Category Archives: Weather

Global Warming Everywhere Except Here and Kazakhstan

2014-feb-weather-data

Here’s an interesting picture from NOAA of February’s temperature. It looks like the entire planet was warmer except for the mid-west and Kazakhstan. Looks like Europe is quite a bit warmer.

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Is It time to Plant? – Look at 2007 for the answer

“Unseasonably warm weather in March over the eastern half of the United States prompted early growth of many agricultural and horticultural crops, ranging from wheat in the Central Plains to fruit trees and pastures across the Southeast and parts of the Midwest. March monthly temperatures averaged between 2 and 6°F above normal in these areas, and this was the second warmest March on record for the entire U.S.”

Sounds like today doesn’t it. Actually, it was 2007. Read on to see what happened.

“Arctic cold followed in early April with over 1500 weather stations breaking or matching record low temperatures. The magnitude and duration of the cold temperatures was particularly noteworthy in a climatological sense. Low temperatures in the teens occurred throughout the eastern half of the country, and freezing temperatures lasted almost a week in some areas. ”

This information came from:
http://www.crh.noaa.gov/Image/lsx/recent_event/noaatech-report-200801.pdf

I normally wait and tell people to wait until May 1st as a “SAFE” day to plant in St. Louis, MO.

I think I’ll be taking my own advice this year.

 

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Local Hardiness Zones and Global Warming

One would think that with all the information you see on global warming that it would impact everyone’s local growing situation. In some cases it does and some it doesn’t. It depends on where you live and even in which county you live.

If you look at the data from the University of Missouri annual average temperature, (charts) it looks like we naturally have a wide change in average temperatures.

On the other hand if you look at the data from the Arbor Day Foundation, it shows that while many of the counties show increases in temperature, some do not. It almost looks like there are waves of heat across our country with cooler bands in-between.

What this means for you depends on where you live. Likely you may be able to grow some plants that never would have made it in the past.

New 2012 USDA Hardiness map

The USDA just came out with a new 2012 map which is somewhere in between the Arbor Day Map and the 1990 map.

The USDA says, “The new map is generally one 5-degree Fahrenheit half-zone warmer than the previous map throughout much of the United States. ”

The map is at this link: http://planthardiness.ars.usda.gov

and includes a zip code search function.

It’s interesting to note that if you live in the city of St. Louis, your zone is 6B, but if you live in the county it is 6A

You can download high-quality maps at this link.
http://planthardiness.ars.usda.gov/PHZMWeb/Downloads.aspx

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