The open V is the published preferred mode of operation in the AIP -
"Preferential runway system
Arrivals
1) Runway 12 is the preferred runway assigned for
landing aircraft, provided the tailwind component
does not exceed 10 kt when runway is dry or 5 kt
when runway is wet.
2) During the following hours (local time) Runway
30 is the preferred runway assigned for landing,
using the RNAV (GNSS) approach:
Between 23:00 – 01:00 (summer and winter) &
05:30 – 07:00 (winter season) or 05:00-07:00
(summer season).
Seasons are according to IATA definitions.
Departures
Runway 26 is the preferred runway assigned to departing
aircraft, provided the tailwind component does not exceed 5
KT."

Source : http://en.caa.gov.il/index.php?optio...d=2222&Itemid=