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

Monday, February 23, 2015

Chicago Weather O'Hare Data February 23 2015

D
a
t
e
Time
(cst)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond.Temperature (ºF)Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
PressurePrecipitation (in.)
AirDwpt6 houraltimeter
(in)
sea level
(mb)
1 hr3 hr6 hr
Max.

2323:51SW 13 G 2010.00OvercastOVC1805-77457%-12NA30.251025.9
2322:51SW 710.00Mostly CloudyBKN2004-760%-8NA30.281026.9
2321:51SW 1010.00Partly CloudySCT2504-760%-11NA30.311027.9
2320:51SW 1010.00FairCLR4-857%-11NA30.341029.3
2319:51SW 910.00FairCLR4-760%-10NA30.391030.8
2318:51SW 1010.00FairCLR5-854%-10NA30.431032.2
2317:51SW 1210.00A Few CloudsFEW2507-712752%-9NA30.461033.2
2316:51W 1210.00A Few CloudsFEW25010-745%-5NA30.471033.7
2315:51W 610.00FairCLR11-842%1NA30.511034.9
2314:51W 810.00FairCLR11-842%-1NA30.551036.1
2313:51W 910.00FairCLR11-940%-2NA30.581037.0
2312:51W 910.00FairCLR10-1137%-3NA30.611038.1
2311:51NW 710.00FairCLR9-119-439%-2NA30.651039.5
2310:51NW 610.00FairCLR5-1245%-6NA30.681040.7
2309:51W 710.00FairCLR3-1347%-9NA30.701041.3
2308:51NW 710.00A Few CloudsFEW040 FEW1501-1546%-12NA30.711041.6
2307:51NW 1010.00A Few CloudsFEW040 FEW150-2-1456%-18NA30.711041.7
2306:51NW 1010.00A Few CloudsFEW040 FEW110-4-1558%-21NA30.691041.1
2305:51NW 910.00A Few CloudsFEW042-4-153-458%-20NA30.691041.2
2304:51NW 1010.00FairCLR-3-1458%-20NA30.691041.2
2303:51NW 1410.00FairCLR-2-1359%-21NA30.681040.7
2302:51N 1710.00FairCLR-1-1356%-22NA30.691040.8
2301:51N 1310.00FairCLR-0-1257%-18NA30.681040.5
2300:51N 1310.00FairCLR2-1252%-16NA30.671040.2

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

Convective Outlook Active in the Southeast United States ...

Isolated tornadoes are possible in in the Florida Panhandle, north Florida and parts of southwest Georgia.

Winter Storm warnings in Iowa and much of the southeast United States. Light snow approaching Chicagoland.





DAY 1 CONVECTIVE OUTLOOK
   NWS STORM PREDICTION CENTER NORMAN OK
   1026 AM CST WED FEB 25 2015

   VALID 251630Z - 261200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF SOUTHWEST GA AND
   NORTHWEST FL...

   ...THERE IS A MRGL RISK OF SVR TSTMS OVER PORTIONS OF FL/AL/GA...

   ...SUMMARY...
   SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE SOUTHEAST UNITED
   STATES TODAY AND TONIGHT. DAMAGING WINDS AND/OR ISOLATED TORNADOES
   COULD OCCUR TONIGHT FROM THE FLORIDA PANHANDLE ACROSS NORTH FLORIDA
   AND SOUTH GEORGIA.

   ...FL/GA...
   WATER VAPOR LOOPS SHOW AN INTENSE SHORTWAVE TROUGH OVER TX MOVING
   RAPIDLY EASTWARD.  SURFACE ANALYSES SHOW A DEEPENING SURFACE LOW OFF
   THE LA COAST.  THIS LOW WILL TRACK EAST-NORTHEASTWARD INTO THE FL
   PANHANDLE THIS EVENING...AND INTO SOUTHERN GA/NORTH FL OVERNIGHT.
   12Z MODEL GUIDANCE IS IN GENERAL AGREEMENT THAT THE WARM FRONT
   ASSOCIATED WITH THE SURFACE LOW WILL LIFT NORTHWARD TODAY OVER THE
   LOOP CURRENT AND ONSHORE AFTER DARK.  THIS WILL RESULT IN A SMALL
   AREA OF MARGINAL INSTABILITY AHEAD OF THE LOW.  FORECAST SOUNDINGS
   IN THIS REGION SHOW VERY FAVORABLE LOW LEVEL AND DEEP LAYER VERTICAL
   SHEAR FOR SUPERCELLS AND TORNADOES.  ALSO...RECENT
   CONVECTIVE-ALLOWING MODELS SUGGEST A REASONABLE PROBABILITY OF
   DISCRETE CONVECTIVE DEVELOPMENT AHEAD OF THE COLD FRONT FROM THE
   SURFACE LOW SOUTHWARD TO THE COAST.  THESE ITEMS HAVE RAISED
   CONFIDENCE IN A PERIOD OF RISK OF DAMAGING WINDS AND TORNADOES THIS
   EVENING AND EARLY TONIGHT OVER PARTS OF SOUTHWEST GA AND NORTHWEST
   FL.

   ..HART/MOSIER.. 02/25/2015

   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
   CURRENT UTC TIME: 1730Z (11:30AM), RELOAD THIS PAGE TO UPDATE THE TIME


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