Severe Thunderstorm Warning 159, NWS Bismarck, ND

Issued

Aug 30, 2021, 5:28 PM CDT (22:28 UTC)

Expired

Aug 30, 2021, 6:15 PM CDT

In force

47 min

Issued by

NWS Bismarck, ND

Area

Storm-based polygon

Hail

1.25 in

Wind

60.0 mph

Counties Mercer County, ND, Oliver County, ND

The Bismarck radar (KBIS), 78 km from the middle of the area, began a volume at 22:28 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.

388 
WUUS53 KBIS 302228
SVRBIS
NDC057-065-302315-
/O.NEW.KBIS.SV.W.0159.210830T2228Z-210830T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
528 PM CDT Mon Aug 30 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Southwestern Oliver County in south central North Dakota...
  South central Mercer County in south central North Dakota...

* Until 615 PM CDT.

* At 528 PM CDT, a severe thunderstorm was located 15 miles north of
  Glen Ullin, moving east at 25 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  southwestern Oliver and south central Mercer Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4712 10184 4713 10144 4699 10143 4698 10183
      4698 10184
TIME...MOT...LOC 2228Z 264DEG 22KT 4704 10177 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JP MARTIN

657 
WWUS53 KBIS 302254
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
554 PM CDT Mon Aug 30 2021

NDC057-065-302315-
/O.CON.KBIS.SV.W.0159.000000T0000Z-210830T2315Z/
Oliver ND-Mercer ND-
554 PM CDT Mon Aug 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHWESTERN OLIVER AND SOUTHERN MERCER COUNTIES...

At 552 PM CDT, a severe thunderstorm was located 14 miles north of 
Glen Ullin, on the Mercer and Oliver County line, moving east at 10 
mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe thunderstorm will remain over mainly rural areas of
southwestern Oliver and southern Mercer Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4706 10184 4711 10144 4699 10143 4698 10183
      4698 10184
TIME...MOT...LOC 2252Z 270DEG 7KT 4702 10178 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

JP MARTIN

904 
WWUS53 KBIS 302312 RRA
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
612 PM CDT Mon Aug 30 2021

NDC057-065-302322-
/O.EXP.KBIS.SV.W.0159.000000T0000Z-210830T2315Z/
Oliver ND-Mercer ND-
612 PM CDT Mon Aug 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OLIVER AND
SOUTHERN MERCER COUNTIES WILL EXPIRE AT 615 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.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
south central North Dakota.

LAT...LON 4706 10184 4711 10144 4699 10143 4698 10183
      4698 10184
TIME...MOT...LOC 2312Z 264DEG 22KT 4703 10166 

$$

JP MARTIN

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

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.