770
NOUS44 KFWD 030000
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TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-311200-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
700 PM CDT THU MAY 2 2013

...WACO CLIMATE NARRATIVE FOR APRIL 2013...

FOR WACO...APRIL WAS THE SECOND CONSECUTIVE MONTH WITH A MEAN
TEMPERATURE BELOW NORMAL. THIS IS THE FIRST TIME FOR BACK-TO-BACK
BELOW NORMAL MONTHS SINCE EARLY 2010 (DECEMBER 2009-MARCH 2010).

SIGNIFICANT LATE SEASON COLD FRONTS ARRIVED WEEKLY. AFTER THE FIRST
STRONG FRONT...A FEW LOCATIONS DIPPED TO FREEZING THE MORNING OF
APRIL 5. ANOTHER FRONT ARRIVED THE FOLLOWING WEEK. THE MORNING OF
APRIL 11...SLEET FELL IN AREAS MAINLY EAST AND SOUTHEAST OF THE
DALLAS/FORT WORTH METROPLEX. THE NEXT FRONT BROUGHT A FREEZE TO
PORTIONS OF NORTH TEXAS ON APRIL 19. THE MERCURY DIPPED TO 34
DEGREES AT WACO REGIONAL AIRPORT...THE LATEST EVER IN A SEASON FOR A
TEMPERATURE THAT COLD. YET ANOTHER FRONT ARRIVED THE FOLLOWING
WEEK...RESULTING IN ONE OF THE LATEST FREEZES ON RECORD FOR
NORTHWESTERN PORTIONS OF NORTH TEXAS THE MORNING OF APRIL 24. IT
REMAINED ABOVE FREEZING IN CENTRAL TEXAS...BUT WACO REGIONAL AIRPORT
TIED A RECORD LOW OF 39 DEGREES.

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                           APRIL 24     LATEST FREEZE
                           LOW TEMP       ON RECORD

   BOWIE AIRPORT              32
   BOWIE COOP                 30         APR 30, 1903

   GAINESVILLE AIRPORT        31
   GAINESVILLE COOP           32         MAY 1, 1903

   GRAHAM AIRPORT             32
   GRAHAM COOP                29         APR 25, 1910

   JACKSBORO COOP             31         APR 18, 1953*
      * NEW RECORD (RECORDS BEGAN IN 1941)

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DURING APRIL...NORMAL LOW TEMPERATURES ARE IN THE 50S...BUT WACO
REGIONAL AIRPORT DIPPED INTO THE 30S ON FIVE SEPARATE OCCASIONS.
UNSURPRISINGLY...THE MONTH WAS AMONG THE 10 COOLEST ON RECORD FOR
WACO.

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WACO - COOLEST APRIL TEMPERATURES

  LOWEST MEAN TEMP       LOWEST AVG HIGH        LOWEST AVG LOW

   1   60.6   1997        1   69.0   1973        1   49.4   1983
   2   61.1   1973        2   70.9   1997        2   49.6   1987
   3   61.8   1983        3   71.7   1926        3   49.9   1980
   4   62.5   1980        4   72.7   1949            49.9   1936
   5   62.6   2007        5   72.9   2007        5   50.1   1984
   6   62.9   1926        6   73.2   1957        6   50.2   1997
   7   63.1   1952        7   73.5   1975            50.2   1996
   8   63.2   1949        8   73.6   1958        8   51.8   2013*
   9   63.5   2013*       9   73.8   1968        9   51.9   1952
  10   63.8   1993            73.8   1914       10   52.1   1998
       63.8   1959
       63.8   1938       23   75.2   2013*

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APRIL IS IN THE MIDST OF SEVERE WEATHER SEASON...BUT APRIL 2013 HAD
FEW EVENTS.

ON APRIL 2...STRONG THUNDERSTORMS WITH HEAVY RAIN IMPACTED WESTERN
PORTIONS OF NORTH TEXAS. QUARTER HAIL FELL IN COMANCHE COUNTY. IN
BRECKENRIDGE...OVER 3 INCHES OF RAIN FELL...NEARLY DOUBLING THE 2013
PRECIPITATION TOTAL. THE RUNOFF RESULTED IN THE FIRST FLASH FLOOD
WARNING ISSUED BY THE NATIONAL WEATHER SERVICE SINCE AUGUST 2012.

ON APRIL 9...HAIL AS LARGE AS TENNIS BALLS (2.5-INCH) FELL IN OLNEY
(YOUNG COUNTY). WITH STORMS THE FOLLOWING DAY...HAIL FELL IN BOTH
DALLAS/FORT WORTH AND TEMPLE.

ON APRIL 15...SUPERCELLS RUMBLED THROUGH AREAS NORTHWEST OF THE
DALLAS/FORT WORTH METROPLEX. GOLF BALL HAIL FELL IN MONTAGUE...
JACK...AND WISE COUNTIES. THE LARGEST HAIL REPORTED DURING THE EVENT
WAS 2 INCHES IN DIAMETER...WHICH FELL IN NORTHERN JACK COUNTY.

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WITH FEW RAIN EVENTS...MUCH OF THE REGION SAW BELOW NORMAL
PRECIPITATION TOTALS FOR THE MONTH. FEWER LOCATIONS ARE ABOVE NORMAL
FOR THE YEAR TO DATE...AND THOSE SITES HAVE SLIM SURPLUSES. THANKS
IN LARGE PART TO A WET JANUARY...THE 2013 PRECIPITATION TOTAL AT
WACO REMAINS ABOVE NORMAL THROUGH THE END OF APRIL...ALBEIT BY ONLY
0.14 INCHES.

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AIRPORT SITES               APRIL             JANUARY-APRIL 2013
                       2013  DEPARTURE     TOTAL  DEPARTURE  PERCENT

WACO                   1.75    -0.94       10.73    +0.14      101
DFW AIRPORT            1.98    -1.09        9.99    -1.36       88

DALLAS LOVE FIELD      2.81    -0.26       11.10    -0.11       99
FORT WORTH MEACHAM     2.47    -0.45        8.91    -1.88       83
DALLAS EXECUTIVE       3.45    +0.05        9.87    -2.55       79
FORT WORTH ALLIANCE    2.49    -0.57        9.62    -1.16       89
ARLINGTON              3.31    +0.15       10.76    -0.78       93

DENTON                 2.41    -0.80       11.53    +0.01      100
MCKINNEY               2.27    -1.15       12.85    +0.43      103
TERRELL                2.51    -0.70       10.03    -2.93       77
CORSICANA              2.71    -0.23       10.78    -2.02       84
MINERAL WELLS          2.78    +0.40        8.13    -1.03       89

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$$

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