MESONET TICKER ... MESONET TICKER ... MESONET TICKER ... MESONET TICKER ... September 14, 2017 September 14, 2017 September 14, 2017 September 14, 2017
Drought on the move!
Pretty simple Tick today (no Rocky Mountain spotted fever, thank goodness). Dry conditions are on the rise across parts of the state, especially that northern tier of counties along the KS border. The newest Drought Monitor says it all.
http://ticker.mesonet.org/archive/20170914/20170912_OK_trd.png
No, it's not much. Only 2% of the state in actual drought (moderate-D1), but we now have an additional 18% in abnormally dry (D0) conditions. The abnormally dry designation can mean an area either entering or leaving drought. In this case, I'm afraid it's the former. And this is really based on the last 30 days or so. The Mesonet rainfall maps tell the other part of the tale. Here's a core dump of rainfall maps for your viewing displeasure!
http://ticker.mesonet.org/archive/20170914/30day-totals.png http://ticker.mesonet.org/archive/20170914/30day-departure.png http://ticker.mesonet.org/archive/20170914/30day-pct-normal.png
http://ticker.mesonet.org/archive/20170914/mesonet.rainfall.tenthinch.png http://ticker.mesonet.org/archive/20170914/mesonet.rainfall.quarterinch.png When we get dry like this, things start to suffer, like soil moisture. And this is a vital time for planting wheat. Some farmers will be "dusting in" that seed (i.e., planting in dry soil and waiting for a good rain to soak in).
http://ticker.mesonet.org/archive/20170914/4in-pct-soilmoisture.png http://ticker.mesonet.org/archive/20170914/16in-pct-soilmoisture.png http://ticker.mesonet.org/archive/20170914/32in-pct-soilmoisture.png
Speaking of a good rain...not much chance in the next week.
http://ticker.mesonet.org/archive/20170914/7day-rain-forecast.gif
Farther out, we'll have to hope for a more favorable pattern - a dip in the jet stream to bring some slower moving storm systems our way and allow for some return of that Gulf moisture.
Gary McManus State Climatologist Oklahoma Mesonet Oklahoma Climatological Survey (405) 325-2253 gmcmanus@mesonet.org
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