Alert archive / Puerto Rico / Flash Flood Warnings in 2022

Flash Flood Warning 2, NWS JSJ

February 1, 2022

NWS JSJ issued this flash flood warning at Feb 1, 2022, 5:08 PM CST. It was in force for 112 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: Feb 1, 2022, 5:08 PM CST (23:08 UTC)
Expired: Feb 1, 2022, 7:00 PM CST
In force: 112 min
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 33 km from the middle of the area, began a volume at 23:07 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.

905 
WGCA52 TJSJ 012308
FFWSJU
PRC047-135-020100-
/O.NEW.TJSJ.FF.W.0002.220201T2308Z-220202T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
708 PM AST Tue Feb 1 2022

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Corozal in Puerto Rico...
  Toa Alta in Puerto Rico...

* Until 900 PM AST.

* At 708 PM AST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 3 and 5 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Emergency management in Corozal 
  reported some minor flooding earlier. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 1838 6631 1839 6626 1840 6623 1839 6620
      1832 6621 1833 6622 1832 6623 1833 6624
      1833 6625 1833 6628 1827 6629 1826 6630
      1824 6635 1827 6638 1833 6636 1835 6635
      1836 6636 1837 6632

FLASH FLOOD...RADAR INDICATED

$$

CRS

1 follow-up statement

190 
WGCA72 TJSJ 020057
FFSSJU

Flash Flood Statement
National Weather Service San Juan PR
857 PM AST Tue Feb 1 2022

PRC047-135-020107-
/O.EXP.TJSJ.FF.W.0002.000000T0000Z-220202T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Corozal PR-Toa Alta PR-
857 PM AST Tue Feb 1 2022

...FLASH FLOOD WARNING WILL EXPIRE AT 9 PM AST THIS EVENING FOR 
COROZAL AND TOA ALTA...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 1838 6631 1839 6626 1840 6623 1839 6620
      1832 6621 1833 6622 1832 6623 1833 6624
      1833 6625 1833 6628 1827 6629 1826 6630
      1824 6635 1827 6638 1833 6636 1835 6635
      1836 6636 1837 6632

$$

CRS

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Jan 31, 7:38 PM CST	Areal Flood Warning	JSJ	91 min
Jan 31, 11:48 PM CST	Areal Flood Advisory	JSJ	117 min
Feb 1, 1:40 PM CST	Special Weather Statement	JSJ	65 min
Feb 1, 4:51 PM CST	Areal Flood Advisory	JSJ	114 min
Feb 1, 5:47 PM CST	Areal Flood Advisory	JSJ	118 min

Nearby

Flash Flood Warnings in Puerto Rico, 2022 Every flash flood warning in 2022

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.