Alert archive / Puerto Rico / Red Flag Warnings in 2018

Red Flag Warning 4, NWS JSJ

December 31, 2018

NWS JSJ issued this red flag warning at Dec 31, 2018, 3:51 AM CST. It took effect at Dec 31, 2018, 8:00 AM CST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 31, 2018, 3:51 AM CST (09:51 UTC)
In effect from
Dec 31, 2018, 8:00 AM CST
Expired
Dec 31, 2018, 2:00 PM CST
In force
6 hr
Issued by
NWS JSJ

The text

As transmitted.

179 
WWCA82 TJSJ 310951
RFWSJU

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Juan PR
551 AM AST Mon Dec 31 2018

...Dry conditions will elevate fire danger...

.Low fuel moistures, high KBDI values and relative humidities
below critical values will cause a few hours of high fire 
behavior danger.

PRZ014-027-312000-
/O.NEW.TJSJ.FW.W.0004.181231T1400Z-181231T2000Z/
South Central Coastal Plains-
Southwest Coastal Plains and Mona Island-
551 AM AST Mon Dec 31 2018

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST
THIS AFTERNOON FOR WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE 
WEATHER ZONES 014 AND 027...

The National Weather Service in San Juan has issued a Red Flag
Warning, which is in effect from 10 AM this morning to 4 PM AST
this afternoon. 

* AFFECTED AREA...Fire weather zones 014 and 027.

* WIND...15 to 20 mph with higher gusts.

* HUMIDITY...35 to 45 percent.

* THUNDERSTORMS...none.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

Snell

Nearby

Red Flag Warnings in Puerto Rico, 2018Every red flag warning in 2018

Sources

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