Alert archive / North Dakota / Tornado Warnings in 2016

Tornado Warning 15, NWS Grand Forks, ND

July 19, 2016Cavalier County, Pembina County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 19, 2016, 5:24 PM CDT for Cavalier County, Pembina County, North Dakota. It was in force for 51 min. 10 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 19, 2016, 5:24 PM CDT (22:24 UTC)
Expired
Jul 19, 2016, 6:15 PM CDT
In force
51 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.75 in

Counties Cavalier County, ND, Pembina County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 130 km from the middle of the area, began a volume at 22:25 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 19, 5:29 PM CDTFUNNEL CLOUD6 Nnw Mountain, NDFUNNEL CLOUD VIEWED APPROACHING THE TONGUE RIVER.
Jul 19, 5:30 PM CDTTORNADO 15 N Mountain, NDA TORNADO TRACKED TO THE EAST SOUTHEAST FOR ROUGHLY 5 MILES TO AROUND 2 ENE MOUNTAIN BY AROUND 540 PM CDT. THE SNAPPED OR UPROOTED NUMEROUS HARDWOOD TREES IN SHELTER BELTS AND ALONG THE TONGUE RIVER. MAXIMUUM WIDTH ESTIMATED TO ONE HALF MILE. PEAK WINDS ESTIMA
Jul 19, 5:35 PM CDTTSTM WND DMG4 N Mountain, NDSEVERAL LARGE TREES BROKEN DOWN NEAR THE TONGUE RIVER.
Jul 19, 5:38 PM CDTTSTM WND DMGMountain, NDNUMEROUS TREES BROKEN DOWN AROUND TOWN. SEVERAL BUILDINGS WITH ROOF DAMAGE DUE TO LARGE HAIL AND FALLING TREE LIMBS. WIND AND HAIL DAMAGE TO FARM FIELDS IS WIDESPREAD ACROSS BEAULIEU AND THINGVALLA TOWNSHIPS.
Jul 19, 5:40 PM CDTTSTM WND GST 673 Ne Mountain, NDMEASURED ON A PERSONAL DAVIS SYSTEM
Jul 19, 5:55 PM CDTTSTM WND DMG3 S Hensel, NDWIDESPREAD CROP DAMAGE PRODUCED BY WIND DRIVERN HAIL ACROSS SOUTHERN PARK AND LODEMA TOWNSHIPS.
Jul 19, 6:05 PM CDTHAIL 3Crystal, NDSENT VIA TWITTER.
Jul 19, 6:17 PM CDTTORNADO 1Hoople, NDA TORNADO TOUCHED DOWN IN THE SOUTH END OF HOOPLE AND TRACKED TO THE SOUTHEAST FOR ABOUT 1.5 MILES THROUGH 621 PM CDT. THE TORNADO BROKE DOWN AND SCATTERED NUMEROUS LARGE TREE BRANCJHES AND LIMBS. IT ALSO DAMAGED A POTATO WAREHOUSE. MAXIMUM WIDTH ESTIMATED TO
Jul 19, 6:21 PM CDTTSTM WND GST 544 Ese Crystal, NDMEASURED ON A PERSONAL DAVIS SYSTEM
Jul 19, 6:23 PM CDTHAIL 3Crystal, NDSENT VIA TWITTER

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, 10.4 hours before the alert went out and 310 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 2016-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2055 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 12:00Z on 2016-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
2055 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
978 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.3

Open this sounding in Storm Lab

The text

As transmitted.

767 
WFUS53 KFGF 192224
TORFGF
NDC019-067-192315-
/O.NEW.KFGF.TO.W.0015.160719T2224Z-160719T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
524 PM CDT TUE JUL 19 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN PEMBINA COUNTY IN NORTHEASTERN NORTH DAKOTA...
  EAST CENTRAL CAVALIER COUNTY IN NORTHEASTERN NORTH DAKOTA...

* UNTIL 615 PM CDT
    
* AT 524 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR CONCRETE...OR 21 MILES EAST OF
  LANGDON...MOVING SOUTHEAST AT 35 MPH.

  HAZARD...TORNADO AND BASEBALL SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  CONCRETE AROUND 525 PM CDT. 
  AKRA AROUND 530 PM CDT. 
  MOUNTAIN AROUND 535 PM CDT. 
  HENSEL AROUND 540 PM CDT. 
  GARDAR AROUND 545 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 4854 9733 4854 9792 4886 9798 4890 9777
TIME...MOT...LOC 2224Z 331DEG 31KT 4878 9789 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

HOPKINS
2 follow-up statements
847 
WWUS53 KFGF 192244
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
544 PM CDT TUE JUL 19 2016

NDC019-192253-
/O.CAN.KFGF.TO.W.0015.000000T0000Z-160719T2315Z/
CAVALIER ND-
544 PM CDT TUE JUL 19 2016

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

LAT...LON 4854 9733 4854 9792 4878 9794 4882 9768
TIME...MOT...LOC 2243Z 322DEG 19KT 4869 9774 

$$

NDC067-192315-
/O.CON.KFGF.TO.W.0015.000000T0000Z-160719T2315Z/
PEMBINA ND-
544 PM CDT TUE JUL 19 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
SOUTHWESTERN PEMBINA COUNTY...
    
AT 543 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HENSEL...OR 24 MILES NORTHWEST OF GRAFTON...MOVING
SOUTHEAST AT 20 MPH.

HAZARD...TORNADO AND BASEBALL SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  HENSEL AROUND 550 PM CDT. 
  CRYSTAL AROUND 605 PM CDT. 
  ST. THOMAS AROUND 615 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 4854 9733 4854 9792 4878 9794 4882 9768
TIME...MOT...LOC 2243Z 322DEG 19KT 4869 9774 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

HOPKINS
485 
WWUS53 KFGF 192308
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
608 PM CDT TUE JUL 19 2016

NDC067-192317-
/O.EXP.KFGF.TO.W.0015.000000T0000Z-160719T2315Z/
PEMBINA ND-
608 PM CDT TUE JUL 19 2016

...THE TORNADO WARNING FOR SOUTHWESTERN PEMBINA COUNTY WILL EXPIRE AT
615 PM CDT...
    
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING HAS BEEN
CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY AND
A SEVERE THUNDERSTORM WARNING WILL BE REISSUED FOR THE AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHEASTERN NORTH DAKOTA.

LAT...LON 4854 9733 4854 9792 4878 9794 4882 9768
TIME...MOT...LOC 2306Z 331DEG 31KT 4869 9774 

$$

HOPKINS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 12:41 PM CDTSevere Thunderstorm WarningFGFBenson64 min
Jul 19, 1:16 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey59 min
Jul 19, 3:53 PM CDTSevere Thunderstorm WarningFGFCavalier, Pembina67 min
Jul 19, 4:57 PM CDTSevere Thunderstorm WarningFGFCavalier, Pembina63 min
Jul 19, 6:12 PM CDTSevere Thunderstorm WarningFGFPembina, Walsh63 min
Jul 19, 6:45 PM CDTTornado WarningFGFWalsh45 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.