Early Spring Heat Records March On; Outnumber Cold Records by Over 5 to 1

For related record temperature posts, see:

• Record Heat
• Record Cold

There will probably be a few stragglers yet to report, but the National Climatic Data Center figures show that daily high temperature records in the U.S. during March were over 5 times as numerous as low temperature records. The ratio of 5.30 to 1 exceeded even the massive 5.22 last September and was the highest since 6.07 in April 2010.

Every month in the last 13, except December, has now had more heat records than cold records. The cumulative ratio since January 2010 is 2.07. Thanks to the near-parity of records in January and February, the ratio for 2011 to date is only 1.47, but that is well ahead of the pace through the first quarter of last year.

Preliminary data through March 30 from NOAA show that the month was above average over much of the U.S., with the exception of the Pacific Northwest and the Northern Plains.

Images (click to enlarge):

• Monthly total number of daily high temperature, low temperature, and high minimum temperature records set in the U.S. for October 2010 through March 2011, data from NOAA National Climatic Data Center, background image © Kevin Ambrose (www.weatherbook.com). Includes historical daily observations archived in NCDC's Cooperative Summary of the Day data set and preliminary reports from Cooperative Observers and First Order National Weather Service stations. All stations have a Period of Record of at least 30 years.
• Cumulative excess of heat records vs. cold records by month for 2010 and 2011 to date, data source as above
• Preliminary March 2011 monthly temperature departure from climatological average from NOAA/NCEP via ESRL

Near-Record April Fool's Snowfall Forecast Update: Bangor Sets Record

Images (click to enlarge): Snowfall forecast for April 1 from The Weather Channel; Daily snowfall ending 8 am EDT, April 2, from National Weather Service/NOAA

April 2 Update: The final total of 14.4" at Bangor exceeded the April daily record (see list below) by 4". Other updated totals:

Gray ME     10.3"
Caribou ME   7.5"  

The Lewiston Sun-Journal reported these additional amounts:

Hope     13.5"
Raymond  11"
Oxford   11"
Lewiston 10.3"
Turner    9"
Auburn    8"    

6 PM Update: The preliminary snowfall total of 10.5" at Bangor exceeds the daily record of 8.5" in 1993 and is also a new all-time daily record for April; the old record was 10.4" on 4/13/1962.

Other daily totals:

Concord NH      4.9"           
Portland ME     5.9"
Gray ME         9.6"
Caribou ME      1.3"
Hartford CT     1.3"          
Boston MA       0.9"     
Worcester MA    3.8"      

April 1, 1 PM update: Snowfall amounts appear to be on track with the forecast in Maine and New Hampshire, with 6"-8" reported by late morning. The National Weather Service reports:

STORM TOTAL SNOW AMOUNTS STILL LOOK ON TRACK TO REACH FORECAST  
LEVELS. REPORTS SO FAR HAVE INDICATED 6 TO 8 INCHES HAS FALLEN IN  
SOUTHEAST NEW HAMPSHIRE AND SOUTHWEST MAINE. LOCATIONS ALONG THE  
MIDCOAST AND FROM LEWISTON TO AUGUSTA MAY BE THE BIG WINNERS FROM  
THIS STORM AS HEAVY SNOW CONTINUES FOR ANOTHER COUPLE OF HOURS  
THERE. TOTAL AMOUNTS IN EXCESS OF 12 INCHES ARE POSSIBLE.  
  
BIGGEST THREAT FROM THIS HEAVY WET SNOW IS THE SLUSHY ACCUMULATION  
ON ROADWAYS THAT IS VERY SLICK FOR DRIVING. HAVE HAD REPORTS OF  
MANY ACCIDENTS THIS MORNING. ALSO HAVE SEEN ACCUMULATIONS ON TREES  
LEADING TO LIMBS SNAPPING AND CAUSING POWER OUTAGES. 

Original post:
With widespread snowfall amounts of 8"-12" forecast for interior northern New England, some April snow records may be exceeded. Here are some top 10 April 1-day snowfalls for New Hampshire and Maine from NOAA:

Concord NH
Years: 1903-2011
Rank  Value  Ending Date
  1    15.0  4/13/1933
  2    13.3  4/6/1982
  3     8.6  4/10/1996
  4     8.4  4/4/2003
  5     8.3  4/8/1931
  6     6.8  4/8/1956
  7     6.6  4/12/1918
  8     6.2  4/9/1907
  9     5.7  4/1/1993
 10     5.6  4/7/1971

Berlin NH
Years: 1886-2011
Rank  Value  Ending Date
  1    14.0  4/13/1933
  2    13.0  4/4/1975
  3    11.0  4/7/1982
  4    10.0  4/29/1987
  5     9.0  4/5/2007, 4/2/1987
  7     8.5  4/1/1922
  8     8.0  4/28/2010, 4/11/1996, 4/10/1974

Portland ME
Years: 1871-2011
Rank  Value  Ending Date
  1    15.0  4/10/1906
  2    14.0  4/6/1982
  3    12.5  4/2/1887
  4    11.4  4/13/1933
  5    11.1  4/1/1922
  6    10.6  4/1/1993
  7     8.7  4/7/1971
  8     8.0  4/16/1904
  9     7.6  4/2/1924
 10     7.5  4/19/1925

Augusta ME
Years: 1948-2009
Rank  Value  Ending Date
  1    10.7  4/10/1996
  2     9.0  4/6/1982, 4/3/1975
  4     6.7  4/16/1988
  5     6.6  4/1/1985, 4/13/1972
  7     6.2  4/29/1958, 4/9/1957
  9     6.0  4/25/1962, 4/13/1962

Bangor ME
Years: 1926-2011
Rank  Value  Ending Date
  1    10.4  4/13/1962
  2    10.0  4/3/1975
  3     9.4  4/7/1982
  4     9.0  4/5/2007
  5     8.5  4/1/1993
  6     8.3  4/9/1957
  7     7.4  4/3/1964
  8     6.2  4/1/1985
  9     6.0  4/4/2007, 4/9/1938

Caribou ME
Years: 1939-2011
Rank  Value  Ending Date
  1    21.1  4/7/1982
  2    10.3  4/13/2007
  3     9.9  4/5/2007
  4     9.6  4/5/1973
  5     8.2  4/2/1970
  6     7.6  4/10/1973
  7     7.4  4/10/1996
  8     7.2  4/11/1961
  9     7.0  4/11/1990
 10     6.4  4/18/1953 

Minneapolis Snowfall Update: Sixth Fifth Snowiest Season

March 24 Update: The 84.7" Minneapolis seasonal snowfall to date is confirmed.

Midnight CDT Update: An unofficially final amount of 4.1" for March 23 leaves the Minneapolis seasonal snowfall total at 84.7", still in 5th place, but just 0.2" behind 1916-17.

5 PM CDT Update: Snow ended at 4:08 pm with only a trace of precipitation since 1:00, so the total of 84.6" is likely to hold.

3 PM CDT Update: An additional 1" which had apparently been recorded earlier raises the total to 84.6", putting the seasonal snowfall in 5th place if confirmed. Further accumulation of up to 1" is forecast through 7 pm. An amount of 0.4" or more would be enough to reach 4th place.

Original post:
Minneapolis is reporting 3" of snow in the last 6 hours as of 1 pm CDT. Combined with the 0.4" reported yesterday, this brings the seasonal total unofficially to 83.6". That amount would put this season in 6th place, behind the 1991-1992 amount of 84.1". Light snow is continuing, although visibility has increased substantially during the past hour.

Sunday's Strong Spring Storm Soaks SoCal; All-Time Daily Rainfall Record at Santa Barbara

Image (click to enlarge): California 24-hour precipitation ending 5 am PDT, March 21, 2011, from National Weather Service

March 21, 8 AM PDT Update: The National Weather Service reports that numerous daily rainfall records were broken by wide margins. In addition, it was the:

• Wettest all-time calendar day at Santa Barbara
• Second wettest all-time and wettest for the month of March at Camarillo
• Wettest March day at Palmdale
• Second wettest March day at Sandberg
• Third wettest March day at Los Angeles Airport

From the National Weather Service:

STATION                   RAINFALL ON        PREVIOUS      YEAR 
                        MARCH 20 2011        RECORD 
                        -------------       --------      ---- 

DOWNTOWN LOS ANGELES       2.42 INCHES      1.48 INCHES    1943   
LOS ANGELES AIRPORT        2.36 INCHES      1.04 INCHES    1992  
BURBANK AIRPORT            3.85 INCHES      1.15 INCHES    1973                
PALMDALE AIRPORT           1.29 INCHES      0.50 INCHES    1973  
LANCASTER AIRPORT          1.48 INCHES      0.74 INCHES    1992 
SANDBERG                   3.29 INCHES      1.33 INCHES    1992 
SANTA BARBARA AIRPORT      5.23 INCHES      0.90 INCHES    1991 
CAMARILLO AIRPORT          4.91 INCHES      2.26 INCHES    1954  
OXNARD NWS                 4.21 INCHES      2.26 INCHES    1954                  
SANTA MARIA AIRPORT        3.46 INCHES      0.74 INCHES    1958    
PASO ROBLES AIRPORT        2.02 INCHES      0.77 INCHES    1992 

AT SANTA BARBARA AIRPORT...YESTERDAY WAS THE WETTEST CALENDAR DAY ON 
RECORD...AS THE 5.23 INCHES OF RAIN WHICH FELL EXCEEDED THE PREVIOUS 
RECORD OF 4.74 INCHES RECORDED ON MARCH 15TH 2003. 

AT CAMARILLO AIRPORT...YESTERDAY WAS THE WETTEST CALENDAR DAY ON  
RECORD FOR THE MONTH OF MARCH...WITH 4.91 INCHES OF RAIN. THE PREVIOUS 
RECORD WAS MARCH 8TH 1968...WHEN 4.60 INCHES OF RAIN FELL. IT WAS THE 
2ND WETTEST CALENDAR DAY EVER AT CAMARILLO AIRPORT...FOLLOWING 
JANUARY 26TH 1956...WHEN 5.96 INCHES OF RAIN WAS REPORTED.  

AT PALMDALE AIRPORT...YESTERDAY WAS THE WETTEST MARCH DAY EVER  
RECORDED. THE PREVIOUS RECORD WAS 1.20 INCHES...SET MARCH 7TH 1952.  

AT SANDBERG...IT WAS THE 2ND WETTEST CALENDAR DAY EVER FOR THE 
MONTH OF MARCH. THE WETTEST MARCH DAY IN SANDBERG WAS MARCH 28TH 
1993...WHEN 3.38 INCHES OF RAIN WAS REPORTED.  

AT LOS ANGELES AIRPORT...YESTERDAY WAS THE 3RD WETTEST MARCH DAY 
ON RECORD...BEHIND MARCH 7TH 1968 ON WHICH 3.10 INCHES OF RAIN  
FELL...AND MARCH 1ST 1983 ON WHICH 2.55 INCHES OF RAIN FELL.  

In the San Diego area, the 1.09" at Fullerton broke the record of 0.95" set in 1954.

To the north, in the San Joaquin Valley, records were also widespread:

THE STORM SYSTEM THAT DRENCHED THE CENTRAL CALIFORNIA INTERIOR  
ON SUNDAY PRODUCED 1.82 INCHES OF RAIN AT THE FRESNO YOSEMITE  
INTERNATIONAL AIRPORT. THIS SHATTERED THE PREVIOUS RECORD OF  
1.22 INCHES FOR THE DATE THAT WAS ESTABLISHED MORE THAN A  
HUNDRED YEARS AGO IN 1893.  
  
AT MEADOWS FIELD AIRPORT IN BAKERSFIELD...RAINFALL TOTALED  
0.89 INCHES SUNDAY. THIS BREAKS THE PREVIOUS RECORD FOR MARCH  
20TH OF 0.87 INCHES WHICH OCCURRED IN 1973.  
  
OTHER 24-HOUR RAINFALL RECORDS IN THE SAN JOAQUIN VALLEY FOR  
MARCH 20TH INCLUDE 1.63 INCHES AT THE MERCED MUNICIPAL AIRPORT...  
1.27 INCHES IN HANFORD...AND 1.41 INCHES IN MADERA.    

In the San Francisco Bay area, Salinas set a new record of 0.97", doubling the old record of 0.48" in 2006. Salinas climate records began in 1930.

Original post:
The strong Pacific storm pounding Southern California on Sunday is setting at least one all-time rainfall record. The Weather Channel twitches that the all-time daily rainfall record at Santa Barbara Municipal Airport (KSBA) is 4.74" on 3/15/2003. The 4.59" reported through 6 pm local time has been augmented by 4 more consecutive hours of rainfall, resulting in an unofficial total through 10 pm of 5.24". This not only smashes the all-time record by half an inch, but it's also nearly 6 times the old March 20 daily record of 0.90" in 1991.

Normal precipitation for the entire month of March in Santa Barbara is 3.59"; climate records began in 1941.

Both Los Angeles airport (KLAX) and downtown (KCQT) had set daily records by 6 pm. The airport has received at least half an inch of additional rainfall since that time, and downtown has added about 0.8".

Update to be posted when final amounts are available.

European Summer of 2010: Hottest in 500 Years

A statistical study of the extreme European heat wave in the summer of 2010, published in today's issue of Science, indicates that it was the hottest European summer in at least 500 years. AAAS, the publisher of Science, reports:

To put the 2010 heat wave in perspective, the researchers compared it with other temperature anomalies reaching back to 1871, in terms of length, spatial extent and temperature. They say that at least two summers in this decade—2003 and 2010—have most likely been the warmest of the last 510 years in Europe.

"During the 2001-2010 decade, 500-year long records were broken over approximately 65% of Europe, including eastern Europe, southwestern-central Europe, the Balkans and Turkey," they report.

The chart above shows a statistical distribution of the European summer temperature departures from the 1970-1999 base period. Each year from 1500 to 2010 is shown as a vertical line, with the 5 coldest and 5 warmest summers highlighted and labeled. The gray line shows the frequency distribution from 1500 through 2002, with a Gaussian (random) distribution fitted to the data in black. The lower chart shows the distribution of extreme summers (95th percentile or higher) per decade. Note the huge spike upward for decades ending in the current century.

Former NOAA Administrator: "Bleak Assessment"

Former NOAA Administrator D. James Baker wrote the following letter published in the March 7 issue of The New Yorker:

Hendrik Hertzberg’s bleak assessment of American climate policy is on the mark, and should be viewed in the context of an even bleaker global scene, in which China and India will continue their rapid economic growth and accompanying emissions (Comment, February 7th). History shows that changes in energy-capital infrastructure take decades; barring a technical miracle, the concentration of greenhouse gases will likely double or triple by the end of the century, bringing a new and inhospitable planet Earth, rife with extreme weather and other climate disruptions. We should do everything we can to produce green and carbon-free economies while at the same time recognizing that there must be a major effort to adapt to this new Earth. It can be done, but it won’t be easy. The ineffective response to Hurricane Katrina shows that even the most developed countries are unable to respond well to extremes of weather. If that is the best we can do, we have much to learn about how to be prepared for the new climate.

Baker was NOAA Administrator from May 1993 to January 2001. According to his biography (scroll down):

Dr. Baker received his B.S. from Stanford University, and holds a PhD in experimental physics from Cornell University. He has held faculty positions at numerous prestigious research universities, and is the founding President of the Oceanography Society. Author of Planet Earth: The View from Space, Dr. Baker has written more than 100 articles on climate, oceanography, space technology, natural resource management and sustainable development.

Record Moisture Fuels Massive Northeast Snowfall; Update: Precipitation Records Smashed from DC to New England

6 PM Update: The 1.17" of precipitation at Burlington today exceeded the old record of 0.91" in 1922 by 30%. Burlington climate records began in 1884. The 1.09" which fell yesterday was only slightly short of the record 1.17" set in 1920.

Although Concord, New Hampshire had only a trace of snow, the precipitation of 1.50" broke by almost 50% the old record for March 7 of 1.03" set in 1926. Concord climate records date back to 1871.

Portland, Maine also had a trace of snow, but the 2.09" of precipitation beat the old record of 1.56" set in 1923.

Hartford's 1.50" broke the old record of 1.39" set in 1967; records began 1904. Hartford also had 2.22" the previous day; the record is 2.48" in 1979.

Watertown, New York set a record of 0.92" on Saturday (March 5).

Buffalo also set a record on the 5th with 1.33", drowning the old record of 0.79 set in 1996; records began in 1871.

The 1.73" at Avoca, Pennsylvania yesterday was almost 60% above the old record of 1.13" in 1916; records began in 1901.

Binghamton, New York set a record yesterday with 1.25", nearly doubling the old record of 0.69" in 1956.

Islip, New York set a record of 0.79", beating the old record of 0.64" in 1989. However, Islip records only began in 1986.

The 1.82" at Allentown, Pennsylvania broke the old record of 1.60" set in 1967; records began in 1922.

Mt. Pocono, Pennsylvania set a new record with 2.50", nearly an inch above the old record of 1.59" from 1943; records began in 1901.

Williamsport, Pennsylvania's 1.78" broke the old record of 1.30" in 1959; records began in 1895.

The 2.27" at Harrisburg significantly beat the the old record of 1.40" in 1932; records began in 1888.

Trenton, New Jersey set a new record in a climate history dating back almost a century and a half (since 1865) : 1.77" beat the 1.41" in 1943.

The 2.30" at Washington Dulles more than doubled the old record of 1.12" in 1967, although records only began in 1962.

Blacksburg, Virginia had 1.50", which broke the record of 0.88" in 1959; records began in 1952.

Storm total snowfalls below have been updated through 6 pm, EST.

Original post:
Fed by record-setting moisture amounts, snowfall in northeastern New York and Vermont has ranged up to 30" since Sunday. The daily precipitation of 1.87" at Montpelier was almost triple the old record of 0.68" in 1963.

Here are some double-digit snowfall amounts from the National Weather Service:

********************STORM TOTAL SNOWFALL********************  
  
LOCATION          STORM TOTAL     TIME/DATE   COMMENTS                     
                     SNOWFALL           OF   
                     /INCHES/   MEASUREMENT  
  
NEW YORK  
   
..CLINTON COUNTY  
  
   PLATTSBURGH           22.0  1100 AM  3/07  CHANNEL 5                 
   MORRISONVILLE         22.0  1100 AM  3/07  PUBLIC                    
   
..ESSEX COUNTY  
  
   WESTPORT              27.0   930 AM  3/07  SPOTTER                   
   3 N WESTPORT          27.0   911 AM  3/07                            
   1 N LAKE PLACID       23.0   440 PM  3/07  COCORAHS OBSERVER         
   MORIAH                22.5   909 AM  3/07                            
   
..FRANKLIN COUNTY  
  
   TUPPER LAKE           29.0   909 AM  3/07  SPOTTER                   
   SARANAC LAKE          29.0  1115 AM  3/07  PUBLIC                    
   CHASM FALLS           26.4  1112 AM  3/07  PUBLIC                    
   WHIPPLEVILLE          17.4  1134 AM  3/07  SPOTTER                   
  
VERMONT  
   
..ADDISON COUNTY  
  
   BRIDPORT              24.0   100 PM  3/07  SPOTTER                   
   SALISBURY             23.8   541 PM  3/07  PUBLIC                    
   1 WNW ORWELL          23.0   200 PM  3/07  COCORAHS OBSERVER         
   CORNWALL              22.0  1030 AM  3/07  SPOTTER                   
   
..CALEDONIA COUNTY  
  
   LYNDONVILLE           21.0  1215 PM  3/07  LYNDON STATE              
   2 SW SUTTON           19.5  1220 PM  3/07  COOP                      
   ST. JOHNSBURY         17.8  1200 PM  3/07  FAIRBANKS MUSEUM          
   
..CHITTENDEN COUNTY  
  
   JERICHO               30.0  1136 AM  3/07  TOWN HIGHWAY              
   1 ENE NORTH UNDERHIL  26.9   400 PM  3/07  NWS EMPLOYEE              
   2 NW WESTFORD         26.0   330 PM  3/07  NWS EMPLOYEE              
   HINESBURG             24.5   400 PM  3/07  PUBLIC                    
   1 NE SOUTH BURLINGTO  24.3   350 PM  3/07  NWS OFFICE                
   JERICHO CENTER        23.5  1019 AM  3/07  GENERAL PUBLIC            
   1 ESE NASHVILLE       21.6   110 PM  3/07  NWS EMPLOYEE              
   
..FRANKLIN COUNTY  
  
   HIGHGATE CENTER       22.5   400 PM  3/07  PUBLIC                    
   SWANTON               22.2   400 PM  3/07  PUBLIC                    
   
..LAMOILLE COUNTY  
  
   1 ESE PLEASANT VALLE  30.0   400 PM  3/07  SPOTTER                   
   MORRISVILLE           27.5   458 PM  3/07  PUBLIC                    
   STOWE                 27.0  1245 PM  3/07  PUBLIC                    
   3 SSE JEFFERSONVILLE  24.0   542 PM  3/07  COOP OBSERVER             
   2 ESE NORTH HYDE PAR  24.0   531 PM  3/07  COOP                      
   2 S EDEN              22.0   100 PM  3/07  COOP OBSERVER             
   8 NW STOWE            16.0   600 PM  3/07  MOUNT MANSFIELD COOP      
   
..ORLEANS COUNTY  
  
   1 NE NEWPORT          29.0   430 PM  3/07  COOP OBSERVER             
   2 WNW STANNARD        18.7   500 PM  3/07  SPOTTER                   
   
..WASHINGTON COUNTY  
  
   2 NNE WATERBURY CENT  25.5   435 PM  3/07  SPOTTER                   
   1 NW EAST WARREN      22.0   500 PM  3/07                            
   MORETOWN              19.0  1020 AM  3/07  SPOTTER                   
   4 ESE MARSHFIELD      18.5   150 PM  3/07  SPOTTER                   
   CABOT                 15.0  1230 PM  3/07  PUBLIC                    
   EAST CALAIS           10.5   929 AM  3/07  GENERAL PUBLIC