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. . . Ticker for May 16, 2023 . . .
        
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Surely it will rain this time!


https://ticker.mesonet.org/archive/20230516/3day-rain-forecast.png

Yes, we think it really will rain in NW OK this time, and don't call me Shirley. I
mean, it's the perfect meteorological setup with a cold front approaching and
upslope flow in a moisture-rich environment. Shirley it will HAVE to rain this
time, right? We could have added to the hopeful environment by going out to 5
days, but we stuck with the 3-day period for hopefully (I keep using that word,
I don't think I know what it means) a forecast with a bit more accuracy, if not
precision.

https://ticker.mesonet.org/archive/20230516/5day-rain-forecast.gif

But know this...the Weather Prediction Center is merely forecasting these amounts
based on what the computer forecast models are predicting. Here is an overview of
the 3-day rainfall forecast from some of the world's best forecast models.

https://ticker.mesonet.org/archive/20230516/3day-GFS-forecast.png

https://ticker.mesonet.org/archive/20230516/3day-GDPS-forecast.png

https://ticker.mesonet.org/archive/20230516/3day-ECMWF-forecast.png

https://ticker.mesonet.org/archive/20230516/3day-NAM-forecast.png

https://ticker.mesonet.org/archive/20230516/3day-RDPS-forecast.png

WPC is seeing it, not only from their 3- and 5-day forecasts above, but in their
hazards outlooks.

https://ticker.mesonet.org/archive/20230516/day3-7-hazards.png

The NWS is seeing it, showing flooding potential for heavy rains Thursday.

https://ticker.mesonet.org/archive/20230516/nws-norman-thursday-flood.png

So this one HAS to hit, and not only for NW OK but the Panhandle and also other
scattered areas of the state that missed out through one of the rainiest 7-day
periods in recent memory.

https://ticker.mesonet.org/archive/20230516/7day-rainfall.png

Woodward, Woods, Dewey, Marshall, Johnston, and Pontotoc counties were all
mysteriously missed, for reasons unknown.

Why do those NW counties need rain? Their wheat crop is gone, already devastated
by drought. Oklahoma's projected winter wheat yield is already down 17.9% from
a year ago from a harvest that was also heavily damaged by drought. Almost the
entirety of Oklahoma's Wheat Belt was ensconced in drought through its entire
life cycle from last fall through present.

https://ticker.mesonet.org/archive/20230516/winter-wheat-drought.png

https://ticker.mesonet.org/archive/20230516/may2023-winter.wheat.jpg

But there are also farm ponds that need filled to water cattle, and prairie and
range grass that needs improvement, not only to feed livestock but to hold
that soil in place. And there's the psychological aspect, just the oppressive
beatdown of a person's psyche that can pound on you day-by-day without rainfall,
let alone the cost to someone's ag operations. So this is our best chance in
awhile for significant rain in some of those areas. Hopefully it will extend into
next week.

https://ticker.mesonet.org/archive/20230516/next-week.png

But this is the nature of Oklahoma rainfall in a nutshell. No, literally! Some
get way too much, while others get about a nutshell full. We just need to turn
hope into reality.

Gary McManus
State Climatologist
Oklahoma Mesonet
Oklahoma Climatological Survey
gmcmanus@mesonet.org
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