Alert archive / North Dakota / Tornado Warnings in 2018
Tornado Warning 8, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 8, 2018, 5:13 PM CDT for Grand Forks County, North Dakota. It was in force for 47 min. 3 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 8, 2018, 5:13 PM CDT (22:13 UTC)
- Expired
- Jun 8, 2018, 6:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.0 in
County Grand Forks County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 42 km from the middle of the area, began a volume at 22:12 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 5:27 PM CDT | FUNNEL CLOUD | 10 W Grand Forks, ND | MULTIPLE SPOTTERS NOTED THE PERISTENT AND WELL DEVELOPED WALL CLOUD STRUCTURE TRACKING EASTWARD ALONG THE HIGHWAY 2 CORRIDOR. A BRIEF BUT DIFFUSE FUNNEL WAS EVIDENT AT TIMES. |
| Jun 8, 5:27 PM CDT | FUNNEL CLOUD | 10 W Grand Forks, ND | |
| Jun 8, 5:30 PM CDT | TORNADO 0 | 5 E Emerado, ND | A TORNADO TRACKED EASTWARD FROM THE FAR NORTHEAST EDGE OF OAKVILLE TOWNSHIP INTO FAR NORTHWEST BRENNA TOWNSHIP, WITH BRIEF AND INTERMITTENT TOUCHDOWNS ALONG A ROUGHLY MILE LONG PATH... ENDING ABOUT 2 SSW OF THE GRAND FORKS AIRPORT BY 534 PM CDT. AT LEAST ONE P |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.2 hours before the alert went out and 292 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.
- Mixed-layer CAPE
- 35 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 881 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
975 WFUS53 KFGF 082213 TORFGF NDC035-082300- /O.NEW.KFGF.TO.W.0008.180608T2213Z-180608T2300Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Eastern ND/Grand Forks ND 513 PM CDT FRI JUN 8 2018 The National Weather Service in Grand Forks has issued a * Tornado Warning for... East central Grand Forks County in northeastern North Dakota... * Until 600 PM CDT. * At 512 PM CDT, a confirmed tornado was located near Emerado, or 14 miles west of Grand Forks, moving east at 20 mph. HAZARD...Tornado and quarter size hail. SOURCE...Public confirmed tornado. IMPACT...Expect damage to mobile homes, roofs, and vehicles. * The tornado will be near... Emerado and the Grand Forks Air Force Base around 515 PM CDT. Grand Forks and Merrifield around 550 PM CDT. Other locations impacted by this tornadic thunderstorm include Grand Forks Airport. This includes Interstate 29 between mile markers 133 and 147. 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 4779 9703 4791 9745 4797 9743 4803 9707 TIME...MOT...LOC 2212Z 271DEG 19KT 4793 9739 TORNADO...OBSERVED HAIL...1.00IN $$ GG
2 follow-up statements
589
WWUS53 KFGF 082231
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
531 PM CDT FRI JUN 8 2018
NDC035-082300-
/O.CON.KFGF.TO.W.0008.000000T0000Z-180608T2300Z/
Grand Forks ND-
531 PM CDT FRI JUN 8 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR EAST
CENTRAL GRAND FORKS COUNTY...
At 530 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Emerado, or 8 miles west of Grand Forks, moving east
at 20 mph.
HAZARD...TORNADO and quarter size hail.
SOURCE...Weather spotters reported a funnel cloud.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This dangerous storm will be near...
Grand Forks and Merrifield around 550 PM CDT.
Other locations impacted by this tornadic thunderstorm include Grand
Forks Airport.
This includes Interstate 29 between mile markers 133 and 147.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4779 9703 4789 9737 4797 9736 4803 9707
TIME...MOT...LOC 2230Z 271DEG 19KT 4793 9724
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
GG262
WWUS53 KFGF 082253
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
553 PM CDT FRI JUN 8 2018
NDC035-082301-
/O.EXP.KFGF.TO.W.0008.000000T0000Z-180608T2300Z/
Grand Forks ND-
553 PM CDT FRI JUN 8 2018
...THE TORNADO WARNING FOR EAST CENTRAL GRAND FORKS COUNTY WILL
EXPIRE AT 600 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.
LAT...LON 4779 9703 4789 9737 4797 9736 4803 9707
TIME...MOT...LOC 2251Z 271DEG 19KT 4793 9708
$$
GGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 3:09 PM CDT | Tornado Warning | FGF | Barnes, Cass | 36 min |
| Jun 8, 3:36 PM CDT | Tornado Warning | FGF | Barnes, Cass | 39 min |
| Jun 8, 4:14 PM CDT | Tornado Warning | FGF | Cass | 46 min |
| Jun 8, 4:21 PM CDT | Special Weather Statement | FGF | Nelson | 54 min |
| Jun 8, 4:23 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 52 min |
| Jun 8, 4:24 PM CDT | Tornado Warning | FGF | Grand Forks, Nelson, Walsh | 51 min |
| Jun 8, 4:54 PM CDT | Tornado Warning | FGF | Cass, Richland | 51 min |
| Jun 8, 5:37 PM CDT | Tornado Warning | FGF | Cass, Richland | 38 min |
| Jun 8, 6:14 PM CDT | Tornado Warning | FGF | Richland | 46 min |
Nearby
Tornado Warnings in North Dakota, 2018Every tornado warning in 2018Tornadoes in 2018
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.