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March 21 - Inverted(Norlun) Trough


Baroclinic Zone

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PUBLIC INFORMATION STATEMENT

SPOTTER REPORTS

NATIONAL WEATHER SERVICE TAUNTON MA

803 PM EDT THU MAR 21 2013

THE FOLLOWING ARE UNOFFICIAL OBSERVATIONS TAKEN DURING THE PAST 24

HOURS FOR THE STORM THAT HAS BEEN AFFECTING OUR REGION. APPRECIATION

IS EXTENDED TO HIGHWAY DEPARTMENTS...COOPERATIVE OBSERVERS...SKYWARN

SPOTTERS AND MEDIA FOR THESE REPORTS. THIS SUMMARY IS ALSO AVAILABLE

ON OUR HOME PAGE AT WEATHER.GOV/BOSTON

********************STORM TOTAL SNOWFALL********************

LOCATION STORM TOTAL TIME/DATE COMMENTS

SNOWFALL OF

/INCHES/ MEASUREMENT

MASSACHUSETTS

...BRISTOL COUNTY...

FALL RIVER 3.0 630 PM 3/21 PUBLIC

3 NW TAUNTON 2.1 735 PM 3/21 NWS EMPLOYEE

NEW BEDFORD 2.0 754 PM 3/21 TRAINED SPOTTER

TAUNTON 1.9 750 PM 3/21 NWS OFFICE

RHODE ISLAND

...NEWPORT COUNTY...

PORTSMOUTH 1.5 652 PM 3/21 TRAINED SPOTTER

$$

FRANK

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TAN Obs. Damn!

212308 VV005 0.25 SNFZFG 31 28 0203 003 212252 VV004 0.25 +SNFZF 31 27 0604 030 009 212238 VV005 0.25 +SNFZF 31 27 0000 006 212226 VV007 0.25 +SNFZF 31 27 0000 004 212218 VV010 0.25 +SNFZF 31 27 0000 002 212207 VV018 0.5 SNFZFG 31 27 0000 000 212152 FEW004 OVC021 1.25 -SNBR 31 27 0103 029 002 212143 FEW004 OVC019 0.75 -SNBR 31 27 0205 002 212125 FEW004 OVC011 0.25 +SN 32 27 0403 001 212108 BKN017 OVC034 0.5 SN 32 26 VR04 000

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Nah, non event because NAM and RPM showed nothing. A nice lesson to use good meteorology and look at other parameters.

 

 

Also understanding that Norluns are nasty to forecast.

 

Nice 4 hour forecast by the NAM in SE MA from 18z.

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wasn't it pretty well forecast that one would happen, but the exact location. Was unsure? (Although it was pretty close - maybe 35 miles west?)

And I don't mean the NAM...

 

 

Well we felt that there would be one...but earlier today some people cancelled the event because the NAM and RPM showed nothing at all for anyone. They weren't believable solutions based on the other stuff. QPF fetish would get you in trouble on that.

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Nah, non event because NAM and RPM showed nothing. A nice lesson to use good meteorology and look at other parameters.

 

To be fair I did say T-2 region wide... With up to 3/4 on the cape. It was alarming that both models showed absolutely nothing though... Garbage

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take a look at 20z HRRR

 

best radar returns 5-8pm have matched very well with areas of best 700mb VVs

 

at 0z:

 

if true, the best is over for Boston metro... 

next few hours will have best returns generally over Plymouth county and south coast

 

03z:

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To be fair I did say T-2 region wide... With up to 3/4 on the cape. It was alarming that both models showed absolutely nothing though... Garbage

They are very hard to forecast for sure, but with such good lift Progged, that was good enough for me. There was vertical development in the clouds this morning so instability is there. The fact that we saw light snow this morning from meager lift was all I needed to see for se ma. I can't say why there was no QPF but models sometimes suck with handling of mid level forcing. Also exact convergence was not totally agrees in either.

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