Alert archive / North Dakota / Tornado Warnings in 2019

Tornado Warning 21, NWS Grand Forks, ND

July 28, 2019Nelson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 28, 2019, 2:12 PM CDT for Nelson County, North Dakota. It was in force for 48 min. 4 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: Jul 28, 2019, 2:12 PM CDT (19:12 UTC)
Expired: Jul 28, 2019, 3:00 PM CDT
In force: 48 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Nelson County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 83 km from the middle of the area, began a volume at 19:15 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, 2:23 PM CDT	TORNADO 1	6 W Michigan, ND	A TORNADO TRACKED INTERMITTENTLY FOR AROUND 4 MILES TO THE EAST NORTHEAST TO ABOUT 2.5 WNW MICHIGAN BY 232 PM CDT. IT WAS VIEWED AND REPORTED AS A FUNNEL CLOUD BY SPOTTERS LOCATED AT VARIOUS SPOTS ALONG OR NEAR U.S. HIGHWAY 2. THE TORNADO SNAPPED A COUPLE OF M
Jul 28, 2:23 PM CDT	TORNADO 1	6 W Michigan, ND	A TORNADO TRACKED INTERMITTENTLY FOR AROUND 4 MILES TO THE EAST NORTHEAST TO ABOUT 3 WNW MICHIGAN BY 232 PM CDT. IT WAS VIEWED AND REPORTED AS A FUNNEL CLOUD BY SPOTTERS LOCATED AT VARIOUS SPOTS ALONG OR NEAR U.S. HIGHWAY 2. THE TORNADO SNAPPED A COUPLE OF MAT
Jul 28, 2:25 PM CDT	HAIL 1	5 Wsw Michigan, ND	LARGE HAIL DAMAGED SEVERAL SECTIONS OF CORN, WHEAT, AND SOYBEAN FIELDS FROM NORTHEASTERN DODDS TOWNSHIP INTO NORTHCENTRAL WILLIAMS TOWNSHIP. HEAVILY BRUISED STALK AND EAR DAMAGE EVIDENT ON CORN. SOME AREAS HAD BEAN STEMS WHICH WERE STRIPPED TO THE STALK. TIME
Jul 28, 2:30 PM CDT	TSTM WND DMG	6 Wsw Michigan, ND	TWO LARGE 60-70 FOOT TREES ABOUT 18 INCHES IN DIAMETER FELL ONTO A TREE HOUSE. TIME ESTIMATED FROM RADAR.

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, 7.2 hours before the alert went out and 224 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.

366 
WFUS53 KFGF 281912
TORFGF
NDC063-282000-
/O.NEW.KFGF.TO.W.0021.190728T1912Z-190728T2000Z/

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

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Central Nelson County in northeastern North Dakota...

* Until 300 PM CDT.
    
* At 212 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles north of Tolna, or 25 miles southeast of Devils
  Lake, moving east at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

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

* This dangerous storm will be near...
  Mapes around 235 PM CDT.
  Michigan around 245 PM CDT.
  Petersburg around 300 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 4786 9846 4796 9849 4810 9797 4786 9795
TIME...MOT...LOC 1912Z 258DEG 20KT 4793 9839 

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

$$

CJ

2 follow-up statements

954 
WWUS53 KFGF 281924
SVSFGF

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

NDC063-282000-
/O.CON.KFGF.TO.W.0021.000000T0000Z-190728T2000Z/
Nelson ND-
224 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR CENTRAL
NELSON COUNTY...
    
At 224 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mapes, or 29 miles southeast of Devils Lake, moving
east at 25 mph.

HAZARD...TORNADO and ping pong ball size hail.

SOURCE...Radar indicated rotation.

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

This dangerous storm will be near...
  Mapes around 235 PM CDT.
  Michigan around 245 PM CDT.
  Petersburg around 300 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 4786 9840 4798 9841 4810 9797 4786 9795
TIME...MOT...LOC 1924Z 258DEG 20KT 4794 9829 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

CJ

217 
WWUS53 KFGF 281952
SVSFGF

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

NDC063-282001-
/O.EXP.KFGF.TO.W.0021.000000T0000Z-190728T2000Z/
Nelson ND-
252 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR CENTRAL NELSON COUNTY WILL EXPIRE AT 300
PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

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

Remember, a Tornado Warning still remains in effect for far 
northeastern Nelson County until 3:30 PM CDT.

LAT...LON 4786 9840 4798 9841 4810 9797 4786 9795
TIME...MOT...LOC 1951Z 258DEG 20KT 4797 9808 

$$

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, 2:16 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, 2:44 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Pembina, Walsh	46 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.