Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 128, NWS Grand Forks, ND

October 13, 2021Ransom County, Sargent County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Oct 13, 2021, 3:55 PM CDT for Ransom County, Sargent County, North Dakota. It was in force for 26 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: Oct 13, 2021, 3:55 PM CDT (20:55 UTC)
Expired: Oct 13, 2021, 4:21 PM CDT
In force: 26 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Ransom County, ND, Sargent County, ND

The radar

The Aberdeen radar (KABR), 103 km from the middle of the area, began a volume at 20:56 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
Oct 13, 3:57 PM CDT	FUNNEL CLOUD	2 Ese Crete, ND	A PERSISTENT FUNNEL CLOUD DEVELOPED AND TRACKED JUST TO THE EAST OF CRETE.
Oct 13, 3:57 PM CDT	TORNADO	5 W Stirum, ND	DISTANCE ESTIMATED FROM RADAR.
Oct 13, 4:04 PM CDT	TORNADO 0	3 Ne Crete, ND	A TORNADO TRACKED INTERMITTENTLY FOR NEARLY TWO MILES FROM JUST NORTH OF HWY 13 THROUGH THE BRUNS SLOUGH AREA OF CENTRAL DENVER TOWNSHIP, TO AROUND 5 NNE OF CRETE BY 408 PM CDT. THE TORNADO REPEATEDLY SHOWED A DUST PLUME BUT STAYED MAINLY OVER OPEN GRASSLAND.

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.9 hours before the alert went out and 162 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

053 
WUUS53 KFGF 132055
SVRFGF
NDC073-081-132200-
/O.NEW.KFGF.SV.W.0128.211013T2055Z-211013T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
355 PM CDT Wed Oct 13 2021

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Western Ransom County in southeastern North Dakota...
  Northwestern Sargent County in southeastern North Dakota...

* Until 500 PM CDT.

* At 355 PM CDT, a severe thunderstorm was located near Crete, or 47
  miles south of Valley City, moving north at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Englevale and Elliott around 415 PM CDT.

Other locations in the path of this severe thunderstorm include Fort
Ransom.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4616 9801 4628 9801 4628 9803 4662 9803
      4662 9778 4616 9781
TIME...MOT...LOC 2055Z 177DEG 29KT 4624 9795 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

BH

1 follow-up statement

352 
WWUS53 KFGF 132121
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
421 PM CDT Wed Oct 13 2021

NDC073-081-132131-
/O.CAN.KFGF.SV.W.0128.000000T0000Z-211013T2200Z/
Ransom ND-Sargent ND-
421 PM CDT Wed Oct 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN RANSOM AND
NORTHWESTERN SARGENT COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 4616 9801 4628 9801 4628 9803 4662 9803
      4662 9778 4616 9781
TIME...MOT...LOC 2119Z 177DEG 29KT 4645 9797 

$$

BH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 3:39 PM CDT	Special Weather Statement	FGF	Sargent	36 min
Oct 13, 4:05 PM CDT	Tornado Warning Tornado observed	FGF	Ransom, Sargent	17 min
Oct 13, 4:16 PM CDT	Special Weather Statement	FGF	Ransom	29 min
Oct 13, 5:21 PM CDT	Special Weather Statement	FGF	Cass	24 min
Oct 13, 5:44 PM CDT	Special Weather Statement	FGF	Steele	46 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2021 Every severe thunderstorm warning in 2021

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.