Alert archive / Minnesota / Tornado Warnings in 2014

Tornado Warning 26, NWS Grand Forks, ND

September 19, 2014Kittson County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Sep 19, 2014, 6:29 PM CDT for Kittson County, Minnesota. It was in force for 33 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
Sep 19, 2014, 6:29 PM CDT (23:29 UTC)
Expired
Sep 19, 2014, 7:02 PM CDT
In force
33 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

County Kittson County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 150 km from the middle of the area, began a volume at 23:30 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

TimeReportWhereRemark
Sep 19, 6:30 PM CDTHAIL 2.55 Nne Hallock, MNLARGE TORNADO VIEWED APPROACHING FARMSTEAD FROM WEST. TENNIS BALL SIZED HAIL FOLLOWED TORNADO.
Sep 19, 6:40 PM CDTTORNADO4 S Lancaster, MNCROSSING STATE HIGHWAY 59
Sep 19, 7:05 PM CDTTSTM WND DMG5 Ene Lake Bronson, MNNUMEROUS LARGE BRANCHES AND TREE TRUNKS WERE SNAPPED ACROSS PORTIONS OF SOUTHEAST PERCY TOWNSHIP.

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, 11.5 hours before the alert went out and 255 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 2014-09-19Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2014-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 382 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
833 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
382 m²/s²
0-3 km storm-relative helicity
398 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

159 
WFUS53 KFGF 192329
TORFGF
MNC069-200015-
/O.NEW.KFGF.TO.W.0026.140919T2329Z-140920T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
629 PM CDT FRI SEP 19 2014

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL KITTSON COUNTY IN NORTHWEST MINNESOTA...

* UNTIL 715 PM CDT

* AT 625 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR NORTHCOTE...AND MOVING SOUTHEAST AT 15
  MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

  SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 8 MILES          
  NORTHWEST OF HALLOCK.  AT 558 PM...FIRE AND RESCUE CREWS REPORTED  
  HALF DOLLAR SIZE HAIL 4 MILES SOUTHWEST OF PEMBINA.


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

* THIS DANGEROUS STORM WILL BE NEAR...
  HALLOCK AROUND 640 PM CDT.
  LANCASTER AROUND 650 PM CDT.
  LAKE BRONSON AROUND 715 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 IN GRAND
FORKS.

&&

LAT...LON 4885 9648 4860 9668 4882 9712 4897 9701
TIME...MOT...LOC 2327Z 299DEG 12KT 4884 9695

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

VOELKER
2 follow-up statements
792 
WWUS53 KFGF 192347
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
647 PM CDT FRI SEP 19 2014

MNC069-200015-
/O.CON.KFGF.TO.W.0026.000000T0000Z-140920T0015Z/
KITTSON MN-
647 PM CDT FRI SEP 19 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL KITTSON COUNTY
UNTIL 715 PM CDT...

AT 644 PM CDT...A CONFIRMED TORNADO WAS LOCATED 4 MILES SOUTH OF 
LANCASTER AT 640 PM CDT.

HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.


AT 620 PM...LOCAL LAW ENFORCEMENT REPORTED HALF DOLLAR SIZE HAIL 4
MILES SOUTH OF HUMBOLDT.

AT 622 PM...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 8 MILES
NORTHWEST OF HALLOCK.

AT 640 PM...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 4 MILES SOUTH OF
LANCASTER.

THE TORNADIC STORM WILL BE NEAR...
  LANCASTER AROUND 650 PM CDT.
  LAKE BRONSON AROUND 715 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 IN GRAND
FORKS.

&&

LAT...LON 4874 9695 4893 9685 4885 9648 4860 9668
TIME...MOT...LOC 2345Z 299DEG 12KT 4881 9687

TORNADO...OBSERVED
HAIL...1.75IN

$$

VOELKER
248 
WWUS53 KFGF 200002
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
702 PM CDT FRI SEP 19 2014

MNC069-200012-
/O.CAN.KFGF.TO.W.0026.000000T0000Z-140920T0015Z/
KITTSON MN-
702 PM CDT FRI SEP 19 2014

...THE TORNADO WARNING FOR CENTRAL KITTSON COUNTY IS CANCELLED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN 
EFFECT FOR THE AREA.  

LAT...LON 4874 9695 4893 9685 4885 9648 4860 9668
TIME...MOT...LOC 0002Z 299DEG 12KT 4878 9679

$$

VOELKER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 5:45 PM CDTTornado WarningFGFKittson45 min

Nearby

Tornado Warnings in Minnesota, 2014Every tornado warning in 2014Tornadoes in 2014

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.