Alert archive / Puerto Rico / Flash Flood Warnings in 2017
Flash Flood Warning 21, NWS JSJ
NWS JSJ issued this flash flood warning at May 9, 2017, 2:48 PM CDT. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 9, 2017, 2:48 PM CDT (19:48 UTC)
- Expired
- May 9, 2017, 5:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 17 km from the middle of the area, began a volume at 19:48 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The text
As transmitted.
874
WGCA52 TJSJ 091948 CCA
FFWSJU
PRC025-063-077-129-139-092245-
/O.NEW.TJSJ.FF.W.0021.170509T1948Z-170509T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
348 PM AST TUE MAY 9 2017
The National Weather Service in San Juan has issued a
* Flash Flood Warning for...
Trujillo Alto Municipality in Puerto Rico...
Gurabo Municipality in Puerto Rico...
Caguas Municipality in Puerto Rico...
Juncos Municipality in Puerto Rico...
San Lorenzo Municipality in Puerto Rico...
* Until 645 PM AST
* At 341 PM AST, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rainS across the warned area. So far
two inches or more have already fallen and additional amounts of
an inch or more will remain possible. Flash Flooding from
excessive runoff might be occurring or is expected to begin
shortly.
* Some locations that will experience flooding include...
Gurabo, San Lorenzo, Caguas, Trujillo Alto, Celada and Jagual.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 1831 6596 1817 6593 1814 6600 1816 6605
1836 6599
$$
RAM/JFR/ICP/RVTThe office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 9:58 AM CDT | Special Marine Warning | JSJ | 62 min | |
| May 9, 11:02 AM CDT | Special Marine Warning | JSJ | 88 min | |
| May 9, 11:08 AM CDT | Areal Flood Advisory | JSJ | 6 hr | |
| May 9, 11:12 AM CDT | Areal Flood Advisory | JSJ | 7 hr | |
| May 9, 11:28 AM CDT | Areal Flood Advisory | JSJ | 6 hr | |
| May 9, 12:08 PM CDT | Flash Flood Warning | JSJ | 2 hr | |
| May 9, 12:30 PM CDT | Special Marine Warning | JSJ | 90 min | |
| May 9, 12:49 PM CDT | Areal Flood Advisory | JSJ | 6 hr | |
| May 9, 1:48 PM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| May 9, 1:54 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| May 9, 2:08 PM CDT | Special Marine Warning | JSJ | 82 min | |
| May 9, 2:46 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| May 9, 3:50 PM CDT | Areal Flood Advisory | JSJ | 115 min | |
| May 9, 4:07 PM CDT | Areal Flood Advisory | JSJ | 113 min | |
| May 9, 5:11 PM CDT | Areal Flood Warning | JSJ | 3 hr | |
| May 9, 5:12 PM CDT | Areal Flood Advisory | JSJ | 48 min |
Nearby
Flash Flood Warnings in Puerto Rico, 2017Every flash flood warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.