<alert><identifier>urn:oid:2.49.0.1.840.0.a30a286558c860508d5d5c218de19643ba2d44b4.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-11T22:38:00-06:00</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>2026-08-11T22:38:00-06:00</effective><onset>2026-08-11T22:38:00-06:00</onset><expires>2026-08-11T23:30:00-06:00</expires><senderName>NWS Rapid City SD</senderName><headline>Severe Thunderstorm Warning issued August 11 at 10:38PM MDT until August 11 at 11:30PM MDT by NWS Rapid City SD</headline><description>At 1038 PM MDT /1138 PM CDT/, severe thunderstorms were located along
a line from over Intersection of Highway 83 and White River to 9
miles southwest of Norris, or along a line from 9 miles north of
White River to 26 miles northeast of Martin, moving southeast at 40
mph.

THESE ARE DESTRUCTIVE STORMS FOR CEDAR BUTTE, WHITE RIVER.

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...
Mission, White River, Rosebud, Saint Francis, Parmelee, Okreek,
Spring Creek, Long Valley, Norris, Wood, Cedar Butte, Mosher, Upper
Cut Meat, Horse Creek, Swift Bear, Soldier Creek, Ring Thunder,
Fairgrounds Housing, He Dog and Antelope.

This includes Interstate 90 in South Dakota between Mile Markers 171
and 174.
</description><instruction>Seek shelter now inside an interior room on the lowest floor of a
well-built structure. These storms have produced widespread
destructive winds and are capable of producing large hail.

Continuous cloud to ground lightning is occurring with these storms.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SVSUNR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS53 KUNR 120438</value></parameter><parameter><valueName>NWSheadline</valueName><value>SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM MDT /1230 AM CDT/ FOR MELLETTE, NORTHWESTERN TODD, NORTHWESTERN TRIPP, NORTHEASTERN BENNETT AND SOUTHEASTERN JACKSON COUNTIES</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-12T04:29:00Z...storm...296DEG...32KT...43.72,-100.78 43.53,-100.99 43.4,-101.39</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.0274.000000T0000Z-260812T0530Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-11T23:30:00-06:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS:DESTRUCTIVE WIND STORM in this area til 1130 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 11:30 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>Bennett, SD; Jackson, SD; Mellette, SD; Todd, SD; Tripp, SD</areaDesc><polygon>43.46,-101.73 43.94,-101.06 43.84,-101.06 43.82,-100.95 43.81,-100.96 43.83,-100.93 43.71,-100.74 43.71,-100.73 43.72,-100.74 43.71,-100.68 43.77,-100.59 43.73,-100.47 43.72,-100.47 43.74,-100.37 43.7,-100.29 43.7,-100.14 43.63,-99.9 43.28,-100.38 43.05,-100.93 43.46,-101.73</polygon><geocode><valueName>SAME</valueName><value>046007</value></geocode><geocode><valueName>SAME</valueName><value>046071</value></geocode><geocode><valueName>SAME</valueName><value>046095</value></geocode><geocode><valueName>SAME</valueName><value>046121</value></geocode><geocode><valueName>SAME</valueName><value>046123</value></geocode><geocode><valueName>UGC</valueName><value>SDC007</value></geocode><geocode><valueName>UGC</valueName><value>SDC071</value></geocode><geocode><valueName>UGC</valueName><value>SDC095</value></geocode><geocode><valueName>UGC</valueName><value>SDC121</value></geocode><geocode><valueName>UGC</valueName><value>SDC123</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>2026-08-11T22:38:00-06:00</effective><onset>2026-08-11T22:38:00-06:00</onset><expires>2026-08-11T23:30:00-06:00</expires><senderName>NWS Rapid City SD</senderName><headline>Severe Thunderstorm Warning issued August 11 at 10:38PM MDT until August 11 at 11:30PM MDT by NWS Rapid City SD</headline><description>At 1038 PM MDT /1138 PM CDT/, severe thunderstorms were located along
a line from over Intersection of Highway 83 and White River to 9
miles southwest of Norris, or along a line from 9 miles north of
White River to 26 miles northeast of Martin, moving southeast at 40
mph.

THESE ARE DESTRUCTIVE STORMS FOR CEDAR BUTTE, WHITE RIVER.

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...
Mission, White River, Rosebud, Saint Francis, Parmelee, Okreek,
Spring Creek, Long Valley, Norris, Wood, Cedar Butte, Mosher, Upper
Cut Meat, Horse Creek, Swift Bear, Soldier Creek, Ring Thunder,
Fairgrounds Housing, He Dog and Antelope.

This includes Interstate 90 in South Dakota between Mile Markers 171
and 174.
</description><instruction>Seek shelter now inside an interior room on the lowest floor of a
well-built structure. These storms have produced widespread
destructive winds and are capable of producing large hail.

Continuous cloud to ground lightning is occurring with these storms.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SVSUNR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS53 KUNR 120438</value></parameter><parameter><valueName>NWSheadline</valueName><value>SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM MDT /1230 AM CDT/ FOR MELLETTE, NORTHWESTERN TODD, NORTHWESTERN TRIPP, NORTHEASTERN BENNETT AND SOUTHEASTERN JACKSON COUNTIES</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-12T04:29:00Z...storm...296DEG...32KT...43.72,-100.78 43.53,-100.99 43.4,-101.39</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.0274.000000T0000Z-260812T0530Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-11T23:30:00-06:00</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 1130 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 11:30 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>Bennett, SD; Jackson, SD; Mellette, SD; Todd, SD; Tripp, SD</areaDesc><polygon>43.46,-101.73 43.94,-101.06 43.84,-101.06 43.82,-100.95 43.81,-100.96 43.83,-100.93 43.71,-100.74 43.71,-100.73 43.72,-100.74 43.71,-100.68 43.77,-100.59 43.73,-100.47 43.72,-100.47 43.74,-100.37 43.7,-100.29 43.7,-100.14 43.63,-99.9 43.28,-100.38 43.05,-100.93 43.46,-101.73</polygon><geocode><valueName>SAME</valueName><value>046007</value></geocode><geocode><valueName>SAME</valueName><value>046071</value></geocode><geocode><valueName>SAME</valueName><value>046095</value></geocode><geocode><valueName>SAME</valueName><value>046121</value></geocode><geocode><valueName>SAME</valueName><value>046123</value></geocode><geocode><valueName>UGC</valueName><value>SDC007</value></geocode><geocode><valueName>UGC</valueName><value>SDC071</value></geocode><geocode><valueName>UGC</valueName><value>SDC095</value></geocode><geocode><valueName>UGC</valueName><value>SDC121</value></geocode><geocode><valueName>UGC</valueName><value>SDC123</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>HeqVnzwbACDAz+TZSybx8vHPI4Y5ct7dA1PElqpPNlo=</DigestValue></Reference></SignedInfo><SignatureValue>WBA3Kgls7f/kjnI9hBdGVXGy4WeQtl6j7DusljWsdOpZxzvznSJts9Rv9w3HssJ35yptt0YkqAPL&#13;
quQn6n3z7epoHKmbpuunSIE6KMOQ3NfB7SDzoJqywsGcvxBKhSEnH2CtF3BLlMzaGoS2peO8Dt4z&#13;
MewhuaaOjiM/pfwgEMcH0AAv5Y75NeOJFTtPDrnJWlAPdxpX7nmrx7L0SZCeS9eMNT9cUx+LqVFk&#13;
ygzrP99S8DvCij93ITxjTKHvBD+w+AflIpnFcuS51bkslv4XXHQjqo0hH+kxS/f11IUsU1hN6UMk&#13;
tehw6+JJKHGSEVS2wtaGG4HwbsC+DE1gIzGZIg==</SignatureValue><KeyInfo><X509Data><X509SubjectName>CN=IPAWSOPEN200032,OU=A01410D0000019A5E4549540014DF2C,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=US</X509SubjectName><X509Certificate>MIIHPzCCBSegAwIBAgIQQAGaXkVJb3yj70Q8FAqMbzANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQG&#13;
EwJVUzESMBAGA1UEChMJSWRlblRydXN0MSAwHgYDVQQLExdJZGVuVHJ1c3QgR2xvYmFsIENvbW1v&#13;
bjEYMBYGA1UEAxMPSUdDIERldmljZSBDQSAyMB4XDTI1MTEwNzEyMjMxMFoXDTI4MTEwNjEyMjIx&#13;
MFowgaUxCzAJBgNVBAYTAlVTMRMwEQYDVQQKEwpGRU1BIElQQVdTMSUwIwYDVQQLExxOYXRpb25h&#13;
bCBDb250aW51aXR5IFByb2dyYW1zMRYwFAYDVQQLEw1EZXZpY2VzIElQQVdTMSgwJgYDVQQLEx9B&#13;
MDE0MTBEMDAwMDAxOUE1RTQ1NDk1NDAwMTRERjJDMRgwFgYDVQQDEw9JUEFXU09QRU4yMDAwMzIw&#13;
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCOdhA5DPitMFp6DUbiQZi/anJ6L9qtPrRz&#13;
gZksP2aOSve50875b4yi2eMv2caKpF+lxtbmzxdZjRuV55TnCkn7HaaLpi+7nFP4aDB9DDw/Gnop&#13;
65nNzLvZ7MXpCC3ikJk09iSgwVaw6RGte9X2WyUoPaEmygjv1lsVx+JGohgvPxTtiZhQJyxkxbM5&#13;
rR2MAC5VjsrZNu3idfvd1B0EEGM1cVU9jpVuyiWK53k+vPuSOH/UWMXezzrBEwjtw1SMVv2/dxKz&#13;
79gaITMmF6z5QqDFV0cstzmyEZWhyoavCpXW4W+vU+FLO0IgXINzY34IsnFQ/cqGEJ6MtC63uM8f&#13;
2L7dAgMBAAGjggKwMIICrDAOBgNVHQ8BAf8EBAMCBaAwfQYIKwYBBQUHAQEEcTBvMCkGCCsGAQUF&#13;
BzABhh1odHRwOi8vaWdjLm9jc3AuaWRlbnRydXN0LmNvbTBCBggrBgEFBQcwAoY2aHR0cDovL3Zh&#13;
bGlkYXRpb24uaWRlbnRydXN0LmNvbS9jZXJ0cy9pZ2NkZXZpY2VjYTIucDdjMB8GA1UdIwQYMBaA&#13;
FD+LR65hHetlI5XEOi3tu0jVIykiMIIBQwYDVR0gBIIBOjCCATYwDQYLYIZIAYb5LwBkJQEwggEj&#13;
BgtghkgBhvkvAGQmATCCARIwSwYIKwYBBQUHAgEWP2h0dHBzOi8vc2VjdXJlLmlkZW50cnVzdC5j&#13;
b20vY2VydGlmaWNhdGVzL3BvbGljeS9JR0MvaW5kZXguaHRtbDCBwgYIKwYBBQUHAgIwgbUMgbJD&#13;
ZXJ0aWZpY2F0ZSB1c2UgcmVzdHJpY3RlZCB0byBSZWx5aW5nIFBhcnR5KHMpIGluIGFjY29yZGFu&#13;
Y2Ugd2l0aCBJR0MtQ1AgKHNlZSBodHRwczovL3NlY3VyZS5pZGVudHJ1c3QuY29tL2NlcnRpZmlj&#13;
YXRlcy9wb2xpY3kvaWdjL2luZGV4Lmh0bWwpLiBJR0MtQ1BTIGluY29ycG9yYXRlZCBieSByZWZl&#13;
cmVuY2UuMEUGA1UdHwQ+MDwwOqA4oDaGNGh0dHA6Ly92YWxpZGF0aW9uLmlkZW50cnVzdC5jb20v&#13;
Y3JsL2lnY2RldmljZWNhMi5jcmwwGgYDVR0RBBMwEYIPSVBBV1NPUEVOMjAwMDMyMB0GA1UdDgQW&#13;
BBQ8QhNU0KQ6GUEOz5peBrNTppU+fDAxBgNVHSUEKjAoBggrBgEFBQcDAgYIKwYBBQUHAwUGCCsG&#13;
AQUFBwMGBggrBgEFBQcDBzANBgkqhkiG9w0BAQsFAAOCAgEAXiYe+0catdoGF4nXiIoyywVkVTaG&#13;
BacaUIjTceAJv35LhC5gwAM+O3OudKQQbMeIzOcjJluFc4vFjmzL/DxLLKk6IVVZQ+MXO8O5UZ6e&#13;
0hSwQv3mO+9JkCYL7M/GIJwiq6XuEiLS7wESwnHq2tIppZNfpcZcMSlQC+4hoUPJuVNU7QVFtvXe&#13;
6FaB/zDMTU3pzOuCxn/SNIhBKHVesE8n5soIp5q8U/R/I9vYM52NISzZcYPGUp6Snyd9mVqmxAo+&#13;
t3pAgsojLOrSBPLQoPoip/KeKCMahrumQuaHi6t3ML6IlCIuOeNnHEaxnUIWGD7kAswOKsqGGjMN&#13;
JwXw6TeqrddvCg8Nd0SH7mWI/vjOq/ykZs2q6lB3b/5ur7YjGOdT3310R0VhZ8pxuyUTrR6EFlFR&#13;
PkWhg46BaEiP1GtzmEW7wT0YStf4wvwDR3HkjpzNoBO92+iwhVHPKyl7T4METnDyTAD+aDn/Xtp/&#13;
pZePlh9uOkCqS7NOm6B4Hjra/iL3BQG2gwcE6XOzbETH6/ibKwMroFDAgqe8AA6xdmcajHBf7/wA&#13;
maMrAQmgbINPpZWjMo3wf2IccUTVHxLaZj+yQZcWMuX9R2H84eTo/CfqmG1RyxcqO0Nd1BS8i8Ii&#13;
YnCXXUlXkpl0xFj1R1xiGv8bd4l5AGjorijY2Wnub1m4Y4k=</X509Certificate></X509Data></KeyInfo></Signature></alert>