Alert archive / Minnesota / Tornado Warnings in 2016

Tornado Warning 13, NWS Grand Forks, ND

July 7, 2016Wadena County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 7, 2016, 9:26 PM CDT for Wadena County, Minnesota. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 7, 2016, 9:26 PM CDT (02:26 UTC)
Expired: Jul 7, 2016, 10:00 PM CDT
In force: 34 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Wadena County, MN

The radar

The Duluth radar (KDLH), 208 km from the middle of the area, began a volume at 02:28 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 221 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: 1024 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 856 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

091 
WFUS53 KFGF 080226
TORFGF
MNC159-080300-
/O.NEW.KFGF.TO.W.0013.160708T0226Z-160708T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
926 PM CDT THU JUL 7 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL WADENA COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1000 PM CDT

* AT 925 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR SEBEKA...OR 41 MILES EAST OF DETROIT
  LAKES...MOVING EAST AT 35 MPH.

  HAZARD...TORNADO. 

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD THREE MILES EAST
           OF SEBEKA. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  NIMROD AROUND 935 PM CDT. 
  OYLEN AROUND 945 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 4656 9508 4668 9509 4672 9479 4664 9479
      4663 9478 4651 9478
TIME...MOT...LOC 0225Z 270DEG 32KT 4663 9501 

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

$$

KNUTSVIG

2 follow-up statements

791 
WWUS53 KFGF 080236
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
936 PM CDT THU JUL 7 2016

MNC159-080300-
/O.CON.KFGF.TO.W.0013.000000T0000Z-160708T0300Z/
WADENA MN-
936 PM CDT THU JUL 7 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR CENTRAL
WADENA COUNTY...
        
AT 935 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER NIMROD...OR 38 MILES NORTHWEST OF BRAINERD...MOVING
EAST AT 35 MPH.

HAZARD...TORNADO. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 

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

THIS DANGEROUS STORM WILL BE NEAR...
  OYLEN AROUND 945 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 4658 9501 4669 9500 4672 9479 4664 9479
      4663 9478 4651 9478
TIME...MOT...LOC 0235Z 270DEG 31KT 4663 9491 

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

$$

KNUTSVIG

877 
WWUS53 KFGF 080251
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
951 PM CDT THU JUL 7 2016

MNC159-080300-
/O.EXP.KFGF.TO.W.0013.000000T0000Z-160708T0300Z/
WADENA MN-
951 PM CDT THU JUL 7 2016

...THE TORNADO WARNING FOR CENTRAL WADENA COUNTY WILL EXPIRE AT 1000
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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
GRAND FORKS.

LAT...LON 4658 9501 4669 9500 4672 9479 4664 9479
      4663 9478 4651 9478
TIME...MOT...LOC 0249Z 270DEG 32KT 4663 9491 

$$

KNUTSVIG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:26 PM CDT	Special Weather Statement	FGF	Becker	64 min
Jul 7, 7:55 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wilkin	50 min
Jul 7, 8:35 PM CDT	Special Weather Statement	FGF	Clearwater	40 min
Jul 7, 11:15 PM CDT	Areal Flood Advisory	FGF	Kittson, Marshall, Pennington, Roseau	10 hr

Nearby

Tornado Warnings in Minnesota, 2016 Every tornado warning in 2016 Tornadoes in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.