Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 30, NWS Grand Forks, ND

June 27, 2015Richland County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2015, 7:18 PM CDT for Richland County, North Dakota. It was in force for 42 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
Jun 27, 2015, 7:18 PM CDT (00:18 UTC)
Expired
Jun 27, 2015, 8:00 PM CDT
In force
42 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Richland County, ND

The radar

The Aberdeen radar (KABR), 133 km from the middle of the area, began a volume at 00:18 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, 7:35 PM CDTTSTM WND DMG4 S Great Bend, NDGRAIN BINS BLOWN DOWN. LOCATION AND TIME ARE APPROXIMATED.
Jun 27, 7:40 PM CDTFUNNEL CLOUD2 Sw Hankinson, NDA LARGE PERSISTENT WALL CLOUD AND BRIEF FUNNEL WERE VIEWED FROM LAKE ELSIE. PHOTOS AND REPORT WERE POSTED TO SOCIAL MEDIA.

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, 0.3 hours before the alert went out and 172 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.

856 
WFUS53 KFGF 280018
TORFGF
NDC077-280100-
/O.NEW.KFGF.TO.W.0030.150628T0018Z-150628T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
718 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 800 PM CDT
    
* AT 717 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER MANTADOR...OR 20 MILES WEST OF WAHPETON...
  MOVING SOUTHEAST AT 25 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  MANTADOR AROUND 720 PM CDT.
  HANKINSON AROUND 735 PM CDT.
  GREAT BEND AROUND 740 PM CDT.
  SONORA AROUND 755 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 4596 9707 4630 9708 4614 9661 4594 9683
TIME...MOT...LOC 0017Z 303DEG 21KT 4617 9701 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

GUST
2 follow-up statements
765 
WWUS53 KFGF 280040
SVSFGF

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

NDC077-280100-
/O.CON.KFGF.TO.W.0030.000000T0000Z-150628T0100Z/
RICHLAND ND-
740 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN RICHLAND COUNTY...
    
AT 739 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HANKINSON...OR 21 MILES NORTHWEST OF WHEATON...
MOVING SOUTHEAST AT 40 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

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

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN RICHLAND COUNTY.

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 4596 9707 4630 9708 4614 9661 4594 9683
TIME...MOT...LOC 0039Z 326DEG 35KT 4599 9686 

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

$$

GUST
106 
WWUS53 KFGF 280101
SVSFGF

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

NDC077-280111-
/O.EXP.KFGF.TO.W.0030.000000T0000Z-150628T0100Z/
RICHLAND ND-
801 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR SOUTHEASTERN RICHLAND COUNTY HAS
EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

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

LAT...LON 4596 9707 4630 9708 4614 9661 4594 9683
TIME...MOT...LOC 0100Z 303DEG 21KT 4599 9686 

$$

GUST

The office that day

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

IssuedProductOfficeCountiesLasted
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
Jun 27, 8:26 PM CDTTornado WarningFGFRichland49 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.