Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 199, NWS Twin Cities, MN

August 10, 2016Chippewa County, Lac qui Parle County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 10, 2016, 4:26 PM CDT for Chippewa County, Lac qui Parle County, Swift County, Minnesota. It was in force for 34 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: Aug 10, 2016, 4:26 PM CDT (21:26 UTC)
Expired: Aug 10, 2016, 5:00 PM CDT
In force: 34 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Chippewa County, MN, Lac qui Parle County, MN, Swift County, MN

The radar

The Aberdeen radar (KABR), 180 km from the middle of the area, began a volume at 21:27 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.

Issued	Product	Office	Lasted
Aug 10, 1:15 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 10, 4:20 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.4 hours before the alert went out and 182 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: 1 J/kg
Mixed-layer CIN: -354 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 365 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 12.7

Open this sounding in Storm Lab

The text

As transmitted.

306 
WUUS53 KMPX 102126
SVRMPX
MNC023-073-151-102200-
/O.NEW.KMPX.SV.W.0199.160810T2126Z-160810T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
426 PM CDT WED AUG 10 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHWESTERN LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHWESTERN CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 500 PM CDT

* AT 425 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR BELLINGHAM TO NEAR HAGEN...MOVING NORTH AT 20
  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...
  BENSON AROUND 455 PM CDT. 
  LAKE HASSEL AND ARTICHOKE LAKE AROUND 500 PM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
CLONTARF...LOUISBURG...HOLLOWAY...BIG BEND CITY...BIG STONE NATIONAL
WILDLIFE REFUGE...BENSON AIRPORT...HAGEN...SWIFT FALLS...DANVERS AND
APPLETON AIRPORT.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 U.S. HIGHWAY 12 BETWEEN MILE MARKERS 17 AND 48.
 U.S. HIGHWAY 75 BETWEEN MILE MARKERS 116 AND 127.
 U.S. HIGHWAY 59 BETWEEN MILE MARKERS 136 AND 152.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4527 9644 4525 9629 4522 9627 4522 9622
      4519 9617 4518 9610 4524 9610 4524 9612
      4540 9611 4541 9542 4510 9561 4508 9645
TIME...MOT...LOC 2125Z 193DEG 19KT 4516 9632 4518 9573 

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

RAH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 3:46 AM CDT	Severe Thunderstorm Warning	MPX	Stevens	44 min
Aug 10, 4:06 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope	39 min
Aug 10, 4:28 AM CDT	Severe Thunderstorm Warning	MPX	Stevens, Swift	32 min
Aug 10, 4:47 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Swift, Todd	43 min
Aug 10, 5:03 AM CDT	Special Weather Statement	MPX	Lac qui Parle, Swift	57 min
Aug 10, 5:33 AM CDT	Special Weather Statement	MPX	Morrison, Stearns, Todd	42 min
Aug 10, 11:00 AM CDT	Flash Flood Watch	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	32 hr
Aug 10, 3:18 PM CDT	Special Weather Statement	MPX	Douglas	27 min
Aug 10, 3:42 PM CDT	Special Weather Statement	MPX	Kandiyohi	33 min
Aug 10, 3:48 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	42 min
Aug 10, 4:16 PM CDT	Special Weather Statement	MPX	Swift	29 min
Aug 10, 4:30 PM CDT	Special Weather Statement	MPX	Mille Lacs	60 min
Aug 10, 4:32 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	43 min
Aug 10, 5:43 PM CDT	Special Weather Statement	MPX	Mille Lacs	2 hr
Aug 10, 6:21 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	39 min
Aug 10, 6:25 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Isanti, Kanabec, Mille Lacs, Sherburne	35 min
Aug 10, 6:35 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Swift	40 min
Aug 10, 6:58 PM CDT	Special Weather Statement	MPX	Anoka, Chisago	47 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Every severe thunderstorm warning in 2016

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.