Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 200, NWS Twin Cities, MN

August 10, 2016Kandiyohi County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 10, 2016, 4:32 PM CDT for Kandiyohi County, Minnesota. It was in force for 43 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: Aug 10, 2016, 4:32 PM CDT (21:32 UTC)
Expired: Aug 10, 2016, 5:15 PM CDT
In force: 43 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Kandiyohi County, MN

The radar

The Minneapolis radar (KMPX), 123 km from the middle of the area, began a volume at 21:33 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 10, 4:36 PM CDT	HAIL 2	Pennock, MN	LATE REPORT ESTIMATED VIA SOCIAL MEDIA.

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 10, 4:20 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.5 hours before the alert went out and 121 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: 537 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 910 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

017 
WUUS53 KMPX 102132
SVRMPX
MNC067-102215-
/O.NEW.KMPX.SV.W.0200.160810T2132Z-160810T2215Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...

* UNTIL 515 PM CDT

* AT 432 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PENNOCK...OR
  NEAR WILLMAR...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. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  WILLMAR AROUND 435 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
SUNBURG... WILLMAR AIRPORT...NORWAY LAKE...PENNOCK...REGAL AND GREEN
LAKE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 U.S. HIGHWAY 12 BETWEEN MILE MARKERS 64 AND 78.
 U.S. HIGHWAY 8 IN MINNESOTA NEAR MILE MARKER 6.
 U.S. HIGHWAY 71 BETWEEN MILE MARKERS 122 AND 144.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4509 9498 4511 9525 4541 9524 4541 9477
TIME...MOT...LOC 2132Z 193DEG 19KT 4514 9515 

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

RAH

1 follow-up statement

369 
WWUS53 KMPX 102151
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
451 PM CDT WED AUG 10 2016

MNC067-102215-
/O.CON.KMPX.SV.W.0200.000000T0000Z-160810T2215Z/
KANDIYOHI MN-
451 PM CDT WED AUG 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHERN KANDIYOHI COUNTY...

AT 451 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
WILLMAR...MOVING NORTH AT 15 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...
  SPICER AROUND 505 PM CDT. 
  NEW LONDON AROUND 510 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
SUNBURG... WILLMAR AIRPORT...NORWAY LAKE...PENNOCK...REGAL AND GREEN
LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4509 9498 4511 9525 4541 9524 4541 9477
TIME...MOT...LOC 2151Z 197DEG 15KT 4520 9507 

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, 4:26 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	34 min
Aug 10, 4:30 PM CDT	Special Weather Statement	MPX	Mille Lacs	60 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.