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Joined: Oct 1999
Posts: 84,397
Marty Offline OP
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Belize Weather Forecast: August 31, 2019


General Situation:
Ambergris Caye: Conditions this morning by Elbert just before or after this post!
Belize NMS: Present Condition: Clear skies. Warm, moist and relatively unstable conditions prevail over the area. Advisories: None.
24-hour forecast: Sunny with cloudy spells today and cloudy periods tonight. A few showers and isolated thunderstorms will develop over inland areas this afternoon and then again tonight, increasing and spreading to mostly northern and central areas of the country.
Winds: Variable | 5-10 kts, Sea State: Slight-Light Chop
Sea Surface Temperature (°f): 86
Outlook: Some cloudy spells with a few showers and isolated thunderstorms developing inland late Sunday afternoon into evening, increasing to affect mostly southern and inland areas during the night.
Tropical Weather Outlook: At 6:00am the eye of Cat 4 Hurricane Dorian was located near 25.8N, 73.0W or about 280mls east of the northwestern Bahamas. Dorian was moving westward at 12mph with maximum sustained winds of 145mph. A broad area of low pressure over the southeastern Gulf of Mexico has a low chance of further development during the next 2-5 days. Click for more...

Marine Conditions:

  Winds Seas Waves Details
Today Variable 5-10 kts Slight-Light Chop 1-3 ft ISOLATED SHOWERS OR THUNDERSTORMS.
Tonight Variable 5-10 kts Slight-Light Chop 1-3 ft A FEW SHOWERS AND THUNDERSTORMS.
Tomorrow Variable 5-10 kts Slight-Light Chop 1-3 ft A FEW SHOWERS AND ISOLATED THUNDERSTORMS, DECREASING.
Outlook E-SE 5-15 kts Slight-Light Chop 1-3 ft SUNDAY NIGHT:- A FEW LATE SHOWERS AND ISOLATED THUNDERSTORMS. WINDS BECOMING W 5-10KT.

The Caribbean Sea

An inverted trough is seen in the NW Caribbean from 24N84W to a 1011 mb low pressure near 21N85W to 16N85W. This is providing an anchor for scattered thunderstorms across the northern portions of the basin, from 20N-22N between 80W-84W. The rest of the basin remains under fair weather. Latest scatterometer data depicts moderate to fresh trades in the central Caribbean with light to gentle trades elsewhere.

A tropical wave will cross the Windward Islands into the eastern Caribbean this afternoon, then reach the central caribbean by Monday night. Moderate to fresh winds are expected across the eastern and central Caribbean, with gentle to moderate winds prevailing over the NW Caribbean.


  High Low
Coastal 33° C
92° F
24° C
76° F
Inland 36deg; C
96° F
22° C
72° F
Hills 31° C
88° F
20° C
68° F
TIDES:
High: 10:33 AM Low: 5:01 PM
High: 11:09 PM Low: 5:01 AM (Sun)
Sunrise: 5:38 AM Moonrise: 5:46 AM
Sunset: 6:50 PM Moonset: 7:30 PM




Four Day Weather Outlook:


For more information, check the Daily Tropical Weather Outlook.

Climate Prediction Center's Central America Hazards Outlook

Belize National Emergency Management Organization (NEMO)

Ambergris Caye:
https://www.wunderground.com/weather/bz/san-pedro

Philip S W Goldson International Airport:
https://www.wunderground.com/weather/bz/belize/MZBZ?cm_ven=localwx_today

Belmopan:
https://www.wunderground.com/weather/bz/belmopan/17.26%2C-88.78

Caye Caulker:
http://cayecaulkerweather.com/weatherdata/caye-caulker-belize-live-weather-data.htm


Joined: Dec 2006
Posts: 13,675
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On Ambergris Caye this morning we have another glassy calm seastate. The hint of a breeze is from the North at 2 mph. It's gona be hot.

aug 31st.jpg

White Sands Dive Shop
https://whitesandsdiveshop.com/
Joined: Oct 1999
Posts: 84,397
Marty Offline OP
OP Offline
Overnight, the north air has taken over again. It brought a lot of rain to southern Mexico and Guatamala, but mostly just outside our border, this morning no rain in sight. Only a few traces of easterly Caribbean winds pushing in over the cooler air. The morning light air is a "Tiger" wind from the SW.

Looks like another hot sunny day, with some cloud developing later this morning, only a small chance of any rain, hopefully there might be by this afternoon or night.

[Linked Image]

Temperatures in Belmopan : ( Coast usually cooler, hills even cooler )
Last night min. 24°C 75°F Yesterday max. 36°C 96°F Yesterday Rain 0.0 mm (0.00" )

Joined: Oct 1999
Posts: 84,397
Marty Offline OP
OP Offline
Present Condition: Sunny

[Linked Image]

Joined: Oct 1999
Posts: 84,397
Marty Offline OP
OP Offline
The easterly Caribbean winds are fighting back now, and clashing with the lower cool air, causing some rain.

[Linked Image]

Joined: Oct 1999
Posts: 84,397
Marty Offline OP
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Now we are getting some rain.

[Linked Image]

Monthly Weather Summary, August 2019

National Meteorological Service of Belize

Climatologically speaking, August is known for its two weeks dry spell known locally as the "maga season". As a result, a marked drop in rainfall can be seen around August when looking at the annual rainfall distribution for the country. Weather systems that typically affect Belize during the month of August are Tropical Waves (TWs), Tropical Upper Tropospheric Troughs (TUTTs) and an occasional Tropical Cyclone (TCs) (tropical depression, tropical storm or hurricane).

Abnormally dry conditions continued in August 2019 with rainfall being below normal across most of the country. The first day of the month started off relatively dry with showers and thunderstorms being generally isolated. A tropical wave was approaching the area. By the 2nd of the month the wave was located over the Gulf of Honduras and it crossed late in the evening. This supported an increase in moisture which peaked on the 3rd. As a result a few showers affected mainly inland areas that day.

Conditions became mostly dry on the 4th with little to no rainfall across the country. Generally fair weather persisted through to the 7th of the month. The only exception was over the Toledo district at nighttime where a few showers and thunderstorms developed. Otherwise the rest of the country saw only isolated showers or thunderstorms. The National Hurricane Center (NHC) analysis suggests that the second and third tropical waves for the month crossed the country late on the 5th and 7th respectively but most of the activity with these systems was confined to southern Belize.

The fourth tropical wave for August 2019 crossed on the 9th. The approach of this wave supported an increase in moisture on the previous day with a few showers and possible thunderstorms affecting central and northern districts. Moisture increased further on the night of the 8th through early morning of the 9th resulting in some showers, thunderstorms and periods of rain mainly over southern and coastal areas. Although conditions continued cloudy for the rest of the day, showers and thunderstorms decreased.

Showers returned to the Toledo district late night on the 9th into early morning of the 10th but again this activity decreased throughout the day with weather conditions becoming generally fair over most areas. Fair and warm weather then prevailed over the area from the 11th through to the 13th. A weak tropical wave (the fifth for the month) that crossed early on the 13th only helped to support early morning isolated showers over the Toledo district. Relatively dry conditions continued the following two days (14th and 15th) with slightly more activity over southern areas in the nighttime and over inland areas in the afternoon hours. Another weak tropical wave crossed early on the 15th.

Moisture increased slightly on the 16th but showers remained isolated. A further increase in moisture the following day supported the development of a few showers and isolated thunderstorms across the country. This was associated with the 7th tropical wave for the month that crossed around midnight. As a result a few showers continued over the south overnight on the 17th then showers shifted to northern areas in the early morning hours of the 18th. The remainder of the 18th saw a return to generally fair conditions. Mainly fair weather continued on the 19th except for the development of a few early morning showers over the Maya Mountains.

The 8th tropical wave for August 2019 crossed on the 20th. This wave was a bit more active as it was being enhanced by favorable upper level conditions due to a TUTT/low with axis west of the country. This resulted in a few showers and periods of rain affecting the country. Moisture decreased as the system moved away the following day. Showers occurred in the morning with conditions becoming generally fair by afternoon.

A significant dry spell was then noted from the 22nd to the 29th of August 2019. This period saw mainly fair and warm weather across the country. The 9th tropical wave for the month crossed on the night of the 26th but this system was weak and did not produce any significant rainfall except for a few showers and thunderstorms over the Toledo district. The next tropical wave which crossed early morning of the 28th was also rather weak and inactive with isolated showers and thunderstorm activity confined to the extreme southwestern portions of the country.

The last two days of August 2019 saw a very slack pressure pattern develop over the area. This resulted in very light and variable winds across the country. Subsequently, daytime maximum temperatures soared especially over the mainland. This lead to the development of afternoon showers and thunderstorms over inland and northern areas. Tower Hill in the Orange Walk district recorded 73.6 mm and 65.3 mm of rainfall on the 30th and 31st respectively. This made of for the deficit in rainfall experienced earlier in the month over that station helping it to almost achieve its normal for the month.

Although a total of ten tropical waves crossed the area in August 2019, these were mostly weak and most of the activity associated with them was confined to southern areas of the country. As a result rainfall was well below normal for most of the country during the month. The graph and maps below summarize the total rainfall and average maximum and minimum temperature recorded during the month of August 2019. They also give an indication of how these readings compare to the normal for the month across the stations sampled. As can be seen, rainfall was below normal for most of the country during the month. Tower Hill in the Orange Walk district saw near normal rainfall due to just two days of intense afternoon thunderstorm activity during the final days of the month. Otherwise most of the country saw record low rainfall. It is worth noting the the Airport station recorded its lowest total rainfall for August since record keeping began at this station in 1952. In terms of maximum/daytime temperatures, all of the stations sampled here show that daytime temperatures were warmer than normal during August 2019. A similar conclusion can be made about the nighttime/minimum temperatures across the country, except for Central Farm where nighttimes were slightly cooler than average for the month.

Monthly Rainfall Summary

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Monthly Maximum Temperatures

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Monthly Minimum Temperatures

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Rainfall Observed: January 2019 (mm)

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Rainfall Observed: January 2019 (% Above/Below Average)

[Linked Image]


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