Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 38, NWS Twin Cities, MN

June 22, 2015Brown County, Nicollet County, Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 22, 2015, 5:34 AM CDT for Brown County, Nicollet County, Redwood County, Minnesota. It was in force for 41 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, 5:34 AM CDT (10:34 UTC)
Expired
Jun 22, 2015, 6:15 AM CDT
In force
41 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Brown County, MN, Nicollet County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 124 km from the middle of the area, began a volume at 10:33 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 22, 2:25 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 10.6 hours before the alert went out and 122 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°0°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.

065 
WUUS53 KMPX 221034
SVRMPX
MNC015-103-127-221115-
/O.NEW.KMPX.SV.W.0038.150622T1034Z-150622T1115Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHEASTERN REDWOOD COUNTY IN SOUTHWESTERN MINNESOTA...
  NORTHWESTERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 615 AM CDT

* AT 534 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM CLEMENTS TO NEAR SPRINGFIELD TO NEAR COMFREY...
  MOVING EAST AT 70 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE 
           HOMES...ROOFS AND OUTBUILDINGS. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SLEEPY EYE AROUND 545 AM CDT.
  NEW ULM AND HANSKA AROUND 555 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
COBDEN...CLEMENTS...NEW ULM AIRPORT...SEARLES...ESSIG...EVAN AND ST
GEORGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD 
WIND DAMAGE ACROSS SOUTHEASTERN SOUTH DAKOTA. SEEK SHELTER NOW 
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
 
&&

LAT...LON 4411 9480 4412 9510 4420 9509 4424 9512
      4424 9514 4425 9514 4443 9524 4447 9481
      4445 9473 4445 9447 4411 9440
TIME...MOT...LOC 1034Z 258DEG 61KT 4439 9509 4425 9502 4413 9494 

HAIL...1.00IN
WIND...70MPH
 
$$

LS
1 follow-up statement
881 
WWUS53 KMPX 221048
SVSMPX

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

MNC015-103-127-221115-
/O.CON.KMPX.SV.W.0038.000000T0000Z-150622T1115Z/
BROWN MN-REDWOOD MN-NICOLLET MN-
548 AM CDT MON JUN 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CDT
FOR BROWN...SOUTHEASTERN REDWOOD AND NORTHWESTERN NICOLLET
COUNTIES...

AT 547 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR EVAN TO SLEEPY EYE TO 7 MILES WEST OF HANSKA...
MOVING EAST AT 70 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

THESE SEVERE STORMS WILL BE NEAR...
  HANSKA AROUND 555 AM CDT.
  NEW ULM AROUND 600 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
COBDEN...CLEMENTS...NEW ULM AIRPORT...SEARLES...ESSIG...EVAN AND ST
GEORGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD 
WIND DAMAGE ACROSS SOUTHEASTERN SOUTH DAKOTA. SEEK SHELTER NOW 
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
 
&&

LAT...LON 4411 9480 4412 9510 4420 9509 4424 9512
      4424 9514 4425 9514 4443 9524 4447 9481
      4445 9473 4445 9447 4411 9440
TIME...MOT...LOC 1047Z 258DEG 61KT 4444 9479 4430 9472 4418 9464 

HAIL...1.00IN
WIND...70MPH
 
$$

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, 3:51 AM CDTSevere Thunderstorm WarningMPXKanabec24 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, 5:40 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.