Flash Flood Warning
N
Issued by NWS San Juan PR
⏳ In force until Mon 19 Oct, 23:15 📍 Carolina, PR; Guaynabo, PR; San Juan, PR; Trujillo Alto, PR (approximate) 🕑 6 h ago
FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Northern Carolina in Puerto Rico... Northern Guaynabo in Puerto Rico... San Juan in Puerto Rico... Trujillo Alto in Puerto Rico... * Until 415 PM AST. * At 128 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rai…
🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeveritySevere
⏱
UrgencyImmediate
❓
CertaintyLikely
EventFlash Flood Warning
Response typeAvoid
CategoryMet
Affected areaCarolina, PR; Guaynabo, PR; San Juan, PR; Trujillo Alto, PR
Issuing authorityNWS San Juan PR
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-19T13:28:00-04:00
Effective2026-10-19T13:28:00-04:00
Onset2026-10-19T13:28:00-04:00
Expires2026-10-19T16:15:00-04:00
📋 Official instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.12896c7841cc2a25b996930748abf73f55a0d25d.001.1
Message typeAlert
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesNot supplied
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
- Avoid flooded roads, rivers and drainage channels; do not walk or drive through moving water.
- Move valuables and people to higher ground if water is rising near you.
- Follow local authority and Red Cross updates for the area.
📰 Story summary
From the report shown in the feed:
- FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for...
- Northern Carolina in Puerto Rico...
- Northern Guaynabo in Puerto Rico...
- San Juan in Puerto Rico...
- Trujillo Alto in Puerto Rico...
- * Until 415 PM AST.
- * At 128 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area.
- Between 1 and 2 inches of rain have fallen.
- Additional rai…
ⓘ News summary · read the original report for full context.
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