Alert archive / North Dakota / Tornado Warnings in 2014

Tornado Warning 15, NWS Grand Forks, ND

July 6, 2014Cavalier County, Pembina County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 6, 2014, 12:19 AM CDT for Cavalier County, Pembina County, North Dakota. It was in force for 41 min. 9 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 6, 2014, 12:19 AM CDT (05:19 UTC)
Expired
Jul 6, 2014, 1:00 AM CDT
In force
41 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Cavalier County, ND, Pembina County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 166 km from the middle of the area, began a volume at 05:21 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 6, 12:25 AM CDTHAIL 2.75Maida, NDA FEW VERY LARGE TENNIS BALL TO BASEBALL SIZED HAIL FELL AT THE MAIDA PORT OF ENTRY. HAIL DENTED VEHICLES PARKED AT THE STATION.
Jul 6, 12:30 AM CDTFUNNEL CLOUD2 N Mount Carmel, NDCAMPERS AT THE MOUNT CARMEL RECREATION AREA CAMPGROUND REPORTED OBSERVING A FUNNEL CLOUD WITHIN THE LIGHTNING BUT COULD NOT TELL IF IT REACHED THE GROUND. TIME AND LOCATION ESTIMATED FROM RADAR.
Jul 6, 12:30 AM CDTHAIL 2.75Maida, ND
Jul 6, 12:30 AM CDTHAIL 413 N Langdon, NDPICTURE RECEIVED OF A HAIL STONE NEXT TO A TAPE MEASURE...HAIL STONE WAS 45 MINUTES OLD WHEN THE PICTURE WAS TAKEN. SOFTBALL SIZED HOLES OBSERVED IN THE GRASS. WINDSHIELDS TOTALLY BUSTED OUT...MAJOR DAMAGE TO THE SIDING OF THE HOUSE...AND MAJOR CROP DAMAGE. TI
Jul 6, 12:30 AM CDTHAIL 413 Nne Langdon, NDPICTURE RECEIVED OF A HAIL STONE NEXT TO A TAPE MEASURE...HAIL STONE WAS 45 MINUTES OLD WHEN THE PICTURE WAS TAKEN. SOFTBALL SIZED HOLES OBSERVED IN THE GRASS. WINDSHIELDS TOTALLY BUSTED OUT...MAJOR DAMAGE TO THE SIDING OF THE HOUSE...AND MAJOR CROP DAMAGE. TI
Jul 6, 12:40 AM CDTHAIL 2.754 Nw Vang, NDLARGE HAIL FROM TENNIS TO BASEBALL SIZED FELL ACROSS PORTIONS OF NORTHERN WESTHOPE TOWNSHIP AND NORTHWEST HOPE TOWNSHIP.
Jul 6, 12:45 AM CDTHAIL 2.754 Ne Vang, ND
Jul 6, 1:00 AM CDTHAIL 1.753 W Walhalla, NDFROM VALLEY NEWS LIVE FACEBOOK.
Jul 6, 1:09 AM CDTTSTM WND GST 817 Nw Cavalier, NDVIA PERSONAL WEATHER STATION. ALSO REPORTED MANY TREE TOPS BROKEN OFF. TIME ESTIMATED.

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
Jul 5, 10:48 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.3 hours before the alert went out and 312 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 2014-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3100 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 2014-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
3100 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
2141 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

043 
WFUS53 KFGF 060519
TORFGF
NDC019-067-060600-
/O.NEW.KFGF.TO.W.0015.140706T0519Z-140706T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1219 AM CDT SUN JUL 6 2014

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA...
  NORTHWESTERN PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA...

* UNTIL 100 AM CDT

* AT 1216 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES WEST OF MAIDA...AND MOVING SOUTHEAST AT
  35 MPH.

  HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

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

* THIS DANGEROUS STORM WILL BE NEAR...
  MAIDA AROUND 1225 AM CDT.
  MOUNT CARMEL AROUND 1230 AM CDT.
  VANG AROUND 1245 AM CDT.
  OLGA AROUND 100 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4901 9775 4899 9764 4865 9788 4897 9868
      4901 9865
TIME...MOT...LOC 0519Z 298DEG 32KT 4900 9848

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

TG
2 follow-up statements
166 
WWUS53 KFGF 060533
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1233 AM CDT SUN JUL 6 2014

NDC019-067-060600-
/O.CON.KFGF.TO.W.0015.000000T0000Z-140706T0600Z/
CAVALIER ND-PEMBINA ND-
1233 AM CDT SUN JUL 6 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN PEMBINA AND
NORTHEASTERN CAVALIER COUNTIES UNTIL 100 AM CDT...

AT 1229 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MAIDA...AND MOVING SOUTHEAST AT 35 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

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

THE DANGEROUS STORM WILL BE NEAR...
  VANG AROUND 1245 AM CDT.
  OLGA AND WALHALLA AROUND 100 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4889 9844 4901 9847 4901 9775 4899 9764
      4865 9788
TIME...MOT...LOC 0533Z 297DEG 32KT 4895 9830

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

TG
357 
WWUS53 KFGF 060546
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1246 AM CDT SUN JUL 6 2014

NDC019-067-060600-
/O.CON.KFGF.TO.W.0015.000000T0000Z-140706T0600Z/
CAVALIER ND-PEMBINA ND-
1246 AM CDT SUN JUL 6 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN PEMBINA AND
NORTHEASTERN CAVALIER COUNTIES UNTIL 100 AM CDT...

AT 1242 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR VANG...AND MOVING SOUTHEAST AT 40 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

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

THE DANGEROUS STORM WILL BE NEAR...
  WALHALLA AND OLGA AROUND 1255 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4886 9826 4901 9824 4901 9775 4899 9764
      4865 9788
TIME...MOT...LOC 0546Z 293DEG 33KT 4892 9810

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

TG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 10:55 PM CDTSevere Thunderstorm WarningFGFSteele, Traill65 min
Jul 5, 11:31 PM CDTSevere Thunderstorm WarningFGFTraill44 min
Jul 5, 11:42 PM CDTSevere Thunderstorm WarningFGFCass, Steele, Traill48 min
Jul 6, 12:07 AM CDTSevere Thunderstorm WarningFGFCass53 min
Jul 6, 12:22 AM CDTSevere Thunderstorm WarningFGFCass53 min
Jul 6, 12:58 AM CDTSevere Thunderstorm WarningFGFCavalier, Pembina62 min
Jul 6, 2:29 AM CDTSevere Thunderstorm WarningFGFRansom, Richland, Sargent46 min
Jul 6, 2:50 AM CDTSevere Thunderstorm WarningFGFRichland, Sargent40 min
Jul 6, 3:37 AM CDTSevere Thunderstorm WarningFGFRichland53 min

Nearby

Tornado Warnings in North Dakota, 2014Every tornado warning in 2014Tornadoes in 2014

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.