Red River Valley Climate The Last Five Years and Into The Future - - PowerPoint PPT Presentation

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Red River Valley Climate The Last Five Years and Into The Future - - PowerPoint PPT Presentation

Red River Valley Climate The Last Five Years and Into The Future David L. Andra, Jr. Meteorologist in Charge NWS Weather Forecast Office Norman, Oklahoma Overview Role of the National Weather Service 2015-2019 Regional Climate


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Red River Valley Climate

The Last Five Years and Into The Future

David L. Andra, Jr. Meteorologist in Charge NWS Weather Forecast Office Norman, Oklahoma

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Overview

  • Role of the National Weather Service
  • 2015-2019 Regional Climate
  • Outlook into 2020

RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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NWS Mission

Provide climate, water, weather forecasts and warnings to protect life and property and enhance the economy

Photo: AP

RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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Weather-Ready Nation

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Weather-Ready ady Nation

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

NWS Weather Forecasting

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Weather-Ready ady Nation

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

NWS River Forecasting

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

2015

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

2016

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

2017

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

2018

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

Summer 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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ONI (ºC): Evolution since 1950

The most recent ONI value (May – July 2019) is +0.5ºC. Source: NOAA’s CPC

El Niño La Niña

Neutral

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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To summarize…

  • Weak El Nino conditions have transitioned to ENSO neutral.
  • Neutral conditions through the upcoming winter.
  • After a very wet beginning to water year 2019, most of the area turned dry

early in the summer, with drought conditions west of I-35.

  • Seasonal temperature outlooks show preference for warm fall, winter, and

spring.

  • Precipitation outlooks are mostly “equal chances”

which means precipitation could just as likely be below, near normal, or above normal into spring 2020.

RRVA 9th Annual Regional Water Resource Conference - August 22, 2019

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Thanks! -- Questions?

David L. Andra, Jr. Meteorologist in Charge NWS Weather Forecast Office Norman, Oklahoma David.Andra@noaa.gov