Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 87, NWS Twin Cities, MN

June 18, 2011Goodhue County, Minnesota; Pierce County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 18, 2011, 3:46 PM CDT for Goodhue County, Minnesota; Pierce County, Wisconsin. It was in force for 44 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 18, 2011, 3:46 PM CDT (20:46 UTC)
Expired: Jun 18, 2011, 4:30 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 Goodhue County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 75 km from the middle of the area, began a volume at 20:48 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 18, 3:57 PM CDT	HAIL 1.25	1 Se Red Wing, MN

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.8 hours before the alert went out and 77 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: 1215 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 59 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.

762 
WUUS53 KMPX 182046
SVRMPX
MNC049-WIC093-182130-
/O.NEW.KMPX.SV.W.0087.110618T2046Z-110618T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
346 PM CDT SAT JUN 18 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  SOUTHWESTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 430 PM CDT

* AT 344 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
  THIS STORM WAS LOCATED NEAR WELCH...OR ABOUT OVER RED WING...AND
  MOVING NORTHEAST AT 20 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  RED WING...
  WELCH...
  DIAMOND BLUFF...
  HAGER CITY...

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 4445 9267 4454 9280 4463 9280 4463 9274
      4471 9274 4478 9269 4468 9237
TIME...MOT...LOC 2046Z 221DEG 16KT 4458 9265
WIND...HAIL 60MPH 1.00IN

$$

AJZ

1 follow-up statement

379 
WWUS53 KMPX 182106
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
406 PM CDT SAT JUN 18 2011

MNC049-WIC093-182130-
/O.CON.KMPX.SV.W.0087.000000T0000Z-110618T2130Z/
GOODHUE MN-PIERCE WI-
406 PM CDT SAT JUN 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL PIERCE
AND NORTH CENTRAL GOODHUE COUNTIES UNTIL 430 PM CDT...

AT 402 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
DIAMOND BLUFF...OR NEAR RED WING...MOVING NORTHEAST AT 25 MPH.

IN ADDITION...AT 357 PM...A TRAINED SPOTTER ONE MILE SOUTHEAST OF 
RED WING REPORTED ONE AND ONE QUARTER INCH DIAMETER HAIL...WITH THIS 
STORM.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL PIERCE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4454 9255 4464 9273 4475 9259 4468 9237
TIME...MOT...LOC 2104Z 220DEG 20KT 4465 9256
WIND...HAIL 60MPH 1.25IN

$$
AZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:00 PM CDT	Tornado Warning	MPX	Kandiyohi	22 min
Jun 17, 7:04 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	26 min
Jun 17, 7:50 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	55 min
Jun 17, 7:57 PM CDT	Areal Flood Advisory	MPX	Kandiyohi	3 hr
Jun 17, 7:57 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	33 min
Jun 17, 8:18 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	27 min
Jun 17, 8:25 PM CDT	Areal Flood Warning	MPX	Kandiyohi	6 hr
Jun 17, 8:47 PM CDT	Special Weather Statement	MPX	Big Stone	58 min
Jun 17, 9:33 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	57 min
Jun 17, 9:55 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Yellow Medicine	35 min
Jun 17, 10:09 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Scott, Sibley	66 min
Jun 17, 10:22 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville, Swift, Yellow Medicine	53 min
Jun 17, 10:42 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott, Sibley	48 min
Jun 17, 11:25 PM CDT	Special Weather Statement	MPX	Kandiyohi, Meeker, Stearns	65 min
Jun 17, 11:34 PM CDT	Special Weather Statement	MPX	Dakota	56 min
Jun 18, 12:09 AM CDT	Special Weather Statement	MPX	Benton, Meeker, Stearns	51 min
Jun 18, 12:21 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Sherburne, Stearns	54 min
Jun 18, 6:38 AM CDT	Special Weather Statement	MPX	Dakota	37 min
Jun 18, 11:58 AM CDT	Flood Watch	MPX	Anoka, Blue Earth, Brown, Carver, Chisago, Dakota and 14 more	20 hr
Jun 18, 4:28 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	47 min
Jun 18, 5:22 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	53 min
Jun 18, 6:33 PM CDT	Flash Flood Warning	MPX	Pepin, Pierce	6 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2011 Severe Thunderstorm Warnings in Wisconsin, 2011 Every severe thunderstorm warning in 2011

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.