Alert archive / North Dakota / Tornado Warnings in 2016

Tornado Warning 9, NWS Grand Forks, ND

July 7, 2016Griggs County, Nelson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 7, 2016, 1:30 PM CDT for Griggs County, Nelson County, North Dakota. It was in force for 30 min. 1 report 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, 1:30 PM CDT (18:30 UTC)
Expired
Jul 7, 2016, 2:00 PM CDT
In force
30 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Griggs County, ND, Nelson County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 79 km from the middle of the area, began a volume at 18:31 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, 1:35 PM CDTFUNNEL CLOUD5 Nw Red Willow Lake, NDFUNNEL NEARLY HALFWAY DOWN.

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

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 6.5 hours before the alert went out and 202 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, Bismarck Municip, ND at 12:00Z on 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Bismarck Municip, ND at 12:00Z on 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.19395878Sfc1 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
7 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

311 
WFUS53 KFGF 071830
TORFGF
NDC039-063-071900-
/O.NEW.KFGF.TO.W.0009.160707T1830Z-160707T1900Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN NELSON COUNTY IN NORTHEASTERN NORTH DAKOTA...
  NORTHWESTERN GRIGGS COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 200 PM CDT

* AT 128 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF
  PRODUCING A TORNADO WAS LOCATED NEAR RED WILLOW LAKE...OR 42 MILES
  SOUTHEAST OF DEVILS LAKE...MOVING NORTHEAST AT 25 MPH.

  HAZARD...TORNADO. 

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD 6 MILES WEST OF
           BINFORD. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  PEKIN AND KLOTEN AROUND 155 PM CDT. 
  MCVILLE AROUND 200 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 4763 9850 4797 9852 4776 9795 4744 9825
      4752 9847
TIME...MOT...LOC 1828Z 206DEG 20KT 4762 9832 

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

$$

KNUTSVIG
2 follow-up statements
275 
WWUS53 KFGF 071841
SVSFGF

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

NDC039-063-071900-
/O.CON.KFGF.TO.W.0009.000000T0000Z-160707T1900Z/
NELSON ND-GRIGGS ND-
141 PM CDT THU JUL 7 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR SOUTHERN
NELSON AND NORTHWESTERN GRIGGS COUNTIES...
        
AT 139 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
A TORNADO WAS LOCATED NEAR BINFORD AND RED WILLOW LAKE...EXTENDING
NORTH TO TOLNA. THIS LINE OF THUNDERSTORMS IS MOVING NORTHEAST AT 20
MPH. 

HAZARD...TORNADO. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD NEAR RED WILLOW
         LAKE. 

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

THIS DANGEROUS STORM WILL BE NEAR...
  PEKIN AROUND 150 PM CDT. 
  MCVILLE AND KLOTEN AROUND 200 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 4763 9850 4797 9852 4776 9795 4744 9825
      4752 9847
TIME...MOT...LOC 1839Z 218DEG 20KT 4769 9828 

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

$$

KNUTSVIG
959 
WWUS53 KFGF 071859
SVSFGF

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

NDC039-063-071908-
/O.EXP.KFGF.TO.W.0009.000000T0000Z-160707T1900Z/
NELSON ND-GRIGGS ND-
159 PM CDT THU JUL 7 2016

...THE TORNADO WARNING FOR SOUTHERN NELSON AND NORTHWESTERN GRIGGS
COUNTIES WILL EXPIRE AT 200 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.

LAT...LON 4763 9850 4797 9852 4776 9795 4744 9825
      4752 9847
TIME...MOT...LOC 1857Z 206DEG 20KT 4769 9828 

$$

KNUTSVIG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 1:55 PM CDTTornado WarningFGFNelson50 min
Jul 7, 2:53 PM CDTAreal Flood AdvisoryFGFNelson, Ramsey3 hr
Jul 7, 4:47 PM CDTTornado WarningFGFGrand Forks43 min
Jul 7, 5:02 PM CDTTornado WarningFGFGrand Forks43 min
Jul 7, 6:07 PM CDTAreal Flood WarningFGFGrand Forks, Walsh3 hr

Nearby

Tornado 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.