Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 72, NWS Twin Cities, MN

July 18, 2020Kandiyohi County, Meeker County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 2020, 1:16 AM CDT for Kandiyohi County, Meeker County, Stearns County, Minnesota. It was in force for 44 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 18, 2020, 1:16 AM CDT (06:16 UTC)
Expired
Jul 18, 2020, 2:00 AM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Kandiyohi County, MN, Meeker County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 86 km from the middle of the area, began a volume at 06:19 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 17, 5:39 PM CDTSevere Thunderstorm Watch PDSSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.3 hours before the alert went out and 84 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 2020-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1995 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 2020-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
1995 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.8

Open this sounding in Storm Lab

The text

As transmitted.

021 
WUUS53 KMPX 180616
SVRMPX
MNC067-093-145-180700-
/O.NEW.KMPX.SV.W.0072.200718T0616Z-200718T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
116 AM CDT Sat Jul 18 2020

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northern Meeker County in central Minnesota...
  Southeastern Stearns County in central Minnesota...
  Northeastern Kandiyohi County in central Minnesota...

* Until 200 AM CDT.

* At 116 AM CDT, severe thunderstorms were located along a line
  extending from 8 miles south of Freeport to near Paynesville to
  near New London, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Richmond around 125 AM CDT.
  Avon around 130 AM CDT.
  Cold Spring and Watkins around 135 AM CDT.
  St. Joseph and Rockville around 140 AM CDT.
  Waite Park and Kimball around 145 AM CDT.
  Clearwater around 200 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4561 9420 4556 9415 4550 9415 4545 9409
      4543 9405 4535 9409 4531 9414 4531 9425
      4515 9425 4512 9427 4527 9493 4545 9481
      4562 9486
TIME...MOT...LOC 0616Z 282DEG 41KT 4554 9474 4543 9470 4526 9485 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
2 follow-up statements
190 
WWUS53 KMPX 180628
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
128 AM CDT Sat Jul 18 2020

MNC067-180638-
/O.CAN.KMPX.SV.W.0072.000000T0000Z-200718T0700Z/
Kandiyohi MN-
128 AM CDT Sat Jul 18 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KANDIYOHI COUNTY
IS CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
central Minnesota.

LAT...LON 4556 9415 4550 9415 4543 9405 4535 9409
      4531 9414 4531 9425 4515 9425 4512 9427
      4524 9477 4527 9477 4541 9467 4557 9463
TIME...MOT...LOC 0628Z 281DEG 41KT 4550 9446 4540 9452 4523 9467 

$$

MNC093-145-180700-
/O.CON.KMPX.SV.W.0072.000000T0000Z-200718T0700Z/
Meeker MN-Stearns MN-
128 AM CDT Sat Jul 18 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR NORTHERN MEEKER AND SOUTHEASTERN STEARNS COUNTIES...

At 128 AM CDT, severe thunderstorms were located along a line
extending from near Cold Spring to near Richmond to near Grove City,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  St. Joseph, Rockville and Watkins around 135 AM CDT.
  Waite Park around 140 AM CDT.
  Kimball around 145 AM CDT.
  Clearwater around 155 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4556 9415 4550 9415 4543 9405 4535 9409
      4531 9414 4531 9425 4515 9425 4512 9427
      4524 9477 4527 9477 4541 9467 4557 9463
TIME...MOT...LOC 0628Z 281DEG 41KT 4550 9446 4540 9452 4523 9467 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
421 
WWUS53 KMPX 180651
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
151 AM CDT Sat Jul 18 2020

MNC093-145-180701-
/O.EXP.KMPX.SV.W.0072.000000T0000Z-200718T0700Z/
Meeker MN-Stearns MN-
151 AM CDT Sat Jul 18 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MEEKER AND
SOUTHEASTERN STEARNS COUNTIES WILL EXPIRE AT 200 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
central Minnesota.

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 4556 9415 4550 9415 4543 9405 4535 9409
      4531 9414 4531 9425 4515 9425 4512 9427
      4524 9477 4527 9477 4541 9467 4557 9463
TIME...MOT...LOC 0651Z 282DEG 41KT 4545 9413 4535 9419 4518 9434 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 9:08 PM CDTSpecial Weather StatementMPXDouglas67 min
Jul 17, 9:22 PM CDTSevere Thunderstorm WarningMPXTodd53 min
Jul 17, 10:13 PM CDTSevere Thunderstorm WarningMPXMorrison, Todd62 min
Jul 17, 10:16 PM CDTTornado WarningMPXMorrison, Todd44 min
Jul 17, 10:20 PM CDTSevere Thunderstorm WarningMPXDouglas55 min
Jul 17, 10:54 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens66 min
Jul 17, 10:58 PM CDTSevere Thunderstorm WarningMPXMille Lacs, Morrison, Stearns, Todd77 min
Jul 17, 11:51 PM CDTTornado WarningMPXPope, Stearns, Swift28 min
Jul 17, 11:58 PM CDTSevere Thunderstorm WarningMPXBenton, Kandiyohi, Morrison, Stearns77 min
Jul 18, 12:13 AM CDTSpecial Weather StatementMPXKanabec, Mille Lacs62 min
Jul 18, 12:26 AM CDTSevere Thunderstorm WarningMPXBenton, Isanti, Meeker, Mille Lacs, Sherburne, Stearns and 1 more49 min
Jul 18, 12:32 AM CDTSpecial Weather StatementMPXLac qui Parle, Swift43 min
Jul 18, 12:44 AM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Lac qui Parle, Renville, Swift, Yellow Medicine61 min
Jul 18, 1:03 AM CDTTornado WarningMPXChisago, Isanti, Kanabec27 min
Jul 18, 1:19 AM CDTSpecial Weather StatementMPXAnoka, Chisago, Hennepin, Isanti, Wright56 min
Jul 18, 1:38 AM CDTSpecial Weather StatementMPXMcLeod, Meeker, Redwood, Renville52 min
Jul 18, 3:03 AM CDTSevere Thunderstorm WarningMPXCarver, Dakota, Hennepin, Scott, Washington42 min
Jul 18, 3:43 AM CDTSpecial Weather StatementMPXGoodhue, Rice32 min
Jul 18, 4:06 AM CDTSpecial Weather StatementMPXWatonwan39 min
Jul 18, 5:09 AM CDTSpecial Weather StatementMPXFreeborn, Steele, Waseca66 min
Jul 18, 5:00 PM CDTSpecial Weather StatementMPXAnoka30 min
Jul 18, 5:23 PM CDTSevere Thunderstorm WarningMPXAnoka52 min
Jul 18, 5:48 PM CDTTornado WarningMPXAnoka42 min
Jul 18, 6:07 PM CDTTornado WarningMPXWashington38 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.