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Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Tuesday, May 20, 2014

Chicago Weather O'Hare Data May 20 2014

2023:51W 56.00Thunderstorm Heavy Rain Fog/MistBKN038CB OVC050696587%NANA29.841010.10.39
2022:51S 710.00OvercastOVC050686281%NANA29.831009.70.26
2021:51S 510.00OvercastBKN055 BKN080 BKN140 OVC200676079%NANA29.841010.00.05
2020:51SW 12 G 2110.00ThunderstormFEW043 SCT050CB BKN110716376%NANA29.841010.10.05
2019:51SE 1010.00Thunderstorm Light RainSCT065CB BKN110 OVC160776362%NA7929.811009.2
2018:51SW 1010.00OvercastFEW070 SCT120 BKN200 OVC2508261858249%NA8329.811009.0
2017:51S 1010.00Mostly CloudyFEW055 SCT070 SCT150 BKN250836148%NA8429.831009.5
2016:51SW 1010.00Mostly CloudyBKN060846146%NA8429.831009.7
2015:51SW 1310.00Mostly CloudyBKN050 BKN300856246%NA8629.831009.6
2014:51SW 1010.00Mostly CloudySCT048 BKN300836148%NA8429.841010.0
2013:51SW 1010.00Partly CloudySCT046 SCT300836148%NA8429.851010.4
2012:51SW 1510.00A Few CloudsFEW042 FEW300806152%NA8129.86NA
2011:51W 1310.00A Few CloudsFEW300796154%NA8029.871011.0
2010:51SW 8 G 1710.00A Few CloudsFEW250776056%NA7929.861010.8
2009:51SW 14 G 2210.00Partly CloudySCT250735859%NANA29.871011.2
2008:51SW 16 G 2210.00Partly CloudySCT250705764%NANA29.881011.5
2007:51SW 1210.00Mostly CloudyBKN250655570%NANA29.881011.6
2006:51SW 1610.00Mostly CloudyFEW090 BKN2506453656268%NANA29.891011.9
2005:51S 1310.00Mostly CloudyBKN090 BKN250635165%NANA29.881011.5
2004:51S 1510.00Mostly CloudyBKN090624962%NANA29.881011.7
2003:51S 1410.00Mostly CloudyBKN250634756%NANA29.891011.9
2002:51S 14 G 2210.00A Few CloudsFEW250634654%NANA29.891012.1
2001:51S 16 G 2510.00Partly CloudyFEW050 SCT110644448%NANA29.901012.2
2000:51S 18 G 2310.00OvercastSCT037 BKN049 OVC1106543686345%NANA29.941013.5

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1125 AM CDT TUE MAY 20 2014

   VALID 201630Z - 211200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS FROM ERN IA INTO NWRN OH...

   ...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF SERN WY...NERN
   CO...AND THE NEB PNHDL...

   ...SUMMARY...
   SEVERE THUNDERSTORMS WITH THE POTENTIAL TO PRODUCE DAMAGING
   WINDS...LARGE HAIL...AND A COUPLE OF TORNADOES...ARE EXPECTED TO
   DEVELOP LATE THIS AFTERNOON AND EARLY EVENING FROM EASTERN IOWA TO
   THE WISCONSIN/ILLINOIS BORDER. STORM WILL PROGRESS EASTWARD ACROSS
   SOUTHERN LAKE MICHIGAN...NORTHERN INDIANA...SOUTHERN LOWER
   MICHIGAN...AND NORTHWEST OHIO THROUGH THE EVENING AND OVERNIGHT.

   ISOLATED TO SCATTERED LATE AFTERNOON AND EVENING STORMS ARE POSSIBLE
   ALONG AND EAST OF THE FRONT RANGE OF THE ROCKIES FROM SOUTHEAST
   WYOMING TO NORTHEAST COLORADO. SOME STORMS MAY PRODUCE HAIL AND HIGH
   WINDS.

   ...IA/WI INTO OH...
   BROAD ANTICYCLONIC UPPER FLOW IS PRESENT TODAY OVER THE
   CENTRAL/EASTERN UNITED STATES...WITH SEVERAL SHORTWAVE TROUGHS
   MOVING FROM THE CENTRAL ROCKIES INTO THE OH VALLEY.  AT THE
   SURFACE...A WARM FRONT EXTENDS FROM A LOW OVER KS INTO IA/WI...THEN
   SOUTHEASTWARD INTO OH.  WARM AND INCREASINGLY MOIST AIR IS SOUTH OF
   THE BOUNDARY WITH DEWPOINTS IN THE LOWER 60S AND AFTERNOON
   TEMPERATURES EXPECTED TO CLIMB WELL INTO THE 80S.  RESULTANT MLCAPE
   VALUES THIS AFTERNOON WILL RANGE FROM 1500-2000 J/KG.  MODELS ARE
   CONSISTENT IN DEVELOPING SCATTERED THUNDERSTORMS LATE THIS AFTERNOON
   ALONG THE BOUNDARY FROM SOUTH CENTRAL IA INTO SOUTHERN WI.  FORECAST
   SOUNDINGS IN THIS AREA SHOW SUFFICIENT VERTICAL SHEAR FOR ROTATING
   STORMS CAPABLE OF LARGE HAIL AND DAMAGING WINDS.  STORMS ARE LIKELY
   TO INCREASE IN COVERAGE THROUGH THE EVENING AND SPREAD EASTWARD INTO
   PARTS OF IL/IND AND WESTERN OH WITH A RELATIVELY CONCENTRATED AREA
   OF SEVERE REPORTS POSSIBLE.  EARLIER CONFIDENCE IN UPSCALE
   ORGANIZATION INTO A MORE INTENSE SEVERE WIND EVENT FARTHER EAST HAS
   SOMEWHAT DIMINISHED...BUT REMAINS A CONCERN THAT WILL BE MONITORED
   IN LATER UPDATES.

   ...WY/NEB/CO...
   SIMILAR TO YESTERDAY...ISOLATED THUNDERSTORMS ARE EXPECTED TO
   DEVELOP LATER TODAY OVER PARTS OF SOUTHEAST WY AND NORTHEAST CO. 
   STORMS WILL BE SPARSE IN COVERAGE...BUT SUFFICIENT VERTICAL SHEAR
   MAY RESULT IN SUPERCELLS CAPABLE OF LARGE HAIL AND DAMAGING WINDS. 
   LIMITED LOW LEVEL MOISTURE SHOULD PRECLUDE A MORE WIDESPREAD OR
   ORGANIZED SEVERE EVENT.

   ..HART/SMITH.. 05/20/2014

HOMETOWN WEATHER: Arlington Heights Weather Forecast -- Arlingtoncardinal.com/weather

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