Oklahoma 2006 Annual Summary


PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
215 PM CST THU JAN 4 2007

...2006 ANNUAL SUMMARY...

...DROUGHT AND RECORD HEAT WERE THE TOP STORIES OF 2006...

...WARMEST YEAR ON RECORD IN OKLAHOMA CITY...

...THIRD WARMEST YEAR ON RECORD IN WICHITA FALLS.

FOR OKLAHOMA CITY:

RECORD SETTING HEAT SETTLED INTO OKLAHOMA THROUGH THE MAJORITY OF
THE YEAR. THE YEAR BEGAN WITH TEMPERATURES WELL ABOVE NORMAL IN
JANUARY... WITH THE AVERAGE TEMPERATURE 11 DEGREES ABOVE NORMAL.
JANUARY WAS THE 2ND WARMEST ON RECORD... FALLING 0.1 DEGREES BEHIND
1923 IN FIRST PLACE. LACK OF PRECIPITATION COMBINED WITH THE WARM
TEMPERATURES ALLOWED FOR EXTREME FIRE DANGER...WHICH CONTINUED WELL
INTO 2006. ABOVE AVERAGE TEMPERATURES WERE COMMON THROUGHOUT THE
YEAR... WITH ONLY TWO MONTHS REPORTING BELOW AVERAGE MONTHLY
TEMPERATURES. BELOW IS A TABLE OF EACH MONTH WITH DEPARTURE FROM
NORMAL IN DEGREES FAHRENHEIT:

RANK MONTH DEPARTURE FROM NORMAL
1 JANUARY +11.0
2 FEBRUARY - 0.6
3 MARCH + 4.1
4 APRIL + 7.5
5 MAY + 4.2
6 JUNE + 3.2
7 JULY + 4.2
8 AUGUST + 4.7
9 SEPTEMBER - 1.9
10 OCTOBER + 0.8
11 NOVEMBER + 4.0
12 DECEMBER + 4.0

FIVE MONTHS GOT INTO THE TOP TEN FOR WARMEST ON RECORD. BELOW IS A
TABLE OF EACH MONTH THAT CRACKED THE TOP TEN:

MONTH RANK
JANUARY 2
APRIL 1
MAY 4(T)
JULY 8
AUGUST 5(T)


WITH SO MANY TEMPERATURES ABOVE NORMAL... MOST OF THEM QUITE
SIGNIFICANTLY... IT SHOULD COME AS NO SURPRISE THAT THE YEAR WAS THE
WARMEST ON RECORD. BELOW IS A TABLE OF THE WARMEST YEARS ON RECORD:

RANK YEAR AVERAGE TEMPERATURE
1 2006 63.9
2 1998 63.2
3 1939 63.1
4 1938 62.8(T)
1934
1933
7 1954 62.7(T)
1946
1931
10 1999 62.3(T)
1921

TWENTY-EIGHT WARM TEMPERATURE RECORDS WERE TIED OR BROKEN DURING THE
YEAR. THE HOTTEST TEMPERATURE OF THE YEAR WAS 107 DEGREES... SET ON
JULY 19TH...JULY 20TH AND AUGUST 10TH. THE TEMPERATURE REACHED OR
EXCEEDED 100 DEGREES 38 TIMES... WHICH WAS THE MOST SINCE 1980 AND
THE FOURTH MOST ON RECORD. FROM JULY 30TH THROUGH AUGUST 10TH THE
TEMPERATURE REACHED AT LEAST 100 DEGREES... AND FROM JULY 17TH
THROUGH 21ST... THE TEMPERATURE WAS AT LEAST 105 DEGREES. THE FIRST
100 DEGREE TEMPERATURE WAS REACHED ON JUNE 10TH WITH THE LAST
OCCURRING ON AUGUST 26TH. THE TEMPERATURE ON MARCH 1ST REACHED 90
DEGREES... WHICH WAS THE FOURTH EARLIEST 90 DEGREE HIGH TEMPERATURE
ON RECORD. BOTH APRIL AND MAY HAD THE MOST 90 DEGREE DAYS ON RECORD.

AS IS THE CASE IN MOST YEARS... THERE WERE A FEW COLD DAYS TO GO
ALONG WITH ALL THE WARM DAYS. THE HIGH TEMPERATURE DID NOT RISE ABOVE
FREEZING ON FOUR OCCASIONS... THREE TIMES IN FEBRUARY AND ONCE IN
NOVEMBER. FEBRUARY WAS ONE OF TWO MONTHS THAT HAD BELOW NORMAL
AVERAGE TEMPERATURES. THE COLDEST LOW TEMPERATURE OCCURRED ON
FEBRUARY 18TH WHEN THE MERCURY DIPPED TO 11 DEGREES. THE LOW
TEMPERATURE WAS BELOW 20 DEGREES FOUR TIMES. NOVEMBER 30TH HAD THE
ONLY RECORD COLD MAXIMUM TEMPERATURE WHEN THE HIGH TEMPERATURE WAS
ONLY 29 DEGREES. THIS OCCURRED BEHIND A VERY STRONG ARCTIC COLD
FRONT THE DROPPED TEMPERATURES 40 DEGREES IN JUST AN HOUR OR TWO.
THIS TEMPERATURE FELL JUST SHORT OF THE ALL TIME NOVEMBER RECORD
COLD MAXIMUM TEMPERATURE.

BELOW IS A TABLE OF EACH MONTH WITH TOTAL PRECIPITATION... MONTHLY
RANK... AND DEPARTURE FROM NORMAL:

RANK MONTH TOTAL PRECIPITATION DEPARTURE FROM NORMAL
1 AUGUST 4.01 +1.53
2 SEPTEMBER 3.76 -0.22
3 JULY 3.42 +0.48
4 APRIL 3.18 +0.18
5 MAY 3.01 -2.43
6 MARCH 2.78 -0.12
7 JUNE 2.32 -2.31
8 DECEMBER 2.02 +0.13
9 OCTOBER 1.56 -2.08
10 NOVEMBER 1.43 -0.68
11 JANUARY 0.27 -1.01
12 FEBRUARY 0.08 -1.48

THE YEAR BEGAN ON THE DRY SIDE... AS JANUARY THROUGH MARCH HAD BELOW
NORMAL PRECIPITATION. APRIL CAME IN SLIGHTLY ABOVE NORMAL... BUT MAY
AND JUNE - NORMALLY THE WETTEST MONTHS - CAME IN A COMBINED 4.74
INCHES BELOW NORMAL. JULY AND AUGUST MADE UP FOR SOME THE LACK OF
PRECIPITATION... BUT SEPTEMBER THROUGH OCTOBER WERE ONCE AGAIN BELOW
NORMAL. FOR THE YEAR... THE TOTAL PRECIPITATION WAS 27.84 INCHES...
OR 8.01 INCHES BELOW NORMAL. LASTING EFFECTS OF THE DROUGHT WERE
FELT ACROSS MUCH OF THE REGION... WITH LAKES AND PONDS DOWN TO
HISTORICALLY LOW LEVELS.

THE TOTAL SNOWFALL FOR THE YEAR WAS 6.9 INCHES... WHICH WAS 2.5
INCHES BELOW NORMAL. ALTHOUGH JANUARY WAS A VERY WARM MONTH... SNOW
FELL ON THE 10TH WITH A HALF OF AN INCH RECORDED. FEBRUARY COUNTERED
WITH THREE DAYS OF RECORDED SNOWFALL... ALTHOUGH ONLY 0.2 INCHES
ACCUMULATED. MID MARCH PROVIDED A LATE SEASON SNOWFALL... WITH
1.6 INCHES FALLING DURING THE MORNING OF THE 23RD. THE LAST SNOWFALL
RECORDED DURING THE YEAR OCCURRED FROM THE 29TH THROUGH 30TH OF
NOVEMBER. MODERATE TO OCCASIONALLY HEAVY SNOW WITH STRONG WINDS
CREATED HAZARDOUS CONDITIONS THROUGH MUCH OF THE DAY ON THE 30TH.
WHEN IT WAS ALL SAID AND DONE... 4.6 INCHES OF SNOW HAD FALLEN WHICH
WAS A RECORD FOR THE DAY. SNOW STAYED ON THE GROUND OVER THE FIRST
FEW DAYS OF DECEMBER... WITH JUST FLURRIES OCCURRING ON NEW YEARS
EVE.

A FEW NOTABLE SEVERE WEATHER EVENTS OCCURRED IN OKLAHOMA.
THUNDERSTORMS WITH HIGH WINDS AND HEAVY RAINS MOVED THROUGH THE
METRO ON JUNE 17TH... JULY 10TH... AND AUGUST 14TH. ONE OF THE MORE
MEMORABLE SEVERE STORMS OF THE YEAR OCCURRED ON APRIL 24TH. THAT DAY
A SUPERCELL DEVELOPED AND MOVED INTO WESTERN OKLAHOMA COUNTY. TWO
HIGHLY VISIBLE TORNADOES OCCURRED NEAR AND OVER THE EL RENO AIRPORT
RESULTING IN F1 TORNADO DAMAGE.

$$

TY
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About Putnam Reiter

Putnam has been storm chasing since 1990 and is a co-founder of Hook-Echo.com. For his day job, Putnam works in emergency management for information technology.
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