Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 35, NWS Twin Cities, MN

June 22, 2015Kanabec County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 22, 2015, 3:51 AM CDT for Kanabec County, Minnesota. It was in force for 24 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 22, 2015, 3:51 AM CDT (08:51 UTC)
Expired
Jun 22, 2015, 4:15 AM CDT
In force
24 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Kanabec County, MN

The radar

The Duluth radar (KDLH), 113 km from the middle of the area, began a volume at 08:52 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.9 hours before the alert went out and 137 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 00:00Z on 2015-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 00:00Z on 2015-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.19395878Sfc1 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
10 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2425 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

319 
WUUS53 KMPX 220851
SVRMPX
MNC065-220915-
/O.NEW.KMPX.SV.W.0035.150622T0851Z-150622T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
351 AM CDT MON JUN 22 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN KANABEC COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 415 AM CDT

* AT 350 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BROOK
  PARK...OR NEAR HINCKLEY...MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHEASTERN KANABEC COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4610 9305 4598 9306 4598 9313 4595 9314
      4594 9315 4606 9331 4614 9306
TIME...MOT...LOC 0850Z 258DEG 35KT 4599 9308 

HAIL...1.00IN
WIND...60MPH
 
$$

LS
1 follow-up statement
319 
WWUS53 KMPX 220908
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
408 AM CDT MON JUN 22 2015

MNC065-220917-
/O.EXP.KMPX.SV.W.0035.000000T0000Z-150622T0915Z/
KANABEC MN-
408 AM CDT MON JUN 22 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KANABEC COUNTY
WILL EXPIRE AT 415 AM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
THE TWIN CITIES.

LAT...LON 4610 9305 4598 9306 4598 9313 4595 9314
      4594 9315 4606 9331 4614 9306
TIME...MOT...LOC 0906Z 258DEG 35KT 4599 9308 

$$

LS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 3:38 AM CDTSpecial Weather StatementMPXKanabec22 min
Jun 22, 4:21 AM CDTSpecial Weather StatementMPXRedwood39 min
Jun 22, 4:24 AM CDTSpecial Weather StatementMPXBlue Earth, Brown, Faribault, Freeborn, Waseca, Watonwan36 min
Jun 22, 4:56 AM CDTSpecial Weather StatementMPXYellow Medicine34 min
Jun 22, 5:10 AM CDTSpecial Weather StatementMPXFreeborn, Steele, Waseca50 min
Jun 22, 5:19 AM CDTSevere Thunderstorm WarningMPXWaseca26 min
Jun 22, 5:23 AM CDTSpecial Weather StatementMPXRedwood112 min
Jun 22, 5:23 AM CDTSevere Thunderstorm WarningMPXMartin, Watonwan52 min
Jun 22, 5:34 AM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood41 min
Jun 22, 5:40 AM CDTSevere Thunderstorm WarningMPXFreeborn, Steele, Waseca50 min
Jun 22, 6:00 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Faribault, Freeborn, Le Sueur, Martin and 4 more45 min
Jun 22, 6:20 AM CDTSpecial Weather StatementMPXDakota25 min
Jun 22, 6:22 AM CDTHigh Wind WarningMPXBlue Earth, Brown, Faribault, Freeborn, Le Sueur, Martin and 6 more5 hr
Jun 22, 6:23 AM CDTSevere Thunderstorm WarningMPXDakota, Scott22 min
Jun 22, 6:31 AM CDTSevere Thunderstorm WarningMPXFreeborn, Le Sueur, Rice, Steele, Waseca59 min
Jun 22, 7:13 AM CDTSpecial Weather StatementMPXLe Sueur47 min
Jun 22, 7:16 AM CDTWind AdvisoryMPXAnoka, Carver, Chippewa, Dakota, Goodhue, Hennepin and 14 more4 hr
Jun 22, 7:22 AM CDTSpecial Weather StatementMPXFreeborn, Steele, Waseca23 min
Jun 22, 8:12 AM CDTSpecial Weather StatementMPXChisago33 min
Jun 22, 8:29 AM CDTSpecial Weather StatementMPXRamsey31 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; radar from the NEXRAD Level II archive.