Flash Flood Warning
NWS San Juan PR ยท US
Details
Flash Flood Warning Remains In Effect Until 530 PM AST This Afternoon For Northeastern Aguas Buenas, Northeastern Caguas, Guaynabo, Southern San Juan And Western Trujillo Alto
- Event
- Flash Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
At 454 PM AST, emergency management reported flooding waters along Avenida Shuford in Caguas and landslides along PR-156 in Aguas Buenas. Additionally, the USGS river gauge at Rio Canas in Caguas reported 18.15 feet, reaching minor flooding stage. Between 2.5 and 4.5 inches of rain have fallen. Flash flooding is already occurring. Although heavy rain has diminished, excess runoff persist and could result in additional flooding.
Hazard
Flash flooding caused by thunderstorms.
Source
Emergency management reported.
Impacts
Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... San Juan, Aguas Buenas, Trujillo Alto, Guaynabo, Caguas and Bairoa. Avenida Shuford in Caguas
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. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Affected areas
- Aguas Buenas Municipio, PR
- Caguas Municipio, PR
- Guaynabo Municipio, PR
- San Juan Municipio, PR
- Trujillo Alto Municipio, PR
Public contact
- Issuer
- NWS San Juan PR
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~22s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M711EBSCPC63F49AE1ZY3RS0
- Identifier
- urn:oid:2.49.0.1.840.0.ac51905ab28bacb339e3c7464b550d3877db437a.001.1
- Sender
- [email protected]
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS San Juan PR
- AWIPS ID
- CAPSJU
- NWWS sequence
- nwws_processor.7665
- WMO heading
- XOCA52
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- Caribbean and Central America (CA)
- WMO bulletin number
- 52
References
- Sender
- [email protected]
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | FFS |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFSSJU |
| WMOidentifier | WGCA72 TJSJ 092054 |
| NWSheadline | FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM AST THIS AFTERNOON FOR NORTHEASTERN AGUAS BUENAS, NORTHEASTERN CAGUAS, GUAYNABO, SOUTHERN SAN JUAN AND WESTERN TRUJILLO ALTO |
| flashFloodDetection | OBSERVED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.CON.TJSJ.FF.W.0041.000000T0000Z-261109T2130Z/ |
| eventEndingTime | 2026-11-09T17:30:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Aguas Buenas Municipio, PR
- Caguas Municipio, PR
- Guaynabo Municipio, PR
- San Juan Municipio, PR
- Trujillo Alto Municipio, PR
| Name | Value |
|---|---|
| SAME | 072007 |
| SAME | 072025 |
| SAME | 072061 |
| SAME | 072127 |
| SAME | 072139 |
| UGC | PRC007 |
| UGC | PRC025 |
| UGC | PRC061 |
| UGC | PRC127 |
| UGC | PRC139 |
- Polygons
- 18.28,-66.15 18.28,-66.14 18.31,-66.14 18.31,-66.13 18.32,-66.14 18.33,-66.14 18.34,-66.13 18.36,-66.14 18.4,-66.1 18.39,-66.02 18.31,-66.01 18.3,-66.03 18.29,-66.03 18.28,-66.01 18.24,-66.01 18.22,-66.04 18.23,-66.1 18.26,-66.15 18.28,-66.15