Hazardous Weather Outlook
Issued by NWS San Juan, PR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
000
FLCA42 TJSJ 171516 AAA
HWOSJU

Hazardous Weather Outlook...UPDATED
National Weather Service San Juan PR
1116 AM AST Thu Aug 17 2017

AMZ710>745-PRZ001>013-181530-
San Juan and Vicinity-Northeast-Southeast-Eastern Interior-
North Central-Central Interior-Ponce and Vicinity-Nortwest-
Western Interior-Mayaguez and Vicinity-Southwest-Culebra-Vieques-
The nearshore and off shore Atlantic and Caribbean Coastal Waters-
1116 AM AST Thu Aug 17 2017

This Hazardous Weather Outlook is for Puerto Rico and the adjacent
Atlantic Coastal Waters.

.Day One...This Afternoon and Tonight

.Thunderstorms...There is a chance of thunderstorms with heavy
rainfall and gusty winds today across mainland Puerto Rico, Culebra
and Vieques.

.Flooding...Heavy rains could lead to urban and small stream
flooding. Minor river flooding is possible.

.Wind...Sustained winds in excess of 25 MPH is expected across
isolated land areas and local marine waters.

.Waves...Choppy/Rough seas up to 8 feet are expected across in all
waters except near shore waters west of Puerto Rico.

.Rip Currents...There is a moderate to high risk of rip currents for
all but western Puerto Rico including Culebra and Vieques. The high
risk will be found on the northern coast of Puerto Rico and the
eastern tips of Culebra and Vieques.

.Days Two through Seven...Friday through Wednesday

Weather conditions are expected to improve tonight. However, Potential
Tropical Storm number 9 will move through the Caribbean Sea well south
of the area Friday and Saturday. This will increase once again the
potential for thunderstorms with urban and small stream flooding. The
moderate to high risk of rip current is expected to continue during
the next few days as well. Heat indices will reach 102 to 107 degrees
in some lower elevation sites during most afternoons.

.Spotter information statement...

Spotters are encouraged to report High winds, Flooding, Waterspouts or
Rip Currents to the National Weather Service in San Juan.

$$

AMZ715-725-VIZ001-002-181530-
St. Thomas St. John adjacent Islands-St Croix-
Nearshore Atlantic and adjacent Caribbean Coastal Waters-
1116 AM AST Thu Aug 17 2017

This Hazardous Weather Outlook is for the U.S. Virgin Islands and the
ADJACENT Coastal Waters.

.Day One...This Afternoon and Tonight

.Thunderstorms...There is a slight chance of thunderstorms with heavy
rainfall and brief gusty winds this afternoon.

.Wind...Sustained winds in excess of 25 MPH are possible across
the local waters.

.Waves...Choppy/Rough seas up to 8 feet expected across the local
outer waters with the highest seas in the northeast Atlantic.

.Rip Currents...There is a moderate to high risk of rip currents for
the U.S. Virgin Islands. The high risk will be found on north and east
Saint Croix.

.Heat...High humidities will result in above normal in heat indices of
102 to 107 degrees in the northern elevations.

.Days Two through Seven...Friday through Wednesday

Weather conditions are expected to improve tonight. However, Potential
Tropical Storm number 9 will move through the Caribbean Sea well south
of the area Friday and Saturday. This will bring a limited potential
for thunderstorms with urban and gut flooding. The moderate to high
risk of rip current is expected to continue during the next few days
as well. Heat indices will reach 102 to 107 degrees in some lower
elevation sites during most afternoons.

.Spotter information statement...

Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report High winds, Flooding, Waterspouts or
Rip Currents to the National Weather Service in San Juan.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.