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Welcome to the WEATHERAmerica Google Group, the home of the WEATHERAmerica Newsletter! Larry Cosgrove, manager of group.
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Larry Cosgrove
May 10
WEATHERAmerica Newsletter; Sunday, May 10, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) A Cool Canada Vs. Warm/Hot USA Solution? CIMSS (
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WEATHERAmerica Newsletter; Sunday, May 10, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) A Cool Canada Vs. Warm/Hot USA Solution? CIMSS (
May 10
Larry Cosgrove
May 9
WEATHERAmerica Newsletter; Saturday, May 9, 2026
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
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WEATHERAmerica Newsletter; Saturday, May 9, 2026
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
May 9
Larry Cosgrove
May 3
WEATHERAmerica Newsletter; Sunday, May 3, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Heat Ridges Are In Your Not-To-Distant Future
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WEATHERAmerica Newsletter; Sunday, May 3, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Heat Ridges Are In Your Not-To-Distant Future
May 3
Larry Cosgrove
May 2
WEATHERAmerica Newsletter, Saturday, May 2, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) Heat Builds Along The West Coast; The Midwest And
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WEATHERAmerica Newsletter, Saturday, May 2, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) Heat Builds Along The West Coast; The Midwest And
May 2
Larry Cosgrove
May 2
WEATHERAmerica Newsletter; Saturday, May 2, 2026; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Heat Takes A Back Seat To A Polar Air Mass METEOBLUE
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WEATHERAmerica Newsletter; Saturday, May 2, 2026; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Heat Takes A Back Seat To A Polar Air Mass METEOBLUE
May 2
Larry Cosgrove
May 2
WEATHERAmerica Newsletter, Saturday, May 2, 2026; LINKS And WEATHER EXTREMES
TODAY'S FUN LINKS: Caribbean Hurricanes Getting Substantially Stronger due to Warming Waters:
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WEATHERAmerica Newsletter, Saturday, May 2, 2026; LINKS And WEATHER EXTREMES
TODAY'S FUN LINKS: Caribbean Hurricanes Getting Substantially Stronger due to Warming Waters:
May 2
Larry Cosgrove
May 2
JJAS SUMMER WEATHER FORECAST; Saturday, May 2, 2026; MONTHLY WEATHER BREAKDOWN (1)
MONTHLY FORECASTS MAY I follow the ECMWF projection here. Note the ehat ridge over central and
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JJAS SUMMER WEATHER FORECAST; Saturday, May 2, 2026; MONTHLY WEATHER BREAKDOWN (1)
MONTHLY FORECASTS MAY I follow the ECMWF projection here. Note the ehat ridge over central and
May 2
Larry Cosgrove
May 2
JJAS SUMMER WEATHER FORECAST; Saturday, May 2, 2026; MONTHLY WEATHER BREAKDOWN (2)
AUGUST I am wary of the increased precipitation threat in Texas and the Gulf Coast, since the Sonoran
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JJAS SUMMER WEATHER FORECAST; Saturday, May 2, 2026; MONTHLY WEATHER BREAKDOWN (2)
AUGUST I am wary of the increased precipitation threat in Texas and the Gulf Coast, since the Sonoran
May 2
Larry Cosgrove
May 2
JJAS SUMMER WEATHER FORECAST; Saturday, May 2, 2026; Part 1
ABSTRACT Using a weighted selection of analog years bearing synoptic scale similarities to the period
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JJAS SUMMER WEATHER FORECAST; Saturday, May 2, 2026; Part 1
ABSTRACT Using a weighted selection of analog years bearing synoptic scale similarities to the period
May 2
Larry Cosgrove
May 2
JJAS SUMMER WEATHER FORECAST; Friday, April 24, 2026; Part 3
EUROPE Somewhat like last summer, but probably warmer across the northern third of the subcontinent.
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JJAS SUMMER WEATHER FORECAST; Friday, April 24, 2026; Part 3
EUROPE Somewhat like last summer, but probably warmer across the northern third of the subcontinent.
May 2
Larry Cosgrove
Apr 19
WEATHERAmerica Newsletter, Sunday, April 19, 2026; GENERAL WEATHER PATTERN DISCUSSION
GENERAL WEATHER PATTERN DISCUSSION METEOBLUE CIMSS WeatherBELL (5) College Of DuPage Weather
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WEATHERAmerica Newsletter, Sunday, April 19, 2026; GENERAL WEATHER PATTERN DISCUSSION
GENERAL WEATHER PATTERN DISCUSSION METEOBLUE CIMSS WeatherBELL (5) College Of DuPage Weather
Apr 19
Larry Cosgrove
Apr 19
WEATHERAmerica Newsletter, Saturday, April 21, 2026
TODAY'S FUN LINKS: Traveling Tropical Disturbance Increases Rainfall across the Hawaiian Islands
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WEATHERAmerica Newsletter, Saturday, April 21, 2026
TODAY'S FUN LINKS: Traveling Tropical Disturbance Increases Rainfall across the Hawaiian Islands
Apr 19
Larry Cosgrove
Apr 12
WEATHERAmerica Newsletter, Sunday, April 12, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) The "Number Two" Severe Weather Outbreak
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WEATHERAmerica Newsletter, Sunday, April 12, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) The "Number Two" Severe Weather Outbreak
Apr 12
Larry Cosgrove
Apr 12
WEATHERAmerica Newsletter; Sunday, April 12, 2026; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Tornado Alley Is An Appropriate Term. Along With A
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WEATHERAmerica Newsletter; Sunday, April 12, 2026; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Tornado Alley Is An Appropriate Term. Along With A
Apr 12
Larry Cosgrove
Apr 12
WEATHERAmerica Newsletter, Saturday, April 11, 2026; WEATHER HAZARDS And GLOBAL SATELLITE IMAGERY
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
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WEATHERAmerica Newsletter, Saturday, April 11, 2026; WEATHER HAZARDS And GLOBAL SATELLITE IMAGERY
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
Apr 12
Larry Cosgrove
Apr 4
WEATHERAmerica Newsletter; Saturday, April 4, 2026; Holiday Weather Outline
TODAY'S FUN LINKS: Winter Snow Is Disappearing across the Northern Hemisphere Earth.com - 6 March
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WEATHERAmerica Newsletter; Saturday, April 4, 2026; Holiday Weather Outline
TODAY'S FUN LINKS: Winter Snow Is Disappearing across the Northern Hemisphere Earth.com - 6 March
Apr 4
Larry Cosgrove
Apr 4
WEATHERAmerica Newsletter, Saturday, April 4, 2026; ACCOMPANYING GRAPHICS PAGE
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WEATHERAmerica Newsletter, Saturday, April 4, 2026; ACCOMPANYING GRAPHICS PAGE
Apr 4
Larry Cosgrove
Apr 4
WEATHERAmerica Newsletter, Saturday, April 4, 2026; ENSO And Global Sea Surface Temperatures
Notes: "Super El Nino" event appears unlikely; Weak register probable in June, Moderate
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WEATHERAmerica Newsletter, Saturday, April 4, 2026; ENSO And Global Sea Surface Temperatures
Notes: "Super El Nino" event appears unlikely; Weak register probable in June, Moderate
Apr 4
Larry Cosgrove
Mar 29
WEATHERAmerica Newsletter, Saturday; March 28, 2026
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Ever Heard The Term "NothingBurger"?
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WEATHERAmerica Newsletter, Saturday; March 28, 2026
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Ever Heard The Term "NothingBurger"?
Mar 29
Larry Cosgrove
Mar 29
WEATHERAmerica Newsletter, Saturday, March 28, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) A Rude Awakening To Severe Weather Season METEOBLUE
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WEATHERAmerica Newsletter, Saturday, March 28, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) A Rude Awakening To Severe Weather Season METEOBLUE
Mar 29
Larry Cosgrove
Mar 29
WEATHERAmerica Newsletter, Saturday, March 28, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) A Stormy, Mild Configuration That Could Lead
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WEATHERAmerica Newsletter, Saturday, March 28, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) A Stormy, Mild Configuration That Could Lead
Mar 29
Larry Cosgrove
Mar 22
WEATHERAmerica Newsletter, Saturday, March 21, 2026 WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
TODAY'S FUN LINKS: Men Represent 61% of Flood Deaths, Greek-Led Study Finds Greek City Times - 9
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WEATHERAmerica Newsletter, Saturday, March 21, 2026 WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
TODAY'S FUN LINKS: Men Represent 61% of Flood Deaths, Greek-Led Study Finds Greek City Times - 9
Mar 22
Larry Cosgrove
Mar 22
RELATIVE OCEANIC NINO INDEX (RONI) And ANALOG YEARS; Friday, March 20, 2026
To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools
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RELATIVE OCEANIC NINO INDEX (RONI) And ANALOG YEARS; Friday, March 20, 2026
To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools
Mar 22
Larry Cosgrove
Mar 22
APRIL 2026 WEATHER FORECASTS; Thursday, March 19, 2026
ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CanSIPS Temperature
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APRIL 2026 WEATHER FORECASTS; Thursday, March 19, 2026
ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CanSIPS Temperature
Mar 22
Larry Cosgrove
Mar 20
WEATHERAmerica Monthly Analog-Derived And Numerical Model Temperature Anomaly Forecasts; Thursday, March 19, 2026
APRIL 2026 ECMWF CanSIPS ANALOG MAY 2026 ECMWF CanSIPS ANALOG JUNE 2026 ECMWF CanSIPS ANALOG JULY
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WEATHERAmerica Monthly Analog-Derived And Numerical Model Temperature Anomaly Forecasts; Thursday, March 19, 2026
APRIL 2026 ECMWF CanSIPS ANALOG MAY 2026 ECMWF CanSIPS ANALOG JUNE 2026 ECMWF CanSIPS ANALOG JULY
Mar 20
Larry Cosgrove
Mar 15
WEATHERAmerica Newsletter, Sunday, March 15, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Cold Canada Vs. Warm USA Scenario Seems Most
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WEATHERAmerica Newsletter, Sunday, March 15, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Cold Canada Vs. Warm USA Scenario Seems Most
Mar 15
Larry Cosgrove
Mar 15
WEATHERAmerica Newsletter, Sunday, March 15, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) Early Season Sonoran Heat Ridge Favors Warm West/
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WEATHERAmerica Newsletter, Sunday, March 15, 2026; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) Early Season Sonoran Heat Ridge Favors Warm West/
Mar 15
Larry Cosgrove
Mar 15
WEATHERAmerica Newsletter; Saturday, March 14, 2026; WEATHER HAZARDS And SHORT RANGE OUTLOOK
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
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WEATHERAmerica Newsletter; Saturday, March 14, 2026; WEATHER HAZARDS And SHORT RANGE OUTLOOK
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
Mar 15
Larry Cosgrove
Mar 8
WEATHERAmerica Newsletter, Sunday, March 8, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Cold May Linger In Canada And North Central
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WEATHERAmerica Newsletter, Sunday, March 8, 2026; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Cold May Linger In Canada And North Central
Mar 8
Larry Cosgrove
Mar 8
WEATHERAmerica Newsletter, Saturday, March 7, 2026; SHORT And MEDIUM RANGE OUTLOOKS
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Cold Canada, Warm USA Scenario Has Inklings Of What
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WEATHERAmerica Newsletter, Saturday, March 7, 2026; SHORT And MEDIUM RANGE OUTLOOKS
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Cold Canada, Warm USA Scenario Has Inklings Of What
Mar 8