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17 ° LAT. S
69 ° LONG. W
300 FAMILIES AFFECTED
BY DRIZZLE
160 FAMILIES
AFFECTED BY RAIN
CLOSED BORDER
CROSSING
SCFA
1.5mm
UCN : O.5 mm
TS DUST
GUSTS
45 KT 60KT
SCAT 1.6MM
6 mm
Canto del agua 6.5mm
JUNTA DEL CARMEN
4.5mm
EMBALSE SANTA JUANA
3.8MM
3mm
JUNTA DEL CARMEN 4.5mm
PASO
SAN
FRANCISCO N. Anto: 0.5mm
N. Vall: 2,1mm
LEFT ENTRANCE
RIGHT EXIT
• JET STREAM (ISOTACHS)
• UPPER DIVERGENCE
• ADV. CYCLONIC VORTICITY
• GEOP. DROPS OF 80MGP/DAY
X
JET MAX
ISENTROPIC ASCENT
ISENTROPIC DESCENT
L
PRESSURE
WIND
ISENTROPIC ASCENT (POSITIVE P ADVECTION)
ISENTROPIC DESCENT (NEGATIVE P ADVECTION)
ISENTROPIC ANALYSIS.
(1) 500HPA WIND >50 KT (2) WEAKENING OF DIURNAL
CYCLE AT CALAMA
ANTOFAGASTA (COAST) CALAMA ( FOOTHILLS)
SE W SE W W W
DU
ST
ST
OR
M
DU
ST
ST
OR
M
COAST
ANDES
MOUNTAINS
• POTENTIAL
TEMPERATURE [K]
• SATURATION ( RH)
[%]
• WIND [kt]
• TOPOGRAPHY
CROSS SECTION IN ANTOFAGASTA
ANDES
MOUNTAINS
COST
• WIND (kt)
• CONV.
• SATURATION ( HR)
• ( % )
• POTENTIAL
TEMPERATURE ( K)
• TOPOGRAPY
CROSS SECTION IN ATACAMA REGION
SCFA
SCAT
SCCF
PASO SAN
FRANCISCO.
SCFA SCCF
SCAT PASO SAN
FRANCISCO
• Based on the application of the tools learned in the Sudamerican Desk:
• GFS model variables were sufficient to detect and forecast the event.
• Contribute to the creation of an early warning system (ONEMI*).
*ONEMI: National emergency office.
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