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Big Blow 09/03/2017

Posted by zoidion in Climate, Event, forecast, Long Emergency, Photography.
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Twin Cities ephemera: That was quite a storm we had, followed by a dramatic drop in temperature. Here in the metro: thunder and lightning and a bit of rain around sundown, mid-thirties temperatures and a dusting of snow in the morning. But here near the center of the continent, that’s not particularly unusual.

What was unusual was tornadoes, two of them, nearly two weeks earlier than ever before in recorded history in these parts.

That counts as an incident of global weirding.

The two days of high winds and now deepening chill have convinced the perennials to keep at least their shoulders below ground level: I can stand up from my desk and see outside to where small leaves of Culver’s root (Veronicastrum virginicum) remain visible, even on the west side of the house, exposed to the colder winds.

I’ve never seen the like before — not before the Ides of March.

That was quite a storm that blasted most of the center of the continent, from Hudson Bay to the Gulf of Mexico. In terms of effects upon human activity, the worst of it apparently fell on the beleaguered region of Detroit, where many thousands of residents and businesses remain without electric power. There, a bright sun shone as ferocious winds toppled thousands of trees onto homes, commercial buildings, power lines and cars.

According to the Weather Underground web site, about one million customers — and thus well over one million affected people — lost power in Michigan alone on the eighth of March, with more than eight hundred thousand of those remaining without electricity the next morning. In all likelihood, weeks will pass before power can be restored to all most.

And there’s the often-crippling monetary cost for tree removal and repairs: Just have a look at the photo showing the huge pine tree that came to precarious rest on the house in the neighboring yard. And multiply that image by thousands.

The setup for the disaster was the record warm weather in February, and soil saturated by recent rains.

Alas, the prior astro-meteorological indications for severe weather are fairly clear.

The starting point, as usual, is the season chart, calculated for the Capricorn solar ingress (winter solstice). Add to that the calculation for the lunation — in this case, the first-quarter Moon — on 5 March.

CP-ing2016_1Q-March2017

Notice particularly, in the inner ring (the ingress chart), the circle with vertical line near the top: That’s the upper meridian: one end of an axis of special potency in weather forecasting. The lower meridian is of more interest here: eighteen degrees (rounded off) of Pisces. That shows a longitude where unusual weather events are apt to occur — when triggered by ongoing movements of Sol, Luna and planets.

Now take note of several bits of the outer ring (the lunation chart). Especially, note Sol and Mercury very nearly opposite the upper meridian point. That was a clear indication of a likely incident involving warmer weather (Sol) and wind (Mercury). George J. McCormack summarized the Sol-Mercury conjunction: “High wind velocity.”

(One of the most deadly Minnesota storms—involving a sudden and severe temperature drop, high winds and heavy snow — was the Armistice Day storm of 1940, when Sol and Mercury were conjunct. The astronomical occasion was a rare one: Mercury, in apparent retrograde motion, transited across the solar disc.)

The actual superior conjunction of Sol and Mercury occurred in the evening of 6 March at seventeen degrees Pisces, when storm planet Saturn was crossing the lower meridian at Detroit. The windstorm did its worst as Sol was crossing the lower meridian of the season chart, with Mercury now almost two degrees ahead.

Further indication of windy weather during the week: Luna in Gemini (where Mercury is lord) at the lower meridian of the lunation chart. (See Luna opposite the circle-with-vertical-line in the outer ring, and opposite Saturn in the season chart as well.) Plus: Sol, Mercury and Neptune appear near the horizon — the circle with horizontal line — of the lunation chart, and near the lower meridian of the season chart.

That is a classic case of astro-meteorology in action.

Alas for Michigan and Detroit. If it’s not one thing, it’s another.

-<zoidion>-

References
George J. McCormack, A Text-Book of Long-Range Weather Forecasting, 1947
“Hellacious Great Lakes Windstorm Fells Trees, Knocks Out Power to More than 1 Million,” Weather Underground, March 9, 2017

(Hat tip to TF.)

The Last Time 17/02/2017

Posted by zoidion in History, Photography, Weather.
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img_7487

Twin Cities ephemera: Only in the shady places do any remnants of December’s snows persist, as the air temperature reached sixty degrees.

As I walked about my errand-route, wearing a cap for shade rather than a hat for warmth, I found myself breaking into a sweat: I was wearing one too many layers under my light jacket. 

The physical sensation is accompanied by a peculiar mental one, since the solar arc remains rather low, and daylight is still fairly short. Hard to believe is that this day is only two months since the winter solstice.

In the back yard, several whorls of mullein look as if they are about to don their furry green coats and begin photosynthesis for their second (seed-producing) season. Birds are more active and noisy, chattering and fussing as they perch, hidden, within cedar hedges.

New high-temperature records for the date have been set across southern Minnesota, and the techno-weather forecasters say that more will follow over the next several days.

How rare is this? Well, this is only the fifth time that temperatures have reached sixty degrees here in February, going back to 1873.

The last time there was an extended warm spell here in February, the year was 1981, when six consecutive days registered temperatures of fifty or higher. That period began in the week that included the Full Moon, and as Sol crossed the horizon of the season chart: the axis that relates to latitude.

caping1980_1qfeb1981

Notice that in the outer ring (the first quarter Moon chart) Sol is with the upper meridian symbol (the circle with vertical line). That is a signal for a significant shift in temperature, especially as Luna approached opposition: Indeed, the first record-setting day that year was 16 February, as Luna moved into warm/dry Leo, the zoidion opposite Sol in Aquarius.

Also, Mars — a reliable indicator of warmer and drier conditions — had also recently crossed the horizon.

Not only was the upper meridian for the lunation in the place of the ascendant (shown as the circle with horizontal line) in the season chart, but there was another reversal: the horizon for the lunation opposite the upper meridian for the season. Hence a reversal of seasonal expectations.

And now? The Full Moon chart (the outer ring below) has a similar reversal in relation to the season chart: its upper meridian opposite the season’s ascendant, and the ascendant conjunct the season’s upper meridian.

caping2016_fmfeb2017

This time the warmth has arrived as Luna arrives at the ascendant of the season chart, and as Mars crosses the midpoint between lower meridian and horizon.

Watch for even greater temperature anomalies as Mars closes the distance from Uranus, and opposes Jupiter, in the days around the solar eclipse on 26 February. And watch for greater outbursts in the heating-up political realm as well. (Brazil is a particular hotspot in this period.)

-<zoidion>-

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