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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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Aug 16

SEPTEMBER 2026 WEATHER FORECASTS, Sunday, August 16, 2026

ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CFS Temperature

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SEPTEMBER 2026 WEATHER FORECASTS, Sunday, August 16, 2026

ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CFS Temperature

Aug 16

Aug 16

RONI (Relative Oceanic Nino Index) And Possible Surface Temperature Outcomes In North America For SON 2026; Sunday, August 16, 2026

To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools

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RONI (Relative Oceanic Nino Index) And Possible Surface Temperature Outcomes In North America For SON 2026; Sunday, August 16, 2026

To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools

Aug 16

Aug 15

WEATHERAmerica Monthly Analog-Derived And Numerical Model Temperature Anomaly Forecasts, September 2026 Through February 2027

SEPTEMBER 2026 ECMWF CanSIPS ANALOG OCTOBER 2026 ECMWF CFS ANALOG NOVEMBER 2026 ECMWF CFS ANALOG

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WEATHERAmerica Monthly Analog-Derived And Numerical Model Temperature Anomaly Forecasts, September 2026 Through February 2027

SEPTEMBER 2026 ECMWF CanSIPS ANALOG OCTOBER 2026 ECMWF CFS ANALOG NOVEMBER 2026 ECMWF CFS ANALOG

Aug 15

Aug 9

WEATHERAmerica Newsletter, Sunday, August 9, 2026; TODAY's FUN LINKS And CURRENT WEATHER HAZARDS

TODAY'S FUN LINKS: What Drives Derechos? The First Derecho Archive Could Help Meteorologists

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WEATHERAmerica Newsletter, Sunday, August 9, 2026; TODAY's FUN LINKS And CURRENT WEATHER HAZARDS

TODAY'S FUN LINKS: What Drives Derechos? The First Derecho Archive Could Help Meteorologists

Aug 9

Aug 9

WEATHERAmerica Newsletter, Sunday, August 9, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Cool Canada Vs. Warm/Hot USA Alignment; Active

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WEATHERAmerica Newsletter, Sunday, August 9, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Cool Canada Vs. Warm/Hot USA Alignment; Active

Aug 9

Aug 9

WEATHERAmerica Newsletter; Saturday, August 8, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Four Somewhat Vague El Nino Year Matches, With A

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WEATHERAmerica Newsletter; Saturday, August 8, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Four Somewhat Vague El Nino Year Matches, With A

Aug 9

Aug 2

WEATHERAmerica Newsletter, Sunday, August 2, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Demon Heat Ridge In The Heartland (And How Long

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WEATHERAmerica Newsletter, Sunday, August 2, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Demon Heat Ridge In The Heartland (And How Long

Aug 2

Jul 26

WEATHERAmerica Newsletter, Sunday, July 26, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) The Same Ol', Same Ol' (Searing Heat West,

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WEATHERAmerica Newsletter, Sunday, July 26, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) The Same Ol', Same Ol' (Searing Heat West,

Jul 26

Jul 26

WEATHERAmerica Newsletter, Saturday, July 25, 2026; EXTENDED OUTLOOK

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) More Heat From The West Coast To The Mississippi

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WEATHERAmerica Newsletter, Saturday, July 25, 2026; EXTENDED OUTLOOK

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) More Heat From The West Coast To The Mississippi

Jul 26

Jul 25

WEATHERAmerica Newsletter, Saturday, July 25, 2026; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY

TODAY'S FUN LINKS: Proposed Federal Grant Changes Are Alarming, Illegal, and "Bad for Boston

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WEATHERAmerica Newsletter, Saturday, July 25, 2026; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY

TODAY'S FUN LINKS: Proposed Federal Grant Changes Are Alarming, Illegal, and "Bad for Boston

Jul 25

Jul 19

WEATHERAmerica Monthly (AUGUST 2026 - JANUARY 2027) Analog-Derived And Numerical Model Temperature Anomaly Forecasts; Sunday, July 19, 2026

AUGUST 2026 ECMWF CFS ANALOG SEPTEMBER 2026 ECMWF CFS ANALOG OCTOBER 2026 ECMWF CFS ANALOG NOVEMBER

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WEATHERAmerica Monthly (AUGUST 2026 - JANUARY 2027) Analog-Derived And Numerical Model Temperature Anomaly Forecasts; Sunday, July 19, 2026

AUGUST 2026 ECMWF CFS ANALOG SEPTEMBER 2026 ECMWF CFS ANALOG OCTOBER 2026 ECMWF CFS ANALOG NOVEMBER

Jul 19

Jul 19

RONI (Relative Oceanic Nino Index) And Possible Surface Temperature Outcomes In North America For ASO 2026; Sunday, July 19, 2026

To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools

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RONI (Relative Oceanic Nino Index) And Possible Surface Temperature Outcomes In North America For ASO 2026; Sunday, July 19, 2026

To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools

Jul 19

Jul 19

AUGUST 2026 WEATHER FORECASTS, Sunday, July 19, 2026

ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CFS Temperature

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AUGUST 2026 WEATHER FORECASTS, Sunday, July 19, 2026

ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CFS Temperature

Jul 19

Jul 19

WEATHERAmerica Newsletter, Sunday, July 19, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) A Persistent Pattern Dominated By A Huge Sonoran

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WEATHERAmerica Newsletter, Sunday, July 19, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) A Persistent Pattern Dominated By A Huge Sonoran

Jul 19

Jul 19

WEATHERAmerica Newsletter; Saturday, July 18, 2026; WEATHER EXTREMES And GLOBAL SATELLITE DISCUSSION

WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging

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WEATHERAmerica Newsletter; Saturday, July 18, 2026; WEATHER EXTREMES And GLOBAL SATELLITE DISCUSSION

WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging

Jul 19

Jul 12

WEATHERAmerica Newsletter, Sunday, July 12, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Lateral Heat Ridge Extends (Briefly) Into Ohio Valley

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WEATHERAmerica Newsletter, Sunday, July 12, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Lateral Heat Ridge Extends (Briefly) Into Ohio Valley

Jul 12

Jul 12

WEATHERAmerica Newsletter, Saturday, July 11, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Will The Hot West/Central Vs. Cool East

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WEATHERAmerica Newsletter, Saturday, July 11, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Will The Hot West/Central Vs. Cool East

Jul 12

Jul 11

WEATHERAmerica Newsletter, Saturday, July 11, 2026

TODAY'S FUN LINKS: Ex-NOAA Employees Recreate a Valuable Climate Data Site Shut Down by Trump NPR

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WEATHERAmerica Newsletter, Saturday, July 11, 2026

TODAY'S FUN LINKS: Ex-NOAA Employees Recreate a Valuable Climate Data Site Shut Down by Trump NPR

Jul 11

Jul 5

WEATHERAmerica Newsletter; Sunday, July 6, 2026; SUMMARY

June Wrap-Up Mostly a warmer-than-normal June, with a cold pocket in Montana, Idaho, and Wyoming due

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WEATHERAmerica Newsletter; Sunday, July 6, 2026; SUMMARY

June Wrap-Up Mostly a warmer-than-normal June, with a cold pocket in Montana, Idaho, and Wyoming due

Jul 5

Jul 5

WEATHERAmerica Newsletter; Saturday, July 4, 2026; WEATHER EXTREMES 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, July 4, 2026; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY

WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging

Jul 5

Jun 28

WEATHERAmerica Newsletter; Saturday, June 27, 2026; SHORT And MEDIUM RANGE OUTLOOK

SHORT RANGE OUTLOOK (Through The Next 72 Hours) The Pattern Starts To Dry Up, And Heat Up...East Of

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WEATHERAmerica Newsletter; Saturday, June 27, 2026; SHORT And MEDIUM RANGE OUTLOOK

SHORT RANGE OUTLOOK (Through The Next 72 Hours) The Pattern Starts To Dry Up, And Heat Up...East Of

Jun 28

Jun 28

WEATHERAmerica Newsletter; Saturday, June 27, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Gradual Flip To A Hot West, Central Vs. Mild/

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WEATHERAmerica Newsletter; Saturday, June 27, 2026; EXTENDED PERIOD FORECAST

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Gradual Flip To A Hot West, Central Vs. Mild/

Jun 28

Jun 28

WEATHERAmerica Newsletter, Saturday, June 27, 2026; WEATHER HAZARDS And GLOBAL SATELLITE IMAGERY

TODAY'S FUN LINKS: Trump Administration Ditches Plan to Close a Critical Ocean Monitoring System

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WEATHERAmerica Newsletter, Saturday, June 27, 2026; WEATHER HAZARDS And GLOBAL SATELLITE IMAGERY

TODAY'S FUN LINKS: Trump Administration Ditches Plan to Close a Critical Ocean Monitoring System

Jun 28

Jun 21

WEATHERAmerica Newsletter, Saturday, June 20, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Either Strong Thunderstorms Or Extreme Heat, Take

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WEATHERAmerica Newsletter, Saturday, June 20, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Either Strong Thunderstorms Or Extreme Heat, Take

Jun 21

Jun 21

WEATHERAmerica Newsletter, Saturday, June 20, 2026; WEATHER HAZARDS And GLOBAL WEATHER SUMMARY

WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging

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WEATHERAmerica Newsletter, Saturday, June 20, 2026; WEATHER HAZARDS And GLOBAL WEATHER SUMMARY

WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging

Jun 21

Jun 20

WEATHERAmerica Monthly Analog-Derived And Numerical Model Temperature Anomaly Forecasts; Friday, June 19, 2026

JULY 2026 ECMWF CanSIPS ANALOG AUGUST 2026 ECMWF CanSIPS ANALOG SEPTEMBER 2026 ECMWF CanSIPS ANALOG

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WEATHERAmerica Monthly Analog-Derived And Numerical Model Temperature Anomaly Forecasts; Friday, June 19, 2026

JULY 2026 ECMWF CanSIPS ANALOG AUGUST 2026 ECMWF CanSIPS ANALOG SEPTEMBER 2026 ECMWF CanSIPS ANALOG

Jun 20

Jun 19

JULY 2026 WEATHER FORECASTS; Friday, June 19, 2026

ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CFS Temperature

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JULY 2026 WEATHER FORECASTS; Friday, June 19, 2026

ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CFS Temperature

Jun 19

Jun 19

RONI (Relative Oceanic Nino Index) And Possible Surface Temperature Outcomes In North America For JAS 2026; Friday, June 19, 2026

To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools

unread,

RONI (Relative Oceanic Nino Index) And Possible Surface Temperature Outcomes In North America For JAS 2026; Friday, June 19, 2026

To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools

Jun 19

Jun 14

WEATHERAmerica Newsletter, Sunday, June 14, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Thunderstorms And Heavy Rainfall Continue To Dominate

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WEATHERAmerica Newsletter, Sunday, June 14, 2026; SHORT And MEDIUM RANGE OUTLOOKS

SHORT RANGE OUTLOOK (Through The Next 72 Hours) Thunderstorms And Heavy Rainfall Continue To Dominate

Jun 14

Jun 14

WEATHERAmerica Newslletter, Saturday, June 13, 2026

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) The Heat Ridge Holds Over Southern And Eastern

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WEATHERAmerica Newslletter, Saturday, June 13, 2026

EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) The Heat Ridge Holds Over Southern And Eastern

Jun 14

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