Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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CXUS51 KBUF 040243
CLMBUF

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
556 PM EDT WED MAY 1 2019

...................................

...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/28/1990
 LOW                5   04/01/1923
HIGHEST            76   04/18                         74  04/23
LOWEST             22   04/01                         23  04/07
AVG. MAXIMUM     53.3              55.0    -1.7     46.9
AVG. MINIMUM     36.3              36.8    -0.5     31.4
MEAN             44.8              45.9    -1.1     39.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.5    -0.5        1
DAYS MIN <= 32      8               8.5    -0.5       20
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.38   2017
 MINIMUM         0.59   1915
TOTALS           3.07              3.01    0.06     3.99
DAYS >= .01        16                                 18
DAYS >= .10         7                                 10
DAYS >= .50         3                                  3
DAYS >= 1.00        0                                  1
GREATEST
 24 HR. TOTAL    0.67   04/14 TO 04/14

SNOWFALL (INCHES)
RECORDS
 TOTAL           15.7   1885
TOTALS            0.5               2.7    -2.2      6.9
SINCE 7/1       118.8              94.4    24.4
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.8    -0.8        2
GREATEST
 SNOW DEPTH         2   04/01                          1  04/19
                                                          04/18
                                                          04/17
 24 HR TOTAL      0.4   04/01 TO 04/01

DEGREE_DAYS
HEATING TOTAL     596               576      20      768
 SINCE 7/1       6376              6281      95     6312
COOLING TOTAL       0                 3      -3        0
 SINCE 1/1          0                 3      -3        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    36/260    DATE  04/03
HIGHEST GUST SPEED/DIRECTION    47/270    DATE  04/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       7
LIGHT RAIN               22     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW                5     SLEET                      1
FOG                      17     FOG W/VIS <= 1/4 MILE      4
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

...A VARIETY OF SPRING WEATHER IN APRIL...

APRIL 2019 FEATURED A VARIETY OF SPRINGLIKE WEATHER, WITH SNOWFLAKES
ACCUMULATING NEAR THE BEGINNING AND END OF THE MONTH. IN BETWEEN,
SEVERAL PLEASANT WARM-UPS BROUGHT THE FIRST 70F DEGREE READING OF
THE SEASON AND THE FIRST SEVERE THUNDERSTORM OUTBREAK WITH LARGE
HAIL FALLING AND DAMAGING WINDS OCCURRING ACROSS THE SOUTHERN TIER.

THE TEMPERATURE AVERAGED 44.8F FOR THE MONTH, WHICH IS JUST OVER A
DEGREE LOWER THAN NORMAL. LIKE MARCH, THIS APRIL FEATURED THE SPRING
TEMPERATURE UPS AND DOWNS WITH 17 DAYS BELOW NORMAL VERSES 13 DAYS
THAT FINISHED ABOVE NORMAL DAILY TEMPERATURE. THE FIRST 70F DEGREE
READING OCCURRED ON THE 12TH, WHEN THE TEMPERATURE PEAKED AT 74F.
THIS OCCURRENCE IS 10 DAYS LATER THAN NORMAL FOR THE AIRPORT. THERE
WERE NO RECORDS OR EXTREMES THIS MONTH.

PRECIPITATION WAS NEARLY NORMAL FOR THE MONTH, JUST SIX HUNDREDTHS
OF AN INCH ABOVE NORMAL. THERE WERE 16 DAYS WITH MEASURABLE
PRECIPITATION, TWO MORE THAN NORMAL. THE LONGEST DRY STRETCH CAME
EARLY IN THE MONTH WITH NO PRECIPITATION OVER THE 3-DAY STRETCH OF
THE 2ND TO 4TH. SNOWFALL TOTALED 0.5 INCHES FOR THE MONTH. THE BULK
OF THIS SNOW OCCURRED DURING THE FIRST FEW HOURS OF THE MONTH WHEN
0.4 INCHES OF SNOW ACCUMULATED.

SINCE SNOWFALL RECORDS BEGAN IN 1884, EVERY APRIL MONTH HAS HAD AT
LEAST OF TRACE OF SNOW...AND THIS APRIL WAS NO EXCEPTION. AFTER
SEVERAL TENTHS OF AN INCH OF SNOW FELL ON THE 1ST, HIGH PRESSURE
BROUGHT PLEASANT...BUT COOL CONDITIONS TO WESTERN NEW YORK. A WARM
FRONT LIFTED ACROSS THE REGION ON THE 5TH, AND THIS BROUGHT
CONSECUTIVE DAYS IN THE 60S ON THE 6TH AND 7TH. ANOTHER WARM FRONT
ON THE 12TH BROUGHT A 70F DEGREE AIRMASS TO BUFFALO, WITH THE
THERMOMETER PEAKING AT 74F DURING THE AFTERNOON. THE FIRST OUTBREAK
OF SEVERE THUNDERSTORMS THIS SEASON IN WESTERN NEW YORK OCCURRED ON
SUNDAY THE 14TH. A DYNAMIC LOW TRACKED JUST TO THE NORTH OF OUR
REGION AND THOUGH INSTABILITY WAS AT A MINIMUM, A STRONG LOW LEVEL
JET WITH THE PASSING SURFACE LOW FORCED SEVERE STORMS. THESE STORMS
PRIMARILY IMPACTED THE SOUTHERN TIER WITH LARGE HAIL TO 2 INCHES IN
DIAMETER AND DAMAGING WIND GUSTS. COOL CONDITIONS FOLLOWED THIS
THUNDERSTORM EVENT, WITH HIGHS ON THE 15TH AND 16TH ONLY IN THE 40S.
SPRING`S WARMTH AGAIN MADE A COMEBACK A FEW DAYS LATER WITH
TEMPERATURES AGAIN REBOUNDING BACK INTO THE 70S, ALBEIT WITH
UNSETTLED CONDITIONS THE THIRD WEEK OF APRIL. THE LAST SNOW OF APRIL
OCCURRED ON THE 27TH AND 28TH OF THE MONTH. THE MONTH THEN FINISHED
ON THE COOL SIDE WITH SCATTERED SHOWERS AROUND. THIS COOL STRETCH
BROUGHT THE AVERAGE TEMPERATURE FOR THE MONTH BACK DOWN TO BELOW
NORMAL.

ICE REMAINED ON THE EASTERN END OF LAKE ERIE THROUGH THE MONTH AND
NOT UNTIL APRIL 29TH DID ICE DISLODGE FROM THE BUFFALO SHORELINE,
WHICH ALLOWED FOR THE MONTH`S WATER TEMPERATURE TO CLOSE OUT IN THE
MID 30S. WINDS AVERAGED RIGHT AROUND NORMAL FOR THE MONTH AND THE
HIGHEST WIND GUST OCCURRED ON THE 3RD AT 47 MPH.

IN ALL, A FAIRLY TYPICAL APRIL WITH SNOW, THUNDERSTORMS AND BATTLING
LATE WINTER CHILL AND EARLY SUMMER WARMTH.

&&

THOMAS

$$



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