Monthly Weather Summary, September 2014

National Meteorological Service of Belize

The tropical waves came in September 2014 and brought much needed rains to Belize. The first day was cloudy across the country. A tropical wave crossed the country the previous day and its associated moisture and instability produced light rain and thundershowers through to the first day of September. The second of September saw only isolated showers as the tropical wave moved farther west, away from the country.

Between the third and sixth of the month, a tropical wave approached and crossed the country. This was supported by upper-level instability. The entire country experienced showers and thunderstorms.

On the seventh, another tropical wave crossed the country. The accompanying showers and thunderstorms affected mostly northern parts of Belize. Lingering moisture and instability produced a few showers on the eight.

Moisture and instability increased again on the ninth as yet another tropical wave crossed Belize. Much showers and thunderstorms accompanied its passage. This wave was also accompanied by a great amount of moisture and in its wake the following three days saw much showers and periods of rain across the country. On the twelfth and thirteenth, mainly the south of the country experienced some showers and thunderstorms.

The fourteenth saw the passage of another wave. This produced showers and thunderstorms across the country. On the fifteenth and sixteenth, shower activity gradually died down. Between the seventeenth and nineteenth, no special features affected the country. Only isolated showers were observed.

An upper-level trough moved over Belize on the twentieth and sat there for the next three days. This supported showers and thunderstorms around the country, but especially over inland areas. On the twenty-third, a tropical wave added more showers to the already wet conditions.

As the trough and wave moved away from the area, a ridge moved in on the twenty-fourth. This maintained showery weather through to the twenty-fifth. Showery weather was further prolonged on the twenty-sixth as another tropical wave crossed the country.

Showers began to decrease on the twenty-seventh and continued so on the twenty-eight. During this time showers affected mainly the south at night and early morning. This trend continued through to the twenty-ninth. On the last day, a few showers and isolated thunderstorms were observed around the country.

In conclusion, six active tropical waves brought much needed rainfall to the country. These were enhanced by upper-level instability produced by a trough and a ridge. Data collected from around the country shows rainfall amounts were above the average for September at majority of the stations.

Monthly Weather Summary for November 2014

Our weather started out cloudy and cool for the first weekend in November. A cold front extended from eastern Cuba across western Cuba to northern Belize There was also a stationary front ahead which extended from Jamaica to Cape Gracias a Dios.A high  pressure ridge(1032hPa)  extended south across the central Gulf of Mexico to Belize and Central America. The cold front eventually merged with the stationary front during Sunday afternoon (2nd).

Variably cloudy and cool weather started the first full week in November as the influence of the high pressure ridge persisted. The surface flow over Belize was northerly to northeasterly. A stationary front extended from Haiti to the coast of Nicaragua during Monday (3rd).Belize sounding for that morning was dry. An inversion layer was detected near 750hPa.The weather turned out cool and dry. The cool northeasterly surface flow prevailed on Tuesday as rain and showers remained mostly offshore. Skies remained cloudy into the late evening as showers and light rain occurred. The high pressure ridge over the eastern Gulf of Mexico and the Yucatan Peninsulas produced an east to northeasterly surface flow over Belize and the western Caribbean. Our weather continued to be cool and mostly dry. Another cold front appeared on weather charts along the Texas Gulf Coast early Wednesday morning (5th). Cloudy skies (layered clouds) with embedded weak convection increased over northern parts of the country late Wednesday evening. A 1023hPa  surface high over northern Florida/Georgia produced a northerly to northeasterly  surface  flow on Thursday(6th).The cold front was now over the northern Gulf of Mexico. During Thursday a few showers and periods of light rain along coastal areas moved inland after mid-morning. A high pressure ridge was noted over the western Gulf of Mexico on Friday(7th).The  front was stationary from central Florida to the northwest Gulf of Mexico then south to the western Bay of Campeche. Sunny and dry weather prevailed across the country on Saturday (8th).On Sunday a cold front extended across the eastern Bay of Campeche and the northwest Yucatan Peninsula to a low pressure center over the Florida Straits. Another front was noted along the Texas coast.The surface flow over Belize was northwesterly. During the afternoon skies turned cloudy with satellite imagery showing bands of layered clouds coursing southeast across the mainland. A few brief showers occurred at the International Airport during the afternoon and evening as the cold front crossed Belize.

Weather conditions at the start of the second week in November turned out mostly sunny, dry and cool. A high pressure ridge across the Gulf of Mexico supported a dry east to northeasterly surface flow. During Wednesday (12th) skies were cloudy at times and satellite imagery suggested light showers over northern, central and offshore Belize. The tail portion of the front weakened to a surface trough from central Cuba to near northern Honduras. Thursday’s weather (13th) turned out sunny as well. A cold front extended from Florida across the central Gulf of Mexico to near Tabasco, Mexico. A slack pressure gradient over the northwest Caribbean ensured light surface winds. During Saturday (14th) skies turned cloud across much of the country. The cloudiness started in the south first as a lingering surface trough (remnants of previous front) festered. For the rest of Saturday skies remained cloudy and showers occurred at several northern stations and the International Airport as well. Sunday's weather (16th) continued cloudy for central and northern Belize as a few showers and periods of light rain occurred. Weather conditions improved during the afternoon. Weather charts located a stationary front along the Texas Gulf coast and a stronger cold front further north over North-central Texas. The surface flow over Belize was easterly.

At the start of Monday (17th), the strong cold front over the northwest Gulf of Mexico extended from Louisiana to the northeast coast of Mexico. A dry and light southeasterly surface flow provided Belize with sunny and dry weather. A surface trough ahead of the front extended from 28°N83°W to 24°N89°W with scattered to numerous showers and thunderstorms east of the trough axis. An upper level ridge was anchored over the western Caribbean. Skies turned cloudy early Tuesday (18th) morning as showers and thunderstorms developed over northern and coastal areas. The International Airport recorded 83.5mm of rain for 9:00am.A rainfall station in the Orange Walk district measured 107.2mm for that morning. Though the showers decreased later, skies remained cloudy throughout the day. At 3:00pm the cold front extended through the Florida Straits and western Cuba to the Yucatan Peninsula to beyond 20°N88°W.The surface trough extended from 21°N84°W to the coast of Honduras near 16°N85°W.Strong ridging occurred over the western Gulf of Mexico behind the front. The cold front crossed northern Belize early Wednesday (19th) morning. Cool and cloudy weather with rainy weather for coastal areas characterized out weather during the morning. As the day wore on the rain clouds neared other areas of the coast to produce several periods of rain with isolated thunderstorms. The rainy weather persisted into to evening. The weather situation wasn't much different for at the start of Thursday (20th).The cloudy and rainy weather persisted. The stationary front extended from west central Cuba to the north coast of Honduras. The surface flow remained north to nottheasterly.Periodic outbreaks of rain showers occurred during the day. On Friday morning(21st) skies started out cloudy  and the morning sounding for Belize appeared moist(precipitable water=59.97mm).the tail end of the stationary front evolved into surface  trough across the Yucatan Straits to the coast of Belize. Though the surface flow continued light northeasterly, the cloudy sky conditions relented considerably. The weekend weather turned out quite sunny as an east to southeasterly airflow generated by an Atlantic surface high dominated.

Weather charts for the final Monday (24th) in the month showed a cold front on the Gulf coast of Texas, USA.For Belize our weather continues mostly sunny as the Atlantic surface high maintained the dry southeasterly airflow. Later on Monday, the cold front emerged over the northwest Gulf of Mexico. A pre frontal trough ahead of the front was over the north central Gulf of Mexico. The cold front headed southeast across the central Gulf of Mexico on Tuesday. Late Tuesday evening the front extended from central Florida across a 1011hPa surface low over the northeast Gulf of Mexico to the Bay of Campeche. Satellite imagery revealed the steady development of line convection over the Yucatan Peninsula and western and northern Belize during the evening. These showers and thunderstorms resulted from the pre frontal trough aligned ahead over the northeast Yucatan Peninsula. The showers and thunderstorms headed east and southeast for coastal parts of the country through Wednesday morning (26th).Cloudy; cool and windy weather prevailed during the day. The cold front extended from southern Florida across the southeast Gulf of Mexico near 26°N82°W to western Cuba then to the coast of Belize near 16°N89°W.Ridging from a continental surface high(1029Pa) centred  over northern Mexico supported a j gusty northerly t o northwesterly surface flow over Belize and coastal waters. San Pedro, Ambergris Cay recorded wind gusts to 32kts, while Cay Caulker recorded gusts to 27kts.Thursday's weather continued with relatively unchanged weather conditions (cloudy, windy and cool.) Periods of light to moderate rain occurred at sea and coastal areas as well as in the south. The front was now stationary form central Honduras across the western Caribbean to eastern Cuba before transitioning to a cold front over the Atlantic Ocean. Another cold front was over the central Gulf of Mexico early Friday morning(28th).The front extended from southern Florida then curved just north of the Yucatan Peninsula to the Texas Gulf coast near 27°N97°W.A surface high over the southeast United States continued produce ridging across the Gulf of Mexico and Belize. Our weather remained cloudy and windy with periods of light rain mainly over the sea, along the coast and in the south. The Tropical Prediction Center (TPC) pushed the second front across northern Belize Friday afternoon. This front extended from eastern Cuba across Belize to Guatemala and the Yucatan Peninsula. The stationary front was ahead and stretched from eastern Cuba, across Jamaica to offshore eastern Nicaragua. The second cold front merged with the stationary front early Saturday morning (29th).Though skies continued generally cloudy for southern Belize, elsewhere skies turned out quite sunny. Showers and the windy conditions from previous days subsided considerably. The continental surface high (1028hPa) centred near North Carolina maintained a cool north to northeasterly  surface flow. The northeasterly flow produced cloudy skies Sunday morning (30th).Coastal showers started over coastal waters at the cayes   close to midday, then spread too much of the coast during the afternoon and evening. The International Airport measured 113.5mm of rainfall. The rainfall was also excessive in Belize City, where localized flooding occurred at many locations.

Click on the link below for the Rainfall Summary for November,2014:

 Total Rainfall for November,2014

Click on the link below for the Minimum Temperature Summary for November,2014:

Minimum Temperature for November,2014

Click on the link below for the Maximum Temperature Summary for November,2014:

Maximum Temperature for November,2014

Click on the links below for the dekadal Rainfall Summary for November,2014:




On Ambergris Caye we've had strong squalls and a down-pouring of substantial amounts of rain.