Alert archive / North Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 80, NWS Grand Forks, ND

July 9, 2016Benson County, Eddy County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 9, 2016, 8:09 PM CDT for Benson County, Eddy County, North Dakota. It was in force for 66 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: Jul 9, 2016, 8:09 PM CDT (01:09 UTC)
Expired: Jul 9, 2016, 9:15 PM CDT
In force: 66 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Benson County, ND, Eddy County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 139 km from the middle of the area, began a volume at 01:09 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, 8:32 PM CDT	HAIL 1.5	8 Sw New Rockford, ND	HAIL OF NICKEL SIZED OR LARGER FELL BETWEEN 830 AND 835 PM CDT.

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

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.2 hours before the alert went out and 161 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: 3085 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1729 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 226 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 20.1

Open this sounding in Storm Lab

The text

As transmitted.

891 
WUUS53 KFGF 100109
SVRFGF
NDC005-027-100215-
/O.NEW.KFGF.SV.W.0080.160710T0109Z-160710T0215Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EDDY COUNTY IN NORTHEASTERN NORTH DAKOTA...
  SOUTHEASTERN BENSON COUNTY IN NORTHEASTERN NORTH DAKOTA...

* UNTIL 915 PM CDT

* AT 809 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NEW
  ROCKFORD... OR 32 MILES SOUTHWEST OF DEVILS LAKE...MOVING EAST AT
  30 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...
  NEW ROCKFORD AROUND 820 PM CDT. 
  BRANTFORD AROUND 845 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4789 9935 4789 9853 4759 9859 4759 9927
      4767 9927 4768 9930 4785 9930 4785 9935
TIME...MOT...LOC 0109Z 280DEG 25KT 4771 9923 

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

KNUTSVIG

2 follow-up statements

874 
WWUS53 KFGF 100145
SVSFGF

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

NDC005-100154-
/O.CAN.KFGF.SV.W.0080.000000T0000Z-160710T0215Z/
BENSON ND-
845 PM CDT SAT JUL 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BENSON 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 4784 9930 4784 9924 4783 9904 4759 9890
      4759 9926 4762 9927 4767 9927 4768 9929
      4771 9930
TIME...MOT...LOC 0144Z 284DEG 57KT 4759 9910 

$$

NDC027-100215-
/O.CON.KFGF.SV.W.0080.000000T0000Z-160710T0215Z/
EDDY ND-
845 PM CDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR WESTERN EDDY COUNTY...

AT 844 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BARLOW...OR 37
MILES SOUTH OF DEVILS LAKE...MOVING EAST AT 65 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 STORM WILL BE NEAR...
  BRANTFORD AROUND 850 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4784 9930 4784 9924 4783 9904 4759 9890
      4759 9926 4762 9927 4767 9927 4768 9929
      4771 9930
TIME...MOT...LOC 0144Z 284DEG 57KT 4759 9910 

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

KNUTSVIG

732 
WWUS53 KFGF 100158
SVSFGF

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

NDC027-100215-
/O.CON.KFGF.SV.W.0080.000000T0000Z-160710T0215Z/
EDDY ND-
858 PM CDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR SOUTHWESTERN EDDY COUNTY...

AT 858 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BREMEN...OR 35
MILES SOUTHWEST OF DEVILS LAKE...MOVING SOUTHEAST AT 35 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...
  NEW ROCKFORD AROUND 915 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4784 9930 4780 9920 4773 9906 4759 9900
      4759 9926 4762 9927 4767 9927 4768 9929
      4771 9930
TIME...MOT...LOC 0158Z 302DEG 32KT 4772 9937 

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

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, 8:25 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, 9:08 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Traill	52 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

Nearby

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.