Alert archive / Puerto Rico / Flash Flood Watches in 2011
Flash Flood Watch 9, NWS JSJ
NWS JSJ issued this flash flood watch at Aug 3, 2011, 4:37 AM CDT. It took effect at Aug 3, 2011, 5:00 AM CDT. It was in force for 34 hr.
The area
The counties it named.
The facts
- Issued
- Aug 3, 2011, 4:37 AM CDT (09:37 UTC)
- In effect from
- Aug 3, 2011, 5:00 AM CDT
- Expired
- Aug 4, 2011, 2:45 PM CDT
- In force
- 34 hr
- Issued by
- NWS JSJ
- Flood severity
- None
The text
As transmitted, in the capitals the NWS used until 2016.
026 WGCA62 TJSJ 030937 FFASJU URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SAN JUAN PR 537 AM AST WED AUG 3 2011 PRZ001>011-032145- /O.NEW.TJSJ.FF.A.0009.110803T1000Z-110804T0300Z/ /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 MUNICIPALITIES AND/OR ISLANDS OF...SAN JUAN... CAROLINA...FAJARDO...HUMACAO...GUAYAMA...ARROYO...YABUCOA... SALINAS...COCO...CAGUAS...ARECIBO...VEGA BAJA...DORADO...COAMO... COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA... ISABELA...HATILLO...QUEBRADILLAS...UTUADO...SABANA GRANDE...LARES... ADJUNTAS...HORMIGUEROS...MOCA...AGUADA...LUYANDO...CABO ROJO...LAJAS 537 AM AST WED AUG 3 2011 ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING... THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A * FLASH FLOOD WATCH 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 EVENING * OUTER RAINBANDS OF EMILY WILL CONTINUE TO MOVE ONSHORE ACROSS PUERTO RICO TODAY WITH FREQUENT SHOWERS AND ISOLATED THUNDERSTORMS THROUGH THE DAY. THESE RAINBANDS WILL SLOWLY SPREAD WESTWARD THROUGH THE DAY AS SOUTHEAST WINDS ON THE BACKSIDE OF DEPARTING EMILY DRAW TROPICAL MOISTURE INTO THE AREA. THESE RAINBANDS WILL BE CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS THAT COULD LEAD TO FLASH FLOODING OF SMALL STREAMS...RIVERS AND URBAN AREAS. RAINFALL AMOUNTS BETWEEN 4 AND 6 INCHES ARE EXPECTED ESPECIALLY ALONG THE SOUTH AND SOUTHEAST FACING SLOPES WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES POSSIBLE IN AREAS OF STRONG TOPOGRAPHICAL FORCING. LESSER RAINFALL AMOUNTS ARE EXPECTED ACROSS THE NORTH CENTRAL AND NORTHWEST PORTIONS OF THE ISLAND. MUDSLIDES AND DEBRIS FLOW ARE ALSO POSSIBLE IN AREAS OF STEEP TERRAIN. * PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING. IF YOU ARE IN THE WATCH AREA...CHECK YOUR PREPAREDNESS REQUIREMENTS... ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. KEEP INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE POSSIBILITY FOR HEAVY RAINFALL. AVOID LOW LYING AREAS...AND BE CAREFUL WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. THE HEAVY RAIN COULD ALSO CAUSE MUDSLIDES IN AREAS OF STEEP TERRAIN. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV...RADIO OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS AND POSSIBLE WARNINGS. THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...IS AVAILABLE ON THE WEB AT HTTP://WWW.SRH.NOAA.GOV/SJU OR AT HTTP://WEATHER.GOV. && $$ ROSA
3 follow-up statements
125 WGCA62 TJSJ 032140 FFASJU URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SAN JUAN PR 540 PM AST WED AUG 3 2011 PRZ001>011-041500- /O.EXT.TJSJ.FF.A.0009.000000T0000Z-110804T1500Z/ /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 MUNICIPALITIES AND/OR ISLANDS OF...SAN JUAN... CAROLINA...FAJARDO...HUMACAO...GUAYAMA...ARROYO...YABUCOA... SALINAS...COCO...CAGUAS...ARECIBO...VEGA BAJA...DORADO...COAMO... COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA... ISABELA...HATILLO...QUEBRADILLAS...UTUADO...SABANA GRANDE...LARES... ADJUNTAS...HORMIGUEROS...MOCA...AGUADA...LUYANDO...CABO ROJO...LAJAS 540 PM AST WED AUG 3 2011 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH 11 AM AST THURSDAY MORNING... 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 11 AM AST THURSDAY MORNING * OUTER RAINBANDS OF TROPICAL STORM EMILY WILL CONTINUE TO AFFECT THE WESTERN THIRD OF PUERTO RICO THROUGH TONIGHT...PRODUCING ADDITIONAL SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL. ACROSS THE REMAINDER OF PUERTO RICO...ONLY SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED. HOWEVER...A MOIST AND UNSTABLE AIR MASS IS EXPECTED TO CONTINUE ACROSS THE LOCAL AREA THROUGH THURSDAY MORNING AND NEW SHOWERS AND THUNDERSTORMS COULD DEVELOP OVERNIGHT THROUGH THURSDAY MORNING. GROUNDS REMAIN SATURATED AND RIVERS REMAIN AT WELL ABOVE NORMAL LEVELS...AND ONLY A SMALL AMOUNT OF ADDITIONAL RAINFALL COULD RESULT IN NEW FLASH AND RIVER FLOODING. ALSO...MUDSLIDES AND DEBRIS FLOW ARE POSSIBLE IN AREAS OF STEEP TERRAIN. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN EXTENDED UNTIL 11 AM AST THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING. IF YOU ARE IN THE WATCH AREA...CHECK YOUR PREPAREDNESS REQUIREMENTS... ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. KEEP INFORMED... AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE POSSIBILITY FOR HEAVY RAINFALL. AVOID LOW LYING AREAS...AND BE CAREFUL WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. PLEASE STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV...RADIO OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS AND POSSIBLE WARNINGS. THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...IS AVAILABLE ON THE WEB AT HTTP://WWW.SRH.NOAA.GOV/SJU OR AT HTTP://WEATHER.GOV. && $$ BCS
732 WGCA62 TJSJ 041402 FFASJU URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SAN JUAN PR 1002 AM AST THU AUG 4 2011 PRZ001>011-050000- /O.EXT.TJSJ.FF.A.0009.000000T0000Z-110805T0000Z/ /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 MUNICIPALITIES AND/OR ISLANDS OF...SAN JUAN... CAROLINA...FAJARDO...HUMACAO...GUAYAMA...ARROYO...YABUCOA... SALINAS...COCO...CAGUAS...ARECIBO...VEGA BAJA...DORADO...COAMO... COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA... ISABELA...HATILLO...QUEBRADILLAS...UTUADO...SABANA GRANDE...LARES... ADJUNTAS...HORMIGUEROS...MOCA...AGUADA...LUYANDO...CABO ROJO...LAJAS 1002 AM AST THU AUG 4 2011 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 8 PM AST THIS EVENING... 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. * UNTIL 8 PM AST THIS EVENING * A MOIST SOUTHEAST WIND FLOW...AND AN UNSTABLE AIR MASS ARE EXPECTED TO CONTINUE ACROSS THE LOCAL AREA. THEREFORE...NEW SHOWERS AND THUNDERSTORMS COULD DEVELOP THROUGH THIS EVENING. GROUNDS REMAIN SATURATED AND RIVERS REMAIN AT WELL ABOVE NORMAL LEVELS...AND ONLY A SMALL AMOUNT OF ADDITIONAL RAINFALL COULD RESULT IN NEW FLASH AND RIVER FLOODING. ALSO...MUDSLIDES AND DEBRIS FLOW ARE POSSIBLE IN AREAS OF STEEP TERRAIN. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN EXTENDED UNTIL 8 PM AST THURSDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING. IF YOU ARE IN THE WATCH AREA...CHECK YOUR PREPAREDNESS REQUIREMENTS... ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. KEEP INFORMED... AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE POSSIBILITY FOR HEAVY RAINFALL. AVOID LOW LYING AREAS...AND BE CAREFUL WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. PLEASE STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV...RADIO OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS AND POSSIBLE WARNINGS. THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...IS AVAILABLE ON THE WEB AT HTTP://WWW.SRH.NOAA.GOV/SJU OR AT HTTP://WEATHER.GOV. && $$ FC
576 WGCA62 TJSJ 041945 FFASJU FLOOD WATCH NATIONAL WEATHER SERVICE SAN JUAN PR 345 PM AST THU AUG 4 2011 PRZ001>011-042045- /O.CAN.TJSJ.FF.A.0009.000000T0000Z-110805T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR- NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST- WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST- INCLUDING THE MUNICIPALITIES AND/OR ISLANDS OF...SAN JUAN... CAROLINA...FAJARDO...HUMACAO...GUAYAMA...ARROYO...YABUCOA... SALINAS...COCO...CAGUAS...ARECIBO...VEGA BAJA...DORADO...COAMO... COROZAL...AIBONITO...VILLALBA...JAYUYA...PONCE...AGUADILLA... ISABELA...HATILLO...QUEBRADILLAS...UTUADO...SABANA GRANDE...LARES... ADJUNTAS...HORMIGUEROS...MOCA...AGUADA...LUYANDO...CABO ROJO...LAJAS 345 PM AST THU AUG 4 2011 ...FLASH FLOOD WATCH IS CANCELLED... AS THE TROPICAL STORM EMILY CONTINUES TO MOVE WESTWARD OVER THE NORTH-CENTRAL CARIBBEAN AND AWAY FROM THE LOCAL AREA...WEATHER CONDITIONS WILL CONTINUE TO IMPROVE SIGNIFICANTLY ACROSS PUERTO RICO AND U.S. VIRGIN ISLANDS. THE LACK OF ANY PROLONGED HEAVY RAINFALL DURING THE PAST 12 HOURS AND THE EXPECTED FAIRLY RAPID MOVEMENT OF ANY SHOWERS AND THUNDERSTORMS TONIGHT...SHOULD NOT ALLOW FOR ANY WIDESPREAD FLASH OR RIVER FLOODING. THEREFORE... THE FLASH FLOOD WATCH FOR A PORTION OF PUERTO RICO HAS BEEN CANCELLED. $$
The office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 1:19 AM CDT | Areal Flood Advisory | JSJ | 7 hr | |
| Aug 3, 1:40 AM CDT | Flash Flood Warning | JSJ | 6 hr | |
| Aug 3, 3:56 AM CDT | Areal Flood Advisory | JSJ | 11 min | |
| Aug 3, 4:02 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Aug 3, 4:57 AM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Aug 3, 5:20 AM CDT | Special Marine Warning | JSJ | 55 min | |
| Aug 3, 6:17 AM CDT | Areal Flood Warning | JSJ | 12 hr | |
| Aug 3, 6:38 AM CDT | Areal Flood Warning | JSJ | 12 hr | |
| Aug 3, 7:11 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 3, 7:28 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 3, 8:20 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Aug 3, 8:54 AM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| Aug 3, 9:02 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 3, 9:40 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Aug 3, 9:52 AM CDT | Severe Thunderstorm Warning | JSJ | 53 min | |
| Aug 3, 10:27 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 3, 11:26 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 3, 12:12 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 3, 12:19 PM CDT | Small Craft Advisory | JSJ | 31 hr | |
| Aug 3, 1:02 PM CDT | Special Marine Warning | JSJ | 58 min | |
| Aug 3, 2:29 PM CDT | Flash Flood Warning | JSJ | 6 hr | |
| Aug 3, 4:32 PM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| Aug 3, 6:30 PM CDT | Areal Flood Warning | JSJ | 3 hr |
Nearby
Flash Flood Watches in Puerto Rico, 2011Every flash flood watch in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.