Alert archive / Minnesota / Tornado Warnings in 2016

Tornado Warning 12, NWS Grand Forks, ND

July 7, 2016Polk County, Minnesota; Grand Forks County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 7, 2016, 5:02 PM CDT for Polk County, Minnesota; Grand Forks County, North Dakota. It was in force for 43 min. 4 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
Jul 7, 2016, 5:02 PM CDT (22:02 UTC)
Expired
Jul 7, 2016, 5:45 PM CDT
In force
43 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Polk County, MN, Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 61 km from the middle of the area, began a volume at 22:04 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
Jul 7, 5:06 PM CDTTORNADO4 Wsw Grand Forks, NDGFK TOWER OFFICALS OBSERVED A POSSIBLE TOUCH DOWN 3 MILES SOUTH OF THE AIRPORT TOWER. NOT MUCH OF A FUNNEL, BUT ROTATION IN CLOUD AND A LOT OF DUST KICKED UP.
Jul 7, 5:08 PM CDTFUNNEL CLOUD2 Wsw Grand Forks, NDSPOTTED NEAR THE ALERUS CENTER.
Jul 7, 5:08 PM CDTFUNNEL CLOUDGrand Forks, NDSPOTTED NEAR THE ALERUS CENTER.
Jul 7, 5:17 PM CDTTSTM WND GST 512 W Grand Forks, NDPEAK WIND REPORTED BY THE WIND SENSOR AT THE NWS OFFICE /KFGF/.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 10.0 hours before the alert went out and 282 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, International Fa, MN at 12:00Z on 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

249 
WFUS53 KFGF 072202
TORFGF
MNC119-NDC035-072245-
/O.NEW.KFGF.TO.W.0012.160707T2202Z-160707T2245Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN POLK COUNTY IN NORTHWESTERN MINNESOTA...
  NORTHEASTERN GRAND FORKS COUNTY IN NORTHEASTERN NORTH DAKOTA...

* UNTIL 545 PM CDT

* AT 501 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR GRAND FORKS...MOVING NORTHEAST AT 20 MPH.

  HAZARD...TORNADO. 

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  GRAND FORKS AROUND 505 PM CDT. 
  EAST GRAND FORKS AROUND 515 PM CDT. 

ALSO INCLUDES INTERSTATE 29 BETWEEN MILE MARKERS 139 AND 152.
 
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 4804 9682 4787 9714 4795 9726 4817 9710
      4817 9702
TIME...MOT...LOC 2201Z 214DEG 18KT 4793 9714 

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

$$

HOPKINS
2 follow-up statements
753 
WWUS53 KFGF 072234
SVSFGF

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

NDC035-072244-
/O.CAN.KFGF.TO.W.0012.000000T0000Z-160707T2245Z/
GRAND FORKS ND-
534 PM CDT THU JUL 7 2016

...THE TORNADO WARNING FOR NORTHEASTERN GRAND FORKS COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4804 9682 4797 9701 4807 9709 4817 9702
TIME...MOT...LOC 2234Z 214DEG 17KT 4806 9701 

$$

MNC119-072245-
/O.CON.KFGF.TO.W.0012.000000T0000Z-160707T2245Z/
POLK MN-
534 PM CDT THU JUL 7 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
NORTHWESTERN POLK COUNTY...
        
AT 534 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR TABOR...OR 10 MILES NORTH OF GRAND FORKS...MOVING
NORTHEAST AT 20 MPH.

HAZARD...TORNADO. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 

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

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN POLK 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 4804 9682 4797 9701 4807 9709 4817 9702
TIME...MOT...LOC 2234Z 214DEG 17KT 4806 9701 

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

$$

HOPKINS
909 
WWUS53 KFGF 072243
SVSFGF

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

MNC119-072252-
/O.EXP.KFGF.TO.W.0012.000000T0000Z-160707T2245Z/
POLK MN-
543 PM CDT THU JUL 7 2016

...THE TORNADO WARNING FOR NORTHWESTERN POLK COUNTY WILL EXPIRE AT
545 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.  HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4804 9682 4797 9701 4807 9709 4817 9702
TIME...MOT...LOC 2241Z 214DEG 18KT 4806 9701 

$$

HOPKINS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 3:45 PM CDTSevere Thunderstorm WarningFGFBecker, Hubbard60 min
Jul 7, 4:47 PM CDTTornado WarningFGFPolk43 min
Jul 7, 4:50 PM CDTSevere Thunderstorm WarningFGFBecker, Hubbard55 min
Jul 7, 5:50 PM CDTSevere Thunderstorm WarningFGFMarshall, Pennington, Polk25 min
Jul 7, 6:07 PM CDTAreal Flood WarningFGFMarshall, Polk3 hr
Jul 7, 1:30 PM CDTTornado WarningFGFGriggs, Nelson30 min
Jul 7, 1:55 PM CDTTornado WarningFGFNelson50 min
Jul 7, 2:53 PM CDTAreal Flood AdvisoryFGFNelson, Ramsey3 hr

Nearby

Tornado Warnings in Minnesota, 2016Tornado Warnings in North Dakota, 2016Every tornado warning in 2016Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.