Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 13, NWS Twin Cities, MN

May 16, 2015Chippewa County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 16, 2015, 5:20 PM CDT for Chippewa County, Minnesota. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 16, 2015, 5:20 PM CDT (22:20 UTC)
Expired
May 16, 2015, 5:45 PM CDT
In force
25 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Possible
Hail
1.25 in
Wind
60.0 mph

County Chippewa County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.3 hours before the alert went out and 163 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2015-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2015-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
853 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
166 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.

932 
WUUS53 KMPX 162220
SVRMPX
MNC023-162245-
/O.NEW.KMPX.SV.W.0013.150516T2220Z-150516T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
520 PM CDT SAT MAY 16 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 545 PM CDT

* AT 520 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  MONTEVIDEO...MOVING NORTH AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  WATSON AROUND 530 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE BIG BEND
CITY...MONTEVIDEO AIRPORT AND ASBURY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4515 9546 4488 9556 4491 9568 4490 9569
      4491 9572 4493 9573 4496 9581 4515 9582
TIME...MOT...LOC 2220Z 185DEG 26KT 4492 9568 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 12:07 PM CDTSpecial Weather StatementMPXKandiyohi38 min
May 16, 3:58 PM CDTSpecial Weather StatementMPXYellow Medicine32 min
May 16, 4:01 PM CDTSpecial Weather StatementMPXChippewa29 min
May 16, 4:16 PM CDTSevere Thunderstorm WarningMPXChippewa, Yellow Medicine44 min
May 16, 4:29 PM CDTTornado WarningMPXLac qui Parle16 min
May 16, 4:44 PM CDTSevere Thunderstorm WarningMPXLac qui Parle31 min
May 16, 5:05 PM CDTTornado WarningMPXChippewa, Swift25 min
May 16, 5:12 PM CDTSpecial Weather StatementMPXStevens33 min
May 16, 5:39 PM CDTTornado Warning Tornado observedMPXSwift36 min
May 16, 5:45 PM CDTSevere Thunderstorm WarningMPXChippewa, Swift17 min
May 16, 5:52 PM CDTTornado Warning Tornado observedMPXChippewa, Swift23 min
May 16, 6:11 PM CDTTornado WarningMPXSwift34 min
May 16, 6:21 PM CDTSpecial Weather StatementMPXRenville39 min
May 16, 6:41 PM CDTTornado WarningMPXPope, Swift34 min
May 16, 6:54 PM CDTSpecial Weather StatementMPXMeeker36 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.