Alert archive / North Dakota / Tornado Warnings in 2016

Tornado Warning 27, NWS Grand Forks, ND

August 3, 2016Eddy County, Nelson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Aug 3, 2016, 9:13 PM CDT for Eddy County, Nelson County, North Dakota. It was in force for 47 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
Aug 3, 2016, 9:13 PM CDT (02:13 UTC)
Expired
Aug 3, 2016, 10:00 PM CDT
In force
47 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Eddy County, ND, Nelson County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 102 km from the middle of the area, began a volume at 02:14 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
Aug 3, 9:15 PM CDTHAIL 17 Sw Hamar, ND
Aug 3, 9:16 PM CDTTORNADO10 Wsw Hamar, NDTORNADO TRACKING INTO FAR SOUTHWEST EDDY TOWNSHIP... ABOUT 6 SSW OF WARWICK.

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
Aug 3, 3:38 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.2 hours before the alert went out and 194 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 00:00Z on 2016-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1397 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2016-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
1397 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
2565 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

138 
WFUS53 KFGF 040213
TORFGF
NDC027-063-040300-
/O.NEW.KFGF.TO.W.0027.160804T0213Z-160804T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
913 PM CDT WED AUG 3 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN EDDY COUNTY IN NORTHEASTERN NORTH DAKOTA...
  SOUTHWESTERN NELSON COUNTY IN NORTHEASTERN NORTH DAKOTA...

* UNTIL 1000 PM CDT
    
* AT 913 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR WARWICK...OR 24 MILES SOUTH OF DEVILS
  LAKE...MOVING EAST AT 20 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

* THIS DANGEROUS STORM WILL BE NEAR...
  HAMAR AROUND 940 PM CDT. 
  TOLNA AROUND 955 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
GRAND FORKS.

&&

LAT...LON 4784 9882 4785 9869 4785 9853 4786 9852
      4787 9836 4767 9834 4767 9868 4771 9884
TIME...MOT...LOC 0213Z 265DEG 18KT 4776 9877 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

KNUTSVIG
3 follow-up statements
959 
WWUS53 KFGF 040221
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
921 PM CDT WED AUG 3 2016

NDC027-063-040300-
/O.CON.KFGF.TO.W.0027.000000T0000Z-160804T0300Z/
EDDY ND-NELSON ND-
921 PM CDT WED AUG 3 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHEASTERN EDDY AND SOUTHWESTERN NELSON COUNTIES...
    
AT 919 PM CDT...A CONFIRMED TORNADO WAS LOCATED 6 MILES SOUTH-
SOUTHWEST OF WARWICK...OR 30 MILES SOUTH OF DEVILS LAKE...MOVING
EAST AT 20 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 916 PM...A TORNADO
         WAS REPORTED 6 MILES SOUTH-SOUTHWEST OF WARWICK. 

IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

THIS TORNADO WILL BE NEAR...
  HAMAR AROUND 940 PM CDT. 
  TOLNA AROUND 1000 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4785 9853 4786 9852 4787 9836 4767 9834
      4769 9869 4773 9879 4785 9875
TIME...MOT...LOC 0219Z 265DEG 18KT 4776 9872 

TORNADO...OBSERVED
HAIL...1.00IN

$$

KNUTSVIG
687 
WWUS53 KFGF 040235
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
935 PM CDT WED AUG 3 2016

NDC027-063-040300-
/O.CON.KFGF.TO.W.0027.000000T0000Z-160804T0300Z/
EDDY ND-NELSON ND-
935 PM CDT WED AUG 3 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR EAST
CENTRAL EDDY AND SOUTHWESTERN NELSON COUNTIES...
    
AT 935 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HAMAR...OR 28 MILES SOUTHEAST OF DEVILS
LAKE...MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

THIS DANGEROUS STORM WILL BE NEAR...
  TOLNA AROUND 950 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4785 9836 4767 9834 4774 9866 4782 9863
TIME...MOT...LOC 0235Z 265DEG 23KT 4777 9855 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

KNUTSVIG
991 
WWUS53 KFGF 040250
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
950 PM CDT WED AUG 3 2016

NDC027-063-040300-
/O.EXP.KFGF.TO.W.0027.000000T0000Z-160804T0300Z/
EDDY ND-NELSON ND-
950 PM CDT WED AUG 3 2016

...THE TORNADO WARNING FOR EAST CENTRAL EDDY AND SOUTHWESTERN NELSON
COUNTIES WILL EXPIRE AT 1000 PM CDT...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHEASTERN
AND SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4785 9836 4767 9834 4774 9866 4782 9863
TIME...MOT...LOC 0249Z 265DEG 18KT 4777 9855 

$$

KNUTSVIG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 7:04 PM CDTFlash Flood WarningFGFTowner3 hr
Aug 3, 7:15 PM CDTSevere Thunderstorm WarningFGFCavalier, Pembina, Ramsey, Walsh60 min
Aug 3, 7:29 PM CDTSevere Thunderstorm WarningFGFBenson, Cavalier, Ramsey, Towner, Walsh46 min
Aug 3, 7:38 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey52 min
Aug 3, 7:55 PM CDTSevere Thunderstorm WarningFGFPembina, Walsh65 min
Aug 3, 8:14 PM CDTSevere Thunderstorm WarningFGFRamsey61 min
Aug 3, 8:19 PM CDTTornado WarningFGFRamsey41 min
Aug 3, 8:24 PM CDTTornado WarningFGFBenson, Eddy51 min
Aug 3, 9:54 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Griggs, Nelson, Steele20 min
Aug 3, 10:12 PM CDTSevere Thunderstorm WarningFGFGriggs, Steele48 min
Aug 3, 10:22 PM CDTSpecial Weather StatementFGFGrand Forks53 min
Aug 3, 10:29 PM CDTSevere Thunderstorm WarningFGFGrand Forks61 min
Aug 3, 11:01 PM CDTFlash Flood WarningFGFGrand Forks2 hr
Aug 3, 11:16 PM CDTSpecial Weather StatementFGFRansom44 min
Aug 3, 11:52 PM CDTSevere Thunderstorm WarningFGFRansom, Richland, Sargent38 min
Aug 4, 12:20 AM CDTSevere Thunderstorm WarningFGFCass40 min

Nearby

Tornado Warnings in North Dakota, 2016Every tornado warning in 2016Tornadoes 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.