Good Afternoon:
As you can see in the article below, the Israel Meteorological Service (IMS) is predicting the hottest temperatures on Yom Kippur in a decade. Our own forecast also predicts an uncomfortable build up of heat from this afternoon through Yom Kippur/Shabbat. However, our maximum high temperatures on Yom Kippur (as the heat wave eases) are a few degrees cooler than those of the IMS (although I just heard that the IMS might have backed down a bit).
The coolest locations will be along the coast where NW winds will bring in some moisture (and humidity), and in the highest areas around Jerusalem (like Gush Etzion) where temperatures will be two to three degrees cooler than Jerusalem and the Beit Shemesh Valley. Of course, Yom Kippur on the Hermon would be even better, but not in Katzrin where temperatures will approach the upper 30s.
This is a time of transition, and our relatively cool (summer) NW winds are being replaced by North Easterly winds rotating around low pressure to our east. Fortunately, these winds should shift back to the North by Northwest, just in time for Yom Kippur, but it will still be quite hot, nevertheless.
Yet, we're even seeing a large warm in time for Sukkot, to possibly be followed by some Succa showers as we transition back to cooler weather later in the holiday.
Lastly, there is only a danger of forest fires if someone lights one -- so be careful with campfires and cigarettes.
An easy fast,
Barry Lynn
Unseasonable heat to afflict Israelis on Yom Kippur
09/10/2013 19:45
A man rests during a heat wave. Photo: REUTERS
Israelis will experience unseasonably hot and dry temperatures while fasting
this Yom Kippur, due to a high-altitude air ridge and an influx of northerly
winds.
The weather changes will burden the country with considerable rises in heat, with the interior portions of Israel receiving the most scorching temperatures and an increased risk of fires, the Israel Meteorological Service (IMS) announced on Tuesday.
During the heat wave, the hottest days will be Thursday, Friday and Saturday – with temperatures climbing the highest on Friday, the eve of Yom Kippur.
In meteorological terms, a ridge is an elongated region characterized by high atmospheric pressure, whereas a trough is such an area with low atmospheric pressure.
At the hottest point of the heat wave – on Friday – temperatures in the Shfela region could climb to 34-35 degrees Celsius, in the Jerusalem and Beersheba areas to 35-36 degrees Celsius and in the Galilee and southern Golan Heights to 39-41 degrees Celsius, IMS data predicted.
Such a hot-weather event is rare on Yom Kippur, in part because the holiday usually falls in October or late September, the IMS explained. During the past 50 years, only in 1988 and in 2002 did the country experience such levels of heat over the holiday.
For the years 1995 to 2009, the average daily maximum temperature in mid-September was 31 degrees Celsius for the Shfela region and 28 degrees Celsius for the Jerusalem region, according to IMS data. During those years in mid-October, averages were 29 degrees Celsius and 26-27 degrees Celsius for the respective regions.
While the weather forecasts do indicate unusually hot temperatures, the IMS stressed that these are daytime maximum figures.
Because the nights are getting longer during this time of year and nighttime temperatures drop considerably, it will be more difficult for severe conditions to accumulate during the day now in comparison to the height of summertime, the IMS said.
The Health Ministry warned people of all ages to take care to protect their health.
The elderly, patients with chronic diseases, pregnant women and babies especially, but also others, should avoid exposure to sun and heat, not perform any unnecessary physical activity and frequently drink water (not including those fasting on Yom Kippur, except on doctor’s orders) and stay in airconditioned places as much as possible.
There is also a danger of forest fires.
The weather changes will burden the country with considerable rises in heat, with the interior portions of Israel receiving the most scorching temperatures and an increased risk of fires, the Israel Meteorological Service (IMS) announced on Tuesday.
During the heat wave, the hottest days will be Thursday, Friday and Saturday – with temperatures climbing the highest on Friday, the eve of Yom Kippur.
In meteorological terms, a ridge is an elongated region characterized by high atmospheric pressure, whereas a trough is such an area with low atmospheric pressure.
At the hottest point of the heat wave – on Friday – temperatures in the Shfela region could climb to 34-35 degrees Celsius, in the Jerusalem and Beersheba areas to 35-36 degrees Celsius and in the Galilee and southern Golan Heights to 39-41 degrees Celsius, IMS data predicted.
Such a hot-weather event is rare on Yom Kippur, in part because the holiday usually falls in October or late September, the IMS explained. During the past 50 years, only in 1988 and in 2002 did the country experience such levels of heat over the holiday.
For the years 1995 to 2009, the average daily maximum temperature in mid-September was 31 degrees Celsius for the Shfela region and 28 degrees Celsius for the Jerusalem region, according to IMS data. During those years in mid-October, averages were 29 degrees Celsius and 26-27 degrees Celsius for the respective regions.
While the weather forecasts do indicate unusually hot temperatures, the IMS stressed that these are daytime maximum figures.
Because the nights are getting longer during this time of year and nighttime temperatures drop considerably, it will be more difficult for severe conditions to accumulate during the day now in comparison to the height of summertime, the IMS said.
The Health Ministry warned people of all ages to take care to protect their health.
The elderly, patients with chronic diseases, pregnant women and babies especially, but also others, should avoid exposure to sun and heat, not perform any unnecessary physical activity and frequently drink water (not including those fasting on Yom Kippur, except on doctor’s orders) and stay in airconditioned places as much as possible.
There is also a danger of forest fires.
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