Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 87, NWS Twin Cities, MN

June 22, 2017Douglas County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 22, 2017, 12:54 AM CDT for Douglas County, Todd County, Minnesota. It was in force for 36 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, 2017, 12:54 AM CDT (05:54 UTC)
Expired
Jun 22, 2017, 1:30 AM CDT
In force
36 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

Counties Douglas County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 157 km from the middle of the area, began a volume at 05:58 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, 5.9 hours before the alert went out and 155 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 2017-06-22Temperature 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 00:00Z on 2017-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1414 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

066 
WUUS53 KMPX 220554
SVRMPX
MNC041-153-220630-
/O.NEW.KMPX.SV.W.0087.170622T0554Z-170622T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1254 AM CDT THU JUN 22 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  East central Douglas County in west central Minnesota...
  Southern Todd County in central Minnesota...

* Until 130 AM CDT

* At 1254 AM CDT, a severe thunderstorm was located over Belle River,
  or 9 miles northeast of Alexandria, moving southeast at 45 mph.

  HAZARD...Ping pong ball size hail. 

  SOURCE...Radar indicated. 

  IMPACT...People and animals outdoors will be injured. Expect 
           damage to roofs, siding, windows, and vehicles. 

* This severe thunderstorm will be near,
  Lake Osakis around 100 AM CDT. 
  Long Prairie around 110 AM CDT. 
  Grey Eagle around 125 AM CDT. 

Other locations impacted by this severe thunderstorm include Long
Prairie Airport, Round Prairie, Burtrum, North Shore, Belle River,
Little Sauk and West Union.

This includes U.S. Highway 71 between mile markers 173 and 187.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4598 9475 4581 9464 4578 9465 4578 9504
      4593 9529 4602 9523
TIME...MOT...LOC 0554Z 294DEG 39KT 4596 9519 

HAIL...1.50IN
WIND...<50MPH
 
$$

JPC
2 follow-up statements
864 
WWUS53 KMPX 220610
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
110 AM CDT THU JUN 22 2017

MNC041-220619-
/O.CAN.KMPX.SV.W.0087.000000T0000Z-170622T0630Z/
Douglas MN-
110 AM CDT THU JUN 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DOUGLAS COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the severe thunderstorm warning for 
east central Douglas county has been cancelled.

LAT...LON 4598 9475 4581 9464 4578 9465 4585 9502
      4592 9507 4600 9500
TIME...MOT...LOC 0609Z 291DEG 39KT 4591 9496 

$$

MNC153-220630-
/O.CON.KMPX.SV.W.0087.000000T0000Z-170622T0630Z/
Todd MN-
110 AM CDT THU JUN 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR SOUTHERN TODD COUNTY...

At 109 AM CDT, a severe thunderstorm was located near Round Prairie,
or 19 miles east of Alexandria, moving east at 45 mph.

HAZARD...Ping pong ball size hail. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect damage 
         to roofs, siding, windows, and vehicles. 

This severe storm will be near...
  Grey Eagle around 125 AM CDT. 

Other locations impacted by this severe thunderstorm include Burtrum,
North Shore, Long Prairie Airport, Round Prairie and Little Sauk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
The Twin Cities.

&&

LAT...LON 4598 9475 4581 9464 4578 9465 4585 9502
      4592 9507 4600 9500
TIME...MOT...LOC 0609Z 291DEG 39KT 4591 9496 

HAIL...1.50IN
WIND...<50MPH
 
$$

JPC
790 
WWUS53 KMPX 220623
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
123 AM CDT THU JUN 22 2017

MNC153-220632-
/O.EXP.KMPX.SV.W.0087.000000T0000Z-170622T0630Z/
Todd MN-
123 AM CDT THU JUN 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TODD COUNTY WILL
EXPIRE AT 130 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits and no longer poses an immediate threat to life or property.
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 4598 9475 4581 9464 4578 9465 4585 9502
      4592 9507 4600 9500
TIME...MOT...LOC 0622Z 294DEG 39KT 4585 9478 

$$

JPC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:17 PM CDTSevere Thunderstorm WarningMPXDouglas43 min
Jun 21, 8:00 PM CDTSpecial Weather StatementMPXDouglas45 min
Jun 21, 8:39 PM CDTSpecial Weather StatementMPXStearns66 min
Jun 21, 9:39 PM CDTSpecial Weather StatementMPXPope66 min
Jun 21, 11:49 PM CDTSpecial Weather StatementMPXTodd41 min
Jun 21, 11:55 PM CDTSpecial Weather StatementMPXFaribault, Martin65 min
Jun 21, 11:58 PM CDTSevere Thunderstorm WarningMPXMartin35 min
Jun 22, 12:08 AM CDTSevere Thunderstorm WarningMPXFaribault37 min
Jun 22, 12:32 AM CDTSpecial Weather StatementMPXGoodhue, Rice58 min
Jun 22, 12:46 AM CDTSpecial Weather StatementMPXTodd44 min
Jun 22, 1:05 AM CDTSpecial Weather StatementMPXMartin40 min
Jun 22, 4:50 AM CDTSevere Thunderstorm WarningMPXRedwood40 min
Jun 22, 6:35 AM CDTSpecial Weather StatementMPXBlue Earth55 min
Jun 22, 7:23 AM CDTSevere Thunderstorm WarningMPXRice, Steele37 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017

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.