Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 86, NWS Grand Forks, ND

July 9, 20165 counties in Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 9, 2016, 10:00 PM CDT for 5 counties in Minnesota. It was in force for 60 min. 6 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 9, 2016, 10:00 PM CDT (03:00 UTC)
Expired: Jul 9, 2016, 11:00 PM CDT
In force: 60 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Becker County, MN, Clay County, MN, Mahnomen County, MN, Norman County, MN, Otter Tail County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 90 km from the middle of the area, began a volume at 02:59 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 9, 10:10 PM CDT	HAIL 0.88	Cormorant, MN	WIND GUSTS TO 52 MPH. REPORT POSTED TO SOCIAL MEDIA.
Jul 9, 10:20 PM CDT	TSTM WND DMG	Hawley, MN	STEEL ROOFING MATERIAL TORN OFF OF DOG KENNELS. STEEL DOORS CAVED IN STORAGE BUILDINGS. CONSTRUCTION TRAILER BLOWN OVER AND ROLLED. TREES BROKEN DOWN AROUND TOWN. TIME ESTIMATED BASED ON RADAR.
Jul 9, 10:40 PM CDT	TSTM WND GST 60	4 Ese Moorhead, MN	DRIVING RAIN AND VERY STRONG WINDS ESTIMATED AT 50 TO 60 MPH. VEHICLE ROCKING.
Jul 9, 10:45 PM CDT	TSTM WND DMG	Waubun, MN	REPORT OF TWO LARGE BRANCHES BROKEN OFF AN OAK TREE. POSTED VIA SOCIAL MEDIA.
Jul 9, 11:06 PM CDT	HAIL 1.25	Audubon, MN
Jul 9, 11:10 PM CDT	TSTM WND DMG	2 Nne Cormorant, MN	LARGE TREES BROKEN DOWN NEAR BIG COMORANT LAKE. PHOTO AND REPORT POSTED TO 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
Jul 9, 8:32 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 3.0 hours before the alert went out and 270 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: 2269 J/kg
Mixed-layer CIN: -187 J/kg
Mixed-layer LCL: 1392 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 386 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 20.7

Open this sounding in Storm Lab

The text

As transmitted.

590 
WUUS53 KFGF 100300
SVRFGF
MNC005-027-087-107-111-100400-
/O.NEW.KFGF.SV.W.0086.160710T0300Z-160710T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1000 PM CDT SAT JUL 9 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  WESTERN BECKER COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHWESTERN MAHNOMEN COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHEASTERN NORMAN COUNTY IN NORTHWESTERN MINNESOTA...
  CLAY COUNTY IN NORTHWESTERN MINNESOTA...

* UNTIL 1100 PM CDT

* AT 959 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR FAITH TO NEAR FELTON TO NEAR KRAGNES...MOVING
  SOUTHEAST AT 30 MPH.

  HAZARD...GOLF 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. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  FAITH AROUND 1005 PM CDT. 
  ULEN AND FLOM AROUND 1010 PM CDT. 
  HITTERDAL AROUND 1015 PM CDT. 
  HAWLEY AROUND 1020 PM CDT. 
  WAUBUN AND DALE AROUND 1025 PM CDT. 

ALSO INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 3 AND
27.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4669 9591 4663 9617 4663 9656 4691 9677
      4692 9675 4693 9676 4693 9678 4700 9682
      4701 9684 4703 9682 4703 9683 4706 9682
      4719 9658 4738 9629 4702 9549
TIME...MOT...LOC 0259Z 308DEG 25KT 4726 9615 4705 9640 4697 9671 

HAIL...1.75IN
WIND...60MPH
 
$$

KNUTSVIG

1 follow-up statement

060 
WWUS53 KFGF 100332
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1032 PM CDT SAT JUL 9 2016

MNC005-027-087-107-111-100400-
/O.CON.KFGF.SV.W.0086.000000T0000Z-160710T0400Z/
OTTER TAIL MN-BECKER MN-MAHNOMEN MN-NORMAN MN-CLAY MN-
1032 PM CDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR NORTHWESTERN OTTER TAIL...WESTERN BECKER...SOUTHWESTERN
MAHNOMEN...SOUTHEASTERN NORMAN AND CLAY COUNTIES...

AT 1031 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM OGEMA TO DALE TO NEAR MUSKODA...MOVING SOUTHEAST AT 25
MPH.

HAZARD...70 MPH WIND GUSTS AND HALF DOLLAR 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. 

THESE SEVERE STORMS WILL BE NEAR...
  OGEMA AROUND 1035 PM CDT. 
  WHITE EARTH AROUND 1040 PM CDT. 
  LAKE PARK AROUND 1045 PM CDT. 
  CALLAWAY AROUND 1055 PM CDT. 
  BARNESVILLE...RICHWOOD AND CORMORANT AROUND 1100 PM CDT. 

ALSO INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 4 AND
27.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4669 9591 4663 9617 4663 9656 4680 9669
      4692 9675 4693 9676 4694 9676 4698 9679
      4707 9637 4726 9603 4702 9549
TIME...MOT...LOC 0331Z 325DEG 20KT 4713 9591 4691 9622 4684 9647 

HAIL...1.25IN
WIND...70MPH
 
$$

JR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:30 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	60 min
Jul 9, 8:31 PM CDT	Severe Thunderstorm Warning	FGF	Norman, Polk	44 min
Jul 9, 9:08 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman, Polk	52 min
Jul 9, 9:30 PM CDT	Severe Thunderstorm Warning	FGF	Norman	45 min
Jul 9, 10:13 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman	62 min
Jul 9, 10:57 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Otter Tail, Wilkin	63 min
Jul 9, 11:13 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Wilkin	62 min
Jul 9, 11:55 PM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wilkin	65 min
Jul 10, 12:02 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Wilkin	58 min
Jul 10, 12:52 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wadena, Wilkin	53 min
Jul 10, 1:10 AM CDT	Flash Flood Warning	FGF	Otter Tail, Wilkin	8 hr
Jul 10, 1:41 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wilkin	42 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.