Alert archive / North Dakota / Tornado Warnings in 2016

Tornado Warning 4, NWS Grand Forks, ND

May 27, 2016Cass County, North Dakota; Clay County, Minnesota

NWS Grand Forks, ND issued this tornado warning at May 27, 2016, 2:59 PM CDT for Cass County, North Dakota; Clay County, Minnesota. It was in force for 46 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
May 27, 2016, 2:59 PM CDT (19:59 UTC)
Expired
May 27, 2016, 3:45 PM CDT
In force
46 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

Counties Clay County, MN, Cass County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 93 km from the middle of the area, began a volume at 19:59 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

Aberdeen, SD (KABR), launched 12:00Z, 8.0 hours before the alert went out and 246 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, Aberdeen, SD at 12:00Z on 2016-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Aberdeen, SD at 12:00Z on 2016-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
5 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

946 
WFUS53 KFGF 271959
TORFGF
MNC027-NDC017-272045-
/O.NEW.KFGF.TO.W.0004.160527T1959Z-160527T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
259 PM CDT FRI MAY 27 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CLAY COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHEASTERN CASS COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 345 PM CDT

* AT 258 PM CDT...TORNADO PRODUCING STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR AVERILL TO NEAR HICKSON...REMAINING NEARLY
  STATIONARY.

  HAZARD...TORNADO. 

  SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. 

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

* THESE TORNADIC STORMS WILL BE NEAR...
  GLYNDON AND AVERILL AROUND 300 PM CDT. 
  SABIN AROUND 315 PM CDT. 

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 49 AND 61.
 INTERSTATE 94 IN NORTH DAKOTA NEAR MILE MARKER 352.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 1 AND 12.

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 4664 9706 4705 9654 4699 9628 4663 9677
TIME...MOT...LOC 1958Z 270DEG 38KT 4696 9649 4666 9687 

TORNADO...OBSERVED
HAIL...0.00IN

$$

HOPKINS
2 follow-up statements
935 
WWUS53 KFGF 272023
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
323 PM CDT FRI MAY 27 2016

MNC027-NDC017-272045-
/O.CON.KFGF.TO.W.0004.000000T0000Z-160527T2045Z/
CLAY MN-CASS ND-
323 PM CDT FRI MAY 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
NORTHWESTERN CLAY AND SOUTHEASTERN CASS COUNTIES...
    
AT 320 PM CDT...TORNADO PRODUCING STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR DALE TO NEAR BAKER...REMAINING NEARLY
STATIONARY. THE PUBLIC AND TRAINED STORM SPOTTERS ALSO REPORTED
SEVERAL HIGH BASED FUNNELS.

HAZARD...TORNADO. 

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. 

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

THESE TORNADIC STORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN CLAY AND SOUTHEASTERN CASS COUNTIES.

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 49 AND 61.
 INTERSTATE 94 IN NORTH DAKOTA NEAR MILE MARKER 352.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 1 AND 12.

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 4664 9706 4705 9654 4699 9628 4663 9677
TIME...MOT...LOC 2020Z 270DEG 38KT 4696 9615 4666 9653 

TORNADO...OBSERVED
HAIL...<.75IN

$$

HOPKINS
332 
WWUS53 KFGF 272042
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
342 PM CDT FRI MAY 27 2016

MNC027-NDC017-272050-
/O.EXP.KFGF.TO.W.0004.000000T0000Z-160527T2045Z/
CLAY MN-CASS ND-
342 PM CDT FRI MAY 27 2016

...THE TORNADO WARNING FOR NORTHWESTERN CLAY AND SOUTHEASTERN CASS
COUNTIES WILL EXPIRE AT 345 PM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.  HOWEVER...THERE MAY STILL BE SOME WEAK
FUNNELS REMAINING AND A SPECIAL WEATHER STATEMENT WILL BE ISSUED.

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

LAT...LON 4664 9706 4705 9654 4699 9628 4663 9677
TIME...MOT...LOC 2039Z 270DEG 38KT 4696 9615 4666 9653 

$$

HOPKINS

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:12 PM CDTSpecial Weather StatementFGFEddy48 min
May 26, 11:19 PM CDTSpecial Weather StatementFGFCass26 min
May 27, 3:46 PM CDTSpecial Weather StatementFGFCass59 min
May 26, 11:48 PM CDTSpecial Weather StatementFGFNorman42 min
May 27, 12:31 AM CDTSpecial Weather StatementFGFNorman59 min
May 27, 2:15 PM CDTSpecial Weather StatementFGFPennington, Red Lake30 min
May 27, 5:09 PM CDTSpecial Weather StatementFGFRoseau36 min

Nearby

Tornado Warnings in North Dakota, 2016Tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.