CARROLL CO.  -  Frost Advisory Frost Advisory        FREDERICK CO.  -  Frost Advisory Frost Advisory        HARFORD CO.  -  Frost Advisory Frost Advisory        HOWARD CO.  -  Frost Advisory Frost Advisory        MONTGOMERY CO.  -  Frost Advisory Frost Advisory        NO.BALT.CO.  -  Frost Advisory Frost Advisory        SO.BALT.CO.  -  Frost Advisory Frost Advisory      
MDmap National Alerts United States Radar Relay Webcam
Mid Atlantic Radar Baltimore Radar

Updated: @ 17-Apr-2014 10:51pm - next update at 12:00am  
Summary/Temperature Wind Rain Outlook


Night time, Dry
Night time, Dry
Currently 40.9F, Max: 50.4F, Min: 34.2F 40.9°F
Colder 1°F than last hour.

---

Feels like: 41°F

24-hr difference
1.4°FWarmer 1.4°F than yesterday at this time.
RELAY HIGH LOW
Today: 50.4°F
3:24pm
34.2°F
6:24am
Yesterday: 46.5°F
5:40pm
30.2°F
6:32am
NWS
Normal:
Record:
Year:
HIGH
65.0°F
93.0°F
2002
LOW
43.0°F
26.0°F
1962
 Wind from SE SE
3.1

Gust:
1.0 mph

Max Gust: 23.2 1:28pm
Gust Month:   34.5   Apr 8
Rain Today: 0.00 in
Rain Yesterday: 0.000 in
Storm Rain Total: 0.00 in
April Total: 1.821 in
MTD Departure: + 0.02 in
Year Total: 10.073 in
YTD Departure: + 0.52 in
6 rain days in April
Friday

Morning Frost
Morning
Frost
Barometer Humidity Air Quality
Current: 30.565 inHg Rising 0.004 °F/hr
1-Hr Trend: Steady  
3-Hr Trend: Rising slowly 
High: 30.645  | Low: 30.516
Humidity: 75 % Increased 2% since last hour.
Humidex: 37.4°F
Dew Point: 33.6°F Decreased 0.4°F since last hour.
Wetbulb: 38.0°F
Current AQI

45


  Good
UV Index Forecast 7-Day Averages
18 Apr 2014     6.7
19 Apr 2014     6.7
20 Apr 2014     6.8
Temperature: 57.0 °F
Humidity: 62.7 %
Barometer: 30.082 inHg
Wind Chill Heating Degree Days Sun
Current: 40.9F°F
Today: 25.8 F°F  9:59pm
Yesterday: 6.5 F
Last Week: 7.3 °F
Record: -38.2°F   07-Jan-2014
Today: 24.0
April: 202.8
2014 to Date: 3068.3
Cooling Degree Days
2014 to Date: 4.9
Daylight:
graph
55.7% 44.3% 13:22:00 min.
+00:02:25 Minutes
+03:50 since Dec 21
Fire Risk Trends Balt. Harbor Tides Clouds
Chandler Burning Index
Chandler Burning Index: LOW
CBI= 0.7
Fire Indicators
Fire Weather Index: 0.5 low
Build Up Index: 6.6 low
Initial Spread Index: 1.0 low
Duff Moisture Code: 5.5 low
Drought Code: 20.3 low
Temp Last Hr: -1.1°F Colder 1°F than last hour.
Hum. Last Hr: +2% Increased 2% since last hour.
Dew Last Hr: -0.4°F Decreased 0.4°F since last hour.
Baro Last Hr: +0.004 inHg Increased 0.006 inHg since last hour.
   
Climate Change Trend

     
Current 12 Month Temperature Trend
-2.25°F
Thu 17 April
Low Tide: 02:35 0.2 ft
High Tide: 08:53 1.9 ft
Low Tide: 16:15 0.2 ft
High Tide: 21:23 1.2 ft

4 hrs, 19 min. to low tide
Time Till Tide
Current Cloud Height
NWS Weather Forecast  -  Overnight's and Friday's Outlook
Overnight

Areas Frost
Areas
Frost

Lo 36 °F
NWS forecast: Areas of frost after 2am. Otherwise, mostly cloudy, with a low around 36. East wind around 7 mph.
  Friday

Morning Frost
Morning
Frost

Hi 58 °F
NWS forecast: Areas of frost before 8am. Otherwise, mostly cloudy, with a high near 58. Light and variable wind becoming northeast around 6 mph in the morning.
NWS 4 Day Weather Forecast - Last Update: 9:45 pm EDT Apr 17, 2014
Friday
Night

Mostly Cloudy
Mostly
Cloudy
Saturday

Mostly Sunny
Mostly
Sunny
Saturday
Night

Mostly Clear
Mostly
Clear
Sunday

Sunny
Sunny
Sunday
Night

Partly Cloudy
Partly
Cloudy
Monday

Partly Sunny
Partly
Sunny
Monday
Night

Mostly Cloudy
Mostly
Cloudy
Lo 41 °FHi 65 °F Lo 40 °FHi 64 °F Lo 42 °FHi 70 °F Lo 50 °F
Today's Temperature Facts
Todays high of 50° at 15:24 missed the record high of 93° set in 2002 by 43 degrees for Relay Weather Station
Todays low of 34° at 06:24 missed the record low of 26° set in 1962 by 8 degrees for Relay Weather Station
Today in Weather History

Weather History for April 17
 
1965
The Mississippi River reached a flood crest at Saint Paul MN four feet higher than any previous mark. During the next two weeks record levels were reached along the Mississippi between Saint Paul and Hannibal MO. Flooding caused more than 100 million dollars damage, but timely warnings kept the death toll down to just twelve persons. (David Ludlum)

1987
Twenty-two cities in the central U.S. reported new record high temperatures for the date. Temperatures warmed into the 70s and 80s from the High Plains Region to the Mississippi Valley, with readings in the low 90s reported in the Southern Plains Region. Tulsa OK hit 92 degrees. (The National Weather Summary)

 
[ More ]
   No.Balt.Co. - Frost Advisory    So.Balt.Co. - Frost Advisory    Carroll Co. - Frost Advisory    Howard Co. - Frost Advisory    Frederick Co. - Frost Advisory    Montgomery Co. - Frost Advisory    Harford Co. - Frost Advisory A.Arudel Co. P.Georges Co.