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It’s going to rain/freezing rain/snow today

March 09, 2006 @ 07:43 By: gordon Category: General

Ottawa’s currently under a freezing rain warning. School buses are cancelled, so there’ll be a lot of parents who are either going to be late to work or stuck at home today.

The TAF (terminal area forecast)for CYOW has 13 time periods on it, including the TEMPO and PROB sections, which makes it one of the longest ones I’ve seen:

TAF CYOW 091147Z 091212 07008KT P6SM OVC060
FM1300Z 08008KT 3SM -SN OVC015 TEMPO 1315 2SM -FZRA BR OVC008
FM1500Z 09010KT 2SM -FZRA BR OVC008 TEMPO 1516 3SM -SNRA OVC010
FM1600Z 11010KT 2SM -RA BR OVC008 PROB30 1619 1SM -FZRA BR OVC006
FM1900Z 13008KT 6SM -RA BR SCT004 OVC015 TEMPO 1903 2SM -RA BR BKN004 OVC015
BECMG 2123 16008KT
FM0300Z 16008KT 6SM -SHRA BR OVC015
FM0500Z 16008KT P6SM -SHRA OVC025
FM0800Z 18008KT P6SM OVC060
FM1000Z 18010KT 3SM -SHRA BR OVC010
RMK NXT FCST BY 15Z=

One of the rules of thumb I use when scanning TAFs is the longer they are, the less hospitible the weather is. It doesn’t always work, but for a forecast like this one it does. At least there’s no SG, PL or GR (to name a few) in it.

I really can’t wait forsummer to arrive.

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