Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 143, NWS JSJ

September 19, 2011

NWS JSJ issued this flash flood warning at Sep 19, 2011, 2:25 PM CDT. It was in force for 110 min. 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 19, 2011, 2:25 PM CDT (19:25 UTC)
Expired
Sep 19, 2011, 4:15 PM CDT
In force
110 min
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 91 km from the middle of the area, began a volume at 19:28 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, in the capitals the NWS used until 2016.

245 
WGCA52 TJSJ 191925
FFWSJU
PRC027-071-081-115-131-192115-
/O.NEW.TJSJ.FF.W.0143.110919T1925Z-110919T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
325 PM AST MON SEP 19 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     LARES
     SAN SEBASTIAN
     ISABELA
     CAMUY
     QUEBRADILLAS

* UNTIL 515 PM AST

* AT 316 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  MODERATE RAIN CONTINUING OVER THE WARNED AREA. IN ADDITION THE     
  USGS RIVER GAGE AT RIO GUAJATACA IN LARES SHOWED THE RIVER OVER 17 
  FEET. HEAVY FLOWS WILL CONTINUE DOWN STREAM INTO LAGO GUAJATACA    
  DURING THE NEXT SEVERAL HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 1834 6696 1842 6697 1840 6690 1838 6686
      1824 6682 1828 6687

$$

SNELL

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
124 
WGCA72 TJSJ 192115
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
515 PM AST MON SEP 19 2011

PRC027-071-081-115-131-192123-
/O.EXP.TJSJ.FF.W.0143.000000T0000Z-110919T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARES PR-SAN SEBASTIAN PR-ISABELA PR-CAMUY PR-QUEBRADILLAS PR-
515 PM AST MON SEP 19 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 515 PM AST FOR
QUEBRADILLAS...CAMUY...ISABELA...SAN SEBASTIAN AND LARES
MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
MOVED AWAY. IN ADDITION...WATER LEVELS AT RIO GUAJATACA HAVE RECEDED 
IN THE LAST HOUR.

LAT...LON 1834 6696 1842 6697 1840 6690 1838 6686
      1824 6682 1828 6687

$$

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 19, 11:54 AM CDTAreal Flood AdvisoryJSJ4 hr
Sep 19, 12:20 PM CDTAreal Flood AdvisoryJSJ3 hr
Sep 19, 12:52 PM CDTAreal Flood AdvisoryJSJ113 min
Sep 19, 2:48 PM CDTAreal Flood AdvisoryJSJ117 min
Sep 19, 4:41 PM CDTSpecial Marine WarningJSJ34 min
Sep 19, 4:44 PM CDTSpecial Marine WarningJSJ31 min
Sep 19, 5:19 PM CDTAreal Flood AdvisoryJSJ3 hr
Sep 19, 5:35 PM CDTAreal Flood WarningJSJ11 hr
Sep 19, 5:36 PM CDTAreal Flood AdvisoryJSJ3 hr
Sep 19, 6:02 PM CDTSpecial Marine WarningJSJ58 min
Sep 19, 6:36 PM CDTFlash Flood WarningJSJ3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2011Every flash flood warning 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; radar from the NEXRAD Level II archive.