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January 31-February 2 Potentially Historic Winter Storm


Hoosier

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6z NAM gives IND 1.9" of FZRA.. and 1" of inch. IND making a very bad, call on already issuing WSW this far out I think..

It is a watch, not a warning. They can upgrade it to pretty much anything (any precip type). Hitting FZRA is difficult, and you're still looking three days out so I see no problems here. You give one run of one model too much credit.

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A question was raised earlier that I didn't catch a response to and was wondering if someone with expertise could commentate. Given that the precipitation is going to be so heavy in places like IND and MIE when the prime icing conditions are occurring, what are the chances that the heavy precipitation cools the warm nose faster than the models are predicting? I am sitting here in Muncie, and we are right on that frz/sn line.

Also, would having a snowpack, even if it's relatively light, help this process as well? Muncie's got about 3" at the moment and should hold onto it up until the storm hits. (Anything to not have 1"+ of ice. lol)

Thanks.

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1) 1" of inch??????

2) Why do you think the watch is a bad call?

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They could of waited until the afternoon package to issue the watch.

It's becoming very apparent that things are shifting NW, why raise everyone's awareness if there really ends up not being a threat..

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They could of waited until the afternoon package to issue the watch.

It's becoming very apparent that things are shifting NW, why raise everyone's awareness if there really ends up not being a threat..

Then cancel the watch. At this point there is a better likelihood of significant snow than significant ice. Yes, significant ice may occur (or even just rain) but at this point chips are on snow. Adjust as you move along, but better to get people aware already. Some people seem to think that if you issue a watch you have to issue a warning, which just isn't true.

Outlook = 30% confidence

Watch = 50% confidence

Warning = 80% confidence

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I hate these graphics so much. No one cares about JUST YOUR CWA! Not like it asking for the moon to piece the full NDFD together to create an actually usable image. Sheesh.

Then cancel the watch. At this point there is a better likelihood of significant snow than significant ice. Yes, significant ice may occur (or even just rain) but at this point chips are on snow. Adjust as you move along, but better to get people aware already. Some people seem to think that if you issue a watch you have to issue a warning, which just isn't true.

Outlook = 30% confidence

Watch = 50% confidence

Warning = 80% confidence

Read more and post less.

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They could of waited until the afternoon package to issue the watch.

It's becoming very apparent that things are shifting NW, why raise everyone's awareness if there really ends up not being a threat..

I still don't understand what you mean by 1" of inch.

This is a high confidence, high probability event. An ice storm would cripple the infrastructure in this area as we saw in 2004. It was 3 days before urban areas had power restored, I don't know about rural. I would want to give people 48 hours to get prepared and make plans opposed to 24.

Tomorrow is my normal grocery day, will be interested to see how it is.

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I still don't understand what you mean by 1" of inch.

This is a high confidence, high probability event. An ice storm would cripple the infrastructure in this area as we saw in 2004. It was 3 days before urban areas had power restored, I don't know about rural. I would want to give people 48 hours to get prepared and make plans opposed to 24.

Tomorrow is my normal grocery day, will be interested to see how it is.

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Meant to say 1" of snow..

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THUS A SCENARIO OF A SIGNIFICANT WINTRY MESS SEEMS TO BE SETTING UP FOR OUR AREA MON NIGHT THROUGH WED. IN PLACES THAT STAY ALL OR MOSTLY SNOW...COULD EASILY SEE 10 OR MORE INCHES. SINCE ONLY LOOKING FOR ABOUT 3 TO 5 INCHES FOR MON NIGHT INTO TUE PERIOD THEN LIGHT PRECIP MOST OF TUE BEFORE HEAVY PRECIP RETURN TUE NIGHT INTO WED THERE IS UNCERTAINTY AS TO BEST HANDLE HEADLINES. AFTER COORDINATION...WILL HOLE OFF ON HEADLINES AND LET DAY SHIFT TRY AND GET BETTER FEEL FOR PRECIP MON NIGHT AND TUE TO DECIDE WHETHER A LONG WATCH IS BEST OR WHETHER IT MAY BE AN ADVISORY THEN WARNING TYPE SITUATION.

This is part of the early morning Area Forecast Discussion from the National Weather Service in Cleveland.

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Hopefully this thing doesn't shift any further NW. EURO apparently has me flirting with the dry slot.

Fortunately the 06z/18z runs have been somewhat different from the 00z/12z runs anyway, so maybe they're a hair too dry/too far NW.

BTW, does anyone think LOT/DTX/GRR/IWX will issue a B-word watch after assessing today's model runs? They already included the possibility of B-word conditions in their WSW.

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Hopefully this thing doesn't shift any further NW. EURO apparently has me flirting with the dry slot.

Fortunately the 06z/18z runs have been somewhat different from the 00z/12z runs anyway, so maybe they're a hair too dry/too far NW.

BTW, does anyone think LOT/DTX/GRR/IWX will issue a B-word watch after assessing today's model runs? They already included the possibility of B-word conditions in their WSW.

Yea I was thinking that too. I think more LOT IWX and GRR because they will be in the higher winds.

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The watch is warranted. For Central Indiana the confidence is high for an frz/ice/snow event and there is a lot of evidence to support the decision for WSW in their morning disc.

Not to wish the event on someone else but I'm praying for a continued nw track to bring our temps above freezing, at least for a good period of time, to lessen ice accumulations. With it being 36-48 hours out now of the start of this thing, it will be a godsend if it happens.

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