Wright	53 min
Jun 10, 6:57 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	48 min

Nearby

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.