Alert archive / Puerto Rico / Flash Flood Warnings in 2017
Flash Flood Warning 23, NWS JSJ
NWS JSJ issued this flash flood warning at May 11, 2017, 3:42 PM CDT. It was in force for 2 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 11, 2017, 3:42 PM CDT (20:42 UTC)
- Expired
- May 11, 2017, 5:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 16 km from the middle of the area, began a volume at 20:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 3:50 PM CDT | FLASH FLOOD | San Lorenzo, PR | EMERGENCY MANAGERS REPORTED RIO LOIZA OUT OF ITS BANKS IN SAN LORENZO, ROAD 181 KM 9 IS IMPASSABLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The text
As transmitted.
408 WGCA52 TJSJ 112042 FFWSJU PRC025-063-129-112245- /O.NEW.TJSJ.FF.W.0023.170511T2042Z-170511T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Juan PR 442 PM AST THU MAY 11 2017 The National Weather Service in San Juan has issued a * Flash Flood Warning for... Gurabo Municipality in Puerto Rico... Caguas Municipality in Puerto Rico... San Lorenzo Municipality in Puerto Rico... * Until 645 PM AST * At 437 PM AST, U.S.G.S. River sensors and local emergency managers indicate that the Rio Grande de Loiza in San Lorenzo is out of its banks and flooding road 181. Additional flooding along the river is possible further downstream. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 1829 6600 1816 6594 1817 6603 1828 6603 $$ JJA
1 follow-up statement
717 WGCA72 TJSJ 112239 FFSSJU Flash Flood Statement National Weather Service San Juan PR 639 PM AST THU MAY 11 2017 PRC025-063-129-112248- /O.EXP.TJSJ.FF.W.0023.000000T0000Z-170511T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Gurabo PR-Caguas PR-San Lorenzo PR- 639 PM AST THU MAY 11 2017 ...THE FLASH FLOOD WARNING FOR GURABO...CAGUAS AND SAN LORENZO MUNICIPALITIES WILL EXPIRE AT 645 PM AST... U.S.G.S. River sensors indicate that the Rio Grande de Loiza is no longer over its flood stage, and no additional significant rainfall is expected. Therefore, flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 1829 6600 1816 6594 1817 6603 1828 6603 $$ JJA
The office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 8:35 PM CDT | Areal Flood Warning | JSJ | 12 hr | |
| May 11, 3:32 AM CDT | Flood Watch | JSJ | 35 min | |
| May 11, 3:45 AM CDT | Rip Current Statement | JSJ | 24 hr | |
| May 11, 4:07 AM CDT | Flash Flood Watch | JSJ | 13 hr | |
| May 11, 8:21 AM CDT | Areal Flood Advisory | JSJ | 54 min | |
| May 11, 12:42 PM CDT | Special Weather Statement | JSJ | 63 min | |
| May 11, 1:00 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| May 11, 1:27 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| May 11, 1:51 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| May 11, 1:58 PM CDT | Special Weather Statement | JSJ | 47 min | |
| May 11, 2:39 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| May 11, 3:19 PM CDT | Special Marine Warning | JSJ | 41 min | |
| May 11, 4:14 PM CDT | Flash Flood Warning | JSJ | 2 hr | |
| May 11, 4:39 PM CDT | Areal Flood Advisory | JSJ | 2 hr |
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; local storm reports from the same archive; radar from the NEXRAD Level II archive.