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Have There Been More Hurricanes In Recent Years Because of Technology?

     Have there been more hurricanes in recent years? Is that from climate change? Or is it just an advancement of technology? The National Hurricane Center's Christopher W. Landsea, Chief of the Tropical Analysis and Forecast Branch, and Eric Blake, a Senior Hurricane Specialist, studied this topic in a recent article of theirs. About 15 years ago, scientists and researchers found that the number of hurricanes had increased over the past hundred years. But interestingly, during the 1940s and 1950s, there was an increase in short-lived or low-impact storms. At the same time, there were more aircraft over the oceans and the Hurricane Hunters began missions looking for hurricanes.  Last year, nearly 42 trillion dollars of damage were caused by tropical cyclones. This included a record-breaking 13 in the U.S., six of which were in Louisiana. Down in Central America, trillions of dollars in damage was delivered by destructive hurricanes such as Hurricane Iota .  O...
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Snowfall Totals From Event 12/16-17

Here are the snowfall totals from yesterday's snowfall.

In Baltimore, 3-4 inches were measured. In Central Maryland, 5-8 inches was reported. 

Out in Western Maryland, 6 to 10 inches of snow fell, with only 1-3 inches in the DC area. 

No snow fell along and east of the bay. 

Below is the raw data of observations. 
Jump to ice totals


LOCATION                TOTAL      TIME/DATE  COMMENTS               
                     SNOWFALL       MEASURED
                     (inches)               

MARYLAND

...Allegany County...
  Frostburg 1 NW         11.2   645 PM 12/16  Trained Spotter        
  Ridgeley 1 NW          10.0   743 AM 12/17  Trained Spotter        
  Ridgeley 1 W           10.0   400 AM 12/17  Trained Spotter        
  Frostburg 2 ENE         8.0  1114 AM 12/17  Trained Spotter        
  Frostburg 2 ESE         8.0   747 PM 12/16  Trained Spotter        
  Cresaptown  SSW         7.1   950 PM 12/16  Trained Spotter        
  Cumberland 1 SSE        7.0   720 AM 12/17  Trained Spotter        

...Anne Arundel County...
  Bwi Airport             1.6   700 PM 12/16  Airport                
  Churchton  ENE            T  1155 PM 12/16  Trained Spotter        

...Baltimore County...
  Bentley Springs 1 E     8.5   615 AM 12/17  Trained Spotter        
  Glyndon 1 WSW           6.2  1100 AM 12/17  Trained Spotter        
  Parkton 1 W             5.8   440 PM 12/16  Trained Spotter        
  Long Green 2 NW         3.8   800 AM 12/17  Trained Spotter        
  White Marsh 2 E         0.3  1116 PM 12/16  Trained Spotter        

...Baltimore City...
  Pimlico  SE             3.8   600 AM 12/17  Trained Spotter        
  Pikesville 2 SE         3.7  1015 PM 12/16  CoCoRaHS               

...Carroll County...
  Manchester 1 SSW        9.0   820 AM 12/17  Trained Spotter        
  Taneytown  NE           8.2   900 AM 12/17  Trained Spotter        
  Millers 4 NE            8.0   411 AM 12/17  Co-Op Observer         
  Manchester 2 NW         6.0   447 PM 12/16  Trained Spotter        
  Gamber 1 WNW            5.6   830 AM 12/17  CoCoRaHS               
  Westminster  SE         5.6   700 AM 12/17  Trained Spotter        
  Eldersburg 1 SE         5.3   700 AM 12/17  Trained Spotter        

...Cecil County...
  Rock Springs 1 ESE      3.5   500 PM 12/16  Trained Spotter        
  Woodlawn 2 E            1.0   500 PM 12/16  Trained Spotter        

...Frederick County...
  Sabillasville 1 NNW    12.1  1159 PM 12/16  CoCoRaHS               
  Sabillasville 2 SSE    12.0   800 AM 12/17  Trained Spotter        
  Bloomfield 2 WSW        9.4   700 AM 12/17  NWS Employee           
  Thurmont 3 N            8.1   700 AM 12/17  NWS Employee           
  New Market  N           6.5   700 AM 12/17  Trained Spotter        
  Frederick 1 W           6.2   800 AM 12/17  Trained Spotter        
  Adamstown 1 ESE         6.1   646 AM 12/17  Trained Spotter        

...Garrett County...
  McHenry 1 S            10.2  1000 AM 12/17  Trained Spotter        
  Deer Park 6 NE          8.5   700 AM 12/17  Trained Spotter        
  Deer Park 1 WSW         7.0   740 PM 12/16  Trained Spotter        

...Harford County...
  Whiteford               6.0  1137 PM 12/16  Trained Spotter        

...Howard County...
  Dayton                  4.0   452 PM 12/16  Broadcast Media        
  Glenelg 2 N             4.0   550 PM 12/16  Trained Spotter        
  Elkridge 2 W            3.3   730 AM 12/17  Trained Spotter        

...Montgomery County...
  Clarksburg 1 SSE        4.5  1200 AM 12/17  Trained Spotter        
  Damascus 1 SE           3.4   700 AM 12/17  Trained Spotter        
  Germantown 2 WSW        3.2   100 AM 12/17  Trained Spotter        
  Rockville 3 NNW         2.5   800 AM 12/17  NWS Employee           
  Somerset 1 ENE          1.7   700 AM 12/17  County Emrg Mgmt       
  Garrett Park 2 NW       1.5  1159 PM 12/16  Trained Spotter        

...Washington County...
  Fairplay 3 ENE          9.4   700 AM 12/17  Trained Spotter        
  Boonsboro 3 NNE         9.2   300 AM 12/17  Trained Spotter        
  Long Meadow 2 W         8.3   745 AM 12/17  Trained Spotter        
  Long Meadow 1 SSE       8.0   800 AM 12/17  Trained Spotter        
  Pecktonville 3 NNW      7.0   730 AM 12/17  Other Federal          
  Smith Island 5460 E     6.0   700 AM 12/17  Trained Spotter        
  Hancock                 5.8  1045 PM 12/16  Trained Spotter        


These observations are from trained spotters, cocohars members, and other volunteers. These are not official observations. 

Data is current as of 5:15pm Thursday, December 17 2020.

This snowfall is double what Baltimore got in the entire winter last year. Only 1.8 inches of snow fell in the winter of 2019-2020.

Below are snapshots of the observations. Top-bottom: Zoomed out view of the region; Baltimore area; Central/west-central Maryland; far western Maryland. 

ICE TOTALS
Most places from DC to the Mason Dixon Line, between I-95 and I-81, got 0.1 to 0.2 inches of ice. 

Here is the data:
LOCATION                TOTAL      TIME/DATE  COMMENTS               
                          ICE       MEASURED
                     (inches)               

MARYLAND

...Anne Arundel County...
  Churchton  ENE            T  1155 PM 12/16  Trained Spotter        

...Baltimore County...
  Long Green 4 N         0.35   930 AM 12/17  Trained Spotter        
  Glyndon 1 WSW          0.20  1100 AM 12/17  Trained Spotter        
  Parkton  SSW           0.10   530 PM 12/16  Trained Spotter        
  Long Green 2 NW        0.06   800 AM 12/17  Trained Spotter        

...Frederick County...
  Frederick 1 W          0.20   800 AM 12/17  Trained Spotter        
  Adamstown 1 ESE        0.18   908 PM 12/16  Trained Spotter        
  Thurmont 3 N           0.10   700 AM 12/17  NWS Employee           

...Harford County...
  Whiteford              0.20  1137 PM 12/16  Trained Spotter        
  Forest Hill 3 SW       0.17   840 PM 12/16  Trained Spotter        

...Montgomery County...
  Garrett Park 2 NW      0.14  1159 PM 12/16  Trained Spotter        
  Poolesville            0.10   829 PM 12/16  Trained Spotter        
  Damascus 1 SE          0.10   700 AM 12/17  Trained Spotter        
  Germantown 2 WSW       0.10   100 AM 12/17  Trained Spotter        
  Damascus 1 S           0.09   801 AM 12/17  Trained Spotter        

...Washington County...
  Fairplay 3 ENE         0.25   730 PM 12/16  Trained Spotter        
  Boonsboro 3 NNE        0.10   300 AM 12/17  Trained Spotter        
 
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