Alert archive / North Dakota / Special Weather Statements in 2021

Special Weather Statement, NWS Grand Forks, ND

July 26, 2021Richland County, North Dakota

NWS Grand Forks, ND issued this special weather statement at Jul 26, 2021, 12:11 AM CDT for Richland County, North Dakota. It was in force for 34 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
Jul 26, 2021, 12:11 AM CDT (05:11 UTC)
Expired
Jul 26, 2021, 12:45 AM CDT
In force
34 min
Issued by
NWS Grand Forks, ND

County Richland County, ND

The radar

The Aberdeen radar (KABR), 111 km from the middle of the area, began a volume at 05:13 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 00:00Z, 5.2 hours before the alert went out and 154 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 00:00Z on 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1771 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 00:00Z on 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
1771 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
2015 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
380 m²/s²
Significant tornado parameter
0.0
Supercell composite
31.3

Open this sounding in Storm Lab

The text

As transmitted.

895 
WWUS83 KFGF 260511
SPSFGF

Special Weather Statement
National Weather Service Grand Forks ND
1211 AM CDT Mon Jul 26 2021
 
NDZ052-053-260545-
Sargent ND-Richland ND-
1211 AM CDT Mon Jul 26 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN RICHLAND AND
SOUTHEASTERN SARGENT COUNTIES UNTIL 1245 AM CDT...

At 1211 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Mantador to Lake Traverse Reservation.
Movement was east at 45 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
these storms.

Strong thunderstorms will be near...
  Mantador and Stiles around 1215 AM CDT.
  Hankinson around 1225 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

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

&&

LAT...LON 4594 9749 4599 9755 4624 9702 4594 9659
TIME...MOT...LOC 0511Z 290DEG 37KT 4618 9704 4601 9739 

$$

DJR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 9:38 PM CDTSevere Thunderstorm WarningFGFRichland37 min
Jul 25, 10:04 PM CDTSevere Thunderstorm WarningFGFRansom, Richland, Sargent56 min
Jul 25, 10:56 PM CDTSpecial Weather StatementFGFRansom34 min
Jul 25, 11:01 PM CDTSpecial Weather StatementFGFRichland29 min
Jul 25, 11:10 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom, Richland55 min
Jul 25, 11:44 PM CDTSpecial Weather StatementFGFSargent31 min
Jul 25, 9:55 PM CDTSevere Thunderstorm WarningFGFWilkin35 min
Jul 25, 10:26 PM CDTSevere Thunderstorm WarningFGFGrant, Otter Tail18 min
Jul 25, 10:43 PM CDTSpecial Weather StatementFGFGrant32 min
Jul 25, 10:46 PM CDTSpecial Weather StatementFGFGrant29 min
Jul 26, 4:23 PM CDTSpecial Weather StatementFGFBeltrami52 min
Jul 26, 4:30 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater60 min
Jul 26, 5:13 PM CDTTornado Warning Tornado observedFGFBeltrami47 min
Jul 26, 5:32 PM CDTTornado WarningFGFBeltrami43 min
Jul 26, 6:23 PM CDTSpecial Weather StatementFGFHubbard37 min

Nearby

Special Weather Statements in North Dakota, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.