Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 33, NWS Grand Forks, ND

June 27, 2015Richland County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2015, 8:26 PM CDT for Richland County, North Dakota. It was in force for 49 min. 7 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 27, 2015, 8:26 PM CDT (01:26 UTC)
Expired
Jun 27, 2015, 9:15 PM CDT
In force
49 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County Richland County, ND

The radar

The Aberdeen radar (KABR), 144 km from the middle of the area, began a volume at 01:29 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 27, 8:44 PM CDTFUNNEL CLOUD2 Sw Great Bend, NDTWO FUNNELS UNDER SAME WALL CLOUD.
Jun 27, 8:44 PM CDTTORNADO 12 Se Great Bend, NDTORNADO WAS INITIALLY REPORTED AS POSSIBLY TWO FUNNEL CLOUDS UNDER THE SAME WALL CLOUD BY A TRAINED SPOTTER. THE TORNADO TOUCHED DOWN AND TRACKED FOR LESS THAN A MILE AND LIFTED BY 845 PM CDT. NUMEROUS TREES WERE SNAPPED AND A STEEL GRAIN BIN WAS BLOWN OFF ITS
Jun 27, 8:55 PM CDTFUNNEL CLOUDSonora, NDROTATION VIEWED NEAR SONORA...BETWEN HANKINSON AND FAIRMOUNT.
Jun 27, 8:55 PM CDTFUNNEL CLOUDSonora, NDROTATION VIEWED NEAR SONORA BY TRAINED SPOTTERS AND FIRST RESPONDERS...BETWEEN HANKINSON AND FAIRMOUNT.
Jun 27, 8:59 PM CDTTORNADO 07 W Fairmount, NDLARGE TORNADO WAS VIEWED BY TRAINED SPOTTERS AND STORM CHASERS AS IT CROSSED HWY 11. THE TORNADO TOUCHED DOWN AND QUICKLY BECAME ENSHROUDED IN HEAVY RAIN AND HAIL BUT APPEARED TO TRACK FOR A MILE OR TWO AND ENDING BY 903 PM CDT. LARGE TREE BRANCHES AND LIMBS W
Jun 27, 8:59 PM CDTTORNADO8 Wsw Fairmount, NDLARGE TORNADO VIEWED BY CHASER.
Jun 27, 9:00 PM CDTHAIL 1.53 W Fairmount, NDLARGE HAIL UP TO PING PONG BALLS IN SIZE AND VERY HEAVY RAIN HAIL FELL FOR SEVERAL MINUTES ACROSS EASTERN DEVILLO TOWNSHIP.

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 27, 2:42 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.4 hours before the alert went out and 181 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, Aberdeen, SD at 00:00Z on 2015-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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, Aberdeen, SD at 00:00Z on 2015-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 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
30 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
2157 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

862 
WFUS53 KFGF 280126
TORFGF
NDC077-280215-
/O.NEW.KFGF.TO.W.0033.150628T0126Z-150628T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
826 PM CDT SAT JUN 27 2015

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN RICHLAND COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 915 PM CDT
    
* AT 826 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MOORETON...OR 14 MILES WEST OF WAHPETON...
  MOVING SOUTHEAST AT 40 MPH.

  HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  GREAT BEND AROUND 835 PM CDT.
  HANKINSON AROUND 840 PM CDT.
  SONORA AROUND 850 PM CDT.
  FAIRMOUNT AROUND 855 PM CDT.
  BLACKMER AND LAMARS AROUND 900 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 4594 9683 4623 9702 4631 9683 4603 9658
      4594 9657
TIME...MOT...LOC 0126Z 323DEG 33KT 4623 9691 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$
DK
3 follow-up statements
890 
WWUS53 KFGF 280140 RRA
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
840 PM CDT SAT JUN 27 2015

NDC077-280215-
/O.CON.KFGF.TO.W.0033.000000T0000Z-150628T0215Z/
RICHLAND ND-
840 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN RICHLAND COUNTY...
    
AT 840 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER GREAT BEND...OR 13 MILES SOUTHWEST OF WAHPETON...
MOVING SOUTHEAST AT 40 MPH.

HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

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

THIS DANGEROUS STORM WILL BE NEAR...
  SONORA AROUND 850 PM CDT.
  FAIRMOUNT AROUND 855 PM CDT.
  LAMARS AROUND 900 PM CDT.
  BLACKMER AROUND 905 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 4594 9683 4609 9691 4620 9690 4623 9676
      4603 9658 4594 9657
TIME...MOT...LOC 0140Z 323DEG 33KT 4613 9681 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

DK
871 
WWUS53 KFGF 280153
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
853 PM CDT SAT JUN 27 2015

NDC077-280215-
/O.CON.KFGF.TO.W.0033.000000T0000Z-150628T0215Z/
RICHLAND ND-
853 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN RICHLAND COUNTY...
    
AT 853 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER SONORA...OR 17 MILES SOUTH OF WAHPETON...MOVING
SOUTHEAST AT 40 MPH.

HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

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

THIS DANGEROUS STORM WILL BE NEAR...
  FAIRMOUNT AROUND 855 PM CDT.
  LAMARS AROUND 900 PM CDT.
  BLACKMER AROUND 905 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 4594 9682 4610 9684 4612 9679 4615 9669
      4603 9658 4594 9657
TIME...MOT...LOC 0153Z 323DEG 33KT 4603 9670 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

DK
538 
WWUS53 KFGF 280212
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
912 PM CDT SAT JUN 27 2015

NDC077-280222-
/O.EXP.KFGF.TO.W.0033.000000T0000Z-150628T0215Z/
RICHLAND ND-
912 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR SOUTHEASTERN RICHLAND COUNTY WILL EXPIRE
AT 915 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTHEASTERN
NORTH DAKOTA.

LAT...LON 4594 9682 4610 9684 4612 9679 4615 9669
      4603 9658 4594 9657
TIME...MOT...LOC 0210Z 323DEG 33KT 4603 9670 

$$

DK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 7:18 PM CDTTornado WarningFGFRichland42 min
Jun 27, 7:30 PM CDTSevere Thunderstorm WarningFGFCass, Richland30 min
Jun 27, 7:38 PM CDTTornado WarningFGFRichland52 min
Jun 27, 7:52 PM CDTSevere Thunderstorm WarningFGFRichland17 min

Nearby

Tornado Warnings in North Dakota, 2015Every tornado warning in 2015Tornadoes in 2015

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.