<alert><identifier>urn:oid:2.49.0.1.840.0.d699fbf0378ac1eedd912ed8beef1a78f2e284f9.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-22T19:23:00-04:00</sent><status>Actual</status><msgType>Update</msgType><source>211803 v2.3.0</source><scope>Public</scope><code>IPAWSv1.0</code><references>w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0ebc15dc22c8cb0c1ee568155b8aeb60ffe8bbdf.001.1.IPAWS,2026-08-22T18:03:00-04:00</references><info><language>en-US</language><category>Met</category><event>Flash Flood Warning</event><responseType>Avoid</responseType><urgency>Immediate</urgency><severity>Severe</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>FFW</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>FFW</value></eventCode><effective>2026-08-22T19:23:00-04:00</effective><onset>2026-08-22T19:23:00-04:00</onset><expires>2026-08-22T21:00:00-04:00</expires><senderName>NWS Charleston SC</senderName><headline>Flash Flood Warning issued August 22 at 7:23PM EDT until August 22 at 9:00PM EDT by NWS Charleston SC</headline><description>FFWCHS

The National Weather Service in Charleston has extended the

* Flash Flood Warning for...
Berkeley County in southeastern South Carolina...
Charleston County in southeastern South Carolina...
Dorchester County in southeastern South Carolina...

* Until 900 PM EDT.

* At 723 PM EDT, Doppler radar indicated rain was quickly ending
across the North Charleston Area. Emergency officials and local
media report flash flooding is still ongoing with some road
closures. Water was reported to be in some homes. While additional
flash flooding is unlikely in the near term, hazardous conditions
continue. Another area of showers and thunderstorms northwest of
Walterboro could move into the area later this evening.

HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.

SOURCE...Emergency management reported.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
North Charleston, Summerville, Goose Creek, Hanahan, I-26/I-526
Interchange, Naval Weapons Station Charleston, Ladson, Daniel
Island, Charleston Airport and Magnolia Gardens.

This includes the following highways...
I-26 between mile markers 206 and 214. I-526 between mile markers 18
and 21.
</description><instruction>Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Report flooding directly to the Charleston National Weather Service
at 1-888-383-2024 or email your reports to nws.charlestonsc@noaa.gov.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWCHS</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS52 KCHS 222323</value></parameter><parameter><valueName>flashFloodDetection</valueName><value>OBSERVED</value></parameter><parameter><valueName>flashFloodDamageThreat</valueName><value>CONSIDERABLE</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.EXT.KCHS.FF.W.0014.000000T0000Z-260823T0100Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-22T21:00:00-04:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: FLASH FLOOD WARNING this area til 9:00 PM EDT. Avoid flooded areas.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 9:00 PM EDT. This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order.</value></parameter><area><areaDesc>Berkeley, SC; Charleston, SC; Dorchester, SC</areaDesc><polygon>32.89,-80.14 32.97,-80.16 33.0,-80.04 33.0,-80.03 33.02,-79.96 32.91,-79.9 32.85,-80.13 32.89,-80.14</polygon><geocode><valueName>SAME</valueName><value>045015</value></geocode><geocode><valueName>SAME</valueName><value>045019</value></geocode><geocode><valueName>SAME</valueName><value>045035</value></geocode><geocode><valueName>UGC</valueName><value>SCC015</value></geocode><geocode><valueName>UGC</valueName><value>SCC019</value></geocode><geocode><valueName>UGC</valueName><value>SCC035</value></geocode></area></info><info><language>es-US</language><category>Met</category><event>Flash Flood Warning</event><responseType>Avoid</responseType><urgency>Immediate</urgency><severity>Severe</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>FFW</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>FFW</value></eventCode><effective>2026-08-22T19:23:00-04:00</effective><onset>2026-08-22T19:23:00-04:00</onset><expires>2026-08-22T21:00:00-04:00</expires><senderName>NWS Charleston SC</senderName><headline>Flash Flood Warning issued August 22 at 7:23PM EDT until August 22 at 9:00PM EDT by NWS Charleston SC</headline><description>FFWCHS

The National Weather Service in Charleston has extended the

* Flash Flood Warning for...
Berkeley County in southeastern South Carolina...
Charleston County in southeastern South Carolina...
Dorchester County in southeastern South Carolina...

* Until 900 PM EDT.

* At 723 PM EDT, Doppler radar indicated rain was quickly ending
across the North Charleston Area. Emergency officials and local
media report flash flooding is still ongoing with some road
closures. Water was reported to be in some homes. While additional
flash flooding is unlikely in the near term, hazardous conditions
continue. Another area of showers and thunderstorms northwest of
Walterboro could move into the area later this evening.

HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.

SOURCE...Emergency management reported.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
North Charleston, Summerville, Goose Creek, Hanahan, I-26/I-526
Interchange, Naval Weapons Station Charleston, Ladson, Daniel
Island, Charleston Airport and Magnolia Gardens.

This includes the following highways...
I-26 between mile markers 206 and 214. I-526 between mile markers 18
and 21.
</description><instruction>Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Report flooding directly to the Charleston National Weather Service
at 1-888-383-2024 or email your reports to nws.charlestonsc@noaa.gov.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWCHS</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS52 KCHS 222323</value></parameter><parameter><valueName>flashFloodDetection</valueName><value>OBSERVED</value></parameter><parameter><valueName>flashFloodDamageThreat</valueName><value>CONSIDERABLE</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.EXT.KCHS.FF.W.0014.000000T0000Z-260823T0100Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-22T21:00:00-04:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE INUNDACIONES REPENTINAS hasta 9:00 PM EDT. Evite areas inundadas.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 9:00 PM EDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.</value></parameter><area><areaDesc>Berkeley, SC; Charleston, SC; Dorchester, SC</areaDesc><polygon>32.89,-80.14 32.97,-80.16 33.0,-80.04 33.0,-80.03 33.02,-79.96 32.91,-79.9 32.85,-80.13 32.89,-80.14</polygon><geocode><valueName>SAME</valueName><value>045015</value></geocode><geocode><valueName>SAME</valueName><value>045019</value></geocode><geocode><valueName>SAME</valueName><value>045035</value></geocode><geocode><valueName>UGC</valueName><value>SCC015</value></geocode><geocode><valueName>UGC</valueName><value>SCC019</value></geocode><geocode><valueName>UGC</valueName><value>SCC035</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>dZe/yOOITfuwXNHWMDCLbLYXHTebnDqqxRsqFBX3yMM=</DigestValue></Reference></SignedInfo><SignatureValue>KFp3Ea12dWSru0a2dnx2Ag6VqaxcD0jkYKm8C20mkEMqPRyZ84PsxHNzOk/sSMpozF0ielx9jXBp&#13;
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