<alert><identifier>urn:oid:2.49.0.1.840.0.143039dbb5a2f87ab170dc9a8ca7cf6dfc78824c.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-05-17T20:35:00-05:00</sent><status>Actual</status><msgType>Alert</msgType><scope>Public</scope><code>IPAWSv1.0</code><info><language>en-US</language><category>Met</category><event>Tornado Warning</event><responseType>Shelter</responseType><urgency>Immediate</urgency><severity>Extreme</severity><certainty>Observed</certainty><eventCode><valueName>SAME</valueName><value>TOR</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>TOW</value></eventCode><effective>2026-05-17T20:35:00-05:00</effective><onset>2026-05-17T20:35:00-05:00</onset><expires>2026-05-17T21:15:00-05:00</expires><senderName>NWS Des Moines IA</senderName><headline>Tornado Warning issued May 17 at 8:35PM CDT until May 17 at 9:15PM CDT by NWS Des Moines IA</headline><description>TORDMX

The National Weather Service in Des Moines has issued a

* Tornado Warning for...
Southern Pocahontas County in northwestern Iowa...
Northern Sac County in west central Iowa...
Northern Calhoun County in west central Iowa...

* Until 915 PM CDT.

* At 834 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Early, or 10 miles west of Sac City, moving east
at 55 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur.  Tree
damage is likely.

* This dangerous storm will be near...
Sac City, Early, and Nemaha around 840 PM CDT.
Pomeroy and Jolley around 900 PM CDT.
North Twin Lake, Twin Lakes, and Twin Lakes State Park around 905
PM CDT.
Manson around 910 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Palmer, Lytton, Twin Lakes, Twin Lakes State Park, Sac City Municipal
Airport, Nemaha, Pomeroy, Early, Schaller, and Jolley.
</description><instruction>TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>TORDMX</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WFUS53 KDMX 180135</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-05-18T01:34:00Z...storm...254DEG...47KT...42.44,-95.2</value></parameter><parameter><valueName>maxHailSize</valueName><value>Up to .75</value></parameter><parameter><valueName>tornadoDetection</valueName><value>RADAR INDICATED</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.KDMX.TO.W.0034.260518T0135Z-260518T0215Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-05-17T21:15:00-05:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: TORNADO WARNING in this area til 9:15 PM CDT. Take shelter now. Check media.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: TORNADO WARNING in this area until 9:15 PM CDT. Take shelter now in a basement or an interior room on the lowest floor of a sturdy building. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. Check media.</value></parameter><area><areaDesc>Calhoun, IA; Pocahontas, IA; Sac, IA</areaDesc><polygon>42.56,-95.19 42.56,-94.92 42.64,-94.92 42.74,-94.55 42.44,-94.47 42.33,-95.32 42.47,-95.32 42.48,-95.34 42.52,-95.34 42.56,-95.19</polygon><geocode><valueName>SAME</valueName><value>019025</value></geocode><geocode><valueName>SAME</valueName><value>019151</value></geocode><geocode><valueName>SAME</valueName><value>019161</value></geocode><geocode><valueName>UGC</valueName><value>IAC025</value></geocode><geocode><valueName>UGC</valueName><value>IAC151</value></geocode><geocode><valueName>UGC</valueName><value>IAC161</value></geocode></area></info><info><language>es-US</language><category>Met</category><event>Tornado Warning</event><responseType>Shelter</responseType><urgency>Immediate</urgency><severity>Extreme</severity><certainty>Observed</certainty><eventCode><valueName>SAME</valueName><value>TOR</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>TOW</value></eventCode><effective>2026-05-17T20:35:00-05:00</effective><onset>2026-05-17T20:35:00-05:00</onset><expires>2026-05-17T21:15:00-05:00</expires><senderName>NWS Des Moines IA</senderName><headline>Tornado Warning issued May 17 at 8:35PM CDT until May 17 at 9:15PM CDT by NWS Des Moines IA</headline><description>TORDMX

The National Weather Service in Des Moines has issued a

* Tornado Warning for...
Southern Pocahontas County in northwestern Iowa...
Northern Sac County in west central Iowa...
Northern Calhoun County in west central Iowa...

* Until 915 PM CDT.

* At 834 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Early, or 10 miles west of Sac City, moving east
at 55 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur.  Tree
damage is likely.

* This dangerous storm will be near...
Sac City, Early, and Nemaha around 840 PM CDT.
Pomeroy and Jolley around 900 PM CDT.
North Twin Lake, Twin Lakes, and Twin Lakes State Park around 905
PM CDT.
Manson around 910 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Palmer, Lytton, Twin Lakes, Twin Lakes State Park, Sac City Municipal
Airport, Nemaha, Pomeroy, Early, Schaller, and Jolley.
</description><instruction>TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>TORDMX</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WFUS53 KDMX 180135</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-05-18T01:34:00Z...storm...254DEG...47KT...42.44,-95.2</value></parameter><parameter><valueName>maxHailSize</valueName><value>Up to .75</value></parameter><parameter><valueName>tornadoDetection</valueName><value>RADAR INDICATED</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.KDMX.TO.W.0034.260518T0135Z-260518T0215Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-05-17T21:15:00-05:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM:AVISO DE TORNADO hasta las 9:15 PM CDT. Refugiese ahora. Consulte medios informativos</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>Servicio Nacional de Meteorologia: AVISO DE TORNADO en efecto hasta las 9:15 PM CDT. Busque refugio ahora en un sotano o en el interior de un cuarto en el nivel mas bajo de un edificio seguro. Si esta al aire libre, en una casa movil, o en un vehiculo, debe ir al edificio seguro mas cercano y protegerse de proyectiles. Consulte los medios informativos.</value></parameter><area><areaDesc>Calhoun, IA; Pocahontas, IA; Sac, IA</areaDesc><polygon>42.56,-95.19 42.56,-94.92 42.64,-94.92 42.74,-94.55 42.44,-94.47 42.33,-95.32 42.47,-95.32 42.48,-95.34 42.52,-95.34 42.56,-95.19</polygon><geocode><valueName>SAME</valueName><value>019025</value></geocode><geocode><valueName>SAME</valueName><value>019151</value></geocode><geocode><valueName>SAME</valueName><value>019161</value></geocode><geocode><valueName>UGC</valueName><value>IAC025</value></geocode><geocode><valueName>UGC</valueName><value>IAC151</value></geocode><geocode><valueName>UGC</valueName><value>IAC161</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>xrjBr79FL8JvMIU74fbRGsnyt3XZNNwHrpV1bKX7F8Q=</DigestValue></Reference></SignedInfo><SignatureValue>Dq6/2WzFU9IHEIG46becxZjt4uUkR+TPAE+MpoGaqtXWu+Um6qpeeBku83HwFrS+d9R+qT9rPK8P&#13;
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