Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 28, NWS Twin Cities, MN

May 27, 2014Lac qui Parle County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 27, 2014, 8:14 PM CDT for Lac qui Parle County, Minnesota. It was in force for 31 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 27, 2014, 8:14 PM CDT (01:14 UTC)
Expired: May 27, 2014, 8:45 PM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.5 in
Wind: 50.0 mph

County Lac qui Parle County, MN

The radar

The Sioux Falls radar (KFSD), 155 km from the middle of the area, began a volume at 01:15 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 27, 8:28 PM CDT	HAIL 0.75	5 Sse Madison, MN	HAIL COVERED THE GROUND.

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 177 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: 22 J/kg
Mixed-layer CIN: -253 J/kg
Mixed-layer LCL: 1861 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -78 m²/s²
0-3 km storm-relative helicity: -82 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.

440 
WUUS53 KMPX 280114
SVRMPX
MNC073-280145-
/O.NEW.KMPX.SV.W.0028.140528T0114Z-140528T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
814 PM CDT TUE MAY 27 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 845 PM CDT

* AT 811 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MADISON...
  AND MOVING SOUTH AT 15 MPH.

  HAZARD...PING PONG BALL SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE
           TO ROOFS...SIDING...WINDOWS AND VEHICLES.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
  LAC QUI PARLE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4484 9608 4487 9627 4503 9621 4502 9610
TIME...MOT...LOC 0114Z 002DEG 14KT 4498 9615

HAIL...1.50IN
WIND...<50MPH

$$

CLF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:45 PM CDT	Special Weather Statement	MPX	Lac qui Parle	45 min
May 27, 7:52 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	23 min
May 27, 8:38 PM CDT	Special Weather Statement	MPX	Yellow Medicine	37 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014 Every severe thunderstorm warning in 2014

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.