NATIONAL METEOROLOGICAL SERVICE OF BELIZE

FORECAST DISCUSSION

DATE: SUNDAY 19TH MAY (EVENING)  

SKIES WERE  SUNNY WITH CLOUDY SPELLS THIS AFTERNOON. SAT PIX SHOWED MUCH CUMULUS ACROSS THE COUNTRY. RADAR IMAGES SHOWEDISOLATED  SHOWERS  SOUTH OF BENQUE VIEJO TOWN ALONG THE BORDER WITH GUATEMALA. WATER VAPOR LOOP SHOWED MOSTLY DRY AIR STREAMING FROM THE NW.

AT  200MB  AND 300MB THE FLOW IS NW'LY RODUCED BY A RIDGE OVER SOUTHERN MEXICO AND NORTHERN CENTRAL AMERICA. THE PATTERN IS CONVERGENT.  AT 700MB, CONDITIONS ARE DRY AND  THE FLOW IS SE'LY, PRODUCE BY A COMBINATION OF A TROUGH IN THE GULF AND A HIGH WEST OF FLORIDA.  AT 850MB, CONDITIONS ARE DRY  AND  THE  FLOW IS  SE'LY.  AT THE SURFACE THE ATLANTIC HIGH SUPPORTS A MODERATE  E/SE'LY FLOW AROSS THE CARIBBEAN INCLUDING BELIZE AND HEAT LOWS AFFECT MEXICO.

SUNDAY NIGHT AND MON:

THE FLOW AT 200MB  AND 300MB REMAINS NW'LY AS THE RIDGE PERSIST. AT 700MB, CONDITIONS REMAIN DRY AND THE FLOW REMAINS FROMTHE SE AS THE TROUGH PERSIST IN THE GULF.   AT 850MB, MOISTURE INCREASE OVER INLAND AREAS AND THE FLOW REMANS FROM THE SE.  AT THE SURFACE THE SE'LY FLOW PERSIST AND  GFS SHOWS .01IN IN ALONG THE SOUTH COAST TONIGHT AND INLAND AREAS TOMORROW AFTERNOON. NAM SHOWS NO RAINFALL.

MON. NIGHT AND TUES:

THE FLOW AT 200MB  BACKS UP TO THE WEST  AND REMIANS NW'LY AT 300MB.  AT 700MB, CONDITIONS REMAINS DRY  AND THE FLOW REMAINS SE'LY. AT 850MB, MOISTURE LEVELS REMAIN HIGH  OVER INLAND AREAS AND THE FLOW REMAINS SE'LY   AT THE SURFACE, THE SE'LY FLOW ALSO PERSIST.  GFS SHOWS .01IN AROUND THE COUNTRY DURING THIS CYCLE. NAM SHOWS NO RAINFALL DURING THIS CYCLE.

FORECAST: PARTLY CLOUDY SKIES TONIGHT AND SUNNY WITH CLOUDY SPELLS TOMORROW. SHOWERS WILL BE ISOLATED.

EXTENDED: SIMILAR WEATHER CONDITIONS CONTINUE ON MON. NIGHT AND TUES. 

MARINE: WINDS: EAST TO SOUTHEAST 10-20 KNOTS WITH OCCNL HIGHER GUSTS. SEAS: CHOPPY-MODERATE BECMG ROUGH AT TIMES *SMALL CRAFT CAUTION*. WAVES: 4-6 FT. ISOLATED SHOWERS.

FORECASTER: Wellington