Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 69, NWS Grand Forks, ND

July 7, 2016Otter Tail County, Wilkin County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 7, 2016, 7:55 PM CDT for Otter Tail County, Wilkin County, Minnesota. It was in force for 50 min. 2 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: Jul 7, 2016, 7:55 PM CDT (00:55 UTC)
Expired: Jul 7, 2016, 8:45 PM CDT
In force: 50 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Otter Tail County, MN, Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 157 km from the middle of the area, began a volume at 00:55 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
Jul 7, 8:20 PM CDT	HAIL 1	4 Ne Elizabeth, MN	HAIL OVER LONG LAKE.
Jul 7, 8:37 PM CDT	FUNNEL CLOUD	3 E Elizabeth, MN	PICTURE ON SOCIAL MEDIA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.9 hours before the alert went out and 249 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: 1000 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1636 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

788 
WUUS53 KFGF 080055
SVRFGF
MNC111-167-080145-
/O.NEW.KFGF.SV.W.0069.160708T0055Z-160708T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
755 PM CDT THU JUL 7 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHEASTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 845 PM CDT

* AT 754 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROTHSAY...OR
  13 MILES NORTHWEST OF FERGUS FALLS...MOVING EAST AT 25 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  CARLISLE AROUND 800 PM CDT. 
  ELIZABETH AROUND 805 PM CDT. 
  ERHARD AROUND 810 PM CDT. 
  EDWARDS AND MAPLEWOOD STATE PARK AROUND 825 PM CDT. 
  STAR LAKE AND PHELPS AROUND 840 PM CDT. 

ALSO INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 31 AND
55.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4627 9634 4663 9633 4663 9560 4629 9560
TIME...MOT...LOC 0054Z 269DEG 24KT 4642 9626 

HAIL...1.50IN
WIND...60MPH
 
$$
DTR

3 follow-up statements

607 
WWUS53 KFGF 080110
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
810 PM CDT THU JUL 7 2016

MNC167-080120-
/O.CAN.KFGF.SV.W.0069.000000T0000Z-160708T0145Z/
WILKIN MN-
810 PM CDT THU JUL 7 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WILKIN 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 4627 9625 4662 9626 4663 9560 4629 9560
TIME...MOT...LOC 0110Z 269DEG 24KT 4642 9610 

$$

MNC111-080145-
/O.CON.KFGF.SV.W.0069.000000T0000Z-160708T0145Z/
OTTER TAIL MN-
810 PM CDT THU JUL 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN OTTER TAIL COUNTY...

AT 810 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
ELIZABETH...OR 9 MILES NORTH OF FERGUS FALLS...MOVING EAST AT 30 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...
  EDWARDS AND MAPLEWOOD STATE PARK AROUND 820 PM CDT. 
  STAR LAKE AND PHELPS AROUND 840 PM CDT. 
  OTTERTAIL LAKE AND AMOR AROUND 845 PM CDT. 

ALSO INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 41 AND
55.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4627 9625 4662 9626 4663 9560 4629 9560
TIME...MOT...LOC 0110Z 269DEG 24KT 4642 9610 

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

DTR

147 
WWUS53 KFGF 080130
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
830 PM CDT THU JUL 7 2016

MNC111-080145-
/O.CON.KFGF.SV.W.0069.000000T0000Z-160708T0145Z/
OTTER TAIL MN-
830 PM CDT THU JUL 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN OTTER TAIL COUNTY...

AT 829 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER EDWARDS...OR
10 MILES NORTH OF FERGUS FALLS...MOVING EAST 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 STORM WILL BE NEAR...
  MAPLEWOOD STATE PARK AROUND 835 PM CDT. 
  SOUTHERN STAR LAKE...PHELPS AND AMOR AROUND 845 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4628 9601 4635 9613 4649 9614 4662 9625
      4663 9560 4629 9560
TIME...MOT...LOC 0129Z 271DEG 16KT 4642 9599 

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

KNUTSVIG

864 
WWUS53 KFGF 080145
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
845 PM CDT THU JUL 7 2016

MNC111-080155-
/O.EXP.KFGF.SV.W.0069.000000T0000Z-160708T0145Z/
OTTER TAIL MN-
845 PM CDT THU JUL 7 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OTTER TAIL COUNTY
HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4628 9601 4635 9613 4649 9614 4662 9625
      4663 9560 4629 9560
TIME...MOT...LOC 0143Z 269DEG 24KT 4642 9599 

$$
KNUTSVIG

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 7, 7:26 PM CDT	Special Weather Statement	FGF	Becker	64 min
Jul 7, 8:35 PM CDT	Special Weather Statement	FGF	Clearwater	40 min
Jul 7, 9:26 PM CDT	Tornado Warning	FGF	Wadena	34 min
Jul 7, 11:15 PM CDT	Areal Flood Advisory	FGF	Kittson, Marshall, Pennington, Roseau	10 hr

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.