Alert archive / Puerto Rico / Flash Flood Watches in 2016

Flash Flood Watch 6, NWS JSJ

November 18, 2016

NWS JSJ issued this flash flood watch at Nov 18, 2016, 6:15 AM CST. It took effect at Nov 18, 2016, 12:00 PM CST. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Nov 18, 2016, 6:15 AM CST (12:15 UTC)
In effect from
Nov 18, 2016, 12:00 PM CST
Expired
Nov 21, 2016, 6:00 PM CST
In force
3 days
Issued by
NWS JSJ
Flood severity
None

The text

As transmitted.

769 
WGCA62 TJSJ 181215
FFASJU

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
815 AM AST FRI NOV 18 2016

...VERY HEAVY RAIN TO PRODUCE FLOODING IN PUERTO RICO BEGINNING
BY 2 PM AST...

.A VERY MOIST ATMOSPHERE WITH SOUTHEAST FLOW, TROUGHING IN THE
MONA CHANNEL, A BOUNDARY JUST NORTHWEST OF THE FORECAST AREA AND
SOME HEATING IN THE INTERIOR OF PUERTO RICO WILL CREATE CONDITIONS
CONDUCIVE TO VERY HEAVY RAIN THAT WILL LIKELY CAUSE FLOODING OF
STREAMS AND RIVERS IN PUERTO RICO WITH EMPHASIS ON INTERIOR,
WESTERN AND NORTHWESTERN PUERTO RICO.

PRZ001>011-182015-
/O.NEW.TJSJ.FF.A.0006.161118T1800Z-161119T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS
815 AM AST FRI NOV 18 2016

...FLASH FLOOD WATCH IN EFFECT FROM 2 PM AST THIS AFTERNOON
THROUGH SATURDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WATCH FOR MAINLAND PUERTO RICO.

* FROM 2 PM AST THIS AFTERNOON THROUGH SATURDAY MORNING

* SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WILL FORM OVER CENTRAL
  PUERTO RICO AND MOVE SLOWLY NORTHWEST LEAVING ANYWHERE FROM 3 TO
  6 INCHES IN THE MOST AFFECTED AREAS.

* THESE HEAVY RAINS WILL BRING RAPID RISES IN AREA RIVERS AND
  STREAMS. WILL MAKE ROADS TRANSITING LOW-LYING AREAS IMPASSABLE
  AND MAY TRIGGER DANGEROUS MUDSLIDES WITHOUT WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

SNELL
10 follow-up statements
381 
WGCA62 TJSJ 181639 AAA
FFASJU

FLASH FLOOD WATCH...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
1239 PM AST FRI NOV 18 2016

...THE POTENTIAL FOR VERY HEAVY RAIN CONTINUES IN PUERTO RICO...

.A VERY MOIST ATMOSPHERE WITH SOUTHEAST FLOW... TROUGHING IN THE
MONA CHANNEL... A BOUNDARY JUST NORTHWEST OF THE FORECAST AREA
AND SOME HEATING IN THE INTERIOR OF PUERTO RICO WILL CREATE
CONDITIONS CONDUCIVE TO VERY HEAVY RAIN THAT WILL LIKELY CAUSE
FLOODING OF SOME STREAMS AND RIVERS IN PUERTO RICO WITH EMPHASIS
ON INTERIOR... WESTERN AND NORTHWESTERN PUERTO RICO.

PRZ001>011-190200-
/O.CON.TJSJ.FF.A.0006.161118T1800Z-161119T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS
1239 PM AST FRI NOV 18 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF PUERTO RICO...INCLUDING THE FOLLOWING AREAS...
  CENTRAL INTERIOR...EASTERN INTERIOR...MAYAGUEZ AND VICINITY...
  NORTH CENTRAL...NORTHEAST...NORTHWEST...PONCE AND VICINITY...
  SAN JUAN AND VICINITY...SOUTHEAST...SOUTHWEST AND WESTERN
  INTERIOR.

* THROUGH SATURDAY MORNING

* SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED TO FORM
  OVER CENTRAL PUERTO RICO AND MOVE SLOWLY NORTHWEST LEAVING
  ANYWHERE FROM 2 TO 4 INCHES IN THE MOST AFFECTED AREAS.

* THESE HEAVY RAINS WILL BRING RAPID RISES IN AREA RIVERS AND
  STREAMS WHERE THEY FALL AND WILL MAKE ROADS TRANSITING LOW-
  LYING AREAS IMPASSABLE. DANGEROUS MUDSLIDES MAY BE RELEASED
  WITHOUT WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

SNELL
998 
WGCA62 TJSJ 190220
FFASJU

FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
1020 PM AST FRI NOV 18 2016

...THE POTENTIAL FOR PERIODS OF VERY HEAVY RAIN WILL CONTINUE IN
PUERTO RICO...

.MOISTURE POOLING WILL CONTINUE ACROSS THE FORECAST AREA DURING
THE NEXT SEVERAL DAYS AS A FRONTAL BOUNDARY AND AN INDUCED SURFACE
TROUGH WILL LINGER ACROSS THE LOCAL REGION.

PRZ001>011-191400-
/O.CON.TJSJ.FF.A.0006.000000T0000Z-161119T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS
1020 PM AST FRI NOV 18 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF PUERTO RICO...INCLUDING THE FOLLOWING AREAS... 
  CENTRAL INTERIOR...EASTERN INTERIOR...MAYAGUEZ AND VICINITY... 
  NORTH CENTRAL...NORTHEAST...NORTHWEST...PONCE AND VICINITY... 
  SAN JUAN AND VICINITY...SOUTHEAST...SOUTHWEST AND WESTERN 
  INTERIOR. 

* THROUGH SATURDAY

* ALTHOUGH SHOWER AND THUNDERSTORM ACTIVITY HAD DIMINISHED OVER
  LAND DURING THE EVENING HOURS, THE POTENTIAL FOR EARLY MORNING
  ACTIVITY, PARTICULARLY ALONG THE EAST AND SOUTHEAST PORTIONS OF
  PUERTO RICO. BREAKS IN CLOUD COVER AND DAY TIME HEATING WILL
  LEAD TO QUICK FORMATION OF SHOWERS AND THUNDERSTORMS ACROSS THE
  REGION. FOR THAT REASON THE FLASH FLOOD WATCH WAS EXTENDED.

* THESE HEAVY RAINS WILL BRING RAPID RISES IN AREA RIVERS AND 
  STREAMS WHERE THEY FALL AND WILL MAKE ROADS TRANSITING LOW- 
  LYING AREAS IMPASSABLE. DANGEROUS MUDSLIDES MAY BE RELEASED 
  WITHOUT WARNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
388 
WGCA62 TJSJ 191005
FFASJU

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
605 AM AST SAT NOV 19 2016

...THE POTENTIAL FOR PERIODS OF VERY HEAVY RAIN WILL CONTINUE IN
PUERTO RICO...

.MOISTURE POOLING WILL CONTINUE ACROSS THE FORECAST AREA DURING
THE NEXT SEVERAL DAYS AS A FRONTAL BOUNDARY AND AN INDUCED
SURFACE TROUGH WILL LINGER ACROSS THE LOCAL REGION.

PRZ001>011-191815-
/O.EXT.TJSJ.FF.A.0006.000000T0000Z-161119T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS
605 AM AST SAT NOV 19 2016

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS AFTERNOON...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF PUERTO RICO...INCLUDING THE FOLLOWING AREAS... 
  CENTRAL INTERIOR...EASTERN INTERIOR...MAYAGUEZ AND VICINITY... 
  NORTH CENTRAL...NORTHEAST...NORTHWEST...PONCE AND VICINITY... 
  SAN JUAN AND VICINITY...SOUTHEAST...SOUTHWEST AND WESTERN 
  INTERIOR. 

* THROUGH THIS AFTERNOON

* THE POTENTIAL FOR EARLY MORNING SHOWER ACTIVITY...ALONG THE
  EASTERN PORTIONS OF PUERTO RICO REMAINS HIGH. DURING THE
  AFTERNOON HOURS BREAKS IN CLOUD COVER AND DAY TIME HEATING WILL
  LEAD TO QUICK FORMATION OF SHOWERS AND THUNDERSTORMS ACROSS THE
  MOUNTAIN RANGES OF PR AND PARTICULAR THE INTERIOR AND WESTERN
  PORTIONS OF PUERTO RICO. FOR THAT REASON THE FLASH FLOOD WATCH
  WAS EXTENDED THROUGH AT LEAST THIS AFTERNOON.

* THESE HEAVY RAINS WILL BRING RAPID RISES IN AREA RIVERS AND 
  STREAMS WHERE THEY FALL AND WILL MAKE ROADS TRANSITING LOW- 
  LYING AREAS IMPASSABLE. DANGEROUS MUDSLIDES MAY BE RELEASED 
  WITHOUT WARNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
104 
WGCA62 TJSJ 191005 CCA
FFASJU

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WATCH...CORRECTED
NATIONAL WEATHER SERVICE SAN JUAN PR
605 AM AST SAT NOV 19 2016

...THE POTENTIAL FOR PERIODS OF VERY HEAVY RAIN WILL CONTINUE IN
PUERTO RICO...

.MOISTURE POOLING WILL CONTINUE ACROSS THE FORECAST AREA DURING
THE NEXT SEVERAL DAYS AS A FRONTAL BOUNDARY AND AN INDUCED
SURFACE TROUGH WILL LINGER ACROSS THE LOCAL REGION.

PRZ001>011-192200-
/O.COR.TJSJ.FF.A.0006.000000T0000Z-161119T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS
605 AM AST SAT NOV 19 2016

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS AFTERNOON...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF PUERTO RICO...INCLUDING THE FOLLOWING AREAS... 
  CENTRAL INTERIOR...EASTERN INTERIOR...MAYAGUEZ AND VICINITY... 
  NORTH CENTRAL...NORTHEAST...NORTHWEST...PONCE AND VICINITY... 
  SAN JUAN AND VICINITY...SOUTHEAST...SOUTHWEST AND WESTERN 
  INTERIOR. 

* THROUGH THIS AFTERNOON

* THE POTENTIAL FOR EARLY MORNING SHOWER ACTIVITY...ALONG THE
  EASTERN PORTIONS OF PUERTO RICO REMAINS HIGH. DURING THE
  AFTERNOON HOURS BREAKS IN CLOUD COVER AND DAY TIME HEATING WILL
  LEAD TO QUICK FORMATION OF SHOWERS AND THUNDERSTORMS ACROSS THE
  MOUNTAIN RANGES OF PR AND THE INTERIOR AND WESTERN PORTIONS OF
  PUERTO RICO. FOR THAT REASON THE FLASH FLOOD WATCH WAS EXTENDED
  THROUGH AT LEAST THIS AFTERNOON.

* THESE HEAVY RAINS WILL BRING RAPID RISES IN AREA RIVERS AND 
  STREAMS WHERE THEY FALL AND WILL MAKE ROADS TRANSITING LOW- 
  LYING AREAS IMPASSABLE. DANGEROUS MUDSLIDES MAY BE RELEASED 
  WITHOUT WARNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
018 
WGCA62 TJSJ 191715
FFASJU

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
115 PM AST SAT NOV 19 2016

...THE FLASH FLOOD WATCH HAS BEEN EXTENDED THROUGH SUNDAY EVENING
AND EXPANDED TO INCLUDE VIEQUES AND CULEBRA...

PRZ012-013-200845-
/O.EXB.TJSJ.FF.A.0006.000000T0000Z-161121T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CULEBRA-VIEQUES-
INCLUDING THE CITIES OF...CULEBRA...ESPERANZA
115 PM AST SAT NOV 19 2016

...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE CULEBRA AND VIEQUES.

* THROUGH SUNDAY EVENING

* SOILS ARE ALREADY SATURATED ACROSS THESE MUNICIPALITIES,
  PARTICULARLY VIEQUES. DUE TO SATURATED SOILS, IN ADDITION TO
  THE HIGH POTENTIAL FOR PERIODS OF SHOWERS AND THUNDERSTORMS
  ACROSS THESE ISLANDS DURING THE EVENING AND OVERNIGHT HOURS,
  THE FLASH FLOOD WATCH HAS BEEN EXPANDED TO INCLUDE VIEQUES
  AND CULEBRA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

PRZ001>011-200845-
/O.EXT.TJSJ.FF.A.0006.000000T0000Z-161121T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS
115 PM AST SAT NOV 19 2016

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* MAINLAND PUERTO RICO

* THROUGH SUNDAY EVENING

* A MOIST AND UNSTABLE WEATHER PATTERN WILL CONTINUE TO PREVAIL
  THROUGH EARLY NEXT WEEK AS TROFINESS AND PLENTY OF LOW LEVEL
  MOISTURE DOMINATES THE NORTHEAST CARIBBEAN. DUE TO ALREADY
  SATURATED SOILS, THE POTENTIAL FOR URBAN AND SMALL STREAM
  FLOODING AS WELL AS RIVER FLOODING CONTINUES. MUDSLIDES IN AREAS
  OF STEEP TERRAIN IS LIKELY. DANGEROUS MUDSLIDES MAY BE RELEASED
  WITHOUT WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
608 
WGCA62 TJSJ 200755
FFASJU

FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
355 AM AST SUN NOV 20 2016

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING FOR PUERTO
RICO...VIEQUES AND CULEBRA...

PRZ001>013-201800-
/O.CON.TJSJ.FF.A.0006.000000T0000Z-161121T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS...CULEBRA...
ESPERANZA
355 AM AST SUN NOV 20 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF PUERTO RICO...INCLUDING THE FOLLOWING AREAS... 
  CENTRAL INTERIOR...CULEBRA...EASTERN INTERIOR...MAYAGUEZ AND 
  VICINITY...NORTH CENTRAL...NORTHEAST...NORTHWEST...PONCE AND 
  VICINITY...SAN JUAN AND VICINITY...SOUTHEAST...SOUTHWEST... 
  VIEQUES AND WESTERN INTERIOR. 

* THROUGH THIS EVENING

* A MOIST AND UNSTABLE WEATHER PATTERN WILL CONTINUE TO PREVAIL
  ACROSS THE REGION THROUGH THE NEXT FEW DAYS AS TROFINESS AND
  PLENTY OF LOW LEVEL MOISTURE DOMINATES THE NORTHEAST CARIBBEAN.
  DUE TO ALREADY SATURATED SOILS...THE POTENTIAL FOR URBAN AND
  SMALL STREAM FLOODING AS WELL AS RIVER FLOODING CONTINUES.
  MUDSLIDES IN AREAS OF STEEP TERRAIN IS LIKELY. DANGEROUS
  MUDSLIDES MAY BE RELEASED WITHOUT WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
224 
WGCA62 TJSJ 201720
FFASJU

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
120 PM AST SUN NOV 20 2016

...THE POTENTIAL FOR FLOODING CONTINUES TONIGHT AND MONDAY...

PRZ001>013-210800-
/O.EXT.TJSJ.FF.A.0006.000000T0000Z-161122T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS...CULEBRA...
ESPERANZA
120 PM AST SUN NOV 20 2016

...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING...

THE FLASH FLOOD WATCH IS IN EFFECT FOR

* ALL PUERTO RICO

* THROUGH MONDAY EVENING

* A MOIST AND UNSTABLE WEATHER PATTERN WILL CONTINUE TO PREVAIL
  ACROSS THE REGION THROUGH MONDAY AS TROFINESS AND PLENTY OF LOW
  LEVEL MOISTURE DOMINATES THE NORTHEAST CARIBBEAN. DUE TO ALREADY
  SATURATED SOILS...THE POTENTIAL FOR URBAN AND SMALL STREAM
  FLOODING AS WELL AS RIVER FLOODING CONTINUES. MUDSLIDES IN AREAS
  OF STEEP TERRAIN IS LIKELY. DANGEROUS MUDSLIDES MAY BE RELEASED
  WITHOUT WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
574 
WGCA62 TJSJ 210731
FFASJU

FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
331 AM AST MON NOV 21 2016

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING FOR PUERTO
RICO...VIEQUES AND CULEBRA...

PRZ001>013-211615-
/O.CON.TJSJ.FF.A.0006.000000T0000Z-161122T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS...CULEBRA...
ESPERANZA
331 AM AST MON NOV 21 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF PUERTO RICO...INCLUDING THE FOLLOWING AREAS... 
  CENTRAL INTERIOR...CULEBRA...EASTERN INTERIOR...MAYAGUEZ AND 
  VICINITY...NORTH CENTRAL...NORTHEAST...NORTHWEST...PONCE AND 
  VICINITY...SAN JUAN AND VICINITY...SOUTHEAST...SOUTHWEST... 
  VIEQUES AND WESTERN INTERIOR. 

* THROUGH THIS EVENING

* A MOIST AND UNSTABLE WEATHER PATTERN WILL CONTINUE TO PREVAIL
  ACROSS THE REGION THROUGH THIS EVENING AS TROFINESS AND PLENTY
  OF LOW LEVEL MOISTURE DOMINATES THE NORTHEAST CARIBBEAN. DUE TO
  ALREADY SATURATED SOILS...THE POTENTIAL FOR URBAN AND SMALL
  STREAM FLOODING CONTINUES. THESE HEAVY RAINS WILL ALSO BRING
  RAPID RISES IN AREA RIVERS AND STREAMS WHERE THEY FALL AND WILL
  MAKE ROADS TRANSITING LOW-LYING AREAS IMPASSABLE. MUDSLIDES IN
  AREAS OF STEEP TERRAIN IS LIKELY. DANGEROUS MUDSLIDES MAY BE
  RELEASED WITHOUT WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
853 
WGCA62 TJSJ 210748 CCA
FFASJU

FLASH FLOOD WATCH...CORRECTED
NATIONAL WEATHER SERVICE SAN JUAN PR
348 AM AST MON NOV 21 2016

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING FOR PUERTO
RICO...VIEQUES AND CULEBRA...

PRZ001>013-212000-
/O.COR.TJSJ.FF.A.0006.000000T0000Z-161122T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS...CULEBRA...
ESPERANZA
348 AM AST MON NOV 21 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF PUERTO RICO...INCLUDING THE FOLLOWING AREAS... 
  CENTRAL INTERIOR...CULEBRA...EASTERN INTERIOR...MAYAGUEZ AND 
  VICINITY...NORTH CENTRAL...NORTHEAST...NORTHWEST...PONCE AND 
  VICINITY...SAN JUAN AND VICINITY...SOUTHEAST...SOUTHWEST... 
  VIEQUES AND WESTERN INTERIOR. 

* THROUGH THIS EVENING

* A MOIST AND UNSTABLE WEATHER PATTERN WILL CONTINUE TO PREVAIL
  ACROSS THE REGION THROUGH THIS EVENING AS TROFINESS AND PLENTY
  OF LOW LEVEL MOISTURE DOMINATES THE NORTHEAST CARIBBEAN. DUE TO
  ALREADY SATURATED SOILS...THE POTENTIAL FOR URBAN AND SMALL
  STREAM FLOODING CONTINUES. THESE HEAVY RAINS WILL ALSO BRING
  RAPID RISES IN RIVERS AND STREAMS WHERE THEY FALL AND WILL MAKE
  ROADS TRANSITING LOW-LYING AREAS IMPASSABLE. MUDSLIDES IN AREAS
  OF STEEP TERRAIN IS LIKELY. DANGEROUS MUDSLIDES MAY BE RELEASED
  WITHOUT WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
042 
WGCA62 TJSJ 212359
FFASJU

FLASH FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
759 PM AST MON NOV 21 2016

...THE FLASH FLOOD WATCH WILL BE ALLOWED TO EXPIRE...

.THE THREAT OF WIDESPREAD FLOODING HAS SUBSIDED.

PRZ001>013-220100-
/O.EXP.TJSJ.FF.A.0006.000000T0000Z-161122T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
INCLUDING THE CITIES OF...SAN JUAN...CAROLINA...FAJARDO...
HUMACAO...RIO GRANDE...GUAYAMA...ARROYO...YABUCOA...SALINAS...
COCO...CAGUAS...ARECIBO...VEGA BAJA...MANATI...DORADO...COAMO...
COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA...
ISABELA...HATILLO...QUEBRADILLAS...SAN SEBASTIAN...UTUADO...
SABANA GRANDE...LARES...ADJUNTAS...MAYAGUEZ...HORMIGUEROS...
MOCA...AGUADA...LUYANDO...CABO ROJO...GUANICA...LAJAS...CULEBRA...
ESPERANZA
759 PM AST MON NOV 21 2016

...FLASH FLOOD WATCH WILL EXPIRE AT 8 PM AST THIS EVENING...

THE FLASH FLOOD WATCH FOR PUERTO RICO WILL EXPIRE AT 8 PM AST
THIS EVENING. ALTHOUGH THE BOUNDARY THAT HAS CAUSED THIS UNUSUAL
AND ABOVE NORMAL PRECIPITATION EVENT THESE PAST 4 DAYS IS STILL
HOVERING JUST NORTHWEST OF PUERTO RICO, AN UPPER LEVEL RIDGE WILL
WEAKEN THE DYNAMICS NECESSARY TO CREATE WIDESPREAD HEAVY RAIN AND
FLOODING. 

MANY AREAS STILL HAVE HIGH WATER, BUT NO MAJOR RIVERS ARE
CURRENTLY IN FLOOD. RAIN AND WET WEATHER WILL CONTINUE
SPORADICALLY THROUGH AT LEAST WEDNESDAY, BUT ONLY LOCALIZED
FLOODING IS EXPECTED. THEREFORE WE WILL ALLOW THE FLASH FLOOD
WATCH TO EXPIRE TONIGHT AT 8 PM AST. DO MONITOR YOUR LOCAL NEWS
SOURCES FOR BULLETINS OR STATEMENTS FOR YOUR LOCAL AREA OR FOLLOW
US ON FACEBOOK OR TWITTER: HASHTAG PRWX OR USVIWX.

$$

SNELL

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS JSJ wrote its last area forecast discussion before this flash flood watch went out at Nov 18, 3:55 AM CST, 2 hours 20 minutes earlier.

Area forecast discussion, Nov 18, 3:55 AM CST, 2 hours 20 minutes before
Area Forecast Discussion
National Weather Service San Juan PR
555 AM AST Fri Nov 18 2016

.SYNOPSIS...A frontal boundary will stall over the local islands
during the weekend maintaining a very moist and unstable environment
through at least Tuesday. The shearline/pre-frontal trough associated
with the frontal boundary will enhance the moisture convergence across
the local islands through early next week. Drier and more stable air
mass will encompass the region by midweek next week.

&&

.DISCUSSION...Active weather was observed across the coastal
waters and portions of the South and East Puerto Rico since
midnight. High moisture content combined with good low level
convergence to produce several rounds of heavy rainfall across
Southeast Puerto Rico. Rainfall accumulations in excess of 4
inches were estimated in Maunabo and Yabucoa. Other areas of the
Southeast Quadrant of Puerto Rico received between 1-3 inches.

The rest of today...the east-southeast flow will continue to favor
moisture transport over the forecast area today. As a result...showers
and isolated thunderstorms will continue to affect the south and
east portions of PR and the U.S. Virgin Islands during the morning
hours. Then...diurnal induced showers and thunderstorms will form
along the Interior, West and Northwest PR as well as portions of
the San Juan Metro Area.

Saturday through early next week...a frontal boundary will approach
the local islands from the north-northwest. Operational models
suggest that the moisture will peak late Sunday into Monday with
precipatable water values around 2.15 inches. The shearline/pre-
frontal trough will enhance the low level convergence and focus the
abudant moisture over Puerto Rico and the U.S. Virgin Islands. In
addition...the weak steering winds will favor higher rainfall
accumulations across the islands. Due to already saturated soils
across most of PR...the potential impacts include flooding along
rivers and streams as well as mudslides in areas of steep terrain.

Conditions will gradually improve by midweek next week as drier
and more stable air mass will move over the region.

&&

.AVIATION...SHRA/Isold TSRA over the Atlantic and Caribbean waters
will continue thru the fcst period. Mtn top obscd over eastern PR
due to SHRA/low cig/Scud clds expected for the rest of the morning
hours. SHRA/TSRA is expected to develop along the interior and
western sections of PR during the afternoon. Also, isold TSRA is
possible between el Yunque and TJSJ. MVFR conds expected with this
activity across the PR terminals. Mainly VFR at the leeward
terminals and VCSH at USVI terminals with possible VCTS at times
through the forecast period. Low level winds fm E-SE at 5-15 knots
with sea breezes aft 14z.

&&

.MARINE...A relatively tranquil marine conditions will prevail
across the local waters through the weekend. Then, a short-period
northerly swell of 4-6 feet will increase the seas next week.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  86  77  86  76 /  60  40  40  50
STT  87  77  86  76 /  50  50  50  50

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...None.
VI...None.
AM...None.
&&

13/11
Hazardous weather outlook, Nov 18, 3:24 AM CST, 2 hours 51 minutes before
PERSPECTIVAS SOBRE CONDICIONES PELIGROSAS DEL TIEMPO...CORRECCION
SERVICIO NACIONAL DE METEOROLOGIA SAN JUAN PR
511 AM AST VIERNES 18 DE NOVIEMBRE DE 2016

AMZ710>745-PRZ001>013-190915-
SAN JUAN Y VECINDAD-NORESTE-SURESTE-
ESTE INTERIOR-NORTE CENTRAL-CENTRAL INTERIOR-PONCE Y VECINDAD-
NOROESTE-OESTE INTERIOR-MAYAGUEZ Y VECINDAD-SUROESTE-CULEBRA-VIEQUES-
AGUAS COSTERAS Y MAR AFUERA DEL ATLANTICO Y DEL CARIBE-
511 AM AST VIERNES 18 DE NOVIEMBRE DE 2016

ESTA PERSPECTIVA SOBRE LAS CONDICIONES DEL TIEMPO PELIGROSAS ES PARA
PUERTO RICO Y LAS AGUAS COSTERAS ADYACENTES DEL ATLANTICO.

.DIA UNO...HOY Y ESTA NOCHE

.TRONADAS...EXISTE UN POTENCIAL DE TRONADAS CON LLUVIAS
FUERTES Y VIENTOS EN RAFAGAS BREVES ESTA TARDE A TRAVES DE PORCIONES
DEL INTERIOR ESTE, EL INTERIOR Y OESTE DE PUERTO RICO.

.INUNDACIONES...LLUVIAS FUERTES PODRIAN RESULTAR EN INUNDACIONES
URBANAS Y DE RIACHUELO.

.DIAS DOS HASTA SIETE...SABADO A JUEVES

LA HUMEDAD AUMENTARA A TRAVES DEL AREA DE PRONOSTICO HASTA EL FIN DE
SEMANA Y PRINCIPIOS DE LA SEMANA PROXIMA A MEDIDA QUE UN SISTEMA
FRONTAL SOBRE LAS AGUAS DEL ATLANTICO Y UNA VAGUADA EN LA SUPERFICIE
INDUCIDA SE EXTIENDA A TRAVES DEL ESTE DEL CARIBE. ESTO AYUDARA EN
EL DESARROLLO DE AGUACEROS Y TRONADAS A TRAVES DEL AREA DE
PRONOSTICO. DEBIDO A SUELOS YA SATURADOS...ESTA ACTIVIDAD RESULTARA
INUNDACIONES URBANAS Y DE RIACHUELOS AL IGUAL QUE INCREMENTOS
RAPIDOS A LO LARGO DE RIOS. DESLIZAMIENTOS EN AREAS DE TERRENO
EMPINADO SON POSIBLES.

.COMUNICADO SOBRE INFORMACION REPORTADA POR OBSERVADORES...

NO SE ANTICIPA ACTIVACION AMPLIA DE OBSERVADORES, SIN EMBARGO SE
INVITA A LOS OBSERVADORES A REPORTAR INUNDACIONES AL SERVICIO
NACIONAL DE METEOROLOGIA EN SAN JUAN.

AMZ715-725-VIZ001-002-190915-
SAN TOMAS SAN JOHN E ISLAS ADYACENTES-SANTA CRUZ-
AGUAS CERCA DE LA COSTA DEL ATLANTICO Y AGUAS COSTERAS ADYACENTES
DEL CARIBE-
511 AM AST VIERNES 18 DE NOVIEMBRE DE 2016

ESTA PERSPECTIVA SOBRE LAS CONDICIONES PELIGROSAS DEL TIEMPO ES PARA
LAS ISLAS VIRGENES AMERICANAS Y LAS AGUAS COSTERAS ADYACENTES.

.DIA UNO...HOY Y ESTA NOCHE

.TRONADAS...EXISTE UN POTENCIAL DE TRONADAS CON LLUVIAS FUERTES Y
VIENTOS EN RAFAGAS BREVES ESTA MANANA A TRAVES DE LAS AGUAS
CIRCUNDANTES DE LAS ISLAS. ALGUNA DE ESTA ACTIVIDAD PODRIA
APROXIMARSE A PORCIONES DE LAS ISLAS VIRGENES DURANTE EL DIA.

.DIAS DOS HASTA SIETE...SABADO A JUEVES

LA HUMEDAD AUMENTARA A TRAVES DEL AREA DE PRONOSTICO HASTA EL FIN DE
SEMANA Y TEMPRANO LA SEMANA PROXIMA A MEDIDA QUE UNA ZONA FRONTAL
SOBRE LAS AGUAS DEL ATLANTICO Y UNA VAGUADA EN LA SUPERFICIE
INDUCIDA SE EXTIENDA A TRAVES DEL ESTE DEL CARIBE.

.COMUNICADO SOBRE INFORMACION REPORTADA POR OBSERVADORES...

NO SE ANTICIPA ACTIVACION AMPLIA DE OBSERVADORES.

In the hours before

Local storm report, Nov 18, 4:54 AM CST, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
654 AM AST FRI NOV 18 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0651 AM     FLOOD            YABUCOA                 18.05N 65.88W
11/18/2016                   YABUCOA            PR   EMERGENCY MNGR

            HIGHWAY 906 CLOSED DUE TO FLOODING ON THE GUAYANES RIVER

0651 AM     FLOOD            RIO BLANCO              18.21N 65.79W
11/18/2016                   NAGUABO            PR   EMERGENCY MNGR

            HIGHWAY 31 IS CLOSED DUE TO FLOODING ON THE BLANCO RIVER.

&&

WSNELL

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 17, 7:51 PM CSTAreal Flood AdvisoryJSJ114 min
Nov 17, 8:35 PM CSTAreal Flood AdvisoryJSJ3 hr
Nov 17, 9:45 PM CSTAreal Flood AdvisoryJSJ8 hr
Nov 17, 11:35 PM CSTAreal Flood AdvisoryJSJ9 hr
Nov 18, 1:59 AM CSTFlash Flood WarningJSJ6 hr
Nov 18, 5:59 AM CSTAreal Flood AdvisoryJSJ2 hr
Nov 18, 1:28 PM CSTSpecial Weather StatementJSJ92 min
Nov 18, 1:41 PM CSTSpecial Marine WarningJSJ79 min
Nov 18, 4:34 PM CSTSpecial Marine WarningJSJ86 min

Nearby

Flash Flood Watches in Puerto Rico, 2016Every flash flood watch in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.