20 | 23:51 | W 5 | 6.00 | Thunderstorm Heavy Rain Fog/Mist | BKN038CB OVC050 | 69 | 65 | 87% | NA | NA | 29.84 | 1010.1 | 0.39 | ||||
20 | 22:51 | S 7 | 10.00 | Overcast | OVC050 | 68 | 62 | 81% | NA | NA | 29.83 | 1009.7 | 0.26 | ||||
20 | 21:51 | S 5 | 10.00 | Overcast | BKN055 BKN080 BKN140 OVC200 | 67 | 60 | 79% | NA | NA | 29.84 | 1010.0 | 0.05 | ||||
20 | 20:51 | SW 12 G 21 | 10.00 | Thunderstorm | FEW043 SCT050CB BKN110 | 71 | 63 | 76% | NA | NA | 29.84 | 1010.1 | 0.05 | ||||
20 | 19:51 | SE 10 | 10.00 | Thunderstorm Light Rain | SCT065CB BKN110 OVC160 | 77 | 63 | 62% | NA | 79 | 29.81 | 1009.2 | |||||
20 | 18:51 | SW 10 | 10.00 | Overcast | FEW070 SCT120 BKN200 OVC250 | 82 | 61 | 85 | 82 | 49% | NA | 83 | 29.81 | 1009.0 | |||
20 | 17:51 | S 10 | 10.00 | Mostly Cloudy | FEW055 SCT070 SCT150 BKN250 | 83 | 61 | 48% | NA | 84 | 29.83 | 1009.5 | |||||
20 | 16:51 | SW 10 | 10.00 | Mostly Cloudy | BKN060 | 84 | 61 | 46% | NA | 84 | 29.83 | 1009.7 | |||||
20 | 15:51 | SW 13 | 10.00 | Mostly Cloudy | BKN050 BKN300 | 85 | 62 | 46% | NA | 86 | 29.83 | 1009.6 | |||||
20 | 14:51 | SW 10 | 10.00 | Mostly Cloudy | SCT048 BKN300 | 83 | 61 | 48% | NA | 84 | 29.84 | 1010.0 | |||||
20 | 13:51 | SW 10 | 10.00 | Partly Cloudy | SCT046 SCT300 | 83 | 61 | 48% | NA | 84 | 29.85 | 1010.4 | |||||
20 | 12:51 | SW 15 | 10.00 | A Few Clouds | FEW042 FEW300 | 80 | 61 | 52% | NA | 81 | 29.86 | NA | |||||
20 | 11:51 | W 13 | 10.00 | A Few Clouds | FEW300 | 79 | 61 | 54% | NA | 80 | 29.87 | 1011.0 | |||||
20 | 10:51 | SW 8 G 17 | 10.00 | A Few Clouds | FEW250 | 77 | 60 | 56% | NA | 79 | 29.86 | 1010.8 | |||||
20 | 09:51 | SW 14 G 22 | 10.00 | Partly Cloudy | SCT250 | 73 | 58 | 59% | NA | NA | 29.87 | 1011.2 | |||||
20 | 08:51 | SW 16 G 22 | 10.00 | Partly Cloudy | SCT250 | 70 | 57 | 64% | NA | NA | 29.88 | 1011.5 | |||||
20 | 07:51 | SW 12 | 10.00 | Mostly Cloudy | BKN250 | 65 | 55 | 70% | NA | NA | 29.88 | 1011.6 | |||||
20 | 06:51 | SW 16 | 10.00 | Mostly Cloudy | FEW090 BKN250 | 64 | 53 | 65 | 62 | 68% | NA | NA | 29.89 | 1011.9 | |||
20 | 05:51 | S 13 | 10.00 | Mostly Cloudy | BKN090 BKN250 | 63 | 51 | 65% | NA | NA | 29.88 | 1011.5 | |||||
20 | 04:51 | S 15 | 10.00 | Mostly Cloudy | BKN090 | 62 | 49 | 62% | NA | NA | 29.88 | 1011.7 | |||||
20 | 03:51 | S 14 | 10.00 | Mostly Cloudy | BKN250 | 63 | 47 | 56% | NA | NA | 29.89 | 1011.9 | |||||
20 | 02:51 | S 14 G 22 | 10.00 | A Few Clouds | FEW250 | 63 | 46 | 54% | NA | NA | 29.89 | 1012.1 | |||||
20 | 01:51 | S 16 G 25 | 10.00 | Partly Cloudy | FEW050 SCT110 | 64 | 44 | 48% | NA | NA | 29.90 | 1012.2 | |||||
20 | 00:51 | S 18 G 23 | 10.00 | Overcast | SCT037 BKN049 OVC110 | 65 | 43 | 68 | 63 | 45% | NA | NA | 29.94 | 1013.5 |
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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