Still a Possibility of Frost Sunday Morning (11:25 AM Sat. April 6, 2013)

— Written By

clayton Cathy on Sat April 6

Figure 1. Photo by Cathy Herring, Clayton Central Crops, 7:52 am, 4/6/13. Camarosa plants in our research plots this morning! Our plants are definitely on small size his season at Clayton but when I’ve been out and about this week, I did come across these 7-branch crown Camarosa plants on one farm in Greensboro on Thursday afternoon (Fig 2 & 3)

cam rudd set early oct

Fig. 2. Camarosa plugs set early Oct. in Greensboro, NC (4/4/13). Row covers were pulled back for this photo, and then re-applied for frost concerns last night, and maybe tomorrow morning (Sunday)?

photo-32 Fig. If it could ever warm up, its going to be quite a crop!!

Dear Growers, Agents and Others,

When I send out frost alerts, such as the ones issued last evening, my essential philosophy is better safe than sorry! The forecast products that I have relied upon all season, SkyBit and AWIS,  have served us very well so far, but both “apparently” missed the mark this morning. Even up in Chesepeake and VA Beach area where it seemed a dead certainty for frost this morning, it did not happen!

The question is whether Jack Frost may be getting ready to make an appearance tomorrow morning (Sunday)?

Grower reports from last night

VA Beach

Barclay,

Spending the night “frost protecting” but never turning on the water is a lot like “unrequited love.”

(End of Report)

Tom

Tom & Anne Baker and Amanda McCann
Brookdale Farm

Bunn, NC

Barclay — Thanks for the special report for Louisburg . No Frost — 36.2 Low at 3am then a slow rise . jv
John Vollmer
919-495-2392

john@vollmerfarm.com

http://www.vollmerfarm.com

Reply – thanks for the report John, and here is the AWIS hourly for your area tonight: Louisburg Sun morning DEW

Louisburg

Fig. 4. What is interesting is how AWIS indicated that there was a frost in this area this morning, but tomorrow they are not expecting a frost. I would simply say, play it safe! Be ready to “run” if you must tomorrow morning. Though this reports is indicating DEW, I would be on guard tomorrow morning for “ice crystals” forming if the minimum temperature drops into the range of 33-35 F (at weather shelter).

Here is the minimum temperature map for NC tomorrow morning:

Sunday min temp map

Fig. 5. This is our latest AWIS minimum temperature map for NC for tomorrow morning (Sunday, April 7). It is actually showing warmer temperatures than were in the forecast (for Sunday) on 4/5 (Fri), and the is certainly some welcome news today! “Additional weather details, including custom weather forecasts, are available from AWIS at www.awis.com.”

sun min nc

Fig. 6. Yesterday, the forecast for Sunday was colder! Notice the very wide area with light blue (38-40) that is now going to be 40-42 (Fig. 5). Nonetheless, dreams of a truly frost free night and morning better be put on hold — read the AWIS FROST/FREEZE for NC!!

Finally, here is the AWIS FROST/FREEZE for NC for tomorrow morning.

AWIS Weather Services, Inc.
North Carolina Frost/Freeze Forecast
Produced at  506 AM CDT on Sat Apr  6 2013

… Forecast for Tonight …

Northeast NC Coast
Currituck/Camden/Pasquotank/Tyrrell Counties
** PATCHY FROST COLDEST LOCATIONS **

Lowest Temperatures:      40 – 46
Elizabeth_City Min          42
Range Dewpoint Temps:     33 – 41
Range Wetbulb  Temps:     40 – 45
AVG Wind Direction/Speed:  SE  6     Long Periods of Calm
AVG Sky Condition:     Partly Cloudy

Extended Forecast: Range of Lowest Min Temperatures in the Above Zones
Min Temps Valid For Morning of Given Date (May NOT include ALL cold pockets)

04/08/13  04/09/13  04/10/13  04/11/13  04/12/13  04/13/13
——–  ——–  ——–  ——–  ——–  ——–
50 – 57   55 – 62   56 – 63   56 – 62   53 – 60   45 – 52
——–

East Central/SE NC Coast
Carteret/Pamlico Counties
** PATCHY FROST COLDEST LOCATIONS **

Lowest Temperatures:      40 – 44
Morehead_City Min           44
Range Dewpoint Temps:     36 – 40
Range Wetbulb  Temps:     40 – 45
AVG Wind Direction/Speed:   E  5     Long Periods of Calm
AVG Sky Condition:         Clear

Extended Forecast: Range of Lowest Min Temperatures in the Above Zones
Min Temps Valid For Morning of Given Date (May NOT include ALL cold pockets)

04/08/13  04/09/13  04/10/13  04/11/13  04/12/13  04/13/13
——–  ——–  ——–  ——–  ——–  ——–
50 – 52   56 – 58   57 – 60   59 – 62   58 – 59   47 – 50
——–

Southeast NC
NWS FORECAST ZONES 87-90,96-101
** PATCHY FROST COLDEST LOCATIONS **

Lowest Temperatures:      40 – 45
Elizabethtown Min           42
Range Dewpoint Temps:     29 – 43
Range Wetbulb  Temps:     40 – 47
AVG Wind Direction/Speed:  SE  6     Long Periods of Calm
AVG Sky Condition:         Clear

Extended Forecast: Range of Lowest Min Temperatures in the Above Zones
Min Temps Valid For Morning of Given Date (May NOT include ALL cold pockets)

04/08/13  04/09/13  04/10/13  04/11/13  04/12/13  04/13/13
——–  ——–  ——–  ——–  ——–  ——–
49 – 54   55 – 59   56 – 61   59 – 64   52 – 60   45 – 49
——–

North-Central NC
Franklin County Area
** SCATTERED FROST COLDEST PROTECTED LOCATIONS **

Lowest Temperatures:      37 – 44
Louisburg Min               37
Range Dewpoint Temps:     29 – 36
Range Wetbulb  Temps:     35 – 42
AVG Wind Direction/Speed:  SE  6     Periods of Calm
AVG Sky Condition:     Partly Cloudy

Extended Forecast: Range of Lowest Min Temperatures in the Above Zones
Min Temps Valid For Morning of Given Date (May NOT include ALL cold pockets)

04/08/13  04/09/13  04/10/13  04/11/13  04/12/13  04/13/13
——–  ——–  ——–  ——–  ——–  ——–
45 – 52   51 – 58   54 – 60   56 – 61   48 – 55   40 – 47
——–

North/Central NC
Alamance County Area
** PATCHY FROST COLDEST PROTECTED AREAS **

Lowest Temperatures:      40 – 44
Graham_AG Min               41
Range Dewpoint Temps:     29 – 36
Range Wetbulb  Temps:     38 – 42
AVG Wind Direction/Speed:  SE  7
AVG Sky Condition:     Partly Cloudy

Extended Forecast: Range of Lowest Min Temperatures in the Above Zones
Min Temps Valid For Morning of Given Date (May NOT include ALL cold pockets)

04/08/13  04/09/13  04/10/13  04/11/13  04/12/13  04/13/13
——–  ——–  ——–  ——–  ——–  ——–
47 – 52   52 – 58   55 – 61   55 – 62   49 – 54   42 – 47
——–

South/Central NC
Richmond County Area
** PATCHY FROST COLDEST PROTECTED AREAS **

Lowest Temperatures:      40 – 45
Ellerbe Min                 42
Range Dewpoint Temps:     29 – 42
Range Wetbulb  Temps:     40 – 46
AVG Wind Direction/Speed:  SE  7
AVG Sky Condition:     Partly Cloudy

Extended Forecast: Range of Lowest Min Temperatures in the Above Zones
Min Temps Valid For Morning of Given Date (May NOT include ALL cold pockets)

04/08/13  04/09/13  04/10/13  04/11/13  04/12/13  04/13/13
——–  ——–  ——–  ——–  ——–  ——–
49 – 52   51 – 57   57 – 59   58 – 62   47 – 57   43 – 47
——–

For more detailed information visit www.awis.com or call 888-798-9955.
Copyright 2013 AWIS Weather Services, Inc. All rights reserved.

“Additional weather details, including custom weather forecasts, are available from AWIS at www.awis.com.”

Please don’t shoot the messenger!

Barclay

Dr. E. Barclay Poling
Professor Emeritus/Extension Strawberry Specialist
Department of Horticultural Science
Campus Box 7609, 162A Kilgore Hall
NC State University
Raleigh, NC 27695-7609
919-418-9687 (Cell)
919-515-2505 (Fax)
barclay_poling@ncsu.edu
https://strawberries.ces.ncsu.edu

Written By

Photo of Barclay Poling, N.C. Cooperative ExtensionDr. Barclay PolingFormer Professor and Extension Specialist, Strawberries and Muscadines (919) 515-5373 (Office) barclay_poling@ncsu.eduHorticultural Science - NC State University
Posted on Apr 6, 2013
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