TEMPERATURE DATA
AVERAGE ANNUAL HIGH TEMPERATURE...79.3 +3.0 DEGREES
AVERAGE ANNUAL LOW TEMPERATURE....58.3 +3.7 DEGREES
AVERAGE ANNUAL TEMPERATURE........68.6 +3.2 DEGREES
THE AVERAGE YEARLY TEMPERATURE AT THE DFW AIRPORT FOR 1999 WAS 68.6
DEGREES. THIS SURPASSES THE AVERAGE TEMPERATURE OF 68.3 DEGREES
WHICH WAS SET LAST YEAR... 1999. THIS IS TWO YEARS IN A ROW THE
AVERAGE HIGH HAS BEEN BROKEN... MAKING 1999 THE WARMEST YEAR OF THE
CENTURY.
1999 WAS THE 7TH HOTTEST SUMMER ON RECORD AT 86.2 DEGREES. 1999
WAS THE 6TH WARMEST FALL ON RECORD AT 70.3 DEGREES. AUGUST 1999 NOW
HOLDS THE RECORD AS THE 3RD HOTTEST AUGUST ON RECORD AT 90.2
DEGREES.
THE COLDEST DAY OF THE YEAR WAS THE 4TH OF JANUARY 17 DEGREES.
THE HOTTEST DAY OF THE YEAR WAS THE 10TH OF AUGUST 107 DEGREES.
THE 26 "TRIPLE DIGIT DAYS" IN AUGUST TIED THE OLD RECORD FOR THE
MONTH OF AUGUST... PREVIOUSLY SET IN 1952.
RECORD HIGHS ESTABLISHED
NEW 106 12th AUG OLD RECORD 105 1936
NEW 106 26th AUG OLD RECORD 104 1988
TIED 92 15th OCT OLD RECORD 92 1948
RECORD LOWS ESTABLISHED
THERE WERE NO-RECORD LOWS SET DURING THE YEAR.
PRECIPITATION DATA
AVERAGE ANNUAL RAINFALL 33.70
TOTAL RAINFALL 1999 23.59 -10.11
WETTEST MONTH OF THE YEAR 6.91 INCHES IN MAY
24-HOUR RECORD RAINFALL ESTABLISHED
NEW 0.93 29TH JANUARY OLD RECORD 0.85 1964
NEW 1.49 8TH MARCH OLD RECORD 0.97 1921
1999 NOW BECOMES THE 18TH DRIEST ON RECORD WITH 23.59 INCHES OF
RAIN. THIS IS THE DRIEST YEAR SINCE 1980. 1999 NOW HOLDS THE RECORD
FOR THE 6TH DRIEST SUMMER...WITH 1.76 INCHES OF RAINFALL.
WEATHER EVENTS
THE FOLLOWING IS A SUMMARY OF SIGNIFICANT/SEVERE WEATHER REPORTS
RECEIVED FROM A COMBINATION OF STORM SPOTTERS ( "RACES" -RADIO
AMATEUR CIVIL EMERGENCY SERVICES)...CO-OPERATIVE RAINFALL
OBSERVERS...ALL LAW ENFORCEMENT AGENCIES (DEPT. OF PUBLIC SAFETY)
...SHERIFF'S OFFICES...LOCAL POLICE...FIRE DEPTS. AND LAST...BUT NOT
LEAST...THE EMERGENCY MANAGEMENT OFFICES.
THIS LIST CONSISTS OF REPORTS RECEIVED AT THE WEATHER SERVICE
OFFICE...BUT IS NOT NECESSARILY ALL OF THE SEVERE WEATHER THAT
OCCURRED. (SOME SEVERE REPORTS ARE NEVER CALLED IN). THESE ARE
REPORTS THE WEATHER OFFICE RECEIVED IN DALLAS AND TARRANT COUNTIES.
29TH JANUARY - FLASH FLOODING IN TARRANT COUNTY. RAMP CLOSED ON I-35W
TO I-30E DUE TO FLOODING/PONDING OF WATER AT BOTTOM OF ON RAMP.
29TH JANUARY - TARRANT COUNTY 3/4 INCH HAIL IN DOWNTOWN FORT
WORTH.
29TH JANUARY - TARRANT COUNTY NICKEL SIZE HAIL IN HURST.
29TH JANUARY - DALLAS COUNTY DIME SIZE HAIL IN OAK CLIFF. DIME
SIZE HAIL AT DALLAS LOVE FIELD.
6TH FEBRUARY - TARRANT COUNTY DIME SIZE HAIL AT SOUTHLAKE.
6TH February - DALLAS COUNTY MEASURED 64 MPH WINDS.
6TH FEBRUARY - DALLAS COUNTY COPPELL. ELECTRICAL LINES
DOWN.
8TH MARCH - TARRANT COUNTY...2 INCH TREE LIMBS DOWN. WINDS E70 MPH AT
I-35 AND ALTAMESA. GAS STATION SIGN BLOWN DOWN IN HULEN MALL AREA
8TH MARCH - TARRANT COUNTY FLOODING OF MAJOR STREETS ON EAST SIDE
OF DOWNTOWN FORT WORTH.
8TH MARCH - TARRANT COUNTY SYCAMORE CREEK OUT OF BANKS AND FLOWING
THROUGH BACKYARDS IN EDGECLIFF VILLAGE.
11TH MARCH - TARRANT COUNTY...PEA SIZE HAIL IN AZLE. JACKSBORO HWY
(199) FLOODED. DIME SIZE HAIL IN LAKE WORTH.
11TH MARCH - DALLAS COUNTY...30 CALLS RECEIVED AT DALLAS EOC OFFICE
ON HIGH WATER/FLOODING IN SEVERAL PARTS OF THE COUNTY.
24TH MARCH - DALLAS COUNTY...REPORTS FROM THE PUBLIC OF 1 INCH HAIL
IN THE WHITE ROCK LAKE AREA.
3RD APRIL - TARRANT COUNTY...DIME SIZE HAIL IN WATAUGA. 60 MPH WIND
GUSTS RECORDED AT HULEN AND ALTAMESA. DIME SIZE HAIL ON SOUTHWEST
SIDE OF LOOP 820.
4TH APRIL - TARRANT COUNTY...4 DIFFERENT REPORTS OF DIME SIZE HAIL
ALONG I-20...ALSO IN ARLINGTON. DIME SIZE HAIL IN EULESS.
26TH APRIL - DALLAS COUNTY...60 MPH WINDS AT WHITE ROCK LAKE. FLASH
FLOODING/HIGH WATER OVER ROAD AT GASTON & GARLAND RD. TREE LIMBS
BLOCKING SEVERAL STREETS IN NORTH DALLAS. TREES UPROOTED BY HIGH
WINDS 2 EAST OF DOWNTOWN DALLAS. 12 TO 16 INCH DIAMETER TREES SNAPPED
OFF ABOUT A FOOT ABOVE GROUND LEVEL.
3RD MAY - TARRANT COUNTY 1 INCH HAIL REPORTED IN RIVER OAKS.
4TH MAY - TARRANT COUNTY QUARTER SIZE HAIL AT BENBROOK LAKE. 1 INCH
HAIL AT I-20 AND TRAIL LAKE. 1 INCH HAIL EDGECLIFF VILLAGE. DIME SIZE
HAIL IN WEST ARLINGTON. QUARTER SIZE HAIL IN BURLESON. 1 AND 2 INCH
HAIL AT GRAND PRAIRIE AIRPORT. 2 INCH HAIL IN SOUTH ARLINGTON.
BASEBALL SIZE HAIL IN MANSFIELD. DALLAS COUNTY...2 - 3 INCH HAIL AT
JOE POOL LAKE. QUARTER SIZE HAIL REPORTED IN SOUTHWEST DALLAS.
11TH MAY - TARRANT COUNTY DIME SIZE HAIL IN GRAPEVINE.
17TH MAY - TARRANT COUNTY QUARTER SIZE HAIL IN WHITE SETTLEMENT.
QUARTER HAIL IN BENBROOK. DIME TO NICKEL SIZE HAIL IN DOWNTOWN FORT
WORTH. GOLF BALL SIZE HAIL EAST FORT WORTH AT INX OF LOOP 820 AND I-
30. 1 INCH HAIL NORTH RICHLAND HILLS. GOLF BALL SIZE HAIL AT
BIRDWELL HIGH SCHOOL. QUARTER TO HALF DOLLAR SIZE HAIL IN EULESS.
DALLAS COUNTY...DIME SIZE HAIL IN LOS COLINAS. DALLAS...FLOODING AT
TOLLWAY AND ROYAL ROAD. 1 INCH HAIL IN WILMER ALONG WITH STREET
FLOODING.
25H MAY - DALLAS COUNTY...3/4 TO 1 INCH HAIL IN SACHSE. STORM SPOTTER
REPORTS 1 1/4 INCH HAIL IN EAST DALLAS (MAPCO 48).
26TH MAY - DALLAS COUNTY...KRLD AND DALLAS POLICE DEPT REPORT HIGH
WATER AND RESCUES IN PROGRESS AT ROYAL AND HILLCREST AND SOUTH WELLS AND
HARRY HINES. TARRANT COUNTY...4-5 INCH DIAMETER TREE LIMBS DOWN ON
ALTAMESA AND ALONG WESTCREEK. WINDS ESTIMATED AT 50 TO 65 MPH.
27TH MAY - TARRANT COUNTY...GRAND PRAIRIE PD REPORTED WINDS TO 55 MPH
AT I-20 AND MARKUM RANCH ROAD. 65 To 70 MPH WIND GUSTS IN BENBROOK.
ALONG WITH SEVERAL REPORTS OF NICKEL TO QUARTER SIZE HAIL.
28TH MAY - TARRANT COUNTY...NICKEL SIZE HAIL IN GRAPEVINE. QUARTER
SIZE HAIL JUST NORTHWEST OF DFW AIRPORT. FLOODING ALONG I-20 AND
EXITS AT HULEN AND TCU.
30TH MAY - DALLAS COUNTY...2 STREETS IN FAST DALLAS CLOSED DUE TO
HIGH WATER...ALSO WATER UP IN HOUSES.
10TH JUNE - DALLAS COUNTY...HIGH WATER...STREET FLOODING IN
RICHARDSON. NUMEROUS STALLED VEHICLES. AT LEAST 10 MEDIUM SIZE TREES
DOWN DUE TO HIGH WINDS IN NORTH DALLAS.
12TH JUNE - DALLAS COUNTY NUMEROUS STREETS FLOODED IN RICHARDSON.
10TH JULY - DALLAS COUNTY WATER 3-4 FEET DEEP AT INTERSECTION OF
LAWNVIEW AND SAMUEL DUE TO FLOODING OF WHITE ROCK CREEK.
19TH AUGUST - TARRANT COUNTY...WINDS ESTIMATED TO 70 MPH AT HULEN &
VICKERY. POWER LINES AND TREES DOWN ALONG MCCART AVE. LAKE WORTH PD
REPORTS TREES DOWN.
10TH SEPTEMBER - TARRANT COUNTY 18-WHEELER BLOWN OVER.
25TH SEPTEMBER - DALLAS COUNTY QUARTER HAIL IN SOUTH IRVING...DIME
HAIL IN GRAND PRAIRIE...HAIL LARGER THAN 2 INCHES NEAR JOE POOL LAKE.
25TH SEPTEMBER - TARRANT COUNTY...DIME TO NICKEL HAIL IN ARLINGTON...
ONE INCH HAIL IN FOREST HILL...3/4 INCH HAIL AT EVERMAN...ONE INCH
HAIL IN CROWLEY...2 INCH HAIL IN FORT WORTH...DIME HAIL IN CROWLEY.
22ND NOVEMBER - DALLAS COUNTY...GOLF BALL HAIL AND 80 MPH WINDS NEAR
REDBIRD AIRPORT...60 MPH WINDS AND DIME HAIL IN SOUTHERN DOWNTOWN
DALLAS.
11TH DECEMBER - DALLAS COUNTY...FLOODING...ROADS BARRICADED...LEMON
AND UNIVERSITY...ALAMO AND HIGHLINE...CREEK OVERFLOWN 2100 BISCAY...
MUDSLIDE 8300 FOX CREEK AND MOUNTAIN CREEK.
THE END
WSFO FTW
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