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2014 Short/Med Range Severe Weather Disco


Chicago Storm

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FWIW from LOT

 

GUIDANCE DIFFERS WITH DETAILS OF SHORT WAVES MOVING THROUGH
SOUTHWEST FLOW ALOFT INTO EARLY NEXT WEEK...THOUGH THE POTENTIAL
EXISTS FOR SEVERAL ROUNDS OF THUNDERSTORMS TO AFFECT THE REGION INTO
AT LEAST TUESDAY AS COLD FRONT SLOWLY MOVES SOUTH INTO A VERY WARM
AND MOIST AIR MASS. WEST-SOUTHWEST TO EAST-NORTHEAST ORIENTATION OF
BOUNDARY COMBINED WITH HIGH PRECIPITABLE WATER VALUES (1.5-2.0
INCHES PER GFS SOUNDINGS) WILL LIKELY SUPPORT A HEAVY RAINFALL
THREAT...AND INCREASING DEEP LAYER BULK SHEAR ESPECIALLY MON-WED
ALSO SUGGESTS SEVERE MCS POTENTIAL. FOR NOW HAVE MAINTAINED RATHER
BROAD-BRUSHED CHANCE POPS FROM SUNDAY ONWARD...THOUGH DETAILS SUCH
AS THE LOCATION OF THE FRONTAL BOUNDARY (LIKELY MODULATED BY
CONVECTIVE OUTFLOWS)...AS WELL AS INDIVIDUAL LOW-AMPLITUDE WAVES
WILL ULTIMATELY DRIVE CONVECTIVE TRENDS AND TIMING DURING THIS
PERIOD.
 

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Growing less impressed with severe for a good chunk of our sub beyond Monday.  Models keep the best instability squashed further south after the Monday wave.  Numerous convective complexes would likely shove the focus for deep convection even further south than what's currently shown. 

 

Monday is still looking pretty impressive though.  Tor potential looks pretty slim to me now, but widespread significant severe is looking possible if trends continue.

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wagons south

Not based on the 00z Euro and 06z GFS. The 00z Euro looks pretty interesting here, southeast WI and in IN on Thursday and the 06z GFS looks interesting along the warm front in IA, IL and IN on Weds. Obviously still far out but I wouldn't rule out potential on those days.

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All it took was for me to bad mouth it a bit, and then the Euro comes in better. Worked like a charm. :tomato:

As far out as it is, 12Z GFS and Euro were in decent agreement on what would be a legit warm front threat across northern/central IL on Wednesday afternoon and evening. Euro is a bit farther north than GFS, but both models are showing good deep layer and low level speed and directional shear over the area. Moisture/LCL heights shouldn't be an issue with pooling along the warm front. It'll be interesting to see how things trend.

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IMO we're definitely still in that time of year when D3+ warm levels trend south but i hope that isn't the case…would love an extended period of active weather.

 

 

I understand where you're coming from but I don't know if there's a time of year when that concern really ends.  It's just that threats may be more likely to originate farther north as the summer months go on. 

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That stretch from then into next week is looking pretty favorable for severe weather attm.

 

12z GFS got rid of the first threat, although next week looks to still be open for business. Considering the Euro has absolutely manhandled the GFS in verification at all ranges recently, I'm taking most things it shows likely.

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12z GFS got rid of the first threat, although next week looks to still be open for business. Considering the Euro has absolutely manhandled the GFS in verification at all ranges recently, I'm taking most things it shows likely.

 

Details can and will change, but having good CAPE and shear is a great way to start and it looks like we will have it.

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Surprise!!

 

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
733 PM EDT TUE JUN 10 2014

INC055-102345-
/O.CON.KIND.TO.W.0009.000000T0000Z-140610T2345Z/
GREENE IN-
733 PM EDT TUE JUN 10 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL GREENE COUNTY
UNTIL 745 PM EDT...

AT 732 PM EDT...A CONFIRMED TORNADO WAS LOCATED NEAR BLOOMFIELD...AND
MOVING NORTH AT 15 MPH.

HAZARD...DAMAGING TORNADO.

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO.

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Actually two confirmed tornadoes about 25 miles apart. One 10 miles south of Bloomfield and the other 15 miles north of Bloomfield.

 

EMA is going to check our reported damage in the town of Bicknell.

 

EDIT: Mike Ryan at IND said this is in the area of cell mergers.

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In Indiana.

 

 

 

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
824 PM EDT TUE JUN 10 2014

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0718 PM TORNADO 6 S BLOOMFIELD 38.94N 86.94W
06/10/2014 GREENE IN PUBLIC

LAW ENFORCEMENT RELAYED A PUBLIC REPORT OF A BIG BLACK
TORNADO 5 MILES SOUTH OF US 231 AND SR58 MOVING NORTH.
TIME APPROXIMATED.
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