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DC/MD/VA/WV April into May Obs. Thread. May to begin wet...then heat next week??? Rate Topic:

#421 Ian

SE Ridge

Group: Co-Admin
Posts: 56,138
Joined: 26-March 05
Location:20008

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 12:31 PM

i heard thunder

#422 Ian

SE Ridge

Group: Co-Admin
Posts: 56,138
Joined: 26-March 05
Location:20008

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 12:32 PM

WEATHER53, on Apr 22 2009, 01:22 PM, said:

My 4.5"+ call might get confirmed in a half hour if that cell makes it into DCA..

maybe, you'll need some luck tho. GFS says we can probably get .4"+ somewhere before may starts.

#423 usedtobe

Group: Meteorologist
Posts: 8,162
Joined: 27-January 05
Location:calvert county md

Posted 22 April 2009 - 12:47 PM

Ian, on Apr 22 2009, 01:31 PM, said:

i heard thunder

Had thunder about a half hour ago, there's a big tree down in the road leading out of the subdivision. I'm not sure what happened.

#424 Midlo, va. home snow maker

SET CONDITION ALPO

Group: Super Moderators
Posts: 19,964
Joined: 23-February 05
Location:Midlothian VA. elevation 300 ft

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 85%
Pressure:: 1021.3mb
Visibility:: 10.00 mile(s)
Conditions:: Overcast
Location:: KRIC
Updated:: Feb 9 2010, 6:54 am EST

Data Source: NWS

Posted 22 April 2009 - 01:07 PM

just had a heavy shower roll through temp dropped from 54 to 44 and i could see some left over ice crystals hitting the windshield :lightning:

check out canaan

Davis 3SE, Tucker County, West Virginia
         Summit of Canaan Mountain, Elev: 3715 Ft.

            ====================================
                UPDATED: 105PM 22 April 2009
            ====================================

                     A P R I L   2 0 0 9

-------------- Daily ------------- -- Month/Season/Year -
       Temperature 24 hr 24hr Snow Precip'tion  Snowfall
Date   Max Min 7AM Precp Snow Dpth   MTD  YTD  MTD   STD
       (F) (F) (F) (in.) (in.) 7AM  (in.)(in.) in.) (in.)
------ --- --- --- ----- ---- ---- ----- ----- ---- -----
Apr 22 100PM Currently light snow shower and 30F.  Snowfall since 7AM 1.3 inches; current snow depth 1 inch.

#425 snowdude

Student Meteorologist

Group: Members
Posts: 6,082
Joined: 16-November 05
Location:Dale City, VA/Millersville, PA

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 01:22 PM

Ian, on Apr 22 2009, 01:31 PM, said:

i heard thunder

Big deal

#426 jonjon

Group: Members
Posts: 994
Joined: 04-January 05
Location:Davis, West Virginia

Weather Observations 19.0 F (-7.2 C)

Wind is: Calm
Humidity:: 77%
Pressure:: 1018.7mb
Visibility:: 6.00 mile(s)
Conditions:: Overcast with Haze
Location:: KEKN
Updated:: Feb 9 2010, 6:51 am EST

Data Source: NWS

Posted 22 April 2009 - 01:39 PM

WxOrKnot, on Apr 22 2009, 01:30 PM, said:

Man, that's a loooong winter. It seems like a long time since I was up there and your winter just keeps going.

Yeah, I'm done -- time for spring!!

Although it will only be a couple months before I'm looking forward to the snow again.

#427 VortMax

Kyrie eleison

Group: Admin
Posts: 27,850
Joined: 30-June 04
Location:Manchester, MD

Weather Observations 17.0 F (-8.3 C)

Wind is: Calm
Humidity:: 84%
Pressure:: 1020.6mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KBWI
Updated:: Feb 9 2010, 7:54 am EST

Data Source: NWS

Posted 22 April 2009 - 03:09 PM

Ian, on Apr 22 2009, 01:31 PM, said:

i heard thunder

Congrats!

#428 ice1972

Group: Members
Posts: 852
Joined: 04-December 05
Location:West Hartford, CT

Weather Observations 24.0 F (-4.4 C)

Wind is: Calm
Humidity:: 60%
Pressure:: 1017.3mb
Visibility:: 10.00 mile(s)
Conditions:: Fair
Location:: KHFD
Updated:: Feb 9 2010, 6:53 am EST

Data Source: NWS

Posted 22 April 2009 - 03:12 PM

Heres what pisses me off.....this heat has been forecast for days now......and appears it will verify.....the first real heat of the season nailed by the forecast models so it would seem....so why the fook can't they get it right for the snow......annoying.....seems this always happens....heat waves seem to be easier to forecast than cold and stormy....really annoying...

#429 Ian

SE Ridge

Group: Co-Admin
Posts: 56,138
Joined: 26-March 05
Location:20008

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 03:13 PM

VortMax, on Apr 22 2009, 04:09 PM, said:

Congrats!

thanks i put a lot of effort into it

#430 LVblizzard

Don't stop believin'!

Group: Members
Posts: 7,096
Joined: 24-March 08
Location:Lehigh Valley, PA

Weather Observations 16.0 F (-8.9 C)

Wind is: Southwest at 6.9 MPH (6 KT)
Humidity:: 77%
Pressure:: 1019.9mb
Visibility:: 10.00 mile(s)
Conditions:: Fair
Location:: KABE
Updated:: Feb 9 2010, 6:51 am EST

Data Source: NWS

Posted 22 April 2009 - 03:17 PM

12z GFS says RIC hits 98 on Saturday :o

http://raleighwx.eas...maxtemps084.gif

#431 VAwxwatch

Group: Banned
Posts: 303
Joined: 28-January 09
Location:Jacksonville, FL

Weather Observations 47.0 F (8.3 C)

Wind is: South at 3.5 MPH (3 KT)
Humidity:: 93%
Pressure:: 1014.0mb
Visibility:: 7.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KJAX
Updated:: Feb 9 2010, 7:56 am EST

Data Source: NWS

Posted 22 April 2009 - 03:17 PM

Dark skies and a couple of sprinkles.

#432 WEATHER53

Group: Professional Forecaster
Posts: 21,538
Joined: 13-January 04
Location:Wheaton, MD

Weather Observations 17.0 F (-8.3 C)

Wind is: Calm
Humidity:: 84%
Pressure:: 1020.6mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KBWI
Updated:: Feb 9 2010, 7:54 am EST

Data Source: NWS

Posted 22 April 2009 - 03:28 PM

90+ for DCA bit harder to come by than I thought. Last time was 91 on April 19th 2004. Since that, the highest April temp has been just 86, three times, the most recent being 4/30/07.

#433 Ian

SE Ridge

Group: Co-Admin
Posts: 56,138
Joined: 26-March 05
Location:20008

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 03:32 PM

WEATHER53, on Apr 22 2009, 04:28 PM, said:

90+ for DCA bit harder to come by than I thought. Last time was 91 on April 19th 2004. Since that, the highest April temp has been just 86, three times, the most recent being 4/30/07.

GFS has us near or above Sun/Mon

Attached File

12zgfs2mmaxtemps084.gif (53.3K)
Number of downloads: 0

Attached File

12zgfs2mmaxtemps108.gif (53.49K)
Number of downloads: 0

#434 WEATHER53

Group: Professional Forecaster
Posts: 21,538
Joined: 13-January 04
Location:Wheaton, MD

Weather Observations 17.0 F (-8.3 C)

Wind is: Calm
Humidity:: 84%
Pressure:: 1020.6mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KBWI
Updated:: Feb 9 2010, 7:54 am EST

Data Source: NWS

Posted 22 April 2009 - 03:44 PM

Ian, on Apr 22 2009, 04:32 PM, said:

GFS has us near or above Sun/Mon

Attachment

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12zgfs2m...temps084.gif

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12zgfs2m...temps108.gif

I see it and it is impressive. We will have dried out by then. This will be one of my rare non calls.

#435 AviationWX29

301 Ft Elevation

Group: Members
Posts: 23,923
Joined: 13-January 07
Location:Central Loudoun County

Weather Observations 16.0 F (-9.0 C)

Wind is: Calm
Humidity:: 93%
Pressure:: 1016.2mb
Visibility:: 10.00 mile(s)
Conditions:: Partly Cloudy
Location:: KJYO
Updated:: Feb 9 2010, 7:00 am EST

Data Source: NWS

Posted 22 April 2009 - 03:47 PM

Ian, on Apr 22 2009, 04:32 PM, said:

GFS has us near or above Sun/Mon

Attachment

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12zgfs2m...temps084.gif

Attachment

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12zgfs2m...temps108.gif

12z NAM has us toasty here too on the 25th. 91* with 850's at 16 to 17

http://68.226.77.253...FC/NAM_kjyo.txt

#436 Ian

SE Ridge

Group: Co-Admin
Posts: 56,138
Joined: 26-March 05
Location:20008

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 03:49 PM

WEATHER53, on Apr 22 2009, 04:44 PM, said:

I see it and it is impressive. We will have dried out by then. This will be one of my rare non calls.

i think we'll get there at least one of those days... then maybe again midweek

#437 WEATHER53

Group: Professional Forecaster
Posts: 21,538
Joined: 13-January 04
Location:Wheaton, MD

Weather Observations 17.0 F (-8.3 C)

Wind is: Calm
Humidity:: 84%
Pressure:: 1020.6mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KBWI
Updated:: Feb 9 2010, 7:54 am EST

Data Source: NWS

Posted 22 April 2009 - 03:55 PM

Records for DC(not just DCA)
25th:93-1960 & others
26th:94-1915
27th:95-1915 and 95 is the highest max ever for any DC station in the month of April.

#438 zwyts

Group: Members
Posts: 51,249
Joined: 17-September 05
Location:dc

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 03:58 PM

Washington Area (ThreadEx Station)
Extremes
Highest Daily Maximum Temperature (degrees F)
Days: 4/1 - 4/30
Length of period: 1 day
Years: 1872-2009

Rank Value Ending Date
1 95.0 4/17/2002, 4/18/1976, 4/23/1960, 4/27/1915
5 94.0 4/24/1960, 4/20/1941, 4/7/1929, 4/24/1925, 4/26/1915
10 93.0 4/27/1990

#439 WEATHER53

Group: Professional Forecaster
Posts: 21,538
Joined: 13-January 04
Location:Wheaton, MD

Weather Observations 17.0 F (-8.3 C)

Wind is: Calm
Humidity:: 84%
Pressure:: 1020.6mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KBWI
Updated:: Feb 9 2010, 7:54 am EST

Data Source: NWS

Posted 22 April 2009 - 04:03 PM

zwyts, on Apr 22 2009, 04:58 PM, said:

Washington Area (ThreadEx Station)
Extremes
Highest Daily Maximum Temperature (degrees F)
Days: 4/1 - 4/30
Length of period: 1 day
Years: 1872-2009

Rank Value Ending Date
1 95.0 4/17/2002, 4/18/1976, 4/23/1960, 4/27/1915
5 94.0 4/24/1960, 4/20/1941, 4/7/1929, 4/24/1925, 4/26/1915
10 93.0 4/27/1990

Can you get the last 15 times it was 90, or higher, in April?

#440 MN transplant

Group: Meteorologist
Posts: 6,954
Joined: 01-March 05
Location:Falls Church, Virginia - 456'

Weather Observations 25.0 F (-3.9 C)

Wind is: Calm
Humidity:: 63%
Pressure:: 1021.1mb
Visibility:: 10.00 mile(s)
Conditions:: Mostly Cloudy
Location:: KDCA
Updated:: Feb 9 2010, 6:52 am EST

Data Source: NWS

Posted 22 April 2009 - 04:26 PM

WEATHER53, on Apr 22 2009, 04:03 PM, said:

Can you get the last 15 times it was 90, or higher, in April?

They are actually not very frequent:

4	18	1976	  95	59
4	19	1976	  93	62
4	20	1976	  91	66
4	12	1977	  90	52
4	13	1977	  90	54
4	19	1985	  91	63
4	22	1985	  93	62
4	26	1990	  91	64
4	27	1990	  93	65
4	27	1994	  90	65
4	19	1995	  91  57
4	16	2002	  92	65
4	17	2002	  95	65
4	18	2002	  91	67
4	19	2004	  91	60

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