Alert archive / North Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 72, NWS Grand Forks, ND

July 9, 20164 counties in North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 9, 2016, 4:11 PM CDT for 4 counties in North Dakota. It was in force for 64 min. 3 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, 4:11 PM CDT (21:11 UTC)
Expired
Jul 9, 2016, 5:15 PM CDT
In force
64 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Hail
1.75 in
Wind
50.0 mph

Counties Benson County, ND, Cavalier County, ND, Ramsey County, ND, Towner County, ND

The radar

The Minot AFB radar (KMBX), 136 km from the middle of the area, began a volume at 21:12 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 9, 4:28 PM CDTHAIL 2.54 S Maza, NDLOTS OF 2 INCH DIAMETER COVERING THE GROUND. LARGEST HAILSTONES MEASURED AT 2.25 INCH DIAMETER. REPORT BY TRAINER SPOTTER/STORM CHASER.
Jul 9, 4:55 PM CDTHAIL 1.254 E Webster, NDLOTS OF QUARTER OF HALF DOLLAR SIZED HAIL. HAILED ENDED BY 5 PM CDT.
Jul 9, 5:25 PM CDTHAIL 16 Sse Calio, NDHAIL FELL ALONG THE RAMSEY AND CAVALIER COUNTY LINE.

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 12:00Z, 9.2 hours before the alert went out and 222 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, Bismarck Municip, ND at 12:00Z on 2016-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2016-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

333 
WUUS53 KFGF 092111
SVRFGF
NDC005-019-071-095-092215-
/O.NEW.KFGF.SV.W.0072.160709T2111Z-160709T2215Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN RAMSEY COUNTY IN NORTHEASTERN NORTH DAKOTA...
  NORTH CENTRAL BENSON COUNTY IN NORTHEASTERN NORTH DAKOTA...
  SOUTHEASTERN TOWNER COUNTY IN NORTHEASTERN NORTH DAKOTA...
  SOUTHWESTERN CAVALIER COUNTY IN NORTHEASTERN NORTH DAKOTA...

* UNTIL 515 PM CDT

* AT 411 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MAZA...OR 20
  MILES NORTHWEST OF DEVILS LAKE...MOVING NORTHEAST AT 30 MPH.

  HAZARD...GOLF BALL SIZE HAIL. 

  SOURCE...LAW ENFORCEMENT. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  GARSKE AROUND 435 PM CDT. 
  STARKWEATHER AROUND 440 PM CDT. 
  HAMPDEN AROUND 500 PM CDT. 
  DERRICK AROUND 505 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4834 9938 4883 9881 4834 9829 4821 9925
TIME...MOT...LOC 2111Z 243DEG 28KT 4835 9916 

HAIL...1.75IN
WIND...<50MPH
 
$$

KNUTSVIG
2 follow-up statements
913 
WWUS53 KFGF 092127
SVSFGF

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

NDC005-092136-
/O.CAN.KFGF.SV.W.0072.000000T0000Z-160709T2215Z/
BENSON ND-
427 PM CDT SAT JUL 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL 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 4836 9915 4877 9875 4834 9829 4823 9913
TIME...MOT...LOC 2126Z 256DEG 27KT 4831 9898 

$$

NDC019-071-095-092215-
/O.CON.KFGF.SV.W.0072.000000T0000Z-160709T2215Z/
RAMSEY ND-TOWNER ND-CAVALIER ND-
427 PM CDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHERN RAMSEY...SOUTHEASTERN TOWNER AND SOUTHWESTERN CAVALIER
COUNTIES...

AT 426 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WEBSTER...OR
14 MILES NORTH OF DEVILS LAKE...MOVING EAST AT 30 MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  GARSKE AND WEBSTER AROUND 435 PM CDT. 
  DERRICK AROUND 510 PM CDT. 
  EDMORE AROUND 515 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4836 9915 4877 9875 4834 9829 4823 9913
TIME...MOT...LOC 2126Z 256DEG 27KT 4831 9898 

HAIL...1.25IN
WIND...<50MPH
 
$$

KNUTSVIG
185 
WWUS53 KFGF 092135
SVSFGF

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

NDC019-095-092145-
/O.CAN.KFGF.SV.W.0072.000000T0000Z-160709T2215Z/
TOWNER ND-CAVALIER ND-
435 PM CDT SAT JUL 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TOWNER AND
SOUTHWESTERN CAVALIER COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4837 9896 4852 9848 4834 9829 4824 9906
TIME...MOT...LOC 2135Z 258DEG 33KT 4832 9884 

$$

NDC071-092215-
/O.CON.KFGF.SV.W.0072.000000T0000Z-160709T2215Z/
RAMSEY ND-
435 PM CDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHERN RAMSEY COUNTY...

AT 435 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WEBSTER...OR
14 MILES NORTH OF DEVILS LAKE...MOVING EAST AT 40 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  EDMORE AROUND 505 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4837 9896 4852 9848 4834 9829 4824 9906
TIME...MOT...LOC 2135Z 258DEG 33KT 4832 9884 

HAIL...1.00IN
WIND...<50MPH
 
$$

KNUTSVIG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 3:00 PM CDTHeat AdvisoryFGFRansom, Richland, Sargent24 hr
Jul 9, 3:08 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey53 min
Jul 9, 3:11 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey, Towner64 min
Jul 9, 4:42 PM CDTSevere Thunderstorm WarningFGFNelson, Ramsey, Walsh48 min
Jul 9, 5:21 PM CDTSevere Thunderstorm WarningFGFCavalier, Ramsey, Towner, Walsh39 min
Jul 9, 5:43 PM CDTSevere Thunderstorm WarningFGFNelson, Ramsey, Walsh62 min
Jul 9, 6:03 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Nelson, Walsh42 min
Jul 9, 6:24 PM CDTSevere Thunderstorm WarningFGFCavalier, Ramsey, Walsh51 min
Jul 9, 6:46 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Nelson, Steele, Walsh44 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 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.