Flood/Flash Flood Statement(FFS, WGUS74)
Definition
A flash flood statement contains the latest and more detailed information on the event. It can also be used...
- to remove parts of the geographical area covered by the original flood or flash flood watch or warning when flooding is no longer a threat or has ended in a certain area, or
- to terminate the original flood/flash flood watch or warning when it is no longer valid.
A statement will not be used for the purpose of extending or adding geographical areas. A separate watch or warning shall be issued.
Example
WGUS74 KFWD 060318
FFSFTW
TX091>095-100>107-115>123-129>135-141>148-156>162-174-175-061100-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
915 PM CST SUN NOV 5 2000
...FLASH FLOOD WATCH IS TERMINATED WEST OF A BONHAM...CORSICANA...
CAMERON LINE...
...FLASH FLOOD WATCH CONTINUES UNTIL 500 AM MONDAY ALONG AND EAST OF
A BONHAM...CORSICANA...CAMERON LINE...
AT 915 PM ...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
MOST OF THE HEAVY RAIN FALL HAD MOVED EAST OF A BONHAM...CORSICANA...
CAMERON LINE. WHILE LIGHT...TO OCCASIONALLY MODERATE...RAIN WILL
CONTINUE FOR THE NEXT SEVERAL HOURS WEST OF THIS LINE...THE THREAT
OF FLASH FLOODING HAS ENDED.
SINCE ABOUT 300 PM...RAINFALL ACROSS NORTH CENTRAL TEXAS HAS BEEN
HEAVY. THE SIX HOUR RAINFALL AMOUNT FOR DFW AIRPORT WAS NEARLY TWO
INCHES /1.99/...LOVE FIELD HAD ALMOST ONE AND A HALF INCHES /1.40/...
AND RED BIRD AIRPORT...IN SOUTHWEST DALLAS COUNTY...HAD OVER TWO
AND A THIRD INCHES OF RAIN /2.38/.
THE FLASH FLOOD WATCH REMAINS IN EFFECT ALONG AND EAST OF BONHAM...
CORSICANA ...CAMERON LINE THROUGH 500 AM. YOU CAN EXPECT VERY HEAVY
RAIN WITH THE THUNDERSTORMS WITH RAIN ACCUMULATIONS GENERALLY
BETWEEN ONE AND TWO INCHES. SOME OF THE HEAVIER STORMS CAN PRODUCE
ENOUGH RAIN IN VERY QUICKLY AND PRODUCE FLASH FLOODING. ALSO...THE
GROUND IS NEARLY SATURATED AND THAT WILL CONTRIBUTE TO THE FLOODING
POTENTIAL.
YOU ARE REMINDED THAT MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES. DO
NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY OR
PAST POLICE BARRICADES. |
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