Toa Alta, PR

2:47 PM AST on February 13, 2012 (GMT -0400)
Elev: 89 ft
Lon: 66.3° W
Lat: 18.4° N
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Active Advisory: Coastal Flood Advisory, High Surf Advisory (US Severe Weather)
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Jessica Parker
Weather Underground Forecast for Monday, February 13, 2012.

The trough of low pressure that brought unsettled weather to the West on Sunday will advance into the Plains on Monday with more mixed precipitation. The trough will support a low and associated warm front moving eastward into the Southern Plains. As the system progresses, rain showers with periods of heavy rain and isolated thunderstorms will spread from parts of central/eastern Texas into western Louisiana, mixed precipitation will develop in parts of Oklahoma and Arkansas, and snow will blanket parts of the Central Plains, Mid-Mississippi Valley, and parts of the western Ohio Valley. Areas from eastern Texas through Arkansas should expect the heaviest precipitation totals. Heightened winter weather conditions will allow Winter Weather Advisories and a few Winter Storm Warnings to remain in effect through the day. Elsewhere east of the Continental Divide, lake-effect snow showers will continue along parts of the Lower Great Lakes Snowbelt.

In the West, a Pacific cold front pushing across the Pacific Northwest will drop southward across northern California, bringing coastal and valley rain and significant snowfall to the Sierra Nevadas.
Weather Underground Forecast for Monday, February 13, 2012.

The trough of low pressure that brought unsettled weather to the West on Sunday will advance into the Plains on Monday with more mixed precipitation. The trough will support a low and associated warm front moving eastward into the Southern Plains. As the system progresses, rain showers with periods of heavy rain and isolated thunderstorms will spread from parts of central/eastern Texas into western Louisiana, mixed precipitation will develop in parts of Oklahoma and Arkansas, and snow will blanket parts of the Central Plains, Mid-Mississippi Valley, and parts of the western Ohio Valley. Areas from eastern Texas through Arkansas should expect the heaviest precipitation totals. Heightened winter weather conditions will allow Winter Weather Advisories and a few Winter Storm Warnings to remain in effect through the day. Elsewhere east of the Continental Divide, lake-effect snow showers will continue along parts of the Lower Great Lakes Snowbelt.

In the West, a Pacific cold front pushing across the Pacific Northwest will drop southward across northern California, bringing coastal and valley rain and significant snowfall to the Sierra Nevadas.
Weather Underground Broadcast Network
Toa Alta Weather at a Glance
Updated 2:46 PM AST
Elevation
156 ft
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Now
Scattered Clouds
Scattered Clouds
Temperature
80.8 °F
Feels Like 85 °F
Wind(mph)
4.0
Sunrise / Set
6:53 AM
6:24 PM
Moon
Waning Gibbous
Today
Rain Showers 86 °F
Rain Showers
20% chance of precipitation
Tonight
Rain Showers 67 °F
Rain Showers
20% chance of precipitation
Tomorrow
Rain Showers 83 | 68 °F
Rain Showers
30% chance of precipitation
Wednesday
Rain Showers 81 | 68 °F
Rain Showers
20% chance of precipitation
Thursday
Rain Showers 81 | 67 °F
Rain Showers
20% chance of precipitation
Friday
Rain Showers 81 | 67 °F
Rain Showers
20% chance of precipitation
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.94 in
Visibility
10.0 miles
Clouds
Few 3200 ft
Scattered Clouds 7500 ft
Moisture
Humidity
74%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR TJSJ 131756Z 01008KT 10SM FEW032 SCT075 27/20 A2996 RMK AO2 SLP145 T02720200 10278 20228 56020
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Weather Radio
Weather Radio Index
Temperature
Heat Index
85 °F
Dew Point
72 °F
Wind
Speed / Dir
4.0 mph from SSW
Wind Gust
6.0 mph
Health
UV
6 out of 16
Pollen
Not available.
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for San Juan and Vicinity
Rest of Today
partlycloudy Partly cloudy with isolated showers. Highs 87 lower elevations ranging to 72 higher elevations. Northeast winds up to 10 mph. Chance of rain 20 percent.
Tonight
nt_partlycloudy Partly cloudy with isolated showers. Lows 72 lower elevations ranging to 63 higher elevations. East winds up to 10 mph. Chance of rain 20 percent.
Tuesday
chancerain Partly cloudy with isolated showers until late afternoon...then variably cloudy with scattered showers late in the afternoon. Highs 86 lower elevations ranging to 72 higher elevations. East winds 5 to 15 mph. Chance of rain 30 percent.
Tuesday Night
nt_chancerain Variably cloudy with scattered showers early in the evening...then partly cloudy with isolated showers in the late evening and overnight. Lows 73 lower elevations ranging to 65 higher elevations. East winds up to 10 mph. Chance of rain 30 percent.
Wednesday
partlycloudy Partly cloudy with isolated showers. Highs 86 lower elevations ranging to 72 higher elevations. East winds 5 to 15 mph. Chance of rain 20 percent.
Wednesday Night
nt_partlycloudy Partly cloudy with isolated showers. Lows 73 lower elevations ranging to 64 higher elevations. Chance of rain 20 percent.
Thursday
partlycloudy Partly cloudy with isolated showers. Highs 86 lower elevations ranging to 71 higher elevations. Chance of rain 20 percent.
Thursday Night
nt_partlycloudy Partly cloudy with isolated showers. Lows 72 lower elevations ranging to 63 higher elevations. Chance of rain 20 percent.
Friday
partlycloudy Partly cloudy with isolated showers. Highs 86 lower elevations ranging to 71 higher elevations. Chance of rain 20 percent.
Friday Night
nt_partlycloudy Partly cloudy with isolated showers. Lows 73 lower elevations ranging to 64 higher elevations. Chance of rain 20 percent.
Saturday
partlycloudy Partly cloudy in the morning then becoming variably cloudy. Isolated showers. Highs 86 lower elevations ranging to 72 higher elevations. Chance of rain 20 percent.
Saturday Night
nt_chancerain Variably cloudy. Isolated showers in the evening... then scattered showers after midnight. Lows 72 lower elevations ranging to 63 higher elevations. Chance of rain 40 percent.
Sunday
chancerain Variably cloudy with scattered showers in the morning... then partly cloudy with isolated showers in the afternoon. Highs 85 lower elevations ranging to 72 higher elevations. Chance of rain 40 percent.
Source: NWS at 10:32 am AST on February 13, 2012
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Nowcast
High surf advisory in effect from 6 PM this evening to 6 am AST Wednesday...
Coastal Flood Watch in effect from 6 PM AST this evening through Tuesday afternoon...
Forecast
View Calendar 7-Day Weather Forecast for 00953
Monday, 13
Rain Showers
86 | 67 °F
Rain Showers
Chance of
Precipitation
20%
Tuesday, 14
Rain Showers
83 | 68 °F
Rain Showers
Chance of
Precipitation
30%
Wednesday, 15
Rain Showers
81 | 68 °F
Rain Showers
Chance of
Precipitation
20%
Thursday, 16
Rain Showers
81 | 67 °F
Rain Showers
Chance of
Precipitation
20%
Friday, 17
Rain Showers
81 | 67 °F
Rain Showers
Chance of
Precipitation
20%
Saturday, 18
Clear
81 | 67 °F
Clear
Chance of
Precipitation
10%
Sunday, 19
Clear
81 | NA
Clear
Chance of
Precipitation
10%
Source: NWS at 10:32 am AST on February 13, 2012
Regional Forecast for San Juan and Vicinity
Rest of Today
partlycloudy Partly cloudy with isolated showers. Highs 87 lower elevations ranging to 72 higher elevations. Northeast winds up to 10 mph. Chance of rain 20 percent.
Tonight
nt_partlycloudy Partly cloudy with isolated showers. Lows 72 lower elevations ranging to 63 higher elevations. East winds up to 10 mph. Chance of rain 20 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 67 81 | 68 75 | 66 69 | 69
Wind 1 mph ENE 2 mph NNE 6 mph NE 2 mph East
Humidity 93% 65% 71% 97%
Chance of Precip. 0% 20% 20% 20%
Cloud Cover 19% 0% 0% 0%
Conditions Clear Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:53 AM
6:24 PM
Source: NWS at 10:32 am AST on February 13, 2012
Regional Forecast for San Juan and Vicinity
Tuesday
chancerain Partly cloudy with isolated showers until late afternoon...then variably cloudy with scattered showers late in the afternoon. Highs 86 lower elevations ranging to 72 higher elevations. East winds 5 to 15 mph. Chance of rain 30 percent.
Tuesday Night
nt_chancerain Variably cloudy with scattered showers early in the evening...then partly cloudy with isolated showers in the late evening and overnight. Lows 73 lower elevations ranging to 65 higher elevations. East winds up to 10 mph. Chance of rain 30 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 67 81 | 68 76 | 66 71 | 67
Wind 1 mph South 7 mph ENE 6 mph ESE 4 mph East
Humidity 92% 65% 70% 86%
Chance of Precip. 20% 30% 30% 30%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:53 AM
6:25 PM
Source: NWS at 10:32 am AST on February 13, 2012
Regional Forecast for San Juan and Vicinity
Wednesday
partlycloudy Partly cloudy with isolated showers. Highs 86 lower elevations ranging to 72 higher elevations. East winds 5 to 15 mph. Chance of rain 20 percent.
Wednesday Night
nt_partlycloudy Partly cloudy with isolated showers. Lows 73 lower elevations ranging to 64 higher elevations. Chance of rain 20 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 67 81 | 68 75 | 68 70 | 68
Wind 5 mph East 10 mph East 9 mph ENE 5 mph ENE
Humidity 88% 67% 78% 93%
Chance of Precip. 30% 20% 20% 20%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:52 AM
6:25 PM
Source: NWS at 10:32 am AST on February 13, 2012
Regional Forecast for San Juan and Vicinity
Thursday
partlycloudy Partly cloudy with isolated showers. Highs 86 lower elevations ranging to 71 higher elevations. Chance of rain 20 percent.
Thursday Night
nt_partlycloudy Partly cloudy with isolated showers. Lows 72 lower elevations ranging to 63 higher elevations. Chance of rain 20 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 67 79 | 67 75 | 67 69 | 67
Wind 6 mph ENE 8 mph ENE 8 mph ENE 6 mph ENE
Humidity 90% 64% 78% 91%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:52 AM
6:26 PM
Source: NWS at 10:32 am AST on February 13, 2012
Regional Forecast for San Juan and Vicinity
Friday
partlycloudy Partly cloudy with isolated showers. Highs 86 lower elevations ranging to 71 higher elevations. Chance of rain 20 percent.
Friday Night
nt_partlycloudy Partly cloudy with isolated showers. Lows 73 lower elevations ranging to 64 higher elevations. Chance of rain 20 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 67 79 | 67 75 | 67 69 | 67
Wind 6 mph ENE 7 mph East 6 mph ENE 6 mph East
Humidity 83% 67% 75% 89%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:51 AM
6:26 PM
Source: NWS at 10:32 am AST on February 13, 2012
Regional Forecast for San Juan and Vicinity
Saturday
partlycloudy Partly cloudy in the morning then becoming variably cloudy. Isolated showers. Highs 86 lower elevations ranging to 72 higher elevations. Chance of rain 20 percent.
Saturday Night
nt_chancerain Variably cloudy. Isolated showers in the evening... then scattered showers after midnight. Lows 72 lower elevations ranging to 63 higher elevations. Chance of rain 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 67 77 | 67 74 | 67 69 | 67
Wind 6 mph East 6 mph ESE 6 mph East 5 mph East
Humidity 85% 70% 79% 93%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Partly Cloudy
Sunrise & Sunset
6:51 AM
6:26 PM
Source: NWS at 10:32 am AST on February 13, 2012
Regional Forecast for San Juan and Vicinity
Sunday
chancerain Variably cloudy with scattered showers in the morning... then partly cloudy with isolated showers in the afternoon. Highs 85 lower elevations ranging to 72 higher elevations. Chance of rain 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 67 79 | 67 75 | 67 69 | 67
Wind 5 mph East 6 mph ESE 6 mph East 5 mph East
Humidity 86% 68% 77% 93%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 0% 0% 0% 0%
Conditions Partly Cloudy Partly Cloudy Rain Showers Partly Cloudy
Sunrise & Sunset
6:51 AM
6:26 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 13, 2012 Max Temp Min Temp
Normal (TJSJ) 83 °F 71 °F
Record (TJSJ) 92 °F (1979) 64 °F (1957)
Yesterday 87 °F 72 °F
Yesterday's Cooling Degree Days: 15
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Cataño, PR 44 miles 2.8 12:04 AM AST
2012-02-13
Settlement, British Virgin Islands 113 miles 3.4 1:26 AM AST
2012-02-12
Hatillo, PR 51 miles 2.9 3:20 PM AST
2012-02-11
Culebra, PR 60 miles 2.9 11:24 AM AST
2012-02-11
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Coastal Water Temperatures
Place Temperature
Arecibo, PR 78.1 °F
Fajardo, PR 79.0 °F
Aquadilla, PR 80.1 °F
San Juan, PR 80.1 °F
Mayaguez, PR 82.9 °F
Esperanza, PR 80.1 °F
Isabel Segunda, Vieques, PR 78.1 °F
Marine Forecast
Astronomy
Feb. 13, 2012 Rise Set
Actual Time 6:53 AM AST 6:24 PM AST
Civil Twilight 6:31 AM AST 6:47 PM AST
Nautical Twilight 6:05 AM AST 7:12 PM AST
Astronomical Twilight 5:40 AM AST 7:38 PM AST
Moon No Moon Rise 10:55 AM AST
Length Of Visible Light 12h 15m
Length of Day
11h 30m
Tomorrow will be 0m 57s longer.
Waning Gibbous, 61% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Aviation
City Temp. Conditions Updated
San Juan 81 °F Scattered Clouds 1:56 PM AST
Ponce 82 °F Mostly Cloudy 1:50 PM AST
Roosevelt Roads 81 °F Clear 1:53 PM AST
Aquadilla 81 °F Mostly Cloudy 1:50 PM AST
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (TJSJ)
Wind Speed: 8.0 kts.
Wind Dir: 198° (SSW)
Ceiling: Unlimited

METAR TJSJ 131756Z 01008KT 10SM FEW032 SCT075 27/20 A2996 RMK AO2 SLP145 T02720200 10278 20228 56020

View all Reports & Maps
Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Chance of Rain, 65 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
Northern Trust Open 8:30 AM PST on February 16, 2012 Partly Cloudy, 65 °F
Northern Trust Open 8:30 AM PST on February 17, 2012 Clear, 65 °F
Puerto Rico Open presented by seepuertorico.com 8:30 AM AST on March 08, 2012 Average High 80° F/ 26° C
Puerto Rico Open presented by seepuertorico.com 8:30 AM AST on March 09, 2012 Average High 80° F/ 26° C
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Montecasino Station, Toa Alta, PR 80.8 °F 85 °F 72 °F 74% SSW  at  4.0 mph 0.00 in / hr 156 ft 2:46 PM AST Rapid Fire  
HADS RIO CIBUCO BELOW COROZAL 1NW PR, Corozal, PR - - - - North  at  - 0.00 in / hr 194 ft 1:00 PM AST MADIS
NOS_NWLON San Juan, PR, San Juan, PR 80 °F 78 °F - - NE  at  7 mph 0.00 in / hr 0 ft 2:06 PM AST MADIS
APRSWXNET Dorado PR , Aguas Buenas, PR 82 °F 87 °F 72 °F 73% NE  at  5 mph 0.00 in / hr 40 ft 2:33 PM AST MADIS
MARITIME , San Juan, PR 78 °F 76 °F - - NNE  at  7 mph 0.00 in / hr 0 ft 2:00 PM AST MADIS
HADS RIO GRANDE DE MANATI NEAR MOROVI PR, Morovis, PR - - - - North  at  - 0.00 in / hr 439 ft 11:00 AM AST MADIS
Santurce, San Juan, PR 87.0 °F 93 °F 71 °F 60% North  at  6.7 mph 0.00 in / hr 33 ft 2:46 PM AST Rapid Fire  
HADS RIO GRANDE DE MAMATI AT CIALES 1 PR, Ciales, PR - - - - North  at  - 0.00 in / hr 140 ft 11:00 AM AST MADIS
Colinas de Fairview, Trujillo Alto, PR 87.1 °F 84 °F 40 °F 19% North  at  8.1 mph 0.00 in / hr 308 ft 2:47 PM AST Rapid Fire
HADS RIO GRANDE DE LOIZA BLO LAGO LOI PR, Trujillo Alto, PR - - - - North  at  - 0.00 in / hr 48 ft 1:45 PM AST MADIS
HADS RIO BAUTA NEAR OROCOVIS 4W PR, Orocovis, PR - - - - North  at  - 0.00 in / hr 772 ft 11:15 AM AST MADIS
HADS RIO CAGUAS AT VILLA BLANCA; CAGU PR, Caguas, PR - - - - North  at  - 0.00 in / hr 164 ft 1:45 PM AST MADIS
Urb. Bunker, Caguas, PR 82.6 °F 85 °F 66 °F 58% ESE  at  7.0 mph 0.00 in / hr 40 ft 2:33 PM AST Normal
Puente Teodoro Moscoso, Carolina, PR 78.6 °F 81 °F 68 °F 71% North  at  11.0 mph 0.00 in / hr 36 ft 2:45 PM AST Normal
UPR Bayamon, PR 82.0 °F 86 °F 70 °F 68% NW  at  9.0 mph 0.00 in / hr -10000 ft 2:40 PM AST Normal
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Coastal Flood Advisory, High Surf Advisory
Mobile & Email Alerts Statement as of 2:40 PM AST on February 13, 2012

... High surf advisory remains in effect from 6 PM this evening to
6 am AST Wednesday...
... Coastal Flood Advisory in effect from 8 PM this evening to
8 am AST Tuesday...

The National Weather Service in San Juan has issued a coastal
Flood Advisory... which is in effect from 8 PM this evening to
8 am AST Tuesday. The coastal Flood Watch is no longer in effect.
A high surf advisory remains in effect from 6 PM this evening to
6 am AST Wednesday.

* Waves and surf: northwest swells of 8 to 10 feet will generate
large breaking waves of 12 to 18 feet and numerous rip currents.

* Timing: tonight through Tuesday night.

* Impacts: numerous rip currents... minor coastal flooding and
beach erosion.

* Coastal flooding: total water rises of 2 to 4 feet above
inundation level are expected at the time of high tide tonight.
This may pose a threat to life and property with minor coastal
flooding and beach erosion expected.

* The times and heights of the high tides on Tuesday for the
following locations are:


Aguadilla: 1:22 am AST at 1.4 feet.

Arecibo: 1:34 am AST at 1.8 feet.

Mayaguez: 1:47 am AST at 1.6 feet.

Magens bay: 3:36 am AST at 0.9 feet.

San Juan harbor: 2:26 am AST at 1.4 feet.

Precautionary/preparedness actions...

A coastal Flood Advisory means that minor coastal flooding is
occurring or is possible within 12 hours.


Precautionary/preparedness actions...

A high surf advisory means that high surf will affect beaches in
the advisory area... producing rip currents and localized beach
erosion.

A coastal Flood Advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.