Tuesday, 01 February 2011

Dear Diary...

Not through yet...


Our overnight icing/sleet isn’t the end of the story.  Here’s the snow prediction map for the next 24 hours or so...
Snowfall probability map for 24 hours beginning 12z February 1, 2011. Adapted from National Weather Service.
The problem here in Indy will be ice:
Icing probability map (at least 1/4 in. accumulation) for 24 hours beginning 12z February 1, 2011. Adapted from National Weather Service.
The Weather Service doesn’t map ice predictions beyond ¼”, but here’s what their Ice Storm Warning has to say:

...MANY AREAS ALONG INTERSTATE 70 SAW A TENTH TO A QUARTER INCH OR MORE OF ICE LAST NIGHT AND EARLY THIS MORNING ALONG WITH PERIODS OF SLEET...

A BRIEF LULL IN THE ACCUMULATING PRECIPITATION WILL COME TO AN END AS FREEZING RAIN, SLEET, AND SNOW WILL BEGIN ACROSS THE AREA THIS AFTERNOON AS THE STRONG LOW PRESSURE SYSTEM SWINGS OUT OF THE SOUTHERN PLAINS...
...
AT THIS TIME...NORTH AND NORTHWEST CENTRAL INDIANA...INCLUDING THE CITIES OF DELPHI AND LAFAYETTE...LOOK TO REMAIN COLD ENOUGH THAT A SIGNIFICANT PORTION OF THE PRECIPITATION MAY FALL IN THE FORM OF SNOW.  SNOWFALL MAY BE HEAVY AND AMOUNTS IN EXCESS OF 12 INCHES ARE POSSIBLE BY WEDNESDAY EVENING.

FARTHER SOUTH...INCLUDING THE CITIES OF TERRE HAUTE... INDIANAPOLIS...BLOOMINGTON...NEW CASTLE AND MUNCIE...WARM AIR IS EXPECTED TO BE PRESENT AND PRECIPITATION SHOULD CONTINUE TO FALL AS FREEZING RAIN AND SLEET.  SIGNIFICANT ICE ACCUMULATION IS POSSIBLE...WITH ICE ACCUMULATION OF ONE INCH OR MORE. FURTHERMORE...STRONG WINDS GUSTING UP TO 40 MPH ARE EXPECTED FROM LATE TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON.  THIS COMBINATION WILL RESULT IN WIDESPREAD DOWNED TREES AND POWER LINES...
Power was still on at my place when I left, but we’ve had a couple of glitches here at work, even though the heavy freezing rain hasn’t begun yet.  The Indianapolis forecast calls for an inch of ice with 2” of snow.

Lovely.

Posted by: Old Grouch in Dear Diary... at 20:33:09 GMT | No Comments | Add Comment
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