Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 6, NWS Twin Cities, MN

May 16, 2015Chippewa County, Swift County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 16, 2015, 5:52 PM CDT for Chippewa County, Swift County, Minnesota. It was in force for 23 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, 5:52 PM CDT (22:52 UTC)
Expired
May 16, 2015, 6:15 PM CDT
In force
23 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Chippewa County, MN, Swift County, MN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 16, 5:25 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 154 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.

439 
WFUS53 KMPX 162252
TORMPX
MNC023-151-162315-
/O.NEW.KMPX.TO.W.0006.150516T2252Z-150516T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
552 PM CDT SAT MAY 16 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...
  SOUTHEASTERN SWIFT COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 615 PM CDT

* AT 551 PM CDT...A CONFIRMED TORNADO WAS LOCATED 8 MILES SOUTH OF DE
  GRAFF...OR 15 MILES NORTHEAST OF MONTEVIDEO...MOVING NORTH AT 30
  MPH.

  HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTH CENTRAL CHIPPEWA AND SOUTHEASTERN SWIFT COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4508 9547 4510 9559 4525 9560 4525 9541
TIME...MOT...LOC 2251Z 198DEG 24KT 4514 9554 

TORNADO...OBSERVED
HAIL...1.00IN

$$

CLF

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, 5:20 PM CDTSevere Thunderstorm WarningMPXChippewa25 min
May 16, 5:39 PM CDTTornado Warning Tornado observedMPXSwift36 min
May 16, 5:45 PM CDTSevere Thunderstorm WarningMPXChippewa, Swift17 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

Tornado Warnings in Minnesota, 2015Every tornado warning in 2015Tornadoes 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.