Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 131, NWS Twin Cities, MN

August 27, 2018Pope County, Stearns County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 2018, 3:38 PM CDT for Pope County, Stearns County, Todd County, Minnesota. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 27, 2018, 3:38 PM CDT (20:38 UTC)
Expired
Aug 27, 2018, 4:25 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Pope County, MN, Stearns County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 145 km from the middle of the area, began a volume at 20:37 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.

What was reported inside it

TimeReportWhereRemark
Aug 27, 3:45 PM CDTHAIL 14 Wnw Sedan, MNREPORTS OF QUARTER SIZED HAIL AND WIND GUSTS ESTIMATED GREATER THAN 60 MPH.
Aug 27, 4:05 PM CDTHAIL 1.252 E Westport, MNTRAINED SPOTTER REPORTED QUARTER TO HALF DOLLAR SIZED HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 27, 2:57 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.6 hours before the alert went out and 142 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 2018-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1465 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 2018-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
1465 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

753 
WUUS53 KMPX 272038
SVRMPX
MNC121-145-153-272145-
/O.NEW.KMPX.SV.W.0131.180827T2038Z-180827T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
338 PM CDT MON AUG 27 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Eastern Pope County in west central Minnesota...
  Southern Todd County in central Minnesota...
  Northwestern Stearns County in central Minnesota...

* Until 445 PM CDT.

* At 338 PM CDT, a severe thunderstorm was located near Sedan, or 25
  miles south of Alexandria, moving northeast at 45 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.

* This severe thunderstorm will be near...
  Sauk Centre around 410 PM CDT.
  Melrose around 415 PM CDT.
  St. Anthony and Grey Eagle around 425 PM CDT.
  Swanville around 435 PM CDT.

This includes the following highways...
 Interstate 94 in Minnesota between mile markers 118 and 147.
 U.S. Highway 71 between mile markers 147 and 182.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4592 9463 4589 9465 4578 9465 4577 9460
      4551 9455 4541 9520 4541 9533 4563 9551
      4576 9521 4576 9514 4580 9514 4601 9466
TIME...MOT...LOC 2038Z 239DEG 38KT 4554 9531 

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

BORGHOFF
5 follow-up statements
879 
WWUS53 KMPX 272046
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
346 PM CDT MON AUG 27 2018

MNC121-145-153-272145-
/O.CON.KMPX.SV.W.0131.000000T0000Z-180827T2145Z/
Pope MN-Todd MN-Stearns MN-
346 PM CDT MON AUG 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR EASTERN POPE...SOUTHERN TODD AND NORTHWESTERN STEARNS COUNTIES...

At 346 PM CDT, a severe thunderstorm was located over Sedan, or 23
miles south of Alexandria, moving northeast at 45 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.

This severe storm will be near...
  Sauk Centre around 410 PM CDT.
  Melrose around 415 PM CDT.
  Grey Eagle around 425 PM CDT.
  Swanville around 435 PM CDT.

Other locations impacted by this severe thunderstorm include Glenwood
Airport, Westport, St. Rosa, Round Prairie, Grove Lake, Spring Hill,
Villard, Burtrum, Padua and Pleasant Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4592 9463 4589 9465 4578 9465 4577 9460
      4551 9455 4541 9520 4541 9528 4568 9540
      4576 9521 4576 9514 4580 9514 4601 9466
TIME...MOT...LOC 2046Z 239DEG 38KT 4559 9520 

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

JRB
216 
WWUS53 KMPX 272054
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
354 PM CDT MON AUG 27 2018

MNC121-145-153-272145-
/O.CON.KMPX.SV.W.0131.000000T0000Z-180827T2145Z/
Pope MN-Todd MN-Stearns MN-
354 PM CDT MON AUG 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR EASTERN POPE...SOUTHERN TODD AND NORTHWESTERN STEARNS COUNTIES...

At 354 PM CDT, a severe thunderstorm was located near Grove Lake, or
22 miles southeast of Alexandria, moving northeast at 45 mph.

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

SOURCE...Emergency management.

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...
  Sauk Centre and Melrose around 410 PM CDT.
  Grey Eagle around 425 PM CDT.
  Swanville around 435 PM CDT.

Other locations impacted by this severe thunderstorm include Glenwood
Airport, Westport, St. Rosa, Round Prairie, Grove Lake, Spring Hill,
Villard, Burtrum, Padua and Pleasant Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4592 9463 4589 9465 4578 9465 4577 9460
      4551 9455 4542 9511 4547 9531 4568 9540
      4576 9521 4576 9514 4580 9514 4601 9466
TIME...MOT...LOC 2054Z 239DEG 38KT 4563 9510 

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

JRB
459 
WWUS53 KMPX 272102
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
402 PM CDT MON AUG 27 2018

MNC121-272111-
/O.CAN.KMPX.SV.W.0131.000000T0000Z-180827T2145Z/
Pope MN-
402 PM CDT MON AUG 27 2018

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POPE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central Minnesota.

LAT...LON 4592 9463 4589 9465 4578 9465 4577 9460
      4551 9455 4549 9513 4576 9514 4580 9514
      4601 9466
TIME...MOT...LOC 2101Z 239DEG 38KT 4567 9500 

$$

MNC145-153-272145-
/O.CON.KMPX.SV.W.0131.000000T0000Z-180827T2145Z/
Todd MN-Stearns MN-
402 PM CDT MON AUG 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHERN TODD AND NORTHWESTERN STEARNS COUNTIES...

At 401 PM CDT, a severe thunderstorm was located near Sauk Centre
Airport, or 23 miles southeast of Alexandria, moving northeast at 45
mph.

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

SOURCE...Emergency management.

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...
  Sauk Centre around 410 PM CDT.
  Melrose around 415 PM CDT.
  Grey Eagle around 425 PM CDT.
  Swanville around 435 PM CDT.

Other locations impacted by this severe thunderstorm include St.
Rosa, Round Prairie, Spring Hill, Burtrum, Padua, Pleasant Beach,
Greenwald, Long Prairie Airport, West Union and New Munich.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4592 9463 4589 9465 4578 9465 4577 9460
      4551 9455 4549 9513 4576 9514 4580 9514
      4601 9466
TIME...MOT...LOC 2101Z 239DEG 38KT 4567 9500 

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

JRB
635 
WWUS53 KMPX 272112
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
412 PM CDT MON AUG 27 2018

MNC145-153-272145-
/O.CON.KMPX.SV.W.0131.000000T0000Z-180827T2145Z/
Todd MN-Stearns MN-
412 PM CDT MON AUG 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHERN TODD AND NORTHWESTERN STEARNS COUNTIES...

At 412 PM CDT, a severe thunderstorm was located near Sauk Centre
Airport, or 27 miles southeast of Alexandria, moving northeast at 45
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.

This severe storm will be near...
  Grey Eagle around 425 PM CDT.
  Swanville around 435 PM CDT.

Other locations impacted by this severe thunderstorm include St.
Rosa, Round Prairie, Burtrum, Pleasant Beach, Greenwald, Long Prairie
Airport, West Union, New Munich, Sauk Centre Airport and North Shore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4592 9463 4589 9465 4578 9465 4577 9460
      4551 9455 4560 9486 4576 9514 4580 9514
      4601 9466
TIME...MOT...LOC 2112Z 239DEG 38KT 4573 9486 

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

JRB
827 
WWUS53 KMPX 272125
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
425 PM CDT MON AUG 27 2018

MNC145-153-272135-
/O.CAN.KMPX.SV.W.0131.000000T0000Z-180827T2145Z/
Todd MN-Stearns MN-
425 PM CDT MON AUG 27 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TODD AND NORTHWESTERN
STEARNS COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central Minnesota.

LAT...LON 4592 9463 4589 9465 4578 9465 4577 9460
      4551 9455 4560 9486 4576 9514 4580 9514
      4601 9466
TIME...MOT...LOC 2123Z 239DEG 38KT 4580 9469 

$$

JRB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 1:01 AM CDTSpecial Weather StatementMPXDakota29 min
Aug 27, 1:53 AM CDTSpecial Weather StatementMPXGoodhue67 min
Aug 27, 1:44 PM CDTSpecial Weather StatementMPXBenton31 min
Aug 27, 2:03 PM CDTSevere Thunderstorm WarningMPXBenton, Isanti, Kanabec, Mille Lacs27 min
Aug 27, 3:17 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin, Watonwan58 min
Aug 27, 3:52 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Nicollet, Waseca53 min
Aug 27, 4:14 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Nicollet, Rice, Scott, Sibley61 min
Aug 27, 4:17 PM CDTSpecial Weather StatementMPXMorrison43 min
Aug 27, 4:35 PM CDTSpecial Weather StatementMPXBenton, Sherburne70 min
Aug 27, 4:42 PM CDTSevere Thunderstorm WarningMPXFreeborn, Steele, Waseca48 min
Aug 27, 5:02 PM CDTSevere Thunderstorm WarningMPXCarver, Dakota, Hennepin, Ramsey, Scott, Washington58 min
Aug 27, 5:05 PM CDTSevere Thunderstorm WarningMPXGoodhue, Rice55 min
Aug 27, 5:07 PM CDTSpecial Weather StatementMPXKanabec, Mille Lacs38 min
Aug 27, 5:16 PM CDTTornado WarningMPXGoodhue, Rice44 min
Aug 27, 5:32 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Isanti, Ramsey, Sherburne, Wright43 min
Aug 27, 5:47 PM CDTSevere Thunderstorm WarningMPXGoodhue58 min
Aug 27, 5:54 PM CDTSpecial Weather StatementMPXFreeborn36 min
Aug 27, 6:03 PM CDTSevere Thunderstorm WarningMPXWashington57 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.