642
CXUS51 KBUF 020156
CLMBUF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
1110 AM EDT THU AUG 01 2024
...............................
..THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF JULY 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 98 07/09/2020
LOW 43 07/11/1945
HIGHEST 89 07/05 91 07/06
07/28
07/29
LOWEST 54 07/01 58 07/08
07/02
07/30
07/31
AVG. MAXIMUM 83.1 80.2 2.9 81.2
AVG. MINIMUM 65.3 63.1 2.2 64.5
MEAN 74.2 71.7 2.5 72.8
DAYS MAX >= 90 0 1.5 -1.5 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.93 1992
MINIMUM 0.15 1933
TOTALS 2.87 3.23 -0.36 5.54
DAYS >= .01 10 13
DAYS >= .10 6 9
DAYS >= .50 2 4
DAYS >= 1.00 1 2
GREATEST
24 HR. TOTAL 1.56 07/15 TO 07/16 1.41 07/26 TO 07/27
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
DAYS >= 0.1 0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 0 7 -7 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 293 213 80 251
SINCE 1/1 543 357 186 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.3
HIGHEST WIND SPEED/DIRECTION 28/240 DATE 07/14
28/240 DATE 07/16
HIGHEST GUST SPEED/DIRECTION 42/240 DATE 07/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 17
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 5
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
.. STORMY, HUMID JULY, RECORD NUMBER OF TORNADOES
FOR A REGION WHERE TORNADO OCCURRENCES ARE INFREQUENT, SWARMS OF
TORNADOES THIS JULY BROUGHT A TOTAL OF 9 TORNADOES TO WESTERN NEW
YORK, WITH THESE TORNADO TOUCHDOWNS SPANNING FROM CHAUTAUQUA COUNTY
TO OSWEGO COUNTY, SOUTH OF THE METRO AREAS OF BUFFALO AND ROCHESTER.
THE PRELIMINARY TOTAL FOR NEW YORK STATE IS 23 TWISTERS TOUCHING
DOWN, A RECORD FOR THE STATE FOR THE MONTH OF JULY AND THE 9
TORNADOES FOR WESTERN NEW YORK BROKE THE RECORD OF 5 FOR JULY SET IN
2009 AND 2010. THIS YEAR ALSO CONTINUED TO BE WARM, WITH JULY
ANOTHER PERSISTENTLY WARM MONTH WITH THE AVERAGE TEMPERATURE FOR
JULY WELL ABOVE NORMAL.
THE TEMPERATURE AVERAGED 74.2°F THIS MONTH, JUST OUTSIDE THE TOP TEN
WARMEST ON RECORD FOR JULY, FINISHING TIED FOR 14TH WARMEST. THIS
BREAKS THE STREAK OF TOP TEN WARMEST MONTHS AT 5 MONTHS (FEBRUARY -
JUNE). DESPITE RANKING 14TH WARMEST ON RECORD, THERE WERE NO RECORD
TEMPERATURES ESTABLISHED THROUGH THE MONTH, WITH THE GREATEST
AVERAGE TEMPERATURE DEPARTURE BEING 9 DEGREES ON THE 3RD AND 5TH.
ABOVE NORMAL TEMPERATURE DAYS OUTWEIGHED BELOW NORMAL TEMPERATURE
DAYS 24 TO 7. THERE WERE 26 DAYS THAT REACHED INTO THE 80S, 8 DAYS
MORE THAN THE AIRPORT TYPICAL TOTAL AND THESE 26 DAYS RANKED 7TH
GREATEST FOR JULY.
PRECIPITATION TOTALED 2.87 INCHES, WHICH IS ABOUT A THIRD OF AN INCH
BELOW NORMAL. MULTIPLE ROUNDS OF DRENCHING THUNDERSTORMS DURING THE
AFTERNOON OF THE 15TH BROUGHT 1.27 INCHES OF RAIN TO THE BUFFALO
AIRPORT, THE WETTEST DAY FOR THE MONTH. THERE WERE A FEW BRIEF DRY
STRETCHES THROUGH THE MONTH, BUT NOT LONG ENOUGH TO DRY OUT AREA
VEGETATION. THE FIRST MEASURABLE RAINFALL DID NOT OCCUR UNTIL THE
10TH, WITH 0.69 INCHES OF PRECIPITATION MEASURED. ALSO A 5 DAY
STRETCH FROM THE 25TH TO THE 29TH ALSO FEATURED RAIN-FREE WEATHER.
HIGH PRESSURE STARTED JULY WITH COMFORTABLE LEVELS OF HUMIDITY, AND
PRECIPITATION FREE DAYS. BEHIND THIS SURFACE HIGH, THE HUMIDITY
STARTED TO BUILD THROUGH THE REMAINDER OF THE FIRST WEEK OF THE
MONTH, WITH ISOLATED SHOWERS AND THUNDERSTORMS. THE REMNANTS OF
BERYL SPUN ACROSS THE REGION ON THE 10TH WITH NUMEROUS SHOWERS AND
THUNDERSTORMS. SEVERAL SPIN-UPS OCCURRED WITHIN THESE THUNDERSTORMS,
WITH A TOTAL OF 6 CONFIRMED TORNADOES, 4 OF WHICH OCCURRED IN
CHAUTAUQUA, ERIE AND GENESEE COUNTIES, WITH ANOTHER 2 OCCURRING IN
WAYNE AND OSWEGO COUNTIES. IN ADDITION, DAMAGING WINDS BROUGHT DOWN
SEVERAL TREES AND WIRES THROUGH WESTERN NEW YORK. IT REMAINED WARM
THROUGH MID-MONTH, WITH DRENCHING THUNDERSTORMS ON THE 15TH
PRODUCING MULTIPLE ROUNDS OF RAIN TO THE BUFFALO AIRPORT. THE 15TH
ALSO BROUGHT A SECOND DAY OF WIDESPREAD DAMAGING THUNDERSTORMS TO
WESTERN NEW YORK. A SPIN IN THE MID ATMOSPHERE, A MESOSCALE
CONVECTIVE VORTEX, AIDED IN THE FORMATION OF AN ADDITIONAL 2
TORNADOES ON THE 15TH, WITH ONE EACH TOUCHING DOWN IN GENESEE AND
ONTARIO COUNTIES. THUNDERSTORMS ALSO PRODUCED 1-INCH HAIL SOUTH OF
BUFFALO, AND 2.5-INCH HAIL IN ONTARIO COUNTY, THIS IN ADDITION TO
DAMAGING WIND GUSTS. FOLLOWING THESE STORMS, A COLD FRONT PASSED
ACROSS THE REGION ON THE 17TH SENDING HUMIDITY, SHOWERS AND
THUNDERSTORMS EASTWARD. THREE BEAUTIFUL DRY DAYS OCCURRED ON THE
18TH TO THE 20TH LEADING INTO A PLEASANT WEEKEND. A FEW SHOWERS AND
THUNDERSTORMS AGAIN OCCURRED THROUGH THE LAST FULL WORK WEEK OF JULY
BEFORE AGAIN A COLD FRONT LATE WEDNESDAY NIGHT BROUGHT BACK
BEAUTIFUL WEATHER TO FINISH THE WEEK AND WEEKEND. A FEW SHOWERS AND
THUNDERSTORMS CLOSED OUT THE MONTH ACROSS WESTERN NEW YORK, THOUGH
ACTIVITY REMAINED BELOW SEVERE THRESHOLDS.
THE TEMPERATURE ON LAKE ERIE REMAINED STEADY AROUND 73°F THROUGH MID-
MONTH, THEN ROSE TO 77 DEGREES BY THE END OF THE MONTH. THE WINDS
AVERAGED BELOW NORMAL FOR JULY, AND THE STRONGEST GUST WAS 42 MPH
FROM THE SOUTHWEST DURING THE MORNING HOURS OF THE 16TH.
IN ALL, JULY 2024 WILL BE NOTED FOR THE LARGE NUMBER OF TORNADOES BY
WESTERN NEW YORK STANDARDS, IN ADDITION TO PERSISTENT HUMIDITY AND
VERY WARM DAYS.
THOMAS
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