An area of surface low pressure over east central South Dakota tracked up to near Wahpeton, North Dakota, during the evening of the 14th. Bands of showers and thunderstorms rotated around the low that afternoon and evening and produced one funnel cloud.
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The episode as NWS FGF wrote it up.
An area of surface low pressure over east central South Dakota tracked up to near Wahpeton, North Dakota, during the evening of the 14th. Bands of showers and thunderstorms rotated around the low that afternoon and evening and produced one funnel cloud.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Forks, ND wrote its last area forecast discussion before the first event at Jun 14, 5:58 PM CST, 1 hour 42 minutes earlier.
Area Forecast Discussion National Weather Service Grand Forks ND 658 PM CDT TUE JUN 14 2016 .UPDATE... Issued at 642 PM CDT Tue Jun 14 2016 Surface low along the North/South dakota border south of JMS. Associated boundary runs along the border then SE along the Minnesota River Valley. Tornadic storms which developed along boundary over NE SD into west central MN have dissipated. Only LTG strikes currently just SE and SW of the forecast area. Minor instability and cape continues in these areas (southern quarter of the fa) with pretty stable air northward. Guidance does not shift more favored convective parameters northward so based on this and current radar imagery and lightning detection have trimmed thunder mention. Also adjusted pops a bit downward as rain not as widespread and more spotty except across the far west and east. With low and boundary still along the border am hesitant to drop all mention of severe potential mainly with social media and graphics etc. Threat does appear minimal other than brief spin up tornadoes although non-supercell tornado parameter remains over NE SD. && .SHORT TERM...(This evening through Wednesday night) Issued at 320 PM CDT Tue Jun 14 2016 Main challenge for tonight is severe weather potential across far southeast ND into portions of west central MN. The sfc low still seems to be somewhere west of Watertown SD with a warm front extending out to the ESE toward southern MN. An area of deformation rain also extends from west of KABR northward through KJMS and Carrington. The stronger convection has been firing across SW MN near the warm front and is tracking ENE. The extensive cloud cover and rain has limited the instability across our slight risk area (KBWP to KFFM). Tornadoes are forming along the warm front and near the sfc low where there are better VGP values. Up in this FA, things just looking weaker. Latest high resolution guidance show some development late this afternoon into the early evening across southeast ND into west central MN, but they may just be strong storms and not severe ones. Will be closely watching things however. Models are also showing less pcpn with the storms. Looking like the deformation rain will not be too heavy, as less overall convection means less rain overall. This rain may linger into the night and portions of Wed, especially over the MN FA. .LONG TERM...(Thursday through Tuesday) Issued at 320 PM CDT Tue Jun 14 2016 Did not make too many changes to the forecast in this time frame due to potential severe weather. Did remove any pcpn chances in the Thursday evening time frame, with most models looking dry. Do have chances late Thu night into Fri. Saturday to Tuesday... Southwest flow aloft with a short wave will bring continued PCPN chances to the area Saturday and through Saturday night into Sunday. Moist airmass with dewpoints in the 60s will fuel storms...FROPA Sunday AM will push the storms east and bring drier...mid 50s dewpoint air into the region. This will limit convective activity Monday and Tuesday as flow becomes nearly zonal. As for temperatures upper 70s to upper 80s on Saturday will give way to cooler air... 70s for Monday and Tuesday. && .AVIATION...(For the 00Z TAFS through 00Z Wednesday evening) Issued at 642 PM CDT Tue Jun 14 2016 Following guidance with CIGS gradually lowering from S-N overnight as low lifts northward. Currently T treat looks minimal except for the far south and this will be isold. Expecting MVFR/IFR CIGs fairly widespread by morning. && .FGF Watches/Warnings/Advisories... ND...None. MN...None. && UPDATE...Voelker SHORT TERM...Godon LONG TERM...Godon/JK AVIATION...Voelker
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND FORKS ND 622 AM CDT TUE JUN 14 2016 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-151130- WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS- WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE- EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN- SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN- WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER- PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-NELSON- GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT- RICHLAND-WESTERN WALSH COUNTY- 622 AM CDT TUE JUN 14 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT RAIN SHOWERS WILL SPREAD NORTH ACROSS THE AREA DURING THE DAY REACHING THE INTERNATIONAL BORDER BY EARLY EVENING. THUNDERSTORMS WILL BE LIKELY THIS AFTERNOON AND EARLY EVENING OVER THE SOUTHERN RED RIVER VALLEY AND WEST CENTRAL MINNESOTA MAINLY SOUTH OF A BEMIDJI TO FARGO LINE. RISK OF A SEVERE STORM AS WELL IN THIS AREA. MUCH DEPENDS ON WHERE THE LOW PRESSURE TRACK SO STAY TUNED FOR UPDATES THROUGH THE DAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY ANOTHER RISK OF THUNDERSTORMS WILL MOVE INTO THE AREA FRIDAY AND INTO THE WEEKEND AS SEVERAL UPPER LEVEL SYSTEMS MOVE THROUGH. RISK OF STRONG OR SEVERE STORM AS WELL FRIDAY THROUGH SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. DTR
The Aberdeen radar (KABR), 168 km away, was scanning. The volume nearest the first event began at 01:40 UTC.
1 funnel cloud. Local standard time, as filed.
A photo and video of the funnel cloud were posted on social media. These images showed a persistent wall cloud with a brief funnel.
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