<alert><identifier>urn:oid:2.49.0.1.840.0.f08abb4f1a1c7cbdb45a320dee26e4384b00c687.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-17T15:30:00-06:00</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>2026-08-17T15:30:00-06:00</effective><onset>2026-08-17T15:30:00-06:00</onset><expires>2026-08-17T16:00:00-06:00</expires><senderName>NWS Rapid City SD</senderName><headline>Severe Thunderstorm Warning issued August 17 at 3:30PM MDT until August 17 at 4:00PM MDT by NWS Rapid City SD</headline><description>At 330 PM MDT, a severe thunderstorm was located near Dupree, moving
southeast at 35 mph.

THIS IS A DESTRUCTIVE STORM FOR DUPREE.

HAZARD...80 mph wind gusts and quarter size hail.

SOURCE...Automated observations.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.

Locations impacted include...
Dupree, Red Elm, South Eagle Butte, Intersection of Cherry Creek
and Sunnybrook Roads and western Cheyenne River Reservation.
</description><instruction>Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm has produced widespread destructive
winds and is capable of producing large hail.

This storm is producing large quantities of hail. Driving through
deep hail is like driving on slushy roads. Slow down and do not brake
suddenly.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SVSUNR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS53 KUNR 172130</value></parameter><parameter><valueName>NWSheadline</valueName><value>SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 4 PM MDT FOR CENTRAL ZIEBACH COUNTY</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-17T21:00:00Z...storm...300DEG...30KT...45.1,-101.88</value></parameter><parameter><valueName>windThreat</valueName><value>OBSERVED</value></parameter><parameter><valueName>maxWindGust</valueName><value>80 MPH</value></parameter><parameter><valueName>hailThreat</valueName><value>RADAR INDICATED</value></parameter><parameter><valueName>maxHailSize</valueName><value>1.00</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.CON.KUNR.SV.W.0296.000000T0000Z-260817T2200Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-17T16:00:00-06:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS:DESTRUCTIVE WIND STORM in this area til 400 PM MDT. Take shelter now. Check media.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: SEVERE THUNDERSTORM WARNING in effect for this area until 4:00 PM MDT for DESTRUCTIVE 80 mph winds. Take shelter in a sturdy building, away from windows. Flying debris may be deadly to those caught without shelter.</value></parameter><area><areaDesc>Ziebach, SD</areaDesc><polygon>44.9,-101.8 45.09,-101.79 45.16,-101.66 45.13,-101.49 45.04,-101.49 45.04,-101.5 44.99,-101.5 44.99,-101.2 44.7,-101.45 44.9,-101.8</polygon><geocode><valueName>SAME</valueName><value>046137</value></geocode><geocode><valueName>UGC</valueName><value>SDC137</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>2026-08-17T15:30:00-06:00</effective><onset>2026-08-17T15:30:00-06:00</onset><expires>2026-08-17T16:00:00-06:00</expires><senderName>NWS Rapid City SD</senderName><headline>Severe Thunderstorm Warning issued August 17 at 3:30PM MDT until August 17 at 4:00PM MDT by NWS Rapid City SD</headline><description>At 330 PM MDT, a severe thunderstorm was located near Dupree, moving
southeast at 35 mph.

THIS IS A DESTRUCTIVE STORM FOR DUPREE.

HAZARD...80 mph wind gusts and quarter size hail.

SOURCE...Automated observations.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.

Locations impacted include...
Dupree, Red Elm, South Eagle Butte, Intersection of Cherry Creek
and Sunnybrook Roads and western Cheyenne River Reservation.
</description><instruction>Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm has produced widespread destructive
winds and is capable of producing large hail.

This storm is producing large quantities of hail. Driving through
deep hail is like driving on slushy roads. Slow down and do not brake
suddenly.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SVSUNR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS53 KUNR 172130</value></parameter><parameter><valueName>NWSheadline</valueName><value>SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 4 PM MDT FOR CENTRAL ZIEBACH COUNTY</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-17T21:00:00Z...storm...300DEG...30KT...45.1,-101.88</value></parameter><parameter><valueName>windThreat</valueName><value>OBSERVED</value></parameter><parameter><valueName>maxWindGust</valueName><value>80 MPH</value></parameter><parameter><valueName>hailThreat</valueName><value>RADAR INDICATED</value></parameter><parameter><valueName>maxHailSize</valueName><value>1.00</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.CON.KUNR.SV.W.0296.000000T0000Z-260817T2200Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-17T16:00:00-06:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM:TORMENTA DE VIENTO DESTRUCTIVA en esta area hasta 400 PM MDT. 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 4:00 PM MDT por vientos DESTRUCTIVOS de 80 mph. Tome refugio en un edificio, alejado de las ventanas. Escombros arrastrados por el viento podrian ser mortales para aquellos que se encuentran sin refugio.</value></parameter><area><areaDesc>Ziebach, SD</areaDesc><polygon>44.9,-101.8 45.09,-101.79 45.16,-101.66 45.13,-101.49 45.04,-101.49 45.04,-101.5 44.99,-101.5 44.99,-101.2 44.7,-101.45 44.9,-101.8</polygon><geocode><valueName>SAME</valueName><value>046137</value></geocode><geocode><valueName>UGC</valueName><value>SDC137</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>E+Eq0cfePcTvpC7sG5snC7aU68C1UP8dHPgXvdvDwwE=</DigestValue></Reference></SignedInfo><SignatureValue>PTivMiBYQX3n2p0SaP7zmmvwYWMJEXtD7ekMFhMOyE22mOS86PV4tfSUv6hFMza4/M3R1H7bJdvX&#13;
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