Alert archive / North Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 64, NWS Grand Forks, ND

July 4, 2016Cass County, North Dakota; Clay County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 4, 2016, 8:13 PM CDT for Cass County, North Dakota; Clay County, Minnesota. It was in force for 47 min. 4 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 4, 2016, 8:13 PM CDT (01:13 UTC)
Expired
Jul 4, 2016, 9:00 PM CDT
In force
47 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clay County, MN, Cass County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 77 km from the middle of the area, began a volume at 01:13 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

TimeReportWhereRemark
Jul 4, 8:20 PM CDTTSTM WND DMGMapleton, NDLARGE BRANCHES AND LIMBS BROKEN DOWN. REPORT POSTED VIA SOCIAL MEDIA. TIME ESTIMATED BASED ON RADAR.
Jul 4, 8:28 PM CDTTSTM WND GST 552 Nnw Fargo, NDPEAK WIND MEASURED AT THE FARGO /KFAR/ AIRPORT.
Jul 4, 8:30 PM CDTTSTM WND DMGWest Fargo, NDTWO TO THREE FOOT DIAMETER TREE BLOWN DOWN.
Jul 4, 8:40 PM CDTTSTM WND DMGN Fargo, NDTEN TO TWELVE INCH DIAMETER BRANCHES DOWN IN THE NORTHPORT AREA OF NORTH FARGO. THE POWER WAS ALSO OUT.

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.

IssuedProductOfficeLasted
Jul 4, 3:00 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 243 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2016-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 783 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2016-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
783 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
2677 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

485 
WUUS53 KFGF 050113
SVRFGF
MNC027-NDC017-050200-
/O.NEW.KFGF.SV.W.0064.160705T0113Z-160705T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
813 PM CDT MON JUL 4 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CLAY COUNTY IN NORTHWESTERN MINNESOTA...
  EAST CENTRAL CASS COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 900 PM CDT

* AT 813 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  CASSELTON...OR 17 MILES WEST OF FARGO...MOVING EAST 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 THUNDERSTORM WILL BE NEAR...
  DURBIN AROUND 815 PM CDT. 
  MAPLETON AND PROSPER AROUND 825 PM CDT. 
  WEST FARGO AROUND 830 PM CDT. 
  HARWOOD AND BROOKTREE PARK AROUND 835 PM CDT. 
  FARGO...REILE'S ACRES AND FRONTIER AROUND 840 PM CDT. 

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 58 AND 74.
 INTERSTATE 94 IN NORTH DAKOTA BETWEEN MILE MARKERS 328 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.

&&

LAT...LON 4680 9729 4699 9728 4701 9664 4674 9666
TIME...MOT...LOC 0113Z 271DEG 32KT 4691 9719 

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

JM/JH
3 follow-up statements
786 
WWUS53 KFGF 050129
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
829 PM CDT MON JUL 4 2016

MNC027-NDC017-050200-
/O.CON.KFGF.SV.W.0064.000000T0000Z-160705T0200Z/
CLAY MN-CASS ND-
829 PM CDT MON JUL 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WEST CENTRAL CLAY AND EAST CENTRAL CASS COUNTIES...

AT 829 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PROSPER...OR 8
MILES NORTHWEST OF FARGO...MOVING EAST AT 45 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...
  WEST FARGO AROUND 830 PM CDT. 
  FARGO...REILE'S ACRES AND HARWOOD AROUND 835 PM CDT. 
  OAKPORT...MOORHEAD AND NORTH RIVER AROUND 840 PM CDT. 
  DILWORTH AND KRAGNES AROUND 845 PM CDT. 

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 63 AND 74.
 INTERSTATE 94 IN NORTH DAKOTA BETWEEN MILE MARKERS 338 AND 346...AND
BETWEEN MILE MARKERS 348 AND 352.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 1 AND 6.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4687 9708 4700 9712 4701 9664 4682 9665
TIME...MOT...LOC 0129Z 262DEG 37KT 4695 9695 

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

JM/JH
761 
WWUS53 KFGF 050144
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
844 PM CDT MON JUL 4 2016

NDC017-050153-
/O.CAN.KFGF.SV.W.0064.000000T0000Z-160705T0200Z/
CASS ND-
844 PM CDT MON JUL 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CASS COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN MINNESOTA...AND SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4690 9677 4692 9675 4693 9676 4693 9679
      4695 9679 4695 9680 4696 9679 4697 9682
      4700 9683 4701 9679 4701 9664 4689 9665
TIME...MOT...LOC 0143Z 255DEG 27KT 4698 9672 

$$

MNC027-050200-
/O.CON.KFGF.SV.W.0064.000000T0000Z-160705T0200Z/
CLAY MN-
844 PM CDT MON JUL 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WEST CENTRAL CLAY COUNTY...

AT 843 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER KRAGNES...OR 8
MILES NORTHEAST OF FARGO...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF WEST
CENTRAL CLAY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4690 9677 4692 9675 4693 9676 4693 9679
      4695 9679 4695 9680 4696 9679 4697 9682
      4700 9683 4701 9679 4701 9664 4689 9665
TIME...MOT...LOC 0143Z 255DEG 27KT 4698 9672 

HAIL...0.75IN
WIND...60MPH
 
$$

JM/JH
871 
WWUS53 KFGF 050151
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
851 PM CDT MON JUL 4 2016

MNC027-050201-
/O.EXP.KFGF.SV.W.0064.000000T0000Z-160705T0200Z/
CLAY MN-
851 PM CDT MON JUL 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL CLAY COUNTY WILL
EXPIRE AT 900 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN MINNESOTA...AND SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4690 9677 4692 9675 4693 9676 4693 9679
      4695 9679 4695 9680 4696 9679 4697 9682
      4700 9683 4701 9679 4701 9664 4689 9665
TIME...MOT...LOC 0150Z 271DEG 32KT 4698 9672 

$$

JM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 7:17 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Traill22 min
Jul 4, 7:28 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom, Richland, Steele47 min
Jul 4, 7:44 PM CDTSpecial Weather StatementFGFRoseau46 min
Jul 4, 8:18 PM CDTSpecial Weather StatementFGFLake of the Woods57 min
Jul 4, 9:47 PM CDTSpecial Weather StatementFGFBecker43 min
Jul 4, 10:41 PM CDTSpecial Weather StatementFGFOtter Tail64 min
Jul 5, 1:40 PM CDTSevere Thunderstorm WarningFGFGrant43 min
Jul 5, 4:34 PM CDTSpecial Weather StatementFGFBeltrami41 min

Nearby

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