<alert><identifier>urn:oid:2.49.0.1.840.0.d9d81def05d2b89e98340c41d478e1c8dae293a2.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-11T20:46:00-05:00</sent><status>Actual</status><msgType>Alert</msgType><source>211803 v2.3.0</source><scope>Public</scope><code>IPAWSv1.0</code><info><language>en-US</language><category>Met</category><event>Severe Thunderstorm Warning</event><responseType>Shelter</responseType><urgency>Immediate</urgency><severity>Severe</severity><certainty>Observed</certainty><eventCode><valueName>SAME</valueName><value>SVR</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>SVW</value></eventCode><effective>2026-08-11T20:46:00-05:00</effective><onset>2026-08-11T20:46:00-05:00</onset><expires>2026-08-11T21:45:00-05:00</expires><senderName>NWS Bismarck ND</senderName><headline>Severe Thunderstorm Warning issued August 11 at 8:46PM CDT until August 11 at 9:45PM CDT by NWS Bismarck ND</headline><description>SVRBIS

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
Southwestern Emmons County in south central North Dakota...
Eastern Sioux County in south central North Dakota...

* Until 945 PM CDT /845 PM MDT/.

* At 846 PM CDT /746 PM MDT/, a severe thunderstorm was located 13
miles north of Selfridge, or 33 miles west of Linton, moving
southeast at 30 mph.

THIS IS A DESTRUCTIVE STORM FOR NORTHERN SIOUX COUNTY.

HAZARD...Baseball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.

* Locations impacted include...
Fort Yates, Selfridge, Cattail Recreation Area and Standing Rock.
</description><instruction>Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm is capable of producing destructive
hail and damaging winds.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SVRBIS</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WUUS53 KBIS 120146</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-12T01:45:00Z...storm...323DEG...24KT...46.23,-100.92</value></parameter><parameter><valueName>windThreat</valueName><value>RADAR INDICATED</value></parameter><parameter><valueName>maxWindGust</valueName><value>60 MPH</value></parameter><parameter><valueName>hailThreat</valueName><value>RADAR INDICATED</value></parameter><parameter><valueName>maxHailSize</valueName><value>2.75</value></parameter><parameter><valueName>thunderstormDamageThreat</valueName><value>DESTRUCTIVE</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>EAS</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>NWEM</value></parameter><parameter><valueName>EAS-ORG</valueName><value>WXR</value></parameter><parameter><valueName>VTEC</valueName><value>/O.NEW.KBIS.SV.W.0269.260812T0146Z-260812T0245Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-11T21:45:00-05:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS:DESTRUCTIVE HAIL STORM in this area til 945 PM CDT. Take shelter now. Check media.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: SEVERE THUNDERSTORM WARNING in effect for this area until 9:45 PM CDT for DESTRUCTIVE baseball size hail. Take shelter in a sturdy building, away from windows. People and animals outdoors will be severely injured.</value></parameter><area><areaDesc>Emmons, ND; Sioux, ND</areaDesc><polygon>46.21,-101.11 46.36,-100.81 45.95,-100.28 45.94,-100.3 45.94,-101.0 46.21,-101.11</polygon><geocode><valueName>SAME</valueName><value>038029</value></geocode><geocode><valueName>SAME</valueName><value>038085</value></geocode><geocode><valueName>UGC</valueName><value>NDC029</value></geocode><geocode><valueName>UGC</valueName><value>NDC085</value></geocode></area></info><info><language>es-US</language><category>Met</category><event>Severe Thunderstorm Warning</event><responseType>Shelter</responseType><urgency>Immediate</urgency><severity>Severe</severity><certainty>Observed</certainty><eventCode><valueName>SAME</valueName><value>SVR</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>SVW</value></eventCode><effective>2026-08-11T20:46:00-05:00</effective><onset>2026-08-11T20:46:00-05:00</onset><expires>2026-08-11T21:45:00-05:00</expires><senderName>NWS Bismarck ND</senderName><headline>Severe Thunderstorm Warning issued August 11 at 8:46PM CDT until August 11 at 9:45PM CDT by NWS Bismarck ND</headline><description>SVRBIS

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
Southwestern Emmons County in south central North Dakota...
Eastern Sioux County in south central North Dakota...

* Until 945 PM CDT /845 PM MDT/.

* At 846 PM CDT /746 PM MDT/, a severe thunderstorm was located 13
miles north of Selfridge, or 33 miles west of Linton, moving
southeast at 30 mph.

THIS IS A DESTRUCTIVE STORM FOR NORTHERN SIOUX COUNTY.

HAZARD...Baseball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.

* Locations impacted include...
Fort Yates, Selfridge, Cattail Recreation Area and Standing Rock.
</description><instruction>Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm is capable of producing destructive
hail and damaging winds.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SVRBIS</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WUUS53 KBIS 120146</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-12T01:45:00Z...storm...323DEG...24KT...46.23,-100.92</value></parameter><parameter><valueName>windThreat</valueName><value>RADAR INDICATED</value></parameter><parameter><valueName>maxWindGust</valueName><value>60 MPH</value></parameter><parameter><valueName>hailThreat</valueName><value>RADAR INDICATED</value></parameter><parameter><valueName>maxHailSize</valueName><value>2.75</value></parameter><parameter><valueName>thunderstormDamageThreat</valueName><value>DESTRUCTIVE</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>EAS</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>NWEM</value></parameter><parameter><valueName>EAS-ORG</valueName><value>WXR</value></parameter><parameter><valueName>VTEC</valueName><value>/O.NEW.KBIS.SV.W.0269.260812T0146Z-260812T0245Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-11T21:45:00-05:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM:TORMENTA DE GRANIZO DESTRUCTIVA en esta area hasta 945 PM CDT. Tome refugio ahora</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>Servicio Nacional de Meteorologia: AVISO DE TORMENTA SEVERA en efecto para esta area hasta las 9:45 PM CDT por granizo DESTRUCTIVO del tamano de una pelota de beisbol. Tome refugio en un edificio, alejado de las ventanas. Las personas y los animales al aire libre seran gravemente heridos.</value></parameter><area><areaDesc>Emmons, ND; Sioux, ND</areaDesc><polygon>46.21,-101.11 46.36,-100.81 45.95,-100.28 45.94,-100.3 45.94,-101.0 46.21,-101.11</polygon><geocode><valueName>SAME</valueName><value>038029</value></geocode><geocode><valueName>SAME</valueName><value>038085</value></geocode><geocode><valueName>UGC</valueName><value>NDC029</value></geocode><geocode><valueName>UGC</valueName><value>NDC085</value></geocode></area></info><Signature xmlns="http://www.w3.org/2000/09/xmldsig#" xmlns:ns5="http://gov.fema.ipaws.services/IPAWS_CAPService/" xmlns:ns2="urn:oasis:names:tc:emergency:cap:1.2" xmlns:ns4="http://gov.fema.ipaws.services/capresponse" xmlns:ns3="http://gov.fema.ipaws.services/caprequest"><SignedInfo><CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><Reference URI=""><Transforms><Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/></Transforms><DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><DigestValue>JTbDiknpOpv7k9F97t0vP8QAvW7ndU9doqFoKmetyyU=</DigestValue></Reference></SignedInfo><SignatureValue>YijO6S6Anndc0cB+sXg98xgm/BMol9Ik/NBbqwbsrOWFyPZR0cjUy1C1rFx8Cy1MweSZ0jqnqXfQ&#13;
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