Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 60, NWS Twin Cities, MN

July 13, 2020Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 13, 2020, 10:26 PM CDT for Morrison County, Todd County, Minnesota. It was in force for 52 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 13, 2020, 10:26 PM CDT (03:26 UTC)
Expired
Jul 13, 2020, 11:18 PM CDT
In force
52 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 156 km from the middle of the area, began a volume at 03:29 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, 3.4 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 2020-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 293 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 2020-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
293 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
1483 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

240 
WUUS53 KMPX 140326
SVRMPX
MNC097-153-140430-
/O.NEW.KMPX.SV.W.0060.200714T0326Z-200714T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1026 PM CDT Mon Jul 13 2020

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  East central Todd County in central Minnesota...
  Southwestern Morrison County in central Minnesota...

* Until 1130 PM CDT.

* At 1025 PM CDT, a severe thunderstorm was located near Browerville,
  or 20 miles west of Little Falls, moving east at 30 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Randall around 1050 PM CDT.
  Little Falls and Camp Ripley around 1105 PM CDT.

Other locations impacted by this severe thunderstorm include Camp
Ripley Junction and Little Falls Airport.

This includes U.S. Highway 10 in Minnesota between mile markers 127
and 150.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4618 9437 4616 9437 4615 9423 4590 9427
      4599 9478 4617 9474 4619 9438
TIME...MOT...LOC 0325Z 277DEG 26KT 4608 9476 

HAIL...1.50IN
WIND...60MPH
 
$$

BORGHOFF
3 follow-up statements
720 
WWUS53 KMPX 140339
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1039 PM CDT Mon Jul 13 2020

MNC097-153-140430-
/O.CON.KMPX.SV.W.0060.000000T0000Z-200714T0430Z/
Todd MN-Morrison MN-
1039 PM CDT Mon Jul 13 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR EAST CENTRAL TODD AND SOUTHWESTERN MORRISON COUNTIES...

At 1039 PM CDT, a severe thunderstorm was located near Randall, or 13
miles northwest of Little Falls, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Randall around 1050 PM CDT.
  Little Falls and Camp Ripley around 1105 PM CDT.

Other locations impacted by this severe thunderstorm include Camp
Ripley Junction and Little Falls Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

&&

LAT...LON 4618 9437 4616 9437 4615 9423 4590 9427
      4599 9478 4616 9474 4619 9438
TIME...MOT...LOC 0339Z 277DEG 27KT 4607 9461 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
 
$$

BORGHOFF
161 
WWUS53 KMPX 140355
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1055 PM CDT Mon Jul 13 2020

MNC153-140404-
/O.CAN.KMPX.SV.W.0060.000000T0000Z-200714T0430Z/
Todd MN-
1055 PM CDT Mon Jul 13 2020

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TODD COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4618 9437 4616 9437 4616 9429 4615 9423
      4590 9427 4597 9465 4604 9465 4619 9439
TIME...MOT...LOC 0354Z 278DEG 22KT 4616 9436 4596 9470 

$$

MNC097-140430-
/O.CON.KMPX.SV.W.0060.000000T0000Z-200714T0430Z/
Morrison MN-
1055 PM CDT Mon Jul 13 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR SOUTHWESTERN MORRISON COUNTY...

At 1054 PM CDT, severe thunderstorms were located along a line
extending from Fort Ripley to near Swanville, moving east at 25 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.

These severe storms will be near...
  Camp Ripley around 1100 PM CDT.
  Little Falls around 1130 PM CDT.

Other locations impacted by these severe thunderstorms include Camp
Ripley Junction and Little Falls Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4618 9437 4616 9437 4616 9429 4615 9423
      4590 9427 4597 9465 4604 9465 4619 9439
TIME...MOT...LOC 0354Z 278DEG 22KT 4616 9436 4596 9470 

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

BORGHOFF
916 
WWUS53 KMPX 140418
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1118 PM CDT Mon Jul 13 2020

MNC097-140428-
/O.CAN.KMPX.SV.W.0060.000000T0000Z-200714T0430Z/
Morrison MN-
1118 PM CDT Mon Jul 13 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MORRISON COUNTY
IS CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.

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 4618 9437 4616 9437 4616 9429 4615 9423
      4590 9427 4597 9465 4604 9465 4619 9439
TIME...MOT...LOC 0416Z 277DEG 26KT 4614 9413 4594 9447 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 9:39 PM CDTSpecial Weather StatementMPXTodd51 min
Jul 13, 9:50 PM CDTSevere Thunderstorm WarningMPXTodd40 min
Jul 13, 11:34 PM CDTSevere Thunderstorm WarningMPXMille Lacs, Morrison41 min
Jul 14, 12:04 AM CDTTornado WarningMPXKanabec, Mille Lacs26 min
Jul 14, 6:16 AM CDTSpecial Weather StatementMPXFaribault, Freeborn44 min
Jul 14, 7:04 AM CDTSpecial Weather StatementMPXSteele41 min
Jul 14, 7:18 AM CDTSpecial Weather StatementMPXDakota42 min
Jul 14, 7:22 AM CDTSevere Thunderstorm WarningMPXDakota, Washington38 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.