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Posted at 06:30 PM ET, 01/10/2011

Winter in DC: nothing longer than waiting for snow

We're still predicting 1-4 inches Tuesday evening

The afternoon models are in, and guess what? They haven't changed meaningfully. That means our accumulation map, timeline, and answers to frequently asked questions posted around 2 p.m. are still valid. As hard as it might be to believe, accumulating snow - to the tune of one to four inches - may still be 24 hours away. (It may be a long 24 hours.)

A few notes:

* The National Weather Service trimmed back the Winter Storm Watch for Tuesday afternoon and night east of D.C. and it no longer includes Calvert, Charles, and St. Mary's county.

* A point for us to emphasize: If you like snow, don't be surprised and panic if the radar shows little or nothing during the day tomorrow. It may well take some time for the radar to show impressive returns as it won't be until late afternoon or even the evening that low pressure offshore starts getting its act together.

* The afternoon (18z) GFS model simulates about 1.5-2.5" of snow (0.18", 0.17" and 0.23" liquid equivalent at Reagan National, Dulles, and BWI, respectively). The afternoon (18z) NAM model simulates about 3" of snow for D.C. and 4" for Baltimore. These numbers are remarkably similar to the last several runs of both models.

* Results of our earlier poll indicate CWG readers are conservative with their snowfall predictions (siding with the GFS model). Of more than 2500 votes, 58% predicted less than 2", and 42% predicted more than 2".

* School systems: Be sure to register for the Post's new school closings website so your closings/delays will appear should they be required.

There's more, so keep reading...

* Earlier today, we asked you to post via Twitter (@capitalweather) what #WinterinDC means to you. Keep reading for some of the most creative replies...

.bbpBox24508215655931904 {background:url(http://a2.twimg.com/profile_background_images/179855304/Twit_BK-img3.jpg) #1A1B1F;padding:20px;} p.bbpTweet{background:#fff;padding:10px 12px 10px 12px;margin:0;min-height:48px;color:#000;font-size:18px !important;line-height:22px;-moz-border-radius:5px;-webkit-border-radius:5px} p.bbpTweet span.metadata{display:block;width:100%;clear:both;margin-top:8px;padding-top:12px;height:40px;border-top:1px solid #fff;border-top:1px solid #e6e6e6} p.bbpTweet span.metadata span.author{line-height:19px} p.bbpTweet span.metadata span.author img{float:left;margin:0 7px 0 0px;width:38px;height:38px} p.bbpTweet a:hover{text-decoration:underline}p.bbpTweet span.timestamp{font-size:12px;display:block}

#WinterInDC is like playing slot machines, the sevens replaced by 'maybes' "maybe...maybe.....maybe not"... @capitalweather @washingtonpost

.bbpBox24524101141921790 {background:url(http://a3.twimg.com/a/1294279085/images/themes/theme1/bg.png) #C0DEED;padding:20px;} p.bbpTweet{background:#fff;padding:10px 12px 10px 12px;margin:0;min-height:48px;color:#000;font-size:18px !important;line-height:22px;-moz-border-radius:5px;-webkit-border-radius:5px} p.bbpTweet span.metadata{display:block;width:100%;clear:both;margin-top:8px;padding-top:12px;height:40px;border-top:1px solid #fff;border-top:1px solid #e6e6e6} p.bbpTweet span.metadata span.author{line-height:19px} p.bbpTweet span.metadata span.author img{float:left;margin:0 7px 0 0px;width:38px;height:38px} p.bbpTweet a:hover{text-decoration:underline}p.bbpTweet span.timestamp{font-size:12px;display:block}

#WinterInDC http://t.co/y2LJG0r via @capitalweather is like a Hitchcock flick. The suspense is often keener than the action.

.bbpBox24509620449972224 {background:url(http://a2.twimg.com/profile_background_images/4790521/P7110681-2.JPG) #545557;padding:20px;} p.bbpTweet{background:#fff;padding:10px 12px 10px 12px;margin:0;min-height:48px;color:#000;font-size:18px !important;line-height:22px;-moz-border-radius:5px;-webkit-border-radius:5px} p.bbpTweet span.metadata{display:block;width:100%;clear:both;margin-top:8px;padding-top:12px;height:40px;border-top:1px solid #fff;border-top:1px solid #e6e6e6} p.bbpTweet span.metadata span.author{line-height:19px} p.bbpTweet span.metadata span.author img{float:left;margin:0 7px 0 0px;width:38px;height:38px} p.bbpTweet a:hover{text-decoration:underline}p.bbpTweet span.timestamp{font-size:12px;display:block}

#WinterinDC is like politics in DC: unpredictable, unnerving, and at times, catastrophic.

* Our next update will be at around 10:45 p.m. tonight...

By  |  06:30 PM ET, 01/10/2011

Categories:  Updates

 
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