Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 32, NWS Twin Cities, MN

July 8, 2020Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 8, 2020, 6:59 PM CDT for Morrison County, Todd County, Minnesota. It was in force for 31 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
Jul 8, 2020, 6:59 PM CDT (23:59 UTC)
Expired
Jul 8, 2020, 7:30 PM CDT
In force
31 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 182 km from the middle of the area, began a volume at 00:04 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
Jul 8, 4:15 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 12.0 hours before the alert went out and 181 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 2020-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1297 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 2020-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.1939Sfc1 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
1297 J/kg
Mixed-layer CIN
-141 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

547 
WUUS53 KMPX 082359
SVRMPX
MNC097-153-090030-
/O.NEW.KMPX.SV.W.0032.200708T2359Z-200709T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
659 PM CDT Wed Jul 8 2020

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Todd County in central Minnesota...
  Northwestern Morrison County in central Minnesota...

* Until 730 PM CDT.

* At 658 PM CDT, a severe thunderstorm was located near Motley, or 23
  miles west of Brainerd, moving northeast at 30 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.

* Locations impacted include...
  Motley and Philbrook. 

This includes U.S. Highway 10 in Minnesota between mile markers 110
and 122.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4633 9462 4631 9455 4631 9451 4633 9443
      4630 9438 4618 9479 4627 9488 4636 9474
      4635 9470 4636 9467
TIME...MOT...LOC 2358Z 235DEG 26KT 4629 9467 

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

BPH
1 follow-up statement
045 
WWUS53 KMPX 090017
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
717 PM CDT Wed Jul 8 2020

MNC097-153-090030-
/O.CON.KMPX.SV.W.0032.000000T0000Z-200709T0030Z/
Todd MN-Morrison MN-
717 PM CDT Wed Jul 8 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHEASTERN TODD AND NORTHWESTERN MORRISON COUNTIES...

At 716 PM CDT, a severe thunderstorm was located near Pillager, or 15
miles west of Brainerd, moving northeast at 30 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.

Locations impacted include...
Motley and Philbrook. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4633 9462 4631 9455 4631 9451 4633 9443
      4630 9438 4620 9471 4628 9476 4634 9471
      4635 9470 4636 9467
TIME...MOT...LOC 0016Z 235DEG 26KT 4637 9451 

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

BPH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 2:39 AM CDTExcessive Heat WarningMPXAnoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more17 hr
Jul 8, 3:40 AM CDTSpecial Weather StatementMPXSwift35 min
Jul 8, 5:17 AM CDTSpecial Weather StatementMPXDouglas, Pope, Todd43 min
Jul 8, 6:00 AM CDTSpecial Weather StatementMPXDouglas, Todd30 min
Jul 8, 6:13 AM CDTSpecial Weather StatementMPXPope47 min
Jul 8, 6:29 AM CDTSpecial Weather StatementMPXMorrison, Todd46 min
Jul 8, 6:48 AM CDTSpecial Weather StatementMPXStearns42 min
Jul 8, 7:08 AM CDTSpecial Weather StatementMPXBenton, Isanti, Kanabec, Mille Lacs, Sherburne67 min
Jul 8, 7:25 AM CDTSpecial Weather StatementMPXMeeker, Wright65 min
Jul 8, 8:18 AM CDTSpecial Weather StatementMPXAnoka, Carver, Chisago, Hennepin, Ramsey, Scott and 1 more57 min
Jul 8, 8:36 AM CDTSpecial Weather StatementMPXWright24 min
Jul 8, 6:35 PM CDTSpecial Weather StatementMPXTodd25 min
Jul 8, 6:43 PM CDTTornado WarningMPXTodd19 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2020Every severe thunderstorm warning in 2020

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.