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November 2012 General Discussion


SpartyOn

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LOT concered about redevelopment of fog again - especially over eastern CWA.

.DISCUSSION...

258 PM...LAST OF THE FOG HAS BURNED OFF ACROSS DUPAGE/WILL

COUNTIES THIS AFTERNOON. FIRST FORECAST CONCERN IS THE POTENTIAL

FOR FOG TO REDEVELOP TONIGHT. DEWPOINTS REMAIN QUITE MOIST IN THE

MID 40S. THE GRADIENT HAS TIGHTENED ACROSS NORTHWEST IL INTO

SOUTHERN WI BUT WINDS STILL RATHER LIGHT OVER THE SOUTHEAST HALF

OR SO OF THE CWA AND EXPECT THEM TO REMAIN RATHER LIGHT INTO THE

EARLY MORNING HRS AND NOW WITH CLEAR SKIES...WOULD EXPECT DECENT

RADATIONAL COOLING INTO THESE MID 40 DEWPOINTS WITH SOME FOG

LIKELY REDEVELOPING DURING THE EVENING. CONFIDENCE REGARDING HOWLOW VISIBILITIES

WILL DROP IS LOW...THOUGH WITH THE TIGHTER GRADIENT...WOULD EXPECT THE NORTHWEST CWA TO HAVE THE BEST CHANCE

OF LIGHT OR NO FOG WITH THE POTENTIAL FOR DENSE FOG TO BE

GENERALLY EAST OF I-57 INTO NORTHWEST INDIANA. NO HEADLINES FOR

NOW BUT WILL NEED TO BE MONITORED THROUGH THE EVENING.

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PUBLIC INFORMATION STATEMENT

NATIONAL WEATHER SERVICE CHICAGO IL

340 PM CST WED NOV 21 2012 /440 PM EST WED NOV 21 2012/

..LONG DURATION OF LOW VISIBILITY IN DENSE FOG OBSERVED

LATE TUESDAY NIGHT INTO WEDNESDAY MORNING BROUGHT WIDESPREAD AND

LONG LASTING DENSE FOG ACROSS THE AREA. VISIBILITY OF UNDER ONE

QUARTER MILE WAS OBSERVED AT ALL AUTOMATED OBSERVATION SITES

ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. THIS DENSE FOG HAD

SIGNIFICANT IMPACTS AT AIRPORTS...INCLUDING IN CHICAGO AND

ROCKFORD. HERE ARE SOME STATISTICS ABOUT THE LOW VISIBILITY

DURATION AT THESE AIRPORTS.

CHICAGO OHARE INTERNATIONAL AIRPORT...

BELOW 1/4 MILE VISIBILITY...3 HRS 43 MINS FROM 507 AM TO 850 AM.

CHICAGO MIDWAY INTERNATIONAL AIRPORT...

BELOW 1/4 MILE VISIBILITY...6 HRS 9 MINS FROM 340 AM TO 949 AM.

1/16 MILE VISIBILITY...3 HRS 50 MINS FROM MOST OF 535 AM TO 925 AM.

ROCKFORD INTERNATIONAL AIRPORT...

BELOW 1/4 MILE VISIBILITY...12 HRS 59 MINS FROM 937 PM TUESDAY

UNTIL 1036 AM WEDNESDAY.

1/16 MILE VISIBILITY...1 HR 25 MINS FROM 815 AM TO 940 AM.

THE NWS WOULD LIKE TO SPECIALLY THANK THE FAA CONTRACT OBSERVERS AT

THESE THREE AIRPORTS FOR COMPILING THIS DATA.

OTHER SITES...

SITE HOURS BELOW ONE QUARTER OF A MILE TIME

-------------------------------------------------------

KANKAKEE IL 11 HOURS 10 PM-9 AM

PERU IL 10 HOURS 1 AM-11 AM

ROMEOVILLE IL 13 HOURS 10 PM-11 AM

THIS IS BASED ON ONLY TOP OF THE HOUR MEASUREMENTS TAKEN FROM

AUTOMATED WEATHER OBSERVING SYSTEMS /AWOS/.

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This cool down is going to feel a little chillier after almost a week of torching.. Might just Will have to give in and light the furnace pilot on Sunday before the wife gets home from up north.... She endured the first round of 50's in the house like a trooper but only because the torch week was incoming and the house would be back in to the 60's without heat. It's always fun to endure the first cold snap with no heat but it gets old climbing in to a cold bed and seeing your wife clothed up around the house in the evening like she's living in an igloo.

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Wife's dad just smacked a buck going up to Ashland.. Hit it right outside of Hayward. He said the trucks temp outside was reading 58 @ 12:25! 18 degree's warmer than Kokomo Indiana where he's living.

Normals are 36/18 for Hayward.

Thankfully nobody hurt and the buck went down with little suffering. Please travel safe and have a wonderful Thanksgiving. y'all.

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Looks like good eatin'.

That Deer meat is so bruised. It would actually be terrible eating.

Bowme i know the feeling of smacking a deer. I have hit 3 of them in my life. Where i live we have large lite up signs to warn people on Deer crossing. Its nuts. Every morning drive to work I would see a dead deer every half mile on side of road.

Clipper on the 29th/30th could be something worth following

HAPPY THANKSGIVING EVERYONE

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A very foggy start to the morning here in Detroit on this Thanksgiving day. Visibility 1/8th of a mile at DTW, on our way to a high in the low 60's later on putting us in all time record territory for Thanksgiving. Great weather for the parade downtown.

While the record high today (69F in 1913) certainly seems out of reach, here are the all the Thanksgivings that hit 60F+ since 1896, which is our warmest Thanksgiving on record. With a low of 36F this morning, clearly 1896 will keep the record at the very least for mean temp. Unsure if any Thanksgivings hit 60F+ from 1870-1895.

11/26/1896: 65F/55F

11/26/1908: 62F/39F

11/26/1914: 60F/43F

11/30/1933: 60F/38F

11/20/1941: 62F/38F

11/26/1981: 60F/36F

11/22/1990: 60F/35F

Will we hit 60F in 2012? We certainly will hit the 50s, and the last 10 Thanksgivings? 3 had highs in the 30s and 7 in the 40s, so I guess we were due for a mild Thanksgiving. Enjoy it ye Indian Summer lovers, it ends tomorrow! Happy Thanksgiving all!

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While the record high today (69F in 1913) certainly seems out of reach, here are the warmest Thanksgivings (all the ones that hit 60F+):

11/26/1896: 65F/55F

11/26/1908: 62F/39F

11/26/1914: 60F/43F

11/30/1933: 60F/38F

11/20/1941: 62F/38F

11/26/1981: 60F/36F

11/22/1990: 60F/35F

Will we hit 60F in 2012? We certainly will hit the 50s, and the last 10 Thanksgivings? 3 had highs in the 30s and 7 in the 40s, so I guess we were due for a mild Thanksgiving. Enjoy it ye Indian Summer lovers, it ends tomorrow! Happy Thanksgiving all!

The average high today versus 11-30 on thanksgiving 1933 is 3 degrees. So, 11-22-1990 is the best measuring stick.

The record of 69 in DTW is definitely safe.

I'm not making much of a point here, just blabbering.

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A quick question regarding ground temps. Looks like Saturday night Door County will be seeing some light snow (up to 0.1-0.15" of precip on some models). It should be overnight, and the high on Saturday is projected to be 32F, with the low projected to be 26F. I am not sure if ground temps will hamper accumulation on grassy surfaces. I would imagine it being difficult to accumulate on concrete, but given temps being safely in an all snow zone and water temps cooling off pretty well by now, I'd like to think minor accumulation can be expected.

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A quick question regarding ground temps. Looks like Saturday night Door County will be seeing some light snow (up to 0.1-0.15" of precip on some models). It should be overnight, and the high on Saturday is projected to be 32F, with the low projected to be 26F. I am not sure if ground temps will hamper accumulation on grassy surfaces. I would imagine it being difficult to accumulate on concrete, but given temps being safely in an all snow zone and water temps cooling off pretty well by now, I'd like to think minor accumulation can be expected.

Road temps around the state are still in the 40's but you should be able to see some accumulation on grass if it snows hard enough.

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Grrrr.. calling for 3-6" with some wind in Ashland now.. I would have went back up north with the wife had the euro not been locked in showing the main snow north and naso much of a big deal... GFS and NAM were wetter and south for a while but I figured they were just teasing as usual.. 59 degrees up there now.

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It hit 62 here today, but not close to the record of 70 in 1931. Now getting some light rain.

I decided to put up the Christmas lights so I wouldn't have to freeze my fingers later. After some turkey, I went out and caught a few bluegill, figuring it would be my last fishing excursion of the year. All in all a good day. Now on to winter!

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