Flash Flood Warning
NWS San Juan PR ยท US
Details
Flash Flood Warning Issued November 9 At 3:27PM AST Until November 9 At 5:30PM AST By NWS San Juan PR
- Event
- Flash Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Northeastern Aguas Buenas in Puerto Rico... Northeastern Caguas in Puerto Rico... Guaynabo in Puerto Rico... Southern San Juan in Puerto Rico... Western Trujillo Alto in Puerto Rico... * Until 530 PM AST. * At 327 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
Hazard
Flash flooding caused by thunderstorms.
Source
Radar indicated.
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.
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
- ~25s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M70WF5J93PSP6K974HSAM6S6
- Identifier
- urn:oid:2.49.0.1.840.0.d5b6de696b58552f0d69a49491a8acc123546495.001.1
- 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.5597
- WMO heading
- XOCA52
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- Caribbean and Central America (CA)
- WMO bulletin number
- 52
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWSJU |
| WMOidentifier | WGCA52 TJSJ 091927 |
| flashFloodDetection | RADAR INDICATED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.TJSJ.FF.W.0041.261109T1927Z-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