Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 52, NWS Twin Cities, MN

June 11, 2017Chippewa County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2017, 6:24 AM CDT for Chippewa County, Swift County, Minnesota. It was in force for 66 min. 1 report 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
Jun 11, 2017, 6:24 AM CDT (11:24 UTC)
Expired
Jun 11, 2017, 7:30 AM CDT
In force
66 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Chippewa County, MN, Swift County, MN

The radar

The Minneapolis radar (KMPX), 161 km from the middle of the area, began a volume at 11:28 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
Jun 11, 7:30 AM CDTTSTM WND DMG1 Se Kerkhoven, MNTREES AND POWER LINES DOWN.

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
Jun 11, 2:37 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 11.4 hours before the alert went out and 159 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 2017-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1841 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 2017-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1841 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1879 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

829 
WUUS53 KMPX 111124
SVRMPX
MNC023-151-111230-
/O.NEW.KMPX.SV.W.0052.170611T1124Z-170611T1230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
624 AM CDT SUN JUN 11 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Chippewa County in west central Minnesota...
  Swift County in west central Minnesota...

* Until 730 AM CDT

* At 624 AM CDT, severe thunderstorms were located along a line
  extending from Appleton Airport to Boyd, moving northeast at 50
  mph.

  HAZARD...70 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Severe thunderstorms will be near,
  Maynard around 645 AM CDT. 
  Benson around 650 AM CDT. 
  Clara City and Lake Hassel around 655 AM CDT. 
  Kerkhoven around 705 AM CDT. 

Other locations impacted by these severe thunderstorms include
Asbury, Benson Airport, Danvers, Swift Falls, Hagen, Big Bend City,
Clontarf, De Graff, Gluek and Holloway.

This includes the following highways...
 U.S. Highway 12 between mile markers 22 and 62.
 U.S. Highway 212 near mile marker 52.
 U.S. Highway 59 between mile markers 139 and 153.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4541 9526 4490 9525 4489 9548 4478 9549
      4536 9612 4541 9612
TIME...MOT...LOC 1124Z 241DEG 44KT 4521 9599 4487 9587 

HAIL...1.00IN
WIND...70MPH
 
$$

jrb
3 follow-up statements
787 
WWUS53 KMPX 111142
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
642 AM CDT SUN JUN 11 2017

MNC023-151-111230-
/O.CON.KMPX.SV.W.0052.000000T0000Z-170611T1230Z/
Chippewa MN-Swift MN-
642 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR CHIPPEWA AND SWIFT COUNTIES...

At 642 AM CDT, severe thunderstorms were located along a line
extending from Danvers to near Montevideo, moving northeast at 50
mph.

HAZARD...70 mph wind gusts and quarter size hail. 

SOURCE...Law enforcement. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings. 

These severe storms will be near...
  Benson and Maynard around 650 AM CDT. 
  Clara City and Lake Hassel around 655 AM CDT. 
  Kerkhoven around 710 AM CDT. 

Other locations impacted by these severe thunderstorms include
Asbury, Benson Airport, Danvers, Swift Falls, Hagen, Big Bend City,
Clontarf, De Graff, Gluek and Holloway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4541 9526 4490 9525 4489 9548 4478 9549
      4536 9612 4541 9612
TIME...MOT...LOC 1142Z 241DEG 44KT 4530 9577 4496 9565 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

jrb
702 
WWUS53 KMPX 111209
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
709 AM CDT SUN JUN 11 2017

MNC023-151-111230-
/O.CON.KMPX.SV.W.0052.000000T0000Z-170611T1230Z/
Chippewa MN-Swift MN-
709 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR EASTERN CHIPPEWA AND EASTERN SWIFT COUNTIES...

At 708 AM CDT, severe thunderstorms were located along a line
extending from near Swift Falls to 6 miles northwest of Raymond,
moving northeast at 50 mph.

HAZARD...70 mph wind gusts and quarter size hail. 

SOURCE...Law enforcement. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings. 

these severe thunderstorms will remain over mainly rural areas of
eastern Chippewa and eastern Swift Counties, including the following
locations: Gluek, De Graff and Swift Falls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4541 9526 4490 9525 4489 9548 4478 9549
      4526 9549 4540 9561
TIME...MOT...LOC 1208Z 241DEG 44KT 4544 9542 4510 9530 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

jrb
919 
WWUS53 KMPX 111222
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
722 AM CDT SUN JUN 11 2017

MNC023-151-111232-
/O.EXP.KMPX.SV.W.0052.000000T0000Z-170611T1230Z/
Chippewa MN-Swift MN-
722 AM CDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHIPPEWA AND EASTERN
SWIFT COUNTIES WILL EXPIRE AT 730 AM 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 800 AM CDT for
central and west central Minnesota.

LAT...LON 4541 9526 4490 9525 4489 9548 4478 9549
      4526 9549 4540 9561
TIME...MOT...LOC 1222Z 241DEG 44KT 4552 9522 4518 9510 

$$

jrb

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 5:56 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Swift, Yellow Medicine49 min
Jun 11, 6:09 AM CDTSevere Thunderstorm WarningMPXLac qui Parle, Swift36 min
Jun 11, 6:27 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine48 min
Jun 11, 6:50 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Redwood, Renville55 min
Jun 11, 7:05 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood55 min
Jun 11, 7:21 AM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker, Sibley, Wright54 min
Jun 11, 7:34 AM CDTTornado WarningMPXKandiyohi, Meeker26 min
Jun 11, 7:38 AM CDTSevere Thunderstorm WarningMPXStearns, Wright52 min
Jun 11, 7:50 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright55 min
Jun 11, 7:56 AM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle, Pope, Stevens, Swift, Yellow Medicine109 min
Jun 11, 8:00 AM CDTSpecial Weather StatementMPXBrown45 min
Jun 11, 8:05 AM CDTSpecial Weather StatementMPXBenton, Morrison, Sherburne40 min
Jun 11, 8:10 AM CDTSevere Thunderstorm WarningMPXLe Sueur, McLeod, Scott, Sibley50 min
Jun 11, 8:24 AM CDTSpecial Weather StatementMPXNicollet51 min
Jun 11, 8:27 AM CDTSevere Thunderstorm WarningMPXAnoka, Dakota, Hennepin, Ramsey, Scott48 min
Jun 11, 8:38 AM CDTSpecial Weather StatementMPXChisago, Isanti67 min
Jun 11, 8:50 AM CDTSevere Thunderstorm WarningMPXDakota, Washington40 min
Jun 11, 9:00 AM CDTSpecial Weather StatementMPXGoodhue, Le Sueur, Rice60 min
Jun 11, 9:02 AM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Washington28 min
Jun 11, 9:37 AM CDTSevere Thunderstorm WarningMPXGoodhue38 min
Jun 11, 9:41 AM CDTSpecial Weather StatementMPXBenton, Douglas, Morrison, Pope, Stearns, Todd109 min
Jun 11, 4:08 PM CDTSpecial Weather StatementMPXWright37 min
Jun 11, 4:27 PM CDTSpecial Weather StatementMPXIsanti33 min
Jun 11, 5:11 PM CDTSpecial Weather StatementMPXWright34 min
Jun 11, 5:57 PM CDTSpecial Weather StatementMPXRamsey33 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017

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.