Alert archive / North Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 3, NWS Grand Forks, ND

May 25, 2016Sargent County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 25, 2016, 9:31 PM CDT for Sargent County, North Dakota. It was in force for 32 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: May 25, 2016, 9:31 PM CDT (02:31 UTC)
Expired: May 25, 2016, 10:03 PM CDT
In force: 32 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Sargent County, ND

The radar

The Aberdeen radar (KABR), 89 km from the middle of the area, began a volume at 02:31 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
May 25, 9:45 PM CDT	HAIL 1	7 W Cogswell, ND	A FEW 3-5 INCH TREE BRANCHES WERE BROKEN DOWN AS WELL.

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.5 hours before the alert went out and 144 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: 643 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1685 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: -32 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

015 
WUUS53 KFGF 260231
SVRFGF
NDC081-260330-
/O.NEW.KFGF.SV.W.0003.160526T0231Z-160526T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
931 PM CDT WED MAY 25 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SARGENT COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 1030 PM CDT

* AT 931 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OAKES...OR 24
  MILES NORTHWEST OF BRITTON...MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR 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...
  STRAUBVILLE AND CRETE AROUND 945 PM CDT. 
  COGSWELL AND STIRUM AROUND 1005 PM CDT. 
  FORMAN AND GWINNER AROUND 1025 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4621 9801 4627 9749 4597 9739 4595 9801
TIME...MOT...LOC 0231Z 257DEG 18KT 4609 9803 

HAIL...1.25IN
WIND...60MPH
 
$$

DTR

1 follow-up statement

996 
WWUS53 KFGF 260303
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1003 PM CDT WED MAY 25 2016

NDC081-260313-
/O.CAN.KFGF.SV.W.0003.000000T0000Z-160526T0330Z/
SARGENT ND-
1003 PM CDT WED MAY 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SARGENT COUNTY IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4621 9801 4627 9749 4597 9739 4595 9801
TIME...MOT...LOC 0301Z 257DEG 18KT 4613 9780 

$$

DTR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 9:12 PM CDT	Special Weather Statement	FGF	Barnes, Ransom, Sargent	63 min
May 25, 9:56 PM CDT	Severe Thunderstorm Warning	FGF	Richland	64 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.