Alert archive / Minnesota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 21, NWS Twin Cities, MN

June 17, 2010Martin County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2010, 4:08 PM CDT for Martin County, Watonwan County, Minnesota. It was in force for 37 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
Jun 17, 2010, 4:08 PM CDT (21:08 UTC)
Expired
Jun 17, 2010, 4:45 PM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Martin County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 149 km from the middle of the area, began a volume at 21:10 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 17, 1:54 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.1 hours before the alert went out and 147 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 2010-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 2010-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
2 J/kg
Mixed-layer CIN
-317 J/kg
Mixed-layer LCL
1224 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
85 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.

727 
WUUS53 KMPX 172108
SVRMPX
MNC091-165-172145-
/O.NEW.KMPX.SV.W.0021.100617T2108Z-100617T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
408 PM CDT THU JUN 17 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA...
  MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 445 PM CDT

* AT 406 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 4 MILES WEST OF NORTHROP...OR ABOUT 6 MILES
  NORTHWEST OF FAIRMONT...AND MOVING NORTHEAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  ORMSBY...
  ODIN...
  SOUTH BRANCH...
  NORTHROP...
  TRUMAN...
  ECHOLS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR SOUTHERN MINNESOTA.

&&

LAT...LON 4366 9477 4395 9474 4383 9427 4355 9440
TIME...MOT...LOC 2108Z 205DEG 38KT 4374 9449
WIND...HAIL 60MPH 1.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:50 AM CDTSpecial Weather StatementMPXStevens25 min
Jun 17, 8:11 AM CDTSpecial Weather StatementMPXDouglas49 min
Jun 17, 9:15 AM CDTSpecial Weather StatementMPXDouglas, Todd90 min
Jun 17, 10:44 AM CDTSpecial Weather StatementMPXTodd61 min
Jun 17, 2:20 PM CDTSpecial Weather StatementMPXDouglas, Pope, Swift55 min
Jun 17, 2:27 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens63 min
Jun 17, 2:51 PM CDTTornado WarningMPXDouglas39 min
Jun 17, 3:25 PM CDTTornado WarningMPXDouglas20 min
Jun 17, 3:43 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Renville, Sibley47 min
Jun 17, 3:45 PM CDTTornado WarningMPXDouglas30 min
Jun 17, 3:50 PM CDTTornado WarningMPXBrown, Nicollet, Renville, Sibley40 min
Jun 17, 3:55 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan50 min
Jun 17, 3:59 PM CDTSevere Thunderstorm WarningMPXMeeker, Renville61 min
Jun 17, 4:08 PM CDTSevere Thunderstorm WarningMPXStearns52 min
Jun 17, 4:21 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley54 min
Jun 17, 4:26 PM CDTSevere Thunderstorm WarningMPXNicollet, Sibley34 min
Jun 17, 4:31 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin59 min
Jun 17, 4:31 PM CDTSevere Thunderstorm WarningMPXMorrison, Todd59 min
Jun 17, 4:40 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Watonwan50 min
Jun 17, 4:43 PM CDTSevere Thunderstorm WarningMPXMeeker, Stearns, Wright47 min
Jun 17, 5:02 PM CDTTornado WarningMPXMeeker, Stearns, Wright43 min
Jun 17, 5:05 PM CDTTornado WarningMPXFaribault25 min
Jun 17, 5:07 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, McLeod, Wright53 min
Jun 17, 5:20 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Sherburne55 min
Jun 17, 5:25 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Rice, Waseca65 min
Jun 17, 5:28 PM CDTTornado WarningMPXCarver, McLeod, Wright47 min
Jun 17, 5:28 PM CDTTornado WarningMPXFaribault, Freeborn32 min
Jun 17, 5:32 PM CDTTornado WarningMPXBlue Earth, Le Sueur, Rice, Waseca28 min
Jun 17, 5:35 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet25 min
Jun 17, 5:39 PM CDTTornado WarningMPXBenton, Sherburne51 min
Jun 17, 5:44 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Sibley31 min
Jun 17, 5:56 PM CDTTornado WarningMPXFaribault, Freeborn49 min
Jun 17, 5:58 PM CDTSevere Thunderstorm WarningMPXStearns17 min
Jun 17, 6:00 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet, Watonwan60 min
Jun 17, 6:03 PM CDTTornado WarningMPXSherburne, Wright42 min
Jun 17, 6:07 PM CDTTornado WarningMPXBenton, Mille Lacs53 min
Jun 17, 6:09 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville24 min
Jun 17, 6:15 PM CDTSpecial Weather StatementMPXTodd30 min
Jun 17, 6:16 PM CDTTornado WarningMPXBlue Earth, Le Sueur, Nicollet29 min
Jun 17, 6:28 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Waseca62 min
Jun 17, 6:35 PM CDTSevere Thunderstorm WarningMPXAnoka, Isanti, Sherburne, Wright55 min
Jun 17, 6:36 PM CDTTornado WarningMPXBlue Earth, Faribault, Waseca39 min
Jun 17, 6:42 PM CDTTornado WarningMPXBlue Earth, Nicollet33 min
Jun 17, 6:44 PM CDTTornado WarningMPXFreeborn, Steele46 min
Jun 17, 6:49 PM CDTTornado WarningMPXIsanti, Kanabec, Mille Lacs, Sherburne41 min
Jun 17, 6:56 PM CDTTornado WarningMPXSherburne34 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2010Every severe thunderstorm warning in 2010

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; radar from the NEXRAD Level II archive.