Alert archive / North Dakota / Tornado Warnings in 2019

Tornado Warning 22, NWS Grand Forks, ND

July 28, 20194 counties in North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 28, 2019, 2:44 PM CDT for 4 counties in North Dakota. It was in force for 46 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 28, 2019, 2:44 PM CDT (19:44 UTC)
Expired: Jul 28, 2019, 3:30 PM CDT
In force: 46 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Grand Forks County, ND, Nelson County, ND, Pembina County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 87 km from the middle of the area, began a volume at 19:47 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

Time	Report	Where	Remark
Jul 28, 2:45 PM CDT	TSTM WND DMG	6 N Grafton, ND	WINDS BLEW OVER A GRAIN AUGER. ALSO HAD 1 INCH BRANCHES 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, 7.7 hours before the alert went out and 279 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 333 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 1403 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

314 
WFUS53 KFGF 281944
TORFGF
NDC035-063-067-099-282030-
/O.NEW.KFGF.TO.W.0022.190728T1944Z-190728T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
244 PM CDT Sun Jul 28 2019

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Northwestern Grand Forks County in northeastern North Dakota...
  Northeastern Nelson County in northeastern North Dakota...
  Central Walsh County in northeastern North Dakota...
  Southeastern Pembina County in northeastern North Dakota...

* Until 330 PM CDT.

* At 244 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Pisek, or 17 miles southwest of Grafton, moving
  east at 20 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Law enforcement reported multiple funnel clouds.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* This dangerous storm will be near...
  Pisek, Conway and Park River around 250 PM CDT.
  Mandt around 305 PM CDT.
  Veseleyville around 310 PM CDT.
  Voss around 320 PM CDT.
  Grafton, Minto and Oakwood around 330 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 4805 9812 4842 9780 4864 9718 4818 9737
TIME...MOT...LOC 1944Z 256DEG 19KT 4831 9775 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CJ

2 follow-up statements

026 
WWUS53 KFGF 282011
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
311 PM CDT Sun Jul 28 2019

NDC035-063-282021-
/O.CAN.KFGF.TO.W.0022.000000T0000Z-190728T2030Z/
Grand Forks ND-Nelson ND-
311 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR NORTHWESTERN GRAND FORKS AND NORTHEASTERN
NELSON COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4864 9718 4819 9736 4820 9776 4852 9753
TIME...MOT...LOC 2011Z 256DEG 19KT 4834 9754 

$$

NDC067-099-282030-
/O.CON.KFGF.TO.W.0022.000000T0000Z-190728T2030Z/
Walsh ND-Pembina ND-
311 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR EASTERN
WALSH AND SOUTHEASTERN PEMBINA COUNTIES...
    
At 311 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Veseleyville, or 7 miles southwest of Grafton,
moving east at 20 mph.

HAZARD...TORNADO and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

This dangerous storm will be near...
  Voss around 320 PM CDT.
  Grafton, Minto and Oakwood around 330 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 4864 9718 4819 9736 4820 9776 4852 9753
TIME...MOT...LOC 2011Z 256DEG 19KT 4834 9754 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CJ

611 
WWUS53 KFGF 282022
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
322 PM CDT Sun Jul 28 2019

NDC067-099-282031-
/O.EXP.KFGF.TO.W.0022.000000T0000Z-190728T2030Z/
Walsh ND-Pembina ND-
322 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR EASTERN WALSH AND SOUTHEASTERN PEMBINA
COUNTIES WILL EXPIRE AT 330 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Grand Forks.

LAT...LON 4864 9718 4819 9736 4820 9776 4852 9753
TIME...MOT...LOC 2021Z 256DEG 19KT 4835 9747 

$$

CJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 1:29 PM CDT	Special Weather Statement	FGF	Eddy	46 min
Jul 28, 1:45 PM CDT	Special Weather Statement	FGF	Nelson	45 min
Jul 28, 2:12 PM CDT	Tornado Warning	FGF	Nelson	48 min
Jul 28, 2:16 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson, Pembina, Walsh	59 min
Jul 28, 2:18 PM CDT	Special Weather Statement	FGF	Pembina	57 min
Jul 28, 2:56 PM CDT	Special Weather Statement	FGF	Grand Forks	49 min
Jul 28, 3:09 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	26 min
Jul 28, 3:28 PM CDT	Special Weather Statement	FGF	Steele	32 min
Jul 28, 4:59 PM CDT	Special Weather Statement	FGF	Sargent	46 min
Jul 28, 5:16 PM CDT	Special Weather Statement	FGF	Cass	29 min

Nearby

Tornado Warnings in North Dakota, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.