Spring flood outlook
While we have stressed mostly negative aspects of the drought there are a few positives. Since we don’t have a snow pack across our area and river levels are slightly below normal the chances for considerable flooding are down through May of this year. Of course this could change with significant and even rainfall well above normal. Here is the outlook for area rivers:
...SPRING FLOOD AND WATER RESOURCES OUTLOOK...
HERE IS THE 90 DAY PROBABILISTIC FORECAST FOR LOCATIONS IN THE
MAUMEE RIVER BASIN IN NORTHEAST INDIANA AND NORTHWEST OHIO AND FOR
THE UPPER WABASH RIVER BASIN IN NORTHERN INDIANA. IN THE TABLE
BELOW THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE CHANCE THE
RIVER COULD RISE TO OR ABOVE THE LISTED STAGE LEVELS IN THE NEXT
90 DAYS. FOR EXAMPLE... THE MAUMEE RIVER AT FORT WAYNE... INDIANA
HAS A FLOOD STAGE OF 17 FEET. IN THE NEXT 90 DAYS THERE IS A 10
PERCENT CHANCE THE RIVER WILL RISE TO OR ABOVE 19.2 FEET. WABASH
INDIANA ON THE WABASH RIVER HAS A FLOOD STAGE OF 14 FEET. IN THE
NEXT 90 DAYS THERE IS A 10 PERCENT CHANCE THE RIVER WILL RISE TO
OR ABOVE 13.8 FEET.
CHANCE OF EXCEEDING STAGES AT SPECIFIC LOCATIONS
...VALID FEBRUARY 21 2013 - MAY 26 2013...
MAUMEE RIVER BASIN...
LOCATION FS(FT) 95% 90% 75% 50% 25% 10% 5%
ST. JOSEPH RIVER...
SAINT JOSEPH RIVER OHIO
MONTPELIER OH 12.0 8.9 9.5 11.1 11.9 13.0 14.2 14.9
NEWVILLE IN 12.0 9.7 10.7 12.3 12.8 13.6 14.7 15.9
ST. JOE FT W. IN 12.0 5.9 7.7 9.1 10.6 12.5 15.3 19.2
ST. MARYS RIVER...
SAINT MARYS RIVER
DECATUR IN 17.0 9.1 11.5 13.1 16.4 17.8 20.5 20.9
MULDOON BRIDGE IN 14.0 5.9 6.9 8.3 10.6 12.3 15.0 16.8
MAUMEE RIVER...
MAUMEE RIVER
FORT WAYNE IN 17.0 7.5 10.8 14.0 15.5 17.9 19.2 21.6
DEFIANCE OH 10.0 3.6 4.3 5.2 6.2 7.0 8.9 9.5
NAPOLEON OH 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
TIFFIN RIVER...
TIFFIN RIVER
STRYKER OH 11.0 9.5 11.4 12.4 13.0 13.7 15.2 16.1
BLANCHARD RIVER...
BLANCHARD RIVER
OTTAWA OH 23.0 18.4 18.9 20.0 21.5 22.9 23.8 23.8
AUGLAIZE RIVER...
AUGLAIZE RIVER
FORT JENNINGS OH 13.0 6.1 7.2 9.6 11.8 13.5 15.4 16.9
DEFIANCE OH 21.0 10.9 11.5 13.8 15.4 17.5 20.1 21.3
UPPER WABASH RIVER BASIN
LOCATION FS(FT) 95% 90% 75% 50% 25% 10% 5%
WABASH RIVER...
WABASH RIVER
LINN GROVE 11.0 7.5 7.9 8.7 9.7 10.7 12.5 13.2
BLUFFTON IN 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
WABASH IN 14.0 7.8 9.1 10.5 11.6 12.9 13.8 14.5
LOGANSPORT IN 15.0 6.2 7.0 7.7 8.2 9.1 10.2 11.0
TIPPECANOE RIVER...
TIPPECANOE RIVER
ORA IN 12.0 8.6 9.3 10.3 11.3 12.1 13.6 15.3
WINAMAC IN 10.0 6.7 7.3 8.2 9.1 9.9 12.1 15.1
MISSISSINEWA RIVER...
MISSISSINEWA RIVER
MARION IN 12.0 4.4 4.6 6.2 7.2 8.1 9.3 10.2
THIS LONG-RANGE PROBABILISTIC OUTLOOK CONTAINS FORECAST VALUES THAT
ARE CALCULATED USING MULTIPLE SEASON SCENARIOS FROM 30 OR MORE
YEARS OF CLIMATOLOGICAL DATA INCLUDING CURRENT CONDITIONS OF THE
RIVER... SOIL MOISTURE... SNOW MELT AND 30 TO 90 DAY LONG-RANGE
OUTLOOKS OF TEMPERATURE AND PRECIPITATION. BY PROVIDING THE COMPLETE
RANGE OF PROBABILITIES... THE LEVEL OF RISK ASSOCIATED WITH LONG
RANGE PLANNING DECISIONS CAN BE DETERMINED.
THESE PROBABILISTIC FORECASTS ARE A PART OF NOAA NATIONAL WEATHER
SERVICES ADVANCED HYDROLOGIC PREDICTION SERVICE. ADDITIONAL SUPPORTIVE
DATA AND EXPLANATIONS ARE AVAILABLE ON THE INTERNET AT
WWW.WEATHER.GOV/IWX INTERNET ADDRESSES ARE ALL IN LOWER CASE LETTERS.
AHPS CAN BE FOUND UNDER CURRENT CONDITIONS/LAKES AND RIVERS AHPS.
...SNOW COVER/SOIL MOISTURE CONDITIONS...
VERY LITTLE IN THE WAY OF SNOW COVER EXISTS ACROSS A LARGE PART OF
NORTHERN INDIANA AREA OF RESPONSIBILITY. THE EXCEPTION IS ACROSS THE
NORTHWESTERN PARTS OF THE AREA...ADJACENT TO LAKE MICHIGAN WHERE SNOW
DEPTHS UP TO 5 INCHES OR MORE ARE OBSERVED. MOST OF THE REST OF THE
AREA HAVE SNOW DEPTHS OF AN INCH OR LESS. LOCAL OBSERVATIONS
INDICATE FROST DEPTHS ARE ON THE ORDER OF 3 TO 4 INCHES.
...RIVER CONDITIONS...
RIVER CONDITIONS REMAIN AT OR SLIGHTLY BELOW NORMAL LEVELS. GIVEN THE
PERSISTENT DROUGHT CONDITIONS OVER THE PAST YEAR...VERY LITTLE IN THE
WAY OF RIVER RISES HAVE OCCURRED THIS SEASON. A STORM SYSTEM CURRENTLY
OVER THE PLAINS STATES WILL MOVE ACROSS THE REGION FRIDAY AND SATURDAY
AND WILL BRING WITH IT RAIN...FREEZING RAIN AND SNOW. AT THIS TIME...
LIQUID EQUIVALENT AMOUNTS ARE EXPECTED TO BE LESS THAN A HALF INCH.
...WEATHER OUTLOOK...
THE LARGE SYSTEM OVER THE PLAINS WILL EXIT THE AREA DURING THE WEEKEND.
THE LATEST THREE MONTH OUTLOOKS VALID THROUGH THE END OF MAY INDICATE
A 40 TO 50 PERCENT OF ABOVE AVERAGE TEMPERATURES ACROSS THE ARE WHILE
THERE IS A GREATER THAN 40 PERCENT CHANCE OF ABOVE NORMAL PRECIPITATION
THROUGH THE PERIOD.
...FLOOD TERMINOLOGY...
THE TERM MINOR FLOODING IS USED TO INDICATE MINIMAL OR NO PROPERTY
DAMAGE. HOWEVER...SOME PUBLIC INCONVENIENCE IS POSSIBLE.
THE TERM MODERATE FLOODING IS USED TO INDICATE THE INUNDATION OF
SECONDARY ROADS. TRANSFER TO A HIGHER ELEVATIONS MAY BE NECESSARY
TO SAVE PROPERTY.
THE TERM MAJOR FLOODING IS USED TO INDICATE EXTENSIVE INUNDATION AND
PROPERTY DAMAGE USUALLY CHARACTERIZED BY THE EVACUATION OF PEOPLE
AND LIVESTOCK AND CLOSURE OF BOTH PRIMARY AND SECONDARY ROADS.
LONG-RANGE PROBABILISTIC OUTLOOKS WILL BE ISSUED MONTHLY AND UPDATED
AS NEEDED FOR THE MAUMEE AND UPPER WABASH RIVER BASINS.