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June 2012 General Discussion


Chicago Storm

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Picked up 0.28" overnight. Put a bit of water in my pond, which was almost dry yesterday. Grass has responded overnight - not totally green, but greener!

CPC says trough in the Lakes starting at D6. Would makes sense if the MJO is in Phase 1 or 2.

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Picked up 0.28" overnight. Put a bit of water in my pond, which was almost dry yesterday. Grass has responded overnight - not totally green, but greener!

CPC says trough in the Lakes starting at D6. Would makes sense if the MJO is in Phase 1 or 2.

Meh about MJO phases.

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Interesting discussion regarding MCS predicted to develop in central MN and move towards the east or southeast. Thunderstorms for SE WI, W MI tonight?

MKX

TONIGHT...FORECAST CONFIDENCE...EDIUM

QUIET WEATHER AROUND HERE THROUGH THE EVENING AS CONDITIONS GET

VERY UNSETTLED ACROSS MINNESOTA. A STRONG WARM ADVECTION RETURN

FLOW KICKS IN TONIGHT. THE CORE OF A RAPIDLY STRENGTHENING LOW

LEVEL JET WILL STRETCH FROM SOUTHEAST NEBRASKA INTO SOUTHERN

MINNESOTA THIS EVENING. WE EXPECT TO SEE A LARGE MCS DEVELOP OVER

MINNESOTA DURING THE EVENING...WITH PROPAGATION LIKELY TO THE EAST

THEN SOUTHEAST AFTER MIDNIGHT. CORFIDI VECTORS/THICKNESS PATTERN

SUGGEST A DECENT TURN TOWARD OUR NORTHWEST FORECAST AREA AS IT

LIKELY EVOLVES INTO LARGE BOWING SYSTEM. DEEP LAYER SHEAR WILL BE

ON THE ORDER OF 40-50KTS WITH OVER 1000J/KG OF ELEVATED CAPE. THE

MODELS ARE IN PRETTY GOOD AGREEMENT ABOUT WHERE THIS STUFF WILL

INITIALLY DEVELOP. THE UNCERTAINTY INCREASES...AS USUAL...ON WHAT

IT WILL LOOK LIKE AND WHERE IT WILL BE TOWARD THE DIURNAL MINIMUM

LATE TONIGHT AS IT ROLLS INTO OUR NORTHWEST FORECAST AREA. SPC HAS

PUT SOME OF THE AREA WEST OF MADISON IN A SLIGHT RISK AND THAT/S

REASONABLE. WIND AND HAIL WOULD BE THE MAIN THREAT AT THAT POINT.

.MONDAY THROUGH WEDNESDAY...FORECAST CONFIDENCE...MEDIUM

BULK OF MODELS SUGGEST CONVECTIVE COMPLEX WILL BE ONGOING MONDAY

MORNING...WITH OVERLAP OF MODELS SUGGESTING THE NORTHERN FORECAST

AREA HAS THE BEST CHANCE FOR STORMS. AFTER THAT...MODELS ALL KEEP

THE SFC WARM FRONT NORTH...WITH HOT CONDITIONS ACROSS THE FORECAST

AREA. MORNING CONVECTION COULD CERTAINLY WREAK HAVOC ON FORECAST

HIGHS IN THE LOW TO MID 90S...PARTICULARLY TOWARD THE LAKE IF WINDS

END UP BEING ONSHORE FOR MUCH OF THE DAY. WRK-ARW SUGGESTING A

SCENARIO LIKE THIS. FOR NOW THOUGH...WILL GO WITH BULK OF MODELS

SUGGESTING A HOT AFTERNOON ONCE THE MAJORITY OF CLOUDS MOVE OUT.

MODELS INDICATING PRETTY DECENT WINDS MONDAY...POSSIBLY GUSTING

TO AROUND 40 MPH. WINDS SHOULD HELP BATTLE THE HEAT...KEEPING

DEWPOINTS AND THUS HEAT INDEX VALUES FROM GETTING OUT OF HAND.

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You can say that again...Widespread 100's from the 23-26th and probably beyond.

28C+ at 850mb over the Ohio Valley on the 25th.

That is one of the hottest maps I've ever seen. Widespread 100's with some 105F+ readings in the OV. Considerable flip flopping in that range as has been said, but wow.

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That is one of the hottest maps I've ever seen. Widespread 100's with some 105F+ readings in the OV. Considerable flip flopping in that range as has been said, but wow.

Forecaster Nield at IND must have been looking ahead at the Euro. His quip from the morning disco:

ASIDE FROM WHAT LOOKS TO BE BRIEF RETURN TO NEAR NORMAL TEMPS FRIDAY AND

SATURDAY...90 DEGREE HEAT WILL NOT BE GOING ANYWHERE ANYTIME SOON

FOR LENGTHY PERIODS.

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Forecaster Nield at IND must have been looking ahead at the Euro. His quip from the morning disco:

ASIDE FROM WHAT LOOKS TO BE BRIEF RETURN TO NEAR NORMAL TEMPS FRIDAY AND

SATURDAY...90 DEGREE HEAT WILL NOT BE GOING ANYWHERE ANYTIME SOON

FOR LENGTHY PERIODS.

What makes that Euro prog even more stunning is that it's not July. A lot of the classic high-end heat waves have occurred in mid or late July, though there are some exceptions. Wait and see I guess...I remember the Euro trying to pull something like this a couple times in the past couple years only to back off some as it got closer.

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That is one of the hottest maps I've ever seen. Widespread 100's with some 105F+ readings in the OV. Considerable flip flopping in that range as has been said, but wow.

Indeed.

FWIW...The last few runs of the GFS have come in warmer, though not to the extent of the ECMWF...but still enough for a string of 90+ days for a large area.

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Wouldn't be surprised if some wind advisories are needed tomorrow, especially from around Chicago and west/north. Gonna be an interesting day with mid/upper 90's and winds gusting 35-40+ mph.

It would mean red flag warnings if not for the rain received in that region. Could see some for Northern IN, which are rare for this area.

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Shelf cloud time-lapse from yesterday afternoon.

Nice! I love those kind of time lapses.

Surprised most of the offices didn't issue a wind advisory for tomorrow. Definitely gonna need one over a wide area. DVN going with 15-25mph winds for their area. Many of the models show sustained winds around 25kts, which would be nearly 30mph. They'll definitely be adjusting the forecast upward by tomorrow.

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I saw Aurora Borealis for the first time in my life today! I did an analysis of all the solar data and everything matches up, this is the real deal folks. Kinda hard to make out in photos but the green tinge is definitely evident. With the naked eye it was fairly spectacularly, for a Floridian at least http://weather.schematical.com/

post-645-0-82780900-1339982335_thumb.jpg

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