Alert archive / Puerto Rico / Flash Flood Warnings in 2017
Flash Flood Warning 92, NWS JSJ
NWS JSJ issued this flash flood warning at Sep 20, 2017, 10:40 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
- Sep 20, 2017, 10:40 PM CDT (03:40 UTC)
- Expired
- Sep 21, 2017, 1:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Emergency
- Flash flood emergency
- Flood severity
- None
The text
As transmitted.
567
WGCA52 TJSJ 210340
FFWSJU
PRC001-003-005-011-013-023-027-065-067-071-081-083-093-097-099-115-
117-121-125-131-141-153-210645-
/O.NEW.TJSJ.FF.W.0092.170921T0340Z-170921T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
1140 PM AST WED SEP 20 2017
...FLASH FLOOD EMERGENCY FOR MUCH OF NORTHWEST AND WESTERN INTERIOR
PUERTO RICO INCLUDING MAYAGUEZ AND AGUADILLA...
The National Weather Service in San Juan has issued a
* Flash Flood Warning for...
Northwestern Sabana Grande Municipality in Puerto Rico...
Las Marias Municipality in Puerto Rico...
Lares Municipality in Puerto Rico...
San Sebastian Municipality in Puerto Rico...
West central Arecibo Municipality in Puerto Rico...
Isabela Municipality in Puerto Rico...
West central Adjuntas Municipality in Puerto Rico...
Hormigueros Municipality in Puerto Rico...
Moca Municipality in Puerto Rico...
Northwestern Yauco Municipality in Puerto Rico...
Quebradillas Municipality in Puerto Rico...
Anasco Municipality in Puerto Rico...
Northern Cabo Rojo Municipality in Puerto Rico...
Camuy Municipality in Puerto Rico...
Maricao Municipality in Puerto Rico...
Mayaguez Municipality in Puerto Rico...
Rincon Municipality in Puerto Rico...
San German Municipality in Puerto Rico...
Hatillo Municipality in Puerto Rico...
West central Utuado Municipality in Puerto Rico...
Aguada Municipality in Puerto Rico...
Aguadilla Municipality in Puerto Rico...
* Until 245 AM AST
* At 1137 PM AST, satellite estimates and rain gauges indicated heavy
rain falling across the warned area. Flash flooding is already
occurring.
This is a FLASH FLOOD EMERGENCY. This is a PARTICULARLY DANGEROUS
SITUATION. SEEK HIGHER GROUND NOW!
* Some locations that will experience flooding include...
Arecibo, Aguadilla, Aguada, Moca, Anasco, Camuy, Quebradillas,
Hormigueros, San Sebastian, Las Marias, Cabo Rojo, Isabela,
Mayaguez, San German, Lares, Hatillo, Rincon, Sabana Grande, Puerto
Real and La Playa.
Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
Move to higher ground now. Act quickly to protect your life.
&&
LAT...LON 1852 6696 1849 6676 1833 6677 1832 6682
1818 6683 1814 6686 1815 6696 1809 6698
1808 6700 1807 6722 1817 6720 1821 6717
1837 6727 1841 6718 1849 6718 1852 6712
$$
JDW2 follow-up statements
281
WGCA72 TJSJ 210558
FFSSJU
Flash Flood Statement
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
158 AM AST THU SEP 21 2017
PRC001-003-005-011-013-023-027-065-067-071-081-083-093-097-099-115-
117-121-125-131-141-153-210645-
/O.CON.TJSJ.FF.W.0092.000000T0000Z-170921T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sabana Grande PR-Las Marias PR-Lares PR-San Sebastian PR-Arecibo PR-
Isabela PR-Adjuntas PR-Hormigueros PR-Moca PR-Yauco PR-
Quebradillas PR-Anasco PR-Cabo Rojo PR-Camuy PR-Maricao PR-
Mayaguez PR-Rincon PR-San German PR-Hatillo PR-Utuado PR-Aguada PR-
Aguadilla PR-
158 AM AST THU SEP 21 2017
...THIS IS A FLASH FLOOD EMERGENCY FOR MUCH OF NORTHWEST AND WESTERN
INTERIOR PUERTO RICO...INCLUDING MAYAGUEZ AND AGUADILLA...
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM AST FOR
NORTHWESTERN SABANA GRANDE...LAS MARIAS...LARES...SAN SEBASTIAN...
WEST CENTRAL ARECIBO...ISABELA...WEST CENTRAL ADJUNTAS...
HORMIGUEROS...MOCA...NORTHWESTERN YAUCO...QUEBRADILLAS...ANASCO...
NORTHERN CABO ROJO...CAMUY...MARICAO...MAYAGUEZ...RINCON...SAN
GERMAN...HATILLO...WEST CENTRAL UTUADO...AGUADA AND AGUADILLA
MUNICIPALITIES...
At 154 AM AST, satellite estimates indicated very heavy rainfall
redeveloping over the warned area. Flash flooding is already
occurring and will likely increase during the next hour.
This is a FLASH FLOOD EMERGENCY. This is a PARTICULARLY DANGEROUS
SITUATION. SEEK HIGHER GROUND NOW!
Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.
Some locations that will experience flooding include...
Arecibo, Aguadilla, Aguada, Moca, Anasco, Camuy, Quebradillas,
Hormigueros, San Sebastian, Las Marias, Cabo Rojo, Isabela, Mayaguez,
San German, Lares, Hatillo, Rincon, Sabana Grande, Puerto Real and La
Playa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
Move to higher ground now. Act quickly to protect your life.
&&
LAT...LON 1852 6696 1849 6676 1833 6677 1832 6682
1818 6683 1814 6686 1815 6696 1809 6698
1808 6700 1807 6722 1817 6720 1821 6717
1837 6727 1841 6718 1849 6718 1852 6712
$$
JDW450
WGCA72 TJSJ 210640
FFSSJU
Flash Flood Statement
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
240 AM AST THU SEP 21 2017
PRC001-003-005-011-013-023-027-065-067-071-081-083-093-097-099-115-
117-121-125-131-141-153-210649-
/O.EXP.TJSJ.FF.W.0092.000000T0000Z-170921T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sabana Grande PR-Las Marias PR-Lares PR-San Sebastian PR-Arecibo PR-
Isabela PR-Adjuntas PR-Hormigueros PR-Moca PR-Yauco PR-
Quebradillas PR-Anasco PR-Cabo Rojo PR-Camuy PR-Maricao PR-
Mayaguez PR-Rincon PR-San German PR-Hatillo PR-Utuado PR-Aguada PR-
Aguadilla PR-
240 AM AST THU SEP 21 2017
...THE FLASH FLOOD WARNING FOR NORTHWESTERN SABANA GRANDE...LAS
MARIAS...LARES...SAN SEBASTIAN...WEST CENTRAL ARECIBO...ISABELA...
WEST CENTRAL ADJUNTAS...HORMIGUEROS...MOCA...NORTHWESTERN YAUCO...
QUEBRADILLAS...ANASCO...NORTHERN CABO ROJO...CAMUY...MARICAO...
MAYAGUEZ...RINCON...SAN GERMAN...HATILLO...WEST CENTRAL UTUADO...
AGUADA AND AGUADILLA MUNICIPALITIES WILL EXPIRE AT 245 AM AST...
The Flash Flood Emergency has expired, however, a new flash flood
warning has been issued for the same area due to continued heavy
rain and ongoing flash flooding.
LAT...LON 1852 6696 1849 6676 1833 6677 1832 6682
1818 6683 1814 6686 1815 6696 1809 6698
1808 6700 1807 6722 1817 6720 1821 6717
1837 6727 1841 6718 1849 6718 1852 6712
$$
JDWThe office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 7:05 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Sep 20, 7:26 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Sep 20, 7:30 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Sep 20, 7:32 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Sep 20, 7:59 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Sep 20, 9:25 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 20, 9:29 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 20, 9:42 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 20, 10:43 PM CDT | Flash Flood Warning | JSJ | 9 hr | |
| Sep 20, 10:45 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 20, 10:52 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 20, 10:56 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 20, 10:59 PM CDT | Small Craft Advisory | JSJ | 52 hr | |
| Sep 20, 11:03 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 20, 11:20 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 21, 1:39 AM CDT | Flash Flood Warning | JSJ | 7 hr | |
| Sep 21, 2:20 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 21, 2:25 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 21, 2:27 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Sep 21, 3:35 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 21, 3:45 AM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Sep 21, 3:50 AM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Sep 21, 3:53 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 21, 4:09 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 21, 6:54 AM CDT | Flash Flood Warning | JSJ | 7 hr | |
| Sep 21, 7:00 AM CDT | Flash Flood Warning | JSJ | 7 hr | |
| Sep 21, 7:58 AM CDT | Areal Flood Warning | JSJ | 6 hr | |
| Sep 21, 8:30 AM CDT | Special Marine Warning | JSJ | 2 hr | |
| Sep 21, 10:20 AM CDT | Tropical Storm Warning | JSJ | 5 hr | |
| Sep 21, 10:27 AM CDT | Special Marine Warning | JSJ | 63 min | |
| Sep 21, 11:30 AM CDT | Special Marine Warning | JSJ | 90 min | |
| Sep 21, 12:55 PM CDT | Special Marine Warning | JSJ | 2 hr | |
| Sep 21, 1:55 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 21, 1:57 PM CDT | Areal Flood Warning | JSJ | 6 hr | |
| Sep 21, 2:01 PM CDT | Areal Flood Warning | JSJ | 6 hr | |
| Sep 21, 4:57 PM CDT | Areal Flood Warning | JSJ | 3 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.