Alert archive / Minnesota / Tornado Warnings in 2018

Tornado Warning 28, NWS Grand Forks, ND

August 27, 2018Beltrami County, Lake of the Woods County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Aug 27, 2018, 12:30 AM CDT for Beltrami County, Lake of the Woods County, Minnesota. It was in force for 30 min. 1 report 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: Aug 27, 2018, 12:30 AM CDT (05:30 UTC)
Expired: Aug 27, 2018, 1:00 AM CDT
In force: 30 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Beltrami County, MN, Lake of the Woods County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 203 km from the middle of the area, began a volume at 05:30 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
Aug 27, 12:40 AM CDT	TSTM WND DMG	3 S Waskish, MN	MULTIPLE TREES WERE BLOWN DOWN, SEVERAL FALLING ACROSS HIGHWAY 72.

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.

Issued	Product	Office	Lasted
Aug 26, 9:48 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 5.5 hours before the alert went out and 119 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 33 J/kg
Mixed-layer CIN: -321 J/kg
Mixed-layer LCL: 967 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 245 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

680 
WFUS53 KFGF 270530
TORFGF
MNC007-077-270600-
/O.NEW.KFGF.TO.W.0028.180827T0530Z-180827T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Eastern ND/Grand Forks ND
1230 AM CDT MON AUG 27 2018

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Northeastern Beltrami County in north central Minnesota...
  Southeastern Lake of the Woods County in north central Minnesota...

* Until 100 AM CDT.
    
* At 1230 AM CDT, a severe thunderstorm capable of producing a
  tornado was located over northeastern Lower Red Lake, or 36 miles
  north of Bemidji, moving northeast at 65 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* This dangerous storm will be near...
  Upper Red Lake around 1235 AM CDT.
  Otto around 1245 AM CDT.
  Waskish around 1250 AM CDT.
  Big Bog State Recreation Area around 1255 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

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 4790 9502 4801 9518 4845 9449 4839 9443
      4812 9442
TIME...MOT...LOC 0530Z 230DEG 56KT 4800 9500 

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

$$

CJ

2 follow-up statements

288 
WWUS53 KFGF 270546
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
1246 AM CDT MON AUG 27 2018

MNC077-270556-
/O.CAN.KFGF.TO.W.0028.000000T0000Z-180827T0600Z/
Lake of the Woods MN-
1246 AM CDT MON AUG 27 2018

...THE TORNADO WARNING FOR SOUTHEASTERN LAKE OF THE WOODS COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
north central Minnesota.

LAT...LON 4805 9468 4821 9486 4836 9462 4836 9443
      4812 9442
TIME...MOT...LOC 0546Z 230DEG 56KT 4816 9471 

$$

MNC007-270600-
/O.CON.KFGF.TO.W.0028.000000T0000Z-180827T0600Z/
Beltrami MN-
1246 AM CDT MON AUG 27 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR
NORTHEASTERN BELTRAMI COUNTY...
    
At 1246 AM CDT, a severe thunderstorm capable of producing a tornado
was located over northeastern Upper Red Lake, or 47 miles north of
Bemidji, moving northeast at 65 mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

This dangerous storm will be near...
  Waskish around 1250 AM CDT.
  Big Bog State Recreation Area around 1255 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

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 4805 9468 4821 9486 4836 9462 4836 9443
      4812 9442
TIME...MOT...LOC 0546Z 230DEG 56KT 4816 9471 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CJ

869 
WWUS53 KFGF 270556
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
1256 AM CDT MON AUG 27 2018

MNC007-270606-
/O.EXP.KFGF.TO.W.0028.000000T0000Z-180827T0600Z/
Beltrami MN-
1256 AM CDT MON AUG 27 2018

...THE TORNADO WARNING FOR NORTHEASTERN BELTRAMI COUNTY WILL EXPIRE
AT 100 AM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
north central Minnesota.

LAT...LON 4805 9468 4821 9486 4836 9462 4836 9443
      4812 9442
TIME...MOT...LOC 0556Z 230DEG 56KT 4826 9454 

$$

CJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 9:58 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Polk	62 min
Aug 26, 10:30 PM CDT	Special Weather Statement	FGF	Polk	45 min
Aug 26, 10:37 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	23 min
Aug 26, 10:46 PM CDT	Severe Thunderstorm Warning	FGF	Norman, Polk, Red Lake	44 min
Aug 26, 10:52 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Roseau	53 min
Aug 26, 11:12 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Mahnomen, Norman, Polk	48 min
Aug 26, 11:18 PM CDT	Special Weather Statement	FGF	Pennington, Polk, Red Lake	42 min
Aug 26, 11:45 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods, Marshall, Roseau	37 min
Aug 26, 11:48 PM CDT	Tornado Warning	FGF	Clearwater, Polk	27 min
Aug 26, 11:54 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater, Mahnomen, Polk	51 min
Aug 27, 12:38 AM CDT	Special Weather Statement	FGF	Becker, Clearwater, Mahnomen	67 min
Aug 27, 12:53 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Beltrami, Clearwater, Hubbard, Mahnomen, Polk	54 min
Aug 27, 1:25 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Hubbard	50 min

Nearby

Tornado Warnings in Minnesota, 2018 Every tornado warning in 2018 Tornadoes 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.