Alert archive / Indiana / Special Weather Statements in 2011

Special Weather Statement, NWS Indianapolis, IN

April 15, 2011Montgomery County, Owen County, Putnam County, Indiana

NWS Indianapolis, IN issued this special weather statement at Apr 15, 2011, 10:36 PM EDT for Montgomery County, Owen County, Putnam County, Indiana. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 15, 2011, 10:36 PM EDT (02:36 UTC)
Expired
Apr 15, 2011, 11:15 PM EDT
In force
39 min
Issued by
NWS Indianapolis, IN

Counties Montgomery County, IN, Owen County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 54 km from the middle of the area, began a volume at 02:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.6 hours before the alert went out and 150 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2011-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 649 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2011-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
649 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
756 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this special weather statement went out at Apr 15, 10:32 PM EDT, 4 minutes earlier.

Area forecast discussion, Apr 15, 10:32 PM EDT, 4 minutes before
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Hazardous weather outlook, Apr 15, 9:00 PM EDT, 1 hour 36 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
900 PM EDT FRI APR 15 2011

INZ043>045-051>055-060>064-072-161000-
VERMILLION-PARKE-PUTNAM-VIGO-CLAY-OWEN-MORGAN-JOHNSON-SULLIVAN-
GREENE-MONROE-BROWN-BARTHOLOMEW-JENNINGS-
900 PM EDT FRI APR 15 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON AND TONIGHT. SOME
OF THESE STORMS MAY BE SEVERE...WITH DAMAGING WINDS...LARGE
HAIL...AND ISOLATED TORNADOES THE PRIMARY THREATS. HEAVY RAINFALL
FROM THESE STORMS MAY ALSO LEAD TO FLOODING. THE BEST CHANCES FOR
SEVERE WEATHER WILL BE BETWEEN 600 PM AND MIDNIGHT.

GUSTY WINDS TO 30 MPH CAN BE EXPECTED ACROSS THE AREA THROUGH THE
EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THE CHANCE FOR THUNDERSTORMS RETURNS ON MONDAY NIGHT AND CONTINUES
THROUGH WEDNESDAY. LIGHTNING IS A THREAT FROM ANY THUNDERSTORM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

INZ021-028>031-035>042-046>049-056-057-065-161000-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-HENDRICKS-MARION-
HANCOCK-HENRY-SHELBY-RUSH-DECATUR-
900 PM EDT FRI APR 15 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON AND TONIGHT. WHILE
WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...AN ISOLATED SEVERE
STORM CANNOT BE RULED OUT. THE PRIMARY THREAT WITH THE
THUNDERSTORMS WILL BE HEAVY RAIN WHICH COULD LEAD TO FLOODING.
THE BEST CHANCES FOR ANY SEVERE WEATHER WILL BE BETWEEN 600 PM AND
MIDNIGHT.

GUSTY WINDS TO 30 MPH CAN BE EXPECTED ACROSS THE AREA THROUGH THE
EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THE CHANCE FOR THUNDERSTORMS RETURNS ON MONDAY NIGHT AND
CONTINUES INTO WEDNESDAY. LIGHTNING IS A THREAT FROM ANY THUNDERSTORM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

INZ067>071-161000-
KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-
900 PM EDT FRI APR 15 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT. SOME OF THESE STORMS
MAY BE SEVERE...WITH DAMAGING WINDS...LARGE HAIL...AND ISOLATED
TORNADOES THE PRIMARY THREATS. HEAVY RAINFALL FROM THESE STORMS
MAY ALSO LEAD TO FLOODING. THE BEST CHANCES FOR SEVERE WEATHER
WILL BE BETWEEN 600 PM AND MIDNIGHT.

GUSTY WINDS TO 30 MPH CAN BE EXPECTED ACROSS THE AREA THROUGH THE
NIGHT.

LOWLAND FLOODING IS EXPECTED ALONG PORTIONS OF THE WHITE...EAST
FORK OF THE WHITE...WABASH...AND MUSCATATUCK RIVERS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THE CHANCE FOR THUNDERSTORMS RETURNS FROM MONDAY NIGHT THROUGH
WEDNESDAY. LIGHTNING IS A THREAT FROM ANY THUNDERSTORM.

LOWLAND FLOODING IS EXPECTED ALONG PORTIONS OF THE WHITE...EAST
FORK OF THE WHITE...WABASH...AND MUSCATATUCK RIVERS THROUGH EARLY
NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

KOCH

In the hours before

Special weather statement, Apr 15, 6:10 PM EDT, 4 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
610 PM EDT FRI APR 15 2011

INZ021-028>031-035>049-051>057-060>065-067>072-160100-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
610 PM EDT FRI APR 15 2011

...STRONG WIND GUSTS POSSIBLE THIS EVENING...

WINDS MAY GUST TO 40 TO 45 MPH THIS EVENING AS STRONG LOW PRESSURE
APPROACHES THE REGION FROM THE WEST. THIS WILL LIKELY BLOW AROUND
LOOSE OBJECTS AND CREATE DIFFICULT DRIVING CONDITIONS FOR HIGH
PROFILE VEHICLES. USE CAUTION IF DRIVING THIS EVENING.

A DEVELOPING LINE OF THUNDERSTORMS ALONG THE MISSISSIPPI RIVER AT
6 PM WILL LIFT NORTHEAST THROUGH THE EVENING...AND WILL IMPACT THE
WABASH VALLEY AND SOUTHWEST INDIANA AFTER 8 PM. STRONGER WIND
GUSTS ARE POSSIBLE WITH THIS LINE OF THUNDERSTORMS.

RYAN
Special weather statement, Apr 15, 8:47 PM EDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
847 PM EDT FRI APR 15 2011

INZ051-060-067-068-160145-
DAVIESS-KNOX-SULLIVAN-VIGO-
847 PM EDT FRI APR 15 2011

...STRONG THUNDERSTORM ADVISORY FOR WESTERN DAVIESS...KNOX...SULLIVAN
AND WESTERN VIGO COUNTIES UNTIL 945 PM EDT/845 PM CDT/...

AT 842 PM EDT/742 PM CDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 11
MILES WEST OF HARDINVILLE TO 35 MILES SOUTH OF PRINCETON...AND MOVING
NORTHEAST AT 40 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH FREQUENT DANGEROUS LIGHTNING.

THESE STORMS WILL BE NEAR...
DECKER AROUND 920 PM EDT...
VINCENNES UNIVERSITY AND VINCENNES AROUND 925 PM EDT...
MEROM AROUND 930 PM EDT...
TURTLE CREEK RESERVOIR AND GRAYSVILLE AROUND 935 PM EDT...
PRAIRIE CREEK...FAIRBANKS...OAKTOWN...MONROE CITY AND BRUCEVILLE
AROUND 940 PM EDT...
CARLISLE...WHEATLAND AND PAXTON AROUND 945 PM EDT...

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3847 8776 3851 8766 3855 8768 3864 8763
      3874 8751 3886 8756 3896 8754 3899 8759
      3906 8759 3915 8767 3922 8759 3931 8763
      3936 8754 3951 8755 3960 8744 3946 8735
      3855 8721 3853 8748 3849 8750 3841 8774
TIME...MOT...LOC 0047Z 221DEG 33KT 3900 8799 3789 8764

RYAN
Special weather statement, Apr 15, 9:49 PM EDT, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
949 PM EDT FRI APR 15 2011

INZ051>053-060-061-067-068-160230-
CLAY-DAVIESS-GREENE-KNOX-OWEN-SULLIVAN-VIGO-
949 PM EDT FRI APR 15 2011

...STRONG THUNDERSTORM ADVISORY FOR DAVIESS...EASTERN KNOX...
GREENE...EASTERN SULLIVAN...WESTERN OWEN...CLAY AND SOUTHERN VIGO
COUNTIES UNTIL 1030 PM EDT...

AT 947 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES SOUTH OF
TERRE HAUTE TO 6 MILES SOUTHWEST OF LINTON TO 6 MILES NORTHEAST OF
PETERSBURG...AND MOVING NORTHEAST AT 55 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH FREQUENT DANGEROUS LIGHTNING.

THESE STORMS WILL BE NEAR...
VICKSBURG...COALMONT...WASHINGTON...SANDBORN...PLAINVILLE...LINTON
AND JASONVILLE AROUND 955 PM EDT...
RILEY...MONTGOMERY AND CANNELBURG AROUND 1000 PM EDT...
CORY...SWITZ CITY...SEELYVILLE AND LYONS AROUND 1005 PM EDT...

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3891 8730 3933 8754 3961 8717 3960 8705
      3956 8702 3947 8703 3946 8698 3908 8678
      3890 8686 3890 8692 3884 8692 3852 8702
      3855 8720 3854 8725 3852 8729
TIME...MOT...LOC 0149Z 214DEG 46KT 3935 8741 3900 8722
          3859 8721

RYAN
Special weather statement, Apr 15, 10:11 PM EDT, 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1011 PM EDT FRI APR 15 2011

INZ035-043-044-051-160300-
FOUNTAIN-PARKE-VERMILLION-VIGO-
1011 PM EDT FRI APR 15 2011

...STRONG THUNDERSTORM ADVISORY FOR NORTHERN
VIGO...PARKE...VERMILLION AND SOUTHERN FOUNTAIN COUNTIES UNTIL 1100
PM EDT...

AT 1008 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM WESTVILLE TO 8
MILES NORTHEAST OF TERRE HAUTE...AND MOVING NORTHEAST AT 40 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 45 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN.

THESE STORMS WILL BE NEAR...
LODI AND GESSIE AROUND 1020 PM EDT...
ROCKVILLE...PERRYSVILLE AND BLOOMINGDALE AROUND 1025 PM EDT...
TURKEY RUN STATE PARK...MARSHALL...KINGMAN AND COVINGTON AROUND 1030
PM EDT...
YEDDO AND JUDSON AROUND 1035 PM EDT...
WALLACE AND VEEDERSBURG AROUND 1040 PM EDT...

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 4010 8754 4021 8727 3995 8710 3988 8710
      3987 8705 3983 8702 3949 8739 3973 8754
TIME...MOT...LOC 0211Z 228DEG 33KT 4005 8759 3958 8726

RYAN
Special weather statement, Apr 15, 10:30 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1030 PM EDT FRI APR 15 2011

INZ053-061-062-068>070-160315-
DAVIESS-GREENE-LAWRENCE-MARTIN-MONROE-OWEN-
1030 PM EDT FRI APR 15 2011

...STRONG THUNDERSTORM ADVISORY FOR EASTERN DAVIESS...MARTIN...
NORTHWESTERN LAWRENCE...EASTERN GREENE...WESTERN MONROE AND OWEN
COUNTIES UNTIL 1115 PM EDT...

AT 1026 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES SOUTHEAST OF
BRAZIL TO BLOOMFIELD TO 8 MILES NORTH OF JASPER...AND MOVING
NORTHEAST AT 50 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN.

THESE STORMS WILL BE NEAR...
SOLSBERRY...MCCORMICKS CREEK STATE PARK...LACY...INDIAN SPRINGS...
SPENCER AND SHOALS AROUND 1040 PM EDT...
OWENSBURG AND DEVORE AROUND 1045 PM EDT...
SILVERVILLE...HURON...STINESVILLE AND GOSPORT AROUND 1050 PM EDT...
WILLIAMS AND SPRINGVILLE AROUND 1055 PM EDT...

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 3901 8696 3927 8707 3935 8698 3935 8695
      3936 8696 3946 8683 3944 8665 3933 8664
      3933 8660 3891 8638 3868 8664 3867 8669
      3852 8670 3852 8684 3849 8689 3849 8697
TIME...MOT...LOC 0230Z 220DEG 41KT 3948 8701 3911 8684
          3854 8688

RYAN
Special weather statement, Apr 15, 10:36 PM EDT, 0 minutes before
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The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 8:47 PM EDTSpecial Weather StatementINDKnox, Sullivan, Vigo58 min
Apr 15, 9:49 PM EDTSpecial Weather StatementINDClay, Daviess, Greene, Vigo41 min
Apr 15, 10:11 PM EDTSpecial Weather StatementINDFountain, Parke, Vermillion49 min
Apr 15, 10:30 PM EDTSpecial Weather StatementINDLawrence, Martin, Monroe, Owen45 min
Apr 15, 11:17 PM EDTSpecial Weather StatementINDBrown, Jackson, Johnson, Lawrence, Monroe, Morgan43 min
Apr 15, 11:43 PM EDTSpecial Weather StatementINDHamilton, Hendricks, Marion47 min
Apr 16, 12:05 AM EDTSpecial Weather StatementINDBartholomew, Brown, Jackson, Johnson, Shelby40 min

Nearby

Special Weather Statements in Indiana, 2011Every special weather statement in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.