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WeatherMatrix
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Prohibited. Usage logged.
From: smwincva_wxman{at}webtv.net
Date: Mon Jul 15 2002 - 03:37:34 EDT
Winchester VA:
Early last week, the local forecasts called for rain Sat &/or Sun. That
threat was removed by Thursday.
At 6 Saturday am, a rain plume was evident in southern WV, near
Charleston, and a few showers northeast to near Elkins WV.
By the time i awoke (10am), the rain plume now reached to the WV/VA
border, about 20 miles to my southwest. Other showers had reached to
near Hagerstown MD.
I knew that rain in some form would reach the ground later in the day.
Sprinkles & a light rain started about 2pm. A steadier but light began
about 10m. By midnight, only .11" had fallen.
About 1am, the rain became generally moderate, and the daily rainfall
reached 1" about 5:30am Sunday. Additional moderate rain & heavier
showers continued until about 10am, & ending about noon.
The daily total was 2.07", the heaviest single day total 2.86" fell on
Aug 11 last year. That fell in a 3 day stretch of thuderstorms totaling
over 4".
Although we now run a surplus for the year (.76"), we have a rainfall
deficit of 6.32" running back from Sept last year.
And this from the NWS AFD Sunday evening:
>FINALLY A WORD OR TWO ABOUT TODAYS RAINFALL...THE WIDESPREAD ONE TO
TWO INCH RAINFALL WILL NOT END THE DROUGHT BUT IT CERTAINLY WAS HELPFUL.
THE MAIN PROBLEM BEING THAT THE UNDERGROUND AQUIFERS THAT STORE WATER
WILL TAKE MANY WEEKS TO BECOME RECHARGED. IF WE COULD STAY IN A PATTERN
WHERE WE COULD GET 4 TO 6 OF THESE TYPE OF RAINFALL EVENTS OVER THE
COURSE OF A MONTH THEN THAT WOULD PUT A SERIOUS DENT INTO THE DROUGHT.
---- It was only 69º here Sunday, an unofficial coldest high for the date. And it was the wettest July 14 on record.During the period of July 10-14, the high averaged 77.1, or a full 10º below normal!!
At the airports, only Dulles broke records, which go back to 1963. A new cold high for the date of 76, and the wettest 7-14, of 1.56". And a FTM states why radar totals may look low: >NOUS61 KLWX 141207 >FTMLWX >Scan Date: Jul 14 2002 12:07:08 >ATTN ALL USERS OF KLWX WSR-88D >DATA: NWS LWX HAS ADJUSTED THE Z-R >RELATIONSHIP T O ACCOUNT FOR WARM >RAIN PROCESSES. THIS WILL HELP TO >ACCOUNT FOR UNDERESTIMATION > OF PRECIPITATION. THE NEW Z-R >RELATIONSHIP IN USE IS 200R1.6 >.END/MANNING/WFO L >WX/141207Z
24 hour temps & am rain totals: http://wxmatrix-membersonly/group/VA_StormNet/message/13511
Missed Forecasts & AFD's http://wxmatrix-membersonly/group/VA_StormNet/message/13510
5pm Regional Obs http://wxmatrix-membersonly/group/VA_StormNet/message/13509
Snapshot 1: National Weather Service radar in Sterling VA showed widespread & significant rain totals over the region. Rain was still falling in the eastern portion of this screen, which was taken about noon Sunday. http://attach5.wxmatrix-membersonly/v1/4GQyPcW790I92AT6-dNAT-bFNq4UvDpXVziA0jm3sUydMKBvWJHGiL44dmbjtXFuz0gQpNiTzlW7ABwqMkFCiYcmNe9rV98-VbdImQ/snapshot.jpg
Snapshot 2: Widespread amounts over 1", some places picking up 2", and a few places recieving 3" of rain. This shot © Accuweather, and taken about noon Sunday. http://attach6.wxmatrix-membersonly/v1/4GQyPe5xIkU92AT6e8QagW3JlWJg52esXQdcfrYNJWmTwWQQXMsIJrOp_v1F9O-lTrUvnG4Asxvp9sPEtaz5bc-ERg36xnN2cMTYXQ/snapshot.jpg
>From THe Washington Post: http://www.washingtonpost.com/ac2/wp-dyn/A4359-2002Jul14?language=printer
And kiss the late September good by. Temperatures will aproach 90 today, & the M/U 90s Tue - Thur, along with humidity.
Steve MInghini
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