Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 210, NWS Twin Cities, MN

September 22, 2017Lac qui Parle County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 22, 2017, 9:11 PM CDT for Lac qui Parle County, Yellow Medicine County, Minnesota. It was in force for 49 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
Sep 22, 2017, 9:11 PM CDT (02:11 UTC)
Expired
Sep 22, 2017, 10:00 PM CDT
In force
49 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Lac qui Parle County, MN, Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 152 km from the middle of the area, began a volume at 02:13 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

Aberdeen, SD (KABR), launched 00:00Z, 2.2 hours before the alert went out and 174 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, Aberdeen, SD at 00:00Z on 2017-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Aberdeen, SD at 00:00Z on 2017-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

229 
WUUS53 KMPX 230211
SVRMPX
MNC073-173-230300-
/O.NEW.KMPX.SV.W.0210.170923T0211Z-170923T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
911 PM CDT FRI SEP 22 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Lac qui Parle County in west central Minnesota...
  West central Yellow Medicine County in west central Minnesota...

* Until 1000 PM CDT

* At 911 PM CDT, a severe thunderstorm was located over Burr, or 13
  miles east of Clear Lake, 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,
  Madison and Dawson around 940 PM CDT. 

Other locations impacted by this severe thunderstorm include
Providence, Burr, Cerro Gordo, Madison Airport, Florida Creek
Wildlife Management Area and Louisburg.

This includes the following highways...
 U.S. Highway 212 between mile markers 1 and 31.
 U.S. Highway 75 between mile markers 95 and 115.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4473 9645 4492 9646 4519 9614 4516 9605
      4498 9582 4496 9582 4494 9580 4464 9642
      4471 9646
TIME...MOT...LOC 0211Z 224DEG 37KT 4477 9639 

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

BORGHOFF
3 follow-up statements
610 
WWUS53 KMPX 230227
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
927 PM CDT FRI SEP 22 2017

MNC073-173-230300-
/O.CON.KMPX.SV.W.0210.000000T0000Z-170923T0300Z/
Lac qui Parle MN-Yellow Medicine MN-
927 PM CDT FRI SEP 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR LAC QUI PARLE AND WEST CENTRAL YELLOW MEDICINE COUNTIES...

At 927 PM CDT, severe thunderstorms were located along a line
extending from near Madison to near Madison Airport to near Canby,
moving northeast at 55 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...
  Dawson around 945 PM CDT. 

Other locations impacted by these severe thunderstorms include
Providence, Cerro Gordo, Madison Airport and Louisburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4488 9628 4500 9635 4519 9614 4516 9605
      4498 9582 4496 9582 4494 9580 4471 9628
TIME...MOT...LOC 0227Z 220DEG 47KT 4504 9626 4494 9619 4476 9620 

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

BORGHOFF
639 
WWUS53 KMPX 230240
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
940 PM CDT FRI SEP 22 2017

MNC173-230250-
/O.CAN.KMPX.SV.W.0210.000000T0000Z-170923T0300Z/
Yellow Medicine MN-
940 PM CDT FRI SEP 22 2017

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

LAT...LON 4501 9611 4511 9600 4498 9582 4496 9582
      4494 9580 4480 9609
TIME...MOT...LOC 0240Z 234DEG 41KT 4492 9600 

$$

MNC073-230300-
/O.CON.KMPX.SV.W.0210.000000T0000Z-170923T0300Z/
Lac qui Parle MN-
940 PM CDT FRI SEP 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR SOUTHEASTERN LAC QUI PARLE COUNTY...

At 940 PM CDT, a severe thunderstorm was located over Dawson, or 13
miles west of Montevideo, 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 remain over mainly rural areas of
southeastern Lac qui Parle County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4501 9611 4511 9600 4498 9582 4496 9582
      4494 9580 4480 9609
TIME...MOT...LOC 0240Z 234DEG 41KT 4492 9600 

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

BORGHOFF
808 
WWUS53 KMPX 230255
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
955 PM CDT FRI SEP 22 2017

MNC073-230305-
/O.EXP.KMPX.SV.W.0210.000000T0000Z-170923T0300Z/
Lac qui Parle MN-
955 PM CDT FRI SEP 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LAC QUI PARLE
COUNTY WILL EXPIRE AT 1000 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with this thunderstorm.

LAT...LON 4501 9611 4511 9600 4498 9582 4496 9582
      4494 9580 4480 9609
TIME...MOT...LOC 0255Z 224DEG 37KT 4502 9586 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 9:01 PM CDTSpecial Weather StatementMPXLac qui Parle44 min
Sep 22, 10:04 PM CDTSpecial Weather StatementMPXChippewa, Swift26 min
Sep 22, 11:00 PM CDTSpecial Weather StatementMPXPope45 min
Sep 22, 11:40 PM CDTSpecial Weather StatementMPXTodd50 min
Sep 23, 3:28 PM CDTSpecial Weather StatementMPXNicollet32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.