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THE WEATHER AND CIRCULATION OF JUNE 1964

Reversal of a Long-standing Trend Over the Pacific

ROBERT R. DICKSON

Abstract

No Abstract Available

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ROBERT R. DICKSON

Abstract

The tornadoes of January 21, 1959, in Tennessee and neighboring States are considered in relation to the New England January thaw singularity described by Wahl [1]. This singularity, in the form of a warm spell, is shown to occur on the average on January 20–22 at Nashville. It is shown that at the time of the singularity there coexist on the average in the Tennessee area certain conditions favorable for the formation of severe storms. These include a tongue of warm, moist air at the surface, a wind shift from southerlies during the warm period to cool northwesterlies immediately afterward, a 500-mb. trough to the west with southwesterly winds and contour inflection point over the Tennessee area, and the presence of a jet stream aloft. Review of past records reveals that tornadoes in the Arkansas, Alabama, Mississippi, Tennessee, and Kentucky area have occurred more often during the time of the singularity, January 20–22, than at any other time of the month.

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THE WEATHER AND CIRCULATION OF AUGUST 1969

A Month With Record Warmth in the West

ROBERT R. DICKSON

Abstract

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THE WEATHER AND CIRCULATION OF JULY 1967

Unusually Cool East of the Divide

ROBERT R. DICKSON

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No Abstract Available.

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THE WEATHER AND CIRCULATION OF DECEMBER 1966

Blocking Over North America

ROBERT R. DICKSON

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No Abstract Available.

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THE WEATHER AND CIRCULATION OF MAY 1965

Severe Storms in Mid-Nation and Continued Drought in the Northeast

ROBERT R. DICKSON

Abstract

No Abstract Available.

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THE WEATHER AND CIRCULATION OF OCTOBER 1965

Long-Wave Progression and Temperature Reversal

ROBERT R. DICKSON

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THE WEATHER AND CIRCULATION OF DECEMBER 1965

Including a Discussion of the Record Dry Year in the Northeast

ROBERT R. DICKSON

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THE WEATHER AND CIRCULATION OF JUNE 1963

Interplay Between Blocking and Drought in the United States

ROBERT R. DICKSON

Abstract

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THE WEATHER AND CIRCULATION OF NOVEMBER 1964

Contrasting Weather Regimes Related To Long-Wave Progression

ROBERT R. DICKSON

Abstract

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