AWIS Weather Update (3/6/18): Follow-Up
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Collapse ▲Dear all,
First things first: Thank you to Barclay for his great support. This morning, when I saw the changes in the weather predictions for the coming days, I was very happy that he could post the actual updates. I had a grower visit scheduled today and just came back to my office about an hour ago.
On my way back from the mountains, I talked this afternoon to a few agents in the state and in South Carolina to discuss the predicted weather changes. We agreed that leaving the row covers on until the cold period is over is essentially the best way to deal with it. However, if possible, a ‘back-up’ sprinkler system or a second set of row covers should be ready to use in case of unpredicted cold events. Using sprinkler alone is not advised, due to predicted wind speeds (see below).
Weather predictions for the next 5-7 days should always be considered (see hourly forecasts below). Min Temperatures will rise to upper 30s/lower 40s again by the end of the weekend and it could be safe to take row covers off by Sunday.
Weather Systems:
Essentially the winter storm heading towards the North East of the country will also affect our weather here in the Southeast. Cold air from the northern parts will be dragged into the South. The result are minimum temperatures in the high 20s, low 30s in the mornings. Fig 1 – 3 illustrate the weather development over the next few days.
Fig 1.: Weather systems on Wednesday (3/7/18) morning. Warmer air from the Caribbean will still find it’s way up the coast. Higher wind gusts can be expected in Maryland and parts of Virginia (see below) http://www.windy.com
Fig.2: Thursday morning (3/8/18), wind direction changed to NW. Cold air from inland will find it’s way to the South, while the warmer air from the Caribbean will be pushed East. http://www.windy.com
Fig.3: Those weather conditions will stay to wards the weekend. Friday morning (3/9/18), wind will blow from the West and bring more cold air to the Southeast. http://www.windy.com
Wind Speed and Directions:
Wednesday, (3/7/18), 6 a.m.: Winds from mostly NW in most parts of the Southeast, speeds between 7-10 mph in most regions. Maryland: Winds from N-NE, gusts up to 20mph.
Thursday, (3/8/18), 6 a.m.: Winds from mostly W-NW, between 5-8 mph in most parts of the Southeast.
Friday, (3/9/18), 6 a.m.: Winds from W, 7-10 mph in most parts of the Southeast.
Precipitation:
Precipitation is predicted to slow down and stop by early tomorrow morning.
Min Temperatures:
See Barclays post earlier today:
Please be aware that the actual temperatures at the plants can be quite a bit lower, since those forecasts consider ‘ground’ temperatures in 2 meters height. It is advisable to measure temperatures at your plants and under your row covers.
5-day Hourly Forecasts:
North Carolina:
Maryland:
Virginia:
South Carolina:
Georgia:
Thank you. As always, I hope that helps and we will keep you updated. If you have questions, contact your local extension service or write an email: mark.hoffmann@ncsu.edu
Mark