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000
NOUS43 KIND 021746
PNSIND
INZ021-028>031-035>049-051>057-060>065-067>072-033300-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
146 PM EST JUN 2 2013

...CENTRAL INDIANA CLIMATE SUMMARY FOR MAY 2013...

MAY 2013 WAS THE 34TH WARMEST ON RECORD AT INDIANAPOLIS. IT WAS ALSO
THE 60TH DRIEST.

TEMPERATURES...

AFTER A WARM START TO THE MONTH...A SLOW MOVING UPPER LEVEL LOW
MOVED ACROSS THE REGION WITH HIGHS FALLING BACK INTO THE UPPER 50S
INTO THE 60S FROM THE 4TH THROUGH THE 6TH. TEMPERATURES RECOVERED TO
NEAR TO ABOVE NORMAL VALUES IN THE DAYS THAT FOLLOWED...WITH HIGHS
PEAKING AROUND 80 DEGREES ON THE 9TH AHEAD OF A COLD FRONT. IN WAKE
OF THE FRONTAL PASSAGE...HIGHS FELL BACK INTO THE UPPER 50S AND
LOWER 60S ACROSS MUCH OF CENTRAL INDIANA ON THE 11TH THROUGH THE
13TH. THE COLDEST LOWS WERE EXPERIENCED DURING THIS TIME PERIOD AS
WELL WITH MANY LOCATIONS EXPERIENCING FROSTY LOWS IN THE MID AND
UPPER 30S ON THE MORNINGS OF THE 12TH AND 13TH...WITH LAFAYETTE
DROPPING ALL THE WAY DOWN TO 31 DEGREES ON THE 13TH.

BROAD HIGH PRESSURE AND UPPER RIDGING EXPANDED INTO THE OHIO VALLEY
BEGINNING ON THE 14TH...BRINGING THE FIRST EXTENDED PERIOD OF HIGHS
IN THE 80S FOR THE HOOSIER STATE. THE PASSAGE OF A STRONG COLD FRONT
ON THE 22ND BROUGHT DAYTIME TEMPERATURES BACK DOWN INTO THE 60S
THROUGH MUCH OF THE MEMORIAL DAY WEEKEND AS COOL HIGH PRESSURE
TRACKED THROUGH THE GREAT LAKES AND OHIO VALLEY. MUCH WARMER
TEMPERATURES WITH HIGHS IN THE LOWER AND MIDDLE 80S RETURNED ON
MEMORIAL DAY AND CONTINUED THROUGH THE END OF THE MONTH AS SOUTH
SOUTHWEST FLOW DEVELOPED ON THE BACK SIDE OF THE DEPARTING HIGH
PRESSURE.

AT INDIANAPOLIS...THERE WERE 21 DAYS WITH ABOVE NORMAL AVERAGE
TEMPERATURES...9 DAYS WITH BELOW NORMAL AVERAGE TEMPERATURES AND 1
DAY WITH A NORMAL AVERAGE TEMPERATURE.

PRECIPITATION...

THE FIRST FOUR WEEKS OF MAY WERE RELATIVELY DRY FOR MOST OF THE
STATE. RAINFALL DURING THIS PERIOD RANGED FROM AROUND ONE HALF OF AN
INCH IN NORTHEAST SECTIONS TO OVER 7 INCHES IN SMALL AREAS OF
SOUTHWEST AND SOUTHEAST INDIANA. HOWEVER...CENTRAL AND SOUTHERN
INDIANA DRIED OUT SLOWLY IN MAY BECAUSE RAIN FREE PERIODS LASTED
ONLY 2 TO 3 DAYS. THE MONTH OF MAY ENDED WET WITH WIDESPREAD ONE TO
TWO INCHES OF RAINFALL OCCURRING ON THE LAST DAY OF THE MONTH.

MONTHLY RAINFALL TOTALS FOR MAY RANGED FROM AROUND AN INCH OR TWO IN
NORTHEAST INDIANA TO MORE THAN 8 INCHES IN PORTIONS OF SOUTHWEST
INDIANA. MOST AREAS RECEIVED BETWEEN 3 AND 5 INCHES OF RAINFALL.

FLOODING ALONG THE WABASH RIVER CAME TO A CLOSE AFTER FIVE WEEKS ON
THE 15TH. RAINFALL OF ONE HALF TO MORE THAN 2 INCHES FROM THE
AFTERNOON OF THE 8TH THROUGH THE MORNING OF THE 11TH IN CENTRAL AND
SOUTHERN INDIANA HAD PROLONGED FLOODING ALONG THE WABASH RIVER SOUTH
OF INTERSTATE 74. THE WHITE RIVER IN SOUTHWEST INDIANA APPROACHED
FLOOD STAGE AS A RESULT OF THIS RAIN.

RIVER LEVELS ALONG THE WABASH REMAINED AT NORMAL LEVELS FOR ABOUT A
WEEK BEFORE RISING AGAIN. RAINFALL OF ONE TO MORE THAN THREE INCHES
IN NORTHERN INDIANA FROM THE 25TH THROUGH THE 27TH CAUSED BANKFULL
CONDITIONS ON THE TIPPECANOE RIVER DOWNSTREAM OF OAKDALE DAM AND
ALONG THE WABASH FROM LAFAYETTE TO VINCENNES. THUNDERSTORMS PRODUCED
ONE TO TWO INCHES OF RAINFALL ACROSS THE WABASH VALLEY EARLY ON THE
MORNING OF THE 31ST WHICH CONTRIBUTED TO ADDITIONAL LOWLAND RIVER
FLOODING ALONG THE WABASH AND LOWER WHITE RIVERS.

SEVERE WEATHER...

MUCH OF MAY WAS QUIET IN TERMS OF SEVERE WEATHER ACROSS CENTRAL
INDIANA. A FEW SEVERE THUNDERSTORMS DEVELOPED ON THE EVENING OF THE
9TH AHEAD OF AN APPROACHING LOW PRESSURE. TWO BRIEF EF ZERO
TORNADOES OCCURRED IN VIGO COUNTY...THE FIRST TO THE SOUTH OF TERRE
HAUTE AND THE SECOND NEAR THE TOWN OF RILEY. SEVERAL TREES WERE
KNOCKED OVER AND A SHED SUSTAINED DAMAGE IN THE TORNADO NEAR RILEY.
ADDITIONAL REPORTS OF TREES BLOWN DOWN AND SMALL HAIL OCCURRED
FURTHER EAST ACROSS BARTHOLOMEW AND DECATUR COUNTIES. FOR MORE
INFORMATION ON THE MAY 9 TORNADOES IN VIGO COUNTY...PLEASE VISIT
HTTP://WWW.CRH.NOAA.GOV/NEWS/DISPLAY_CMSSTORY.PHP?WFO=IND&STORYID
=94530&SOURCE=2

THE LARGEST SEVERE WEATHER EVENT OF THE MONTH OCCURRED DURING THE
LATE EVENING OF THE 20TH AND EARLY MORNING OF THE 21ST. A LINE OF
SEVERE THUNDERSTORMS DEVELOPED TO THE WEST OF THE REGION AHEAD OF A
COLD FRONT DURING THE EVENING. THE STORMS MAINTAINED THEIR INTENSITY
AS THEY MOVED ACROSS CENTRAL INDIANA AFTER MIDNIGHT ON THE
21ST...PRODUCING WIND DAMAGE THROUGHOUT THE AREA. TWO EF ZERO
TORNADOES OCCURRED ALONG THE LINE OF STORMS TO THE WEST OF
INDIANAPOLIS. THE FIRST TORNADO OCCURRED NEAR ROACHDALE IN PUTNAM
COUNTY WITH THE SECOND TORNADO OCCURRING NEAR NORTH SALEM IN
HENDRICKS COUNTY. BOTH TORNADOES HAD PEAK WINDS OF 85 MPH. DAMAGE TO
A BARN AND HOME OCCURRED WITH THE TORNADO NEAR NORTH SALEM.
ADDITIONAL DAMAGE IN SOUTHWEST HENDRICKS COUNTY NEAR HAZELWOOD
OFFERED EVIDENCE OF A MICROBURST. FOR MORE INFORMATION ON THE MAY
21ST TORNADOES...PLEASE VISIT
HTTP://WWW.CRH.NOAA.GOV/IND/?N=MAY212013TORS.

ISOLATED THUNDERSTORMS ON THE AFTERNOON OF THE 27TH DEVELOPED IN THE
VICINITY OF A WARM FRONT OVER NORTHERN PORTIONS OF CENTRAL INDIANA.
GUSTY WINDS ASSOCIATED WITH ONE OF THE STORMS AS IT MOVED ACROSS
MADISON COUNTY TOOK DOWN TREES...POWER POLES AND POWER LINES. THE
TOWNS OF ELWOOD...FRANKTON AND ALEXANDRIA WERE IMPACTED.

FOR INFORMATION ON SEVERE WEATHER IN OTHER AREAS DURING MAY...VISIT
THE STORM PREDICTION CENTERS SEVERE WEATHER EVENT SUMMARIES WEBSITE
AT HTTP://WWW.SPC.NOAA.GOV/CLIMO/ONLINE/.

MISCELLANEOUS...

THE MAXIMUM WIND GUST AT INDIANAPOLIS INTERNATIONAL AIRPORT WAS 55
MPH OUT OF THE WEST IN THE EARLY MORNING OF THE 21ST AS A LINE OF
THUNDERSTORMS MOVED THROUGH THE AREA. FOG OR HAZE WAS REPORTED AT
INDIANAPOLIS ON 18 DAYS DURING THE MONTH. THUNDER WAS REPORTED ON 8
DAYS DURING THE MONTH.

JUNE 2013 OUTLOOK...

THE OFFICIAL OUTLOOK FOR JUNE 2013 FROM THE CLIMATE PREDICTION
CENTER INDICATES AN EQUAL CHANCE OF ABOVE NORMAL...NORMAL OR BELOW
NORMAL TEMPERATURES FOR CENTRAL INDIANA. AT INDIANAPOLIS...THE
AVERAGE TEMPERATURE FOR THE MONTH IS 72.0 DEGREES. THE OUTLOOK ALSO
CALLS FOR AN EQUAL CHANCE OF ABOVE NORMAL...NORMAL OR BELOW NORMAL
PRECIPITATION. THE AVERAGE PRECIPITATION FOR JUNE AT INDIANAPOLIS IS
4.25 INCHES.

$$

LEE