Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 180, NWS Twin Cities, MN

June 17, 2012McLeod County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2012, 11:32 PM CDT for McLeod County, Renville County, Minnesota. It was in force for 43 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 17, 2012, 11:32 PM CDT (04:32 UTC)
Expired: Jun 18, 2012, 12:15 AM CDT
In force: 43 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties McLeod County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 67 km from the middle of the area, began a volume at 04:34 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 17, 11:44 PM CDT	HAIL 1	2 W Stewart, MN	HAIL OCCURRED AT HWY 212.

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 17, 7:57 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.5 hours before the alert went out and 65 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: 1837 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 492 m²/s²
0-3 km storm-relative helicity: 747 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

126 
WUUS53 KMPX 180432
SVRMPX
MNC085-129-180515-
/O.NEW.KMPX.SV.W.0180.120618T0432Z-120618T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1132 PM CDT SUN JUN 17 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCLEOD COUNTY IN CENTRAL MINNESOTA...
  NORTHEASTERN RENVILLE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1215 AM CDT

* AT 1130 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS
  STORM WAS LOCATED NEAR BUFFALO LAKE...OR ABOUT 14 MILES SOUTHWEST
  OF HUTCHINSON...AND MOVING EAST AT 40 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  HUTCHINSON...
  BUFFALO LAKE...
  LAKESIDE...
  STEWART...
  BROWNTON...
  BISCAY...
  SILVER LAKE...
  GLENCOE...
  PLATO...
  LESTER PRAIRIE...
  WINSTED...

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 4468 9449 4472 9450 4471 9462 4470 9463
      4489 9468 4489 9450 4492 9449 4498 9402
      4473 9402 4472 9425 4470 9426
TIME...MOT...LOC 0433Z 257DEG 33KT 4476 9456
WIND...HAIL 60MPH 1.00IN

$$

1 follow-up statement

651 
WWUS53 KMPX 180447
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1147 PM CDT SUN JUN 17 2012

MNC129-180501-
/O.CAN.KMPX.SV.W.0180.000000T0000Z-120618T0515Z/
RENVILLE MN-
1147 PM CDT SUN JUN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN RENVILLE COUNTY
IS CANCELLED...

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

LAT...LON 4468 9449 4473 9449 4478 9449 4482 9450
      4490 9450 4492 9449 4498 9402 4473 9402
      4472 9425 4470 9426
TIME...MOT...LOC 0446Z 257DEG 33KT 4479 9440

$$

MNC085-180515-
/O.CON.KMPX.SV.W.0180.000000T0000Z-120618T0515Z/
MCLEOD MN-
1147 PM CDT SUN JUN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MCLEOD COUNTY
UNTIL 1215 AM CDT...

AT 1140 PM CDT...TRAINED WEATHER SPOTTERS IN STEWART REPORTED A 
SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS 
LOCATED NEAR STEWART...OR 8 MILES SOUTH OF HUTCHINSON...MOVING EAST 
AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  HUTCHINSON...BROWNTON...BISCAY...SILVER LAKE...GLENCOE...PLATO...
  LESTER PRAIRIE...WINSTED AND SUMTER.

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 4468 9449 4473 9449 4478 9449 4482 9450
      4490 9450 4492 9449 4498 9402 4473 9402
      4472 9425 4470 9426
TIME...MOT...LOC 0446Z 257DEG 33KT 4479 9440
WIND...HAIL <50MPH 1.00IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:06 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Swift	39 min
Jun 17, 7:12 PM CDT	Tornado Warning	MPX	Chippewa, Swift	48 min
Jun 17, 7:15 PM CDT	Tornado Warning	MPX	Pope, Swift	26 min
Jun 17, 7:21 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Pope, Stevens, Swift	39 min
Jun 17, 7:53 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Pope, Stevens, Swift	67 min
Jun 17, 7:58 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Swift	47 min
Jun 17, 8:06 PM CDT	Tornado Warning	MPX	Chippewa, Kandiyohi, Swift	24 min
Jun 17, 8:25 PM CDT	Tornado Warning	MPX	Chippewa, Lac qui Parle, Swift	35 min
Jun 17, 8:33 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Swift	42 min
Jun 17, 8:36 PM CDT	Areal Flood Advisory	MPX	Chippewa, Kandiyohi, Lac qui Parle, Pope, Renville, Stearns and 2 more	3 hr
Jun 17, 8:45 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Lac qui Parle, Renville, Swift, Yellow Medicine	45 min
Jun 17, 8:56 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Sherburne, Stearns, Wright	49 min
Jun 17, 9:06 PM CDT	Tornado Warning	MPX	Kandiyohi, McLeod, Meeker	24 min
Jun 17, 9:25 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Meeker, Renville	65 min
Jun 17, 9:25 PM CDT	Tornado Warning	MPX	Carver, McLeod, Meeker, Wright	35 min
Jun 17, 9:28 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	47 min
Jun 17, 9:45 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Meeker, Sherburne, Stearns, Wright	45 min
Jun 17, 9:50 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Meeker, Sibley, Wright	40 min
Jun 17, 10:08 PM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, McLeod, Meeker and 6 more	3 hr
Jun 17, 10:24 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Le Sueur, McLeod, Scott, Sibley and 1 more	51 min
Jun 17, 10:24 PM CDT	Tornado Warning	MPX	Renville	36 min
Jun 17, 10:30 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	30 min
Jun 17, 10:41 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker, Renville, Sibley	49 min
Jun 17, 10:50 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi	40 min
Jun 17, 10:57 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	33 min
Jun 17, 11:10 PM CDT	Special Weather Statement	MPX	Dakota, Ramsey, Scott	50 min
Jun 17, 11:22 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet, Rice, Scott, Sibley	38 min
Jun 17, 11:28 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Scott, Washington	32 min
Jun 17, 11:44 PM CDT	Flash Flood Warning	MPX	Dakota, Goodhue, Rice	6 hr
Jun 17, 11:50 PM CDT	Tornado Warning	MPX	Le Sueur	25 min
Jun 17, 11:53 PM CDT	Special Weather Statement	MPX	Meeker	52 min
Jun 17, 11:58 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Le Sueur, Rice	47 min
Jun 18, 12:20 AM CDT	Special Weather Statement	MPX	McLeod	40 min
Jun 18, 12:25 AM CDT	Special Weather Statement	MPX	Scott	50 min
Jun 18, 12:26 AM CDT	Special Weather Statement	MPX	Goodhue	49 min
Jun 18, 12:45 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	45 min
Jun 18, 12:46 AM CDT	Flash Flood Warning	MPX	Dakota, Le Sueur, Rice, Scott	4 hr
Jun 18, 1:05 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice	40 min
Jun 18, 1:27 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue, Rice	33 min
Jun 18, 1:30 AM CDT	Special Weather Statement	MPX	Scott	30 min
Jun 18, 5:33 AM CDT	Areal Flood Warning	MPX	Dakota, Goodhue, Rice	6 hr
Jun 18, 11:17 AM CDT	River Flood Warning	MPX	Carver	10 days
Jun 18, 11:33 AM CDT	Areal Flood Warning	MPX	Dakota, Goodhue	18 hr
Jun 18, 4:31 PM CDT	Flash Flood Watch	MPX	Anoka, Benton, Carver, Chippewa, Chisago, Dakota and 24 more	56 hr

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.