URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 234 AM EST TUE FEB 9 2010 DCZ001-MDZ003>007-009>011-013-014-VAZ042-053-054-WVZ053-091545- /O.CON.KLWX.WS.W.0007.100209T1700Z-100211T0000Z/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-LOUDOUN-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-JEFFERSON- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... LEESBURG...FAIRFAX...ALEXANDRIA...FALLS CHURCH...CHARLES TOWN 234 AM EST TUE FEB 9 2010 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EST WEDNESDAY. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...10 TO 20 INCHES. * TIMING...MID-AFTERNOON TODAY THROUGH WEDNESDAY. * TEMPERATURES...TEMPERATURES NEAR FREEZING AT THE ONSET TODAY AFTERNOON. TEMPERATURES WILL DROP INTO THE UPPER 20S TODAY NIGHT AND WEDNESDAY. * WINDS...LIGHT SOUTHEASTERLY WINDS TODAY BECOMING NORTHWESTERLY 15 TO 25 MPH WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THE COMBINATION OF SNOW AND STRONG WINDS WILL MAKE TRAVEL VERY HAZARDOUS.
N3OK's Weather Data LAST READING AT TIME: 4:00 AM DATE: February 09 2010, time of next update: 4:10 AM Current Weather Night time/Dry Current Temperature 20.9°F (-6.2°C), Apparent temp 16.8°F Maximum Temperature (since midnight) 24.3°F at: 12:00 AM Minimum Temperature (since midnight) 20.7°F at: 1:08 AM Average windspeed (ten minute) 0.0 mph Wind Direction (ten minute) NW (315°) Windchill Temperature 20.9°F Maximum Gust (last hour) 4.4 mph at: 3:03AM Maximum Gust (since midnight) 7.1 mph at: 1:38 AM Maximum 1 minute average (since midnight) 5.5 mph at: 1:35 AM Rainfall (last hour) 0.000 in. (0.0 mm) Rainfall (since midnight) 0.000 in. (0.0 mm) --- Rainfall This month 0.99 in. (25.1 mm) Rainfall To date this year 2.756 in. (70.0 mm) Maximum rain per minute (last hour) 0.000 in/min Maximum rain per hour (last 6 hours) 0.000 in/hour Yesterdays rainfall 0.000 in DewPoint 18.2°F (Wet Bulb :20.1°F ) Humidity 89 %, Humidex 14.3°F Barometer corrected to msl 30.168 in. (1021.6 hPa) Pressure change 0.00 in. (last hour) Trend (last hour) STEADY Pressure change (last 12 hours) +0.06 in Pressure change (last 6 hours) +0.01 in









Expires:201002092115;;673065 FPUS51 KLWX 090745 AAA ZFPLWX ZONE FORECAST PRODUCT...UPDATED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 245 AM EST TUE FEB 9 2010 MDZ004-092115- FREDERICK MD- INCLUDING THE CITIES OF...FREDERICK 245 AM EST TUE FEB 9 2010 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 7 PM EST WEDNESDAY... .OVERNIGHT...MOSTLY CLOUDY. COLD WITH LOWS AROUND 10 ABOVE. NORTHWEST WINDS AROUND 5 MPH. .TUESDAY...CLOUDY...SNOW...MAINLY IN THE AFTERNOON. SNOW ACCUMULATION AROUND AN INCH. HIGHS IN THE UPPER 20S. NORTH WINDS AROUND 5 MPH...BECOMING NORTHEAST IN THE AFTERNOON. CHANCE OF SNOW 80 PERCENT. .TUESDAY NIGHT...SNOW. SNOW MAY BE HEAVY AT TIMES AFTER MIDNIGHT. ADDITIONAL SNOW ACCUMULATION OF 4 TO 8 INCHES. LOWS IN THE MID 20S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF SNOW NEAR 100 PERCENT. .WEDNESDAY...SNOW. SNOW MAY BE HEAVY AT TIMES. TOTAL SNOW ACCUMULATION OF 10 TO 14 INCHES. BLUSTERY WITH HIGHS IN THE UPPER 20S. NORTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 40 MPH IN THE AFTERNOON. CHANCE OF SNOW NEAR 100 PERCENT. .WEDNESDAY NIGHT...MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING. BRISK WITH LOWS AROUND 20. NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF SNOW 30 PERCENT. .THURSDAY...PARTLY SUNNY AND BRISK. HIGHS IN THE MID 30S. .THURSDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 20. .FRIDAY...SUNNY. HIGHS IN THE MID 30S. .FRIDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 20. .SATURDAY...MOSTLY SUNNY. HIGHS IN THE LOWER 30S. .SATURDAY NIGHT...PARTLY CLOUDY. LOWS 15 TO 20. .SUNDAY...MOSTLY SUNNY. HIGHS IN THE MID 30S. .SUNDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 20. .PRESIDENTS DAY...MOSTLY SUNNY. HIGHS IN THE MID 30S. $$ Frederick, Frederick Municipal Airport, MD, United States (KFDK) 39-25-03N 077-22-28W Feb 09, 2010 - 02:43 AM EST / 2010.02.09 0743 UTC Wind: from the S (180 degrees) at 5 MPH (4 KT):0 Visibility: 10 mile(s):0 Sky conditions: partly cloudy Temperature: 21 F (-6 C) Windchill: 14 F (-10 C):1 Dew Point: 14 F (-10 C) Relative Humidity: 73% Pressure (altimeter): 30.2 in. Hg (1022 hPa) ob: KFDK 090743Z AUTO 18004KT 10SM SCT090 M06/M10 A3020 RMK AO2 cycle: 7
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