Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 14, NWS Grand Forks, ND

June 3, 2011Pembina County, Walsh County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 3, 2011, 3:39 AM CDT for Pembina County, Walsh County, North Dakota. It was in force for 51 min. 4 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
Jun 3, 2011, 3:39 AM CDT (08:39 UTC)
Expired
Jun 3, 2011, 4:30 AM CDT
In force
51 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

Counties Pembina County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 119 km from the middle of the area, began a volume at 08:41 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
Jun 3, 3:40 AM CDTTSTM WND DMG3 W Park River, NDSEVERAL MATURE EVERGREEN TREES WERE UPROOTED.
Jun 3, 3:45 AM CDTTSTM WND DMG4 N Park River, NDTHE ROOF TO A BARN BUILT IN 1985 IS GONE. THERE ARE ALSO 2 TO 3 INCH IN DIAMETER TREE BRANCHES ON THE GROUND.
Jun 3, 3:50 AM CDTHAIL 0.88Edinburg, ND
Jun 3, 4:15 AM CDTTSTM WND GST 58Cavalier, NDLARGE TREE BRANCHES WERE BLOWN DOWN AROUND TOWN. A 58 MPH WIND GUST WAS MEASURED AT THE CAVALIER AWOS.

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
Jun 3, 1:25 AM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 8.7 hours before the alert went out and 300 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 2011-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2239 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2011-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
2239 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1718 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

750 
WFUS53 KFGF 030839
TORFGF
NDC067-099-030930-
/O.NEW.KFGF.TO.W.0014.110603T0839Z-110603T0930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
339 AM CDT FRI JUN 3 2011

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA...
  WESTERN WALSH COUNTY IN NORTHEAST NORTH DAKOTA...

* UNTIL 430 AM CDT

* AT 336 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WAS
  LOCATED 3 MILES SOUTHWEST OF LANKIN...OR 27 MILES WEST OF
  GRAFTON...MOVING TO THE NORTHEAST AT 65 MPH.

* THE TORNADIC STORM WILL BE NEAR...
  PARK RIVER AROUND 345 AM CDT.
  EDINBURG AROUND 350 AM CDT.
  HOOPLE AND GARDAR AROUND 355 AM CDT.
  CRYSTAL AROUND 400 AM CDT.

THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORM
INCLUDE ST. THOMAS...CAVALIER...HAMILTON AND BATHGATE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT.
GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE.

&&

LAT...LON 4899 9747 4869 9721 4819 9792 4819 9797
      4833 9818
TIME...MOT...LOC 0839Z 223DEG 56KT 4832 9792

$$

HOPPES
2 follow-up statements
691 
WWUS53 KFGF 030906
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
406 AM CDT FRI JUN 3 2011

NDC099-030916-
/O.CAN.KFGF.TO.W.0014.000000T0000Z-110603T0930Z/
WALSH ND-
406 AM CDT FRI JUN 3 2011

...THE TORNADO WARNING FOR WESTERN WALSH COUNTY IN NORTHEAST NORTH
DAKOTA IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF WESTERN WALSH 
COUNTY.

LAT...LON 4860 9790 4899 9747 4869 9721 4855 9741
TIME...MOT...LOC 0906Z 214DEG 54KT 4873 9761

$$

NDC067-030930-
/O.CON.KFGF.TO.W.0014.000000T0000Z-110603T0930Z/
PEMBINA ND-
406 AM CDT FRI JUN 3 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL PEMBINA COUNTY IN
NORTHEAST NORTH DAKOTA UNTIL 430 AM CDT...

AT 404 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HENSEL...OR
22 MILES NORTHWEST OF GRAFTON...MOVING TO THE NORTHEAST AT 60 MPH.

THE TORNADIC STORM WILL BE NEAR...
  HAMILTON AROUND 415 AM CDT.
  BATHGATE AROUND 420 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A BASEMENT IS NOT AVAILABLE THEN SEEK SHELTER IN AN INNERMOST
ROOM...SUCH AS A CLOSET...ON THE LOWEST FLOOR. AVOID WINDOWS AND
PROTECT YOURSELF WITH BLANKETS...PILLOWS...OR CUSHIONS.

&&

LAT...LON 4860 9790 4899 9747 4869 9721 4855 9741
TIME...MOT...LOC 0906Z 214DEG 54KT 4873 9761

$$

HOPPES
095 
WWUS53 KFGF 030929
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
429 AM CDT FRI JUN 3 2011

NDC067-030939-
/O.EXP.KFGF.TO.W.0014.000000T0000Z-110603T0930Z/
PEMBINA ND-
429 AM CDT FRI JUN 3 2011

...THE TORNADO WARNING FOR CENTRAL PEMBINA COUNTY IN NORTHEAST NORTH
DAKOTA WILL EXPIRE AT 430 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 AM CDT.

LAT...LON 4860 9790 4899 9747 4869 9721 4855 9741
TIME...MOT...LOC 0929Z 214DEG 54KT 4901 9731

$$

HOPPES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 2:11 AM CDTSevere Thunderstorm WarningFGFBarnes, Griggs, Steele64 min
Jun 3, 2:32 AM CDTSevere Thunderstorm WarningFGFBenson, Eddy, Grand Forks, Griggs, Nelson, Ramsey and 1 more58 min
Jun 3, 2:34 AM CDTSevere Thunderstorm WarningFGFBarnes, Steele, Traill28 min
Jun 3, 3:12 AM CDTTornado WarningFGFNelson48 min
Jun 3, 3:30 AM CDTSevere Thunderstorm WarningFGFCavalier, Grand Forks, Nelson, Pembina, Walsh60 min
Jun 3, 4:23 AM CDTSevere Thunderstorm WarningFGFPembina24 min
Jun 3, 4:32 AM CDTAreal Flood AdvisoryFGFNelson, Pembina, Walsh6 hr
Jun 3, 6:54 AM CDTWind AdvisoryFGFBenson, Cavalier, Ramsey, Towner, Walsh14 hr

Nearby

Tornado Warnings in North Dakota, 2011Every tornado warning in 2011Tornadoes in 2011

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.