A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 602 AM CDT THU APR 23 2015 /502 AM MDT THU APR 23 2015/ ...SOUTH DAKOTA SEVERE WEATHER AWARENESS WEEK...DAY FOUR ...FLOODS AND FLASH FLOODS... ON A NATIONAL LEVEL... FLOODS AND FLASH FLOODS CLAIM NEARLY 200 LIVES ANNUALLY...FORCE 300,000 PERSONS FROM THEIR HOMES...AND RESULT IN PROPERTY DAMAGE IN EXCESS OF 2 BILLION DOLLARS. CHARACTERISTICALLY...75 PERCENT OF FLASH FLOOD DEATHS OCCUR AT NIGHT WITH HALF OF THE VICTIMS DYING IN THEIR AUTOMOBILES OR OTHER VEHICLES. IT MAY BE DIFFICULT TO BELIEVE...BUT MANY DEATHS OCCUR WHEN PERSONS KNOWINGLY DRIVE AROUND ROAD BARRICADES INDICATING THE ROAD IS WASHED OUT AHEAD. LAST YEAR IN SOUTH DAKOTA... FLOODING AND FLASH FLOODING CAUSED EXTENSIVE DAMAGE TO CROPS... PROPERTY AND PUBLIC INFRASTRUCTURE SUCH AS BRIDGES AND ROADS LAST YEAR. ARE YOU PREPARED... ASSUME A THUNDERSTORM PRODUCES 6 INCHES OF RAIN IN LESS THAN 6 HOURS TIME NEAR YOUR COMMUNITY. STORMS OF THIS MAGNITUDE OR GREATER OCCUR SEVERAL TIMES EACH YEAR IN THE U.S...WOULD YOU KNOW WHAT ACTION TO TAKE TO PROTECT YOURSELF AND THE PEOPLE WHO DEPEND ON YOU FOR SAFETY? AFTER A MAJOR FLOOD EVENT ONE OF THE MOST COMMON QUOTES FROM THE SURVIVORS OF THE FLOOD IS THE EXPRESSION THEY DID NOT BELIEVE IT COULD HAPPEN TO THEM OR IN THEIR COMMUNITY. BEFORE THE FLOODING... THERE IS NOTHING ANYONE CAN DO TO PREVENT THE OCCURRENCE OF FLASH FLOOD PRODUCING RAINFALL. HOWEVER...BY STRIVING FOR SOUND FLOOD PLAIN ZONING...DEVELOPING AN EMERGENCY ACTION PLAN IN ADVANCE OF THE DISASTER...PURCHASING FLOOD INSURANCE AT LEAST 30 DAYS BEFORE THE FLOODING...AND BEING AWARE OF THE DANGERS ASSOCIATED WITH EXTREMELY HEAVY RAINFALL AND FLOODING...THERE IS A CHANCE OF DECREASING THE DEATH TOLL AND PROPERTY DAMAGE THAT RESULTS FROM FLASH FLOODING. REMEMBER...TURN AROUND DON`T DROWN.