Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 83, NWS Grand Forks, ND

July 9, 2016Cass County, Traill County, North Dakota; Clay County, Norman County, Polk County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 9, 2016, 9:08 PM CDT for Cass County, Traill County, North Dakota; Clay County, Norman County, Polk County, Minnesota. It was in force for 52 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 9, 2016, 9:08 PM CDT (02:08 UTC)
Expired: Jul 9, 2016, 10:00 PM CDT
In force: 52 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.75 in
Wind: 70.0 mph

Counties Clay County, MN, Norman County, MN, Polk County, MN, Cass County, ND, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 67 km from the middle of the area, began a volume at 02:07 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, 9:25 PM CDT	HAIL 1.75	1 S Hendrum, MN	VERY STRONG WINDS BENDING TREES. POWER OUTAGE ACROSS AREA.
Jul 9, 9:45 PM CDT	HAIL 1	4 Ese Perley, MN	LOTS OF NICKEL TO QUARTER SIZED HAIL AND VERY STRONG WINDS.

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, 2.1 hours before the alert went out and 274 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.

589 
WUUS53 KFGF 100208
SVRFGF
MNC027-107-119-NDC017-097-100300-
/O.NEW.KFGF.SV.W.0083.160710T0208Z-160710T0300Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL POLK COUNTY IN NORTHWESTERN MINNESOTA...
  NORMAN COUNTY IN NORTHWESTERN MINNESOTA...
  NORTHERN CLAY COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHEASTERN TRAILL COUNTY IN SOUTHEASTERN NORTH DAKOTA...
  EASTERN CASS COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 1000 PM CDT

* AT 908 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR LOCKHART TO NEAR GRANDIN...MOVING SOUTHEAST AT
  35 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  LOCKHART AROUND 910 PM CDT. 
  GARDNER AROUND 915 PM CDT. 
  HADLER AND PERLEY AROUND 920 PM CDT. 
  ADA AND ARGUSVILLE AROUND 925 PM CDT. 
  GEORGETOWN AND BROOKTREE PARK AROUND 930 PM CDT. 

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 57 AND 93.
 INTERSTATE 94 IN NORTH DAKOTA BETWEEN MILE MARKERS 343 AND 352.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 1 AND 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE IMMEDIATELY TO SHELTER INSIDE A STRONG BUILDING. STAY
AWAY FROM WINDOWS.

&&

LAT...LON 4670 9691 4719 9710 4758 9665 4720 9609
TIME...MOT...LOC 0208Z 326DEG 30KT 4745 9662 4720 9697 

HAIL...1.75IN
WIND...70MPH
 
$$

KNUTSVIG

2 follow-up statements

066 
WWUS53 KFGF 100237
SVSFGF

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

MNC119-100243-
/O.CAN.KFGF.SV.W.0083.000000T0000Z-160710T0300Z/
POLK MN-
937 PM CDT SAT JUL 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL POLK COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
NORTHWESTERN MINNESOTA...AND SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4670 9691 4719 9710 4736 9674 4750 9659
      4750 9653 4720 9609 4715 9618 4715 9619
      4714 9619
TIME...MOT...LOC 0233Z 322DEG 28KT 4730 9647 4714 9665 4708 9690 

$$

MNC027-107-NDC017-097-100300-
/O.CON.KFGF.SV.W.0083.000000T0000Z-160710T0300Z/
NORMAN MN-CLAY MN-TRAILL ND-CASS ND-
937 PM CDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR NORMAN...NORTHERN CLAY...SOUTHEASTERN TRAILL AND EASTERN CASS
COUNTIES...

AT 933 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR ADA TO 7 MILES SOUTHWEST OF BORUP TO NEAR
ARGUSVILLE...MOVING SOUTHEAST AT 30 MPH.

HAZARD...TWO INCH HAIL AND 70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

THESE SEVERE STORMS WILL BE NEAR...
  FELTON...HARWOOD AND BORUP AROUND 945 PM CDT. 
  FARGO...REILE'S ACRES AND NORTH RIVER AROUND 950 PM CDT. 
  OAKPORT...SYRE AND AVERILL AROUND 955 PM CDT. 
  MOORHEAD AND DILWORTH AROUND 1000 PM CDT. 

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 57 AND 91.
 INTERSTATE 94 IN NORTH DAKOTA BETWEEN MILE MARKERS 343 AND 352.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 1 AND 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4670 9691 4719 9710 4736 9674 4750 9659
      4750 9653 4720 9609 4715 9618 4715 9619
      4714 9619
TIME...MOT...LOC 0233Z 322DEG 28KT 4730 9647 4714 9665 4708 9690 

HAIL...2.00IN
WIND...70MPH
 
$$

KNUTSVIG

764 
WWUS53 KFGF 100245
SVSFGF

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

NDC097-100254-
/O.CAN.KFGF.SV.W.0083.000000T0000Z-160710T0300Z/
TRAILL ND-
945 PM CDT SAT JUL 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TRAILL COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
NORTHWESTERN MINNESOTA...AND SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4678 9688 4711 9700 4725 9673 4744 9645
      4720 9609 4715 9618 4715 9619 4714 9619
TIME...MOT...LOC 0244Z 311DEG 23KT 4726 9636 4709 9656 4706 9684 

$$

MNC027-107-NDC017-100300-
/O.CON.KFGF.SV.W.0083.000000T0000Z-160710T0300Z/
NORMAN MN-CLAY MN-CASS ND-
945 PM CDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR SOUTHEASTERN NORMAN...NORTHWESTERN CLAY AND NORTHEASTERN CASS
COUNTIES...

AT 944 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR TWIN VALLEY TO NEAR FELTON TO NEAR GEORGETOWN...
MOVING SOUTHEAST AT 25 MPH.

HAZARD...TWO INCH HAIL AND 70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. AT 945 PM...GOLF BALL SIZE HAIL WAS
         REPORTED NEAR HENDRUM. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

THESE SEVERE STORMS WILL BE NEAR...
  BORUP AROUND 945 PM CDT. 
  FELTON AND TWIN VALLEY AROUND 950 PM CDT. 
  REILE'S ACRES AROUND 955 PM CDT. 
  NORTHEASTERN FARGO...OAKPORT AND MOORHEAD AROUND 1000 PM CDT. 

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 61 AND 84.
 INTERSTATE 94 IN NORTH DAKOTA BETWEEN MILE MARKERS 347 AND 352.
 INTERSTATE 94 IN MINNESOTA NEAR MILE MARKER 1.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
U
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4678 9688 4711 9700 4725 9673 4744 9645
      4720 9609 4715 9618 4715 9619 4714 9619
TIME...MOT...LOC 0244Z 311DEG 23KT 4726 9636 4709 9656 4706 9684 

HAIL...2.00IN
WIND...70MPH
 
$$

KNUTSVIG

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	Cass, Grand Forks, Steele, Traill, Walsh	60 min
Jul 9, 8:09 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy	66 min
Jul 9, 8:25 PM CDT	Tornado Warning	FGF	Eddy	20 min
Jul 9, 8:31 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Traill	44 min
Jul 9, 8:49 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele, Traill	41 min
Jul 9, 9:25 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Steele	50 min
Jul 9, 9:30 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Steele, Traill	45 min
Jul 9, 10:13 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Traill	62 min
Jul 9, 11:09 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	66 min
Jul 9, 11:13 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	62 min
Jul 10, 12:02 AM CDT	Severe Thunderstorm Warning	FGF	Richland	58 min
Jul 10, 12:11 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom	64 min
Jul 10, 12:46 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	59 min
Jul 10, 1:10 AM CDT	Flash Flood Warning	FGF	Richland	8 hr
Jul 10, 1:41 AM CDT	Severe Thunderstorm Warning	FGF	Richland	42 min
Jul 9, 10:00 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Mahnomen, Norman, Otter Tail	60 min
Jul 9, 10:57 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Otter Tail, Wilkin	63 min
Jul 9, 11:55 PM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wilkin	65 min
Jul 10, 12:52 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wadena, Wilkin	53 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Severe Thunderstorm Warnings in North Dakota, 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.