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May 2016 Obs


Isopycnic

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Only made it to 82 here...called for 87. Never did see full sun today -- was mostly to partly cloudy through a thick cirrus. Humidity has jumped as night approached... dewpoint is up to 72 now after being in the low 60's all day.

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Only made it to 82 here...called for 87. Never did see full sun today -- was mostly to partly cloudy through a thick cirrus. Humidity has jumped as night approached... dewpoint is up to 72 now after being in the low 60's all day.

Dew points are running higher than predicted. Currently 67, for the dew point, at RDU. This could affect how low we get tonight:

http://graphical.weather.gov/sectors/midatlantic.php?element=MaxT

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Only made it to 82 here...called for 87. Never did see full sun today -- was mostly to partly cloudy through a thick cirrus. Humidity has jumped as night approached... dewpoint is up to 72 now after being in the low 60's all day.

 

Same here 82 for the high, called for 88.

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0.00"

"Wet" period totals.....

Stations:

NC-DH-34

Durham 5.2 NW

Lat: 36.034668

Lon: -78.980595

* indicates Multi-Day Accumulation Report

Station NC-DH-34

Date Precip in.

04/27/2016 0.00

04/28/2016 0.15

04/29/2016 0.17

04/30/2016 0.00

05/01/2016 0.01

05/02/2016 0.10

05/03/2016 0.76

05/04/2016 0.69

05/05/2016 T

05/06/2016 0.96

05/07/2016 0.17

05/08/2016 T

05/09/2016 0.09

05/10/2016 T

05/11/2016 0.00

Totals : 3.10 in.

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The "quasi-stationary frontal zone over central NC" has drifted South of us this morning, evidenced by the low clouds and fog, wind shift to the NE, and rising pressure since 6:15AM. Will be interesting to see where the boundaries set up today to fuel any potential storms.

652 AM EDT THU MAY 12 2016THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA..DAY ONE...TODAY AND TONIGHT.SCATTERED THUNDERSTORMS...A FEW POSSIBLY WITH DAMAGING WIND GUSTSAND HAIL AROUND ONE INCH IN DIAMETER...ARE EXPECTED THIS AFTERNOON.
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Strong destabilization is

forecast around the southern and western sides of the retreating

stratus/front given dewpoints in the mid/upper 60s and ample low-

level moisture in general (925mb dewpoints > 15C). While NAM

forecast MLCAPE of 3000 J/KG, GFS and RAP values of 2000-2500 J/KG

are quite possible across the southern CWA. Like yesterday,

convergence near the front and differential heating appear to be the

most evident triggers for convection, with some weak perturbations

upstream over eastern TN possibly to have some influence later this

afternoon. Weak ridging aloft will keep deep layer shear weaker

than past days (only 20kt from 0-6km at KGSO this morning), though

the front and/or perturbations aloft may locally enhance the shear

to 25-30kt, supporting some loosely organized clusters of storms.

Locally heavy rainfall may also be more of an issue today within

these slower moving clusters.

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