Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 130, NWS Twin Cities, MN

August 27, 2018Faribault County, Martin County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 2018, 3:17 PM CDT for Faribault County, Martin County, Watonwan County, Minnesota. It was in force for 58 min. 3 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, 3:17 PM CDT (20:17 UTC)
Expired: Aug 27, 2018, 4:15 PM CDT
In force: 58 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Faribault County, MN, Martin County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 142 km from the middle of the area, began a volume at 20:20 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

Time	Report	Where	Remark
Aug 27, 3:29 PM CDT	TSTM WND DMG	Welcome, MN	TREE DOWN ON TRAILER. REPORT RELAYED VIA DISPATCH. TIME ESTIMATED FROM RADAR.
Aug 27, 3:40 PM CDT	TSTM WND DMG	Northrop, MN	SOCIAL MEDIA PHOTO OF TREE AND POWER LINES DOWN IN NORTHROP. TIME ESTIMATED FROM RADAR.
Aug 27, 3:57 PM CDT	TSTM WND DMG	1 Wnw Truman, MN	LARGE BRANCHES AND A TREE DOWN. ESTIMATED WIND GUSTS OF 70 MPH.

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.

Issued	Product	Office	Lasted
Aug 27, 2:57 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.3 hours before the alert went out and 141 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

147 
WUUS53 KMPX 272017
SVRMPX
MNC043-091-165-272115-
/O.NEW.KMPX.SV.W.0130.180827T2017Z-180827T2115Z/

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

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southwestern Faribault County in south central Minnesota...
  Martin County in south central Minnesota...
  Watonwan County in south central Minnesota...

* Until 415 PM CDT.

* At 316 PM CDT, severe thunderstorms were located along a line
  extending from near Bergen to near Estherville Municipal Airport,
  moving northeast at 40 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.

* Severe thunderstorms will be near...
  Trimont and Ceylon around 330 PM CDT.
  Fairmont around 340 PM CDT.
  St. James around 350 PM CDT.
  Lewisville around 400 PM CDT.
  Blue Earth, Madelia and Winnebago around 410 PM CDT.

Other locations impacted by these severe thunderstorms include
Fairmont Airport, Huntley, Dunnell, Northrop, Ormsby, St James
Airport, Granada, Echols, East Chain and Grogan.

This includes the following highways...
 Interstate 90 between mile markers 82 and 119.
 U.S. Highway 169 between mile markers 1 and 9.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4351 9485 4401 9485 4411 9437 4385 9437
      4385 9425 4350 9399
TIME...MOT...LOC 2016Z 239DEG 33KT 4375 9494 4345 9472 

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

BORGHOFF

4 follow-up statements

596 
WWUS53 KMPX 272035
SVSMPX

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

MNC043-091-165-272115-
/O.CON.KMPX.SV.W.0130.000000T0000Z-180827T2115Z/
Faribault MN-Martin MN-Watonwan MN-
335 PM CDT MON AUG 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHWESTERN FARIBAULT...MARTIN AND WATONWAN COUNTIES...

At 335 PM CDT, severe thunderstorms were located along a line
extending from Echols to near Fairmont, 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.

These severe storms will be near...
  Lewisville around 345 PM CDT.
  Madelia and Winnebago around 355 PM CDT.

Other locations impacted by these severe thunderstorms include
Fairmont Airport, Huntley, Dunnell, Northrop, Ormsby, St James
Airport, Granada, Echols, East Chain and Grogan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4351 9485 4401 9485 4411 9437 4385 9437
      4385 9425 4350 9399
TIME...MOT...LOC 2035Z 234DEG 40KT 4392 9465 4362 9443 

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

JRB

205 
WWUS53 KMPX 272048
SVSMPX

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

MNC043-091-165-272115-
/O.CON.KMPX.SV.W.0130.000000T0000Z-180827T2115Z/
Faribault MN-Martin MN-Watonwan MN-
348 PM CDT MON AUG 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHWESTERN FARIBAULT...MARTIN AND WATONWAN COUNTIES...

At 347 PM CDT, severe thunderstorms were located along a line
extending from near St James Airport to near Huntley, moving
northeast at 40 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...
  Blue Earth and Winnebago around 355 PM CDT.

Other locations impacted by these severe thunderstorms include
Fairmont Airport, Huntley, Northrop, Ormsby, St James Airport,
Granada, Echols, East Chain, Grogan and Imogene.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4378 9485 4401 9485 4411 9437 4385 9437
      4385 9425 4350 9399 4351 9445
TIME...MOT...LOC 2047Z 238DEG 36KT 4398 9451 4372 9419 

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

JRB

179 
WWUS53 KMPX 272057
SVSMPX

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

MNC043-091-165-272115-
/O.CON.KMPX.SV.W.0130.000000T0000Z-180827T2115Z/
Faribault MN-Martin MN-Watonwan MN-
357 PM CDT MON AUG 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHWESTERN FARIBAULT...MARTIN AND WATONWAN COUNTIES...

At 356 PM CDT, severe thunderstorms were located along a line
extending from Madelia to near Winnebago, moving northeast at 55 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Public.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe thunderstorms will remain over mainly rural areas of
southwestern Faribault...Martin and Watonwan Counties, including the
following locations... Fairmont Airport, Huntley, Northrop, Ormsby,
St James Airport, Granada, Echols, East Chain, Grogan and Imogene.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4378 9485 4401 9485 4411 9437 4385 9437
      4385 9425 4350 9399 4351 9445
TIME...MOT...LOC 2056Z 237DEG 48KT 4402 9442 4376 9410 

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

JRB

070 
WWUS53 KMPX 272108
SVSMPX

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

MNC043-091-165-272118-
/O.EXP.KMPX.SV.W.0130.000000T0000Z-180827T2115Z/
Faribault MN-Martin MN-Watonwan MN-
408 PM CDT MON AUG 27 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN FARIBAULT...
MARTIN AND WATONWAN COUNTIES WILL EXPIRE AT 415 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south 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 4378 9485 4401 9485 4411 9437 4385 9437
      4385 9425 4350 9399 4351 9445
TIME...MOT...LOC 2108Z 239DEG 33KT 4407 9431 4381 9399 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 27, 1:01 AM CDT	Special Weather Statement	MPX	Dakota	29 min
Aug 27, 1:53 AM CDT	Special Weather Statement	MPX	Goodhue	67 min
Aug 27, 1:44 PM CDT	Special Weather Statement	MPX	Benton	31 min
Aug 27, 2:03 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Kanabec, Mille Lacs	27 min
Aug 27, 3:38 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Stearns, Todd	47 min
Aug 27, 3:52 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Nicollet, Waseca	53 min
Aug 27, 4:14 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet, Rice, Scott, Sibley	61 min
Aug 27, 4:17 PM CDT	Special Weather Statement	MPX	Morrison	43 min
Aug 27, 4:35 PM CDT	Special Weather Statement	MPX	Benton, Sherburne	70 min
Aug 27, 4:42 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele, Waseca	48 min
Aug 27, 5:02 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Dakota, Hennepin, Ramsey, Scott, Washington	58 min
Aug 27, 5:05 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue, Rice	55 min
Aug 27, 5:07 PM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	38 min
Aug 27, 5:16 PM CDT	Tornado Warning	MPX	Goodhue, Rice	44 min
Aug 27, 5:32 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Isanti, Ramsey, Sherburne, Wright	43 min
Aug 27, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	58 min
Aug 27, 5:54 PM CDT	Special Weather Statement	MPX	Freeborn	36 min
Aug 27, 6:03 PM CDT	Severe Thunderstorm Warning	MPX	Washington	57 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018 Every 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.