Alert archive / Minnesota / Tornado Warnings in 2016

Tornado Warning 33, NWS Grand Forks, ND

August 28, 2016Norman County, Polk County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Aug 28, 2016, 9:12 PM CDT for Norman County, Polk County, Minnesota. It was in force for 48 min. 5 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
Aug 28, 2016, 9:12 PM CDT (02:12 UTC)
Expired
Aug 28, 2016, 10:00 PM CDT
In force
48 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
1.0 in

Counties Norman County, MN, Polk County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 86 km from the middle of the area, began a volume at 02:13 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
Aug 28, 9:37 PM CDTHAIL 1Fertile, MN
Aug 28, 9:40 PM CDTHAIL 1.57 N Gary, MN
Aug 28, 9:53 PM CDTHAIL 1Fertile, MNALSO 60 MPH WIND
Aug 28, 9:53 PM CDTHAIL 1.75Fertile, MNALSO 60 MPH WIND
Aug 28, 10:08 PM CDTTORNADO6 Nw Gary, MNTORNADO TRACKED THROUGH FARM YARD WITH BARN DESTROYED.

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 00:00Z, 2.2 hours before the alert went out and 247 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 00:00Z on 2016-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2016-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
36 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
1127 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

109 
WFUS53 KFGF 290212
TORFGF
MNC107-119-290300-
/O.NEW.KFGF.TO.W.0033.160829T0212Z-160829T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
912 PM CDT SUN AUG 28 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL POLK COUNTY IN NORTHWESTERN MINNESOTA...
  NORTHEASTERN NORMAN COUNTY IN NORTHWESTERN MINNESOTA...

* UNTIL 1000 PM CDT
    
* AT 911 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO
  WAS LOCATED NEAR FLAMING...OR 44 MILES SOUTHEAST OF GRAND FORKS...
  MOVING EAST AT 10 MPH.

  THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! 

  HAZARD...DAMAGING TORNADO. 

  SOURCE...RADAR CONFIRMED TORNADO. TRAINED WEATHER SPOTTERS ALSO
           INDICATED A MULTI VORTEX TORNADO BETWEEN LOCKHART AND
           FLAMING AT 910 PM.

  IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS 
           MAY BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE 
           HOMES WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
           BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE 
           DESTRUCTION IS POSSIBLE. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTH CENTRAL POLK AND NORTHEASTERN NORMAN COUNTIES.

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 4750 9607 4733 9607 4733 9649 4753 9647
      4754 9606 4750 9606
TIME...MOT...LOC 0211Z 079DEG 8KT 4747 9639 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

LEE/AV
3 follow-up statements
030 
WWUS53 KFGF 290223
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
923 PM CDT SUN AUG 28 2016

MNC107-119-290300-
/O.CON.KFGF.TO.W.0033.000000T0000Z-160829T0300Z/
POLK MN-NORMAN MN-
923 PM CDT SUN AUG 28 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTH
CENTRAL POLK AND NORTHEASTERN NORMAN COUNTIES...
        
AT 922 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO
WAS LOCATED BETWEEN LOCKHART AND FLAMING...OR 44 MILES SOUTHEAST OF
GRAND FORKS...AND IS NEARLY STATIONARY OR MOVING VERY SLOWLY SOUTH
AND EAST.

THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...DAMAGING TORNADO. 

SOURCE...RADAR CONFIRMED TORNADO. 

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
         BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE
         DESTRUCTION IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
FERTILE...GARY...RINDAL...WAUKON...RANUM AND FLAMING. 

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 4750 9607 4733 9607 4733 9649 4753 9647
      4754 9606 4750 9606
TIME...MOT...LOC 0222Z 046DEG 4KT 4746 9639 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

LEE/AV
444 
WWUS53 KFGF 290239
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
939 PM CDT SUN AUG 28 2016

MNC107-119-290300-
/O.CON.KFGF.TO.W.0033.000000T0000Z-160829T0300Z/
POLK MN-NORMAN MN-
939 PM CDT SUN AUG 28 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTH
CENTRAL POLK AND NORTHEASTERN NORMAN COUNTIES...
    
AT 937 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED NEAR FLAMING...OR 45 MILES NORTHEAST OF FARGO...AND IS NEARLY
STATIONARY OR MOVING VERY SLOWLY SOUTH AND EAST.

THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...DAMAGING TORNADO. 

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. AT 936 PM...LAW
         ENFORCEMENT OFFICIALS CONTINUED TO REPORT A TORNADO ON THE
         GROUND JUST WEST OF FLAMING.

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
         BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE
         DESTRUCTION IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
FERTILE...GARY...RINDAL...WAUKON...RANUM AND FLAMING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. ALSO...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 4750 9607 4733 9607 4733 9649 4753 9647
      4754 9606 4750 9606
TIME...MOT...LOC 0237Z 298DEG 2KT 4746 9637 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

LEE
316 
WWUS53 KFGF 290251
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
951 PM CDT SUN AUG 28 2016

MNC107-119-290300-
/O.CON.KFGF.TO.W.0033.000000T0000Z-160829T0300Z/
POLK MN-NORMAN MN-
951 PM CDT SUN AUG 28 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTH
CENTRAL POLK AND NORTHEASTERN NORMAN COUNTIES...
    
AT 950 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO
WAS LOCATED JUST NORTHWEST OF GARY...OR 43 MILES NORTHEAST OF
FARGO...MOVING EAST AT 10 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
         BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE
         DESTRUCTION IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
FERTILE...GARY...RINDAL...WAUKON...RANUM AND FLAMING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

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 4750 9607 4733 9607 4733 9649 4753 9647
      4754 9606 4750 9606
TIME...MOT...LOC 0250Z 350DEG 9KT 4742 9635 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

LEE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 7:48 PM CDTSpecial Weather StatementFGFPolk, Red Lake42 min
Aug 28, 7:49 PM CDTSpecial Weather StatementFGFLake of the Woods56 min
Aug 28, 8:03 PM CDTTornado Warning Tornado observedFGFPolk, Red Lake27 min
Aug 28, 8:27 PM CDTTornado WarningFGFMahnomen, Polk, Red Lake33 min
Aug 28, 8:50 PM CDTTornado WarningFGFMahnomen, Norman, Polk25 min
Aug 28, 9:05 PM CDTSevere Thunderstorm WarningFGFMahnomen, Norman, Polk40 min
Aug 28, 9:41 PM CDTAreal Flood AdvisoryFGFNorman, Polk7 hr
Aug 28, 9:56 PM CDTTornado Warning Tornado observedFGFNorman49 min
Aug 28, 10:37 PM CDTFlash Flood WarningFGFMahnomen, Norman, Polk10 hr
Aug 28, 10:41 PM CDTTornado WarningFGFBecker, Mahnomen, Norman49 min
Aug 28, 11:31 PM CDTSevere Thunderstorm WarningFGFBecker, Clay, Clearwater, Mahnomen, Norman59 min
Aug 29, 2:11 AM CDTSpecial Weather StatementFGFOtter Tail, Wadena64 min
Aug 29, 3:29 AM CDTSpecial Weather StatementFGFOtter Tail61 min
Aug 29, 4:36 AM CDTAreal Flood AdvisoryFGFBeltrami, Clearwater, Hubbard3 hr

Nearby

Tornado Warnings in Minnesota, 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.