Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 39, NWS Grand Forks, ND

July 5, 2015Kittson County, Marshall County, Roseau County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 5, 2015, 8:46 AM CDT for Kittson County, Marshall County, Roseau County, Minnesota. It was in force for 59 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 5, 2015, 8:46 AM CDT (13:46 UTC)
Expired: Jul 5, 2015, 9:45 AM CDT
In force: 59 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kittson County, MN, Marshall County, MN, Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 134 km from the middle of the area, began a volume at 13:47 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 5, 9:15 AM CDT	TSTM WND DMG	1 Ese Newfolden, MN	PICTURE OF LARGE TREE BRANCH DOWN POSTED TO SOCIAL MEDIA. TIME ESTIMATED BY RADAR.
Jul 5, 9:15 AM CDT	TSTM WND DMG	1 Wsw Newfolden, MN	PICTURE OF LARGE TREE BRANCH DOWN POSTED TO SOCIAL MEDIA. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 1.8 hours before the alert went out and 218 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: 33 J/kg
Mixed-layer CIN: -226 J/kg
Mixed-layer LCL: 1278 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

491 
WUUS53 KFGF 051346
SVRFGF
MNC069-089-135-051445-
/O.NEW.KFGF.SV.W.0039.150705T1346Z-150705T1445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
846 AM CDT SUN JUL 5 2015

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN KITTSON COUNTY IN NORTHWESTERN MINNESOTA...
  CENTRAL MARSHALL COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHWESTERN ROSEAU COUNTY IN NORTHWESTERN MINNESOTA...

* UNTIL 945 AM CDT

* AT 845 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR STEPHEN...OR
  27 MILES EAST OF GRAFTON...MOVING NORTHEAST AT 35 MPH.

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

  SOURCE...TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZED HAIL SOUTH
           OF STRATHCONA MINNESOTA.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  ENGLUND AND FLORIAN AROUND 855 AM CDT.
  KARLSTAD AND STRANDQUIST AROUND 905 AM CDT.
  STRATHCONA AROUND 915 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4876 9589 4833 9562 4822 9687 4844 9700
TIME...MOT...LOC 1345Z 239DEG 50KT 4841 9681 

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

SPEICHER

1 follow-up statement

143 
WWUS53 KFGF 051417
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
917 AM CDT SUN JUL 5 2015

MNC069-089-135-051445-
/O.CON.KFGF.SV.W.0039.000000T0000Z-150705T1445Z/
KITTSON MN-MARSHALL MN-ROSEAU MN-
917 AM CDT SUN JUL 5 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM CDT
FOR SOUTHEASTERN KITTSON...CENTRAL MARSHALL AND SOUTHWESTERN ROSEAU
COUNTIES...

AT 916 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GREENBUSH...OR
26 MILES SOUTHWEST OF ROSEAU...MOVING NORTHEAST AT 60 MPH.

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

SOURCE...TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZED HAIL SOUTH 
         STRATHCONA.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN KITTSON...CENTRAL MARSHALL AND SOUTHWESTERN ROSEAU
COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4868 9586 4832 9577 4824 9666 4849 9682
      4852 9674
TIME...MOT...LOC 1416Z 239DEG 50KT 4863 9625 

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

SPEICHER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 9:06 PM CDT	Special Weather Statement	FGF	Lake of the Woods, Roseau	54 min
Jul 5, 2:14 AM CDT	Special Weather Statement	FGF	Beltrami	61 min
Jul 5, 4:40 AM CDT	Special Weather Statement	FGF	Polk	35 min
Jul 5, 4:52 AM CDT	Special Weather Statement	FGF	Norman	23 min
Jul 5, 6:22 AM CDT	Special Weather Statement	FGF	Wilkin	23 min
Jul 5, 6:26 AM CDT	Special Weather Statement	FGF	Norman	49 min
Jul 5, 7:48 AM CDT	Special Weather Statement	FGF	Marshall	27 min
Jul 5, 9:44 AM CDT	Severe Thunderstorm Warning	FGF	Marshall, Roseau	61 min
Jul 5, 11:08 AM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	52 min
Jul 5, 11:33 AM CDT	Severe Thunderstorm Warning	FGF	Polk	38 min
Jul 5, 11:49 AM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Pennington, Polk, Red Lake, Roseau	41 min
Jul 5, 4:54 PM CDT	Special Weather Statement	FGF	Beltrami	66 min
Jul 5, 5:58 PM CDT	Special Weather Statement	FGF	Beltrami	62 min
Jul 5, 6:18 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami	42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Every severe thunderstorm warning in 2015

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.