Alert archive / Indiana / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 165, NWS Indianapolis, IN

July 15, 2010Fountain County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 15, 2010, 2:56 PM EDT for Fountain County, Indiana. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 15, 2010, 2:56 PM EDT (18:56 UTC)
Expired
Jul 15, 2010, 3:30 PM EDT
In force
34 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Fountain County, IN

The radar

The Indianapolis radar (KIND), 94 km from the middle of the area, began a volume at 18:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 15, 12:57 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.9 hours before the alert went out and 115 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 12:00Z on 2010-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3622 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 12:00Z on 2010-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 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
3622 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 15, 2:36 PM EDT, 20 minutes earlier.

Area forecast discussion, Jul 15, 2:36 PM EDT, 20 minutes before
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Hazardous weather outlook, Jul 15, 3:38 AM EDT, 11 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
338 AM EDT THU JUL 15 2010

INZ021-028>031-035>049-051>057-060>065-067>072-160745-
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-
338 AM EDT THU JUL 15 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT.

A HEAT ADVISORY IS IN EFFECT FROM 200 PM UNTIL 800 PM. HEAT INDEX
READINGS WILL REACH BETWEEN 100 AND 105 DURING THE LATE AFTERNOON
AND EVENING HOURS.

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AND TONIGHT. THE MAIN THREAT FROM ANY STORMS WILL BE
DAMAGING WINDS. LIGHTNING IS A THREAT FROM ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THUNDERSTORMS ARE POSSIBLE FRIDAY...THEN AGAIN LATE SUNDAY
THROUGH TUESDAY. IT IS TOO SON TO DETERMINE IF ANY STORMS WILL BE
SEVERE BUT LIGHTNING IS A THREAT WITH ANY THUNDERSTORM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE POSSIBLE THURSDAY EVENING.

&&

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

PUMA

In the hours before

Special weather statement, Jul 15, 1:36 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
136 PM EDT THU JUL 15 2010

INZ028-151815-
WARREN-
136 PM EDT THU JUL 15 2010

...STRONG THUNDERSTORM ADVISORY FOR NORTHERN WARREN COUNTY UNTIL 215
PM EDT...

AT 127 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR BOSWELL...OR 12 MILES SOUTH OF FOWLER...
MOVING EAST AT 15 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

THIS STORM WILL BE NEAR...
RAINSVILLE AROUND 145 PM EDT...
PINE VILLAGE AROUND 145 PM EDT...

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 4048 8752 4048 8710 4037 8711 4036 8714
      4036 8717 4033 8722 4037 8753
TIME...MOT...LOC 1736Z 276DEG 14KT 4045 8735

DRT
Special weather statement, Jul 15, 1:55 PM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
155 PM EDT THU JUL 15 2010

INZ028-029-151845-
TIPPECANOE-WARREN-
155 PM EDT THU JUL 15 2010

...STRONG THUNDERSTORM ADVISORY FOR NORTHEASTERN WARREN AND CENTRAL
TIPPECANOE COUNTIES UNTIL 245 PM EDT...

AT 151 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 13 MILES WEST OF LAFAYETTE...MOVING EAST AT 15
MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

THIS STORM WILL BE NEAR...
WEST LAFAYETTE AND PURDUE UNIVERSITY AROUND 230 PM EDT...
LAFAYETTE AROUND 240 PM EDT...
BATTLE GROUND AND DAYTON AROUND 245 PM EDT...

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 4031 8671 4036 8710 4038 8710 4037 8713
      4038 8723 4048 8721 4049 8711 4050 8711
      4055 8670
TIME...MOT...LOC 1755Z 276DEG 14KT 4046 8710

DRT
Special weather statement, Jul 15, 2:15 PM EDT, 41 minutes before
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Special weather statement, Jul 15, 2:36 PM EDT, 20 minutes before
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Special weather statement, Jul 15, 2:43 PM EDT, 13 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 1:36 PM EDTSpecial Weather StatementINDWarren39 min
Jul 15, 1:55 PM EDTSpecial Weather StatementINDTippecanoe50 min
Jul 15, 2:07 PM EDTAreal Flood WarningINDWarren4 hr
Jul 15, 2:36 PM EDTSpecial Weather StatementINDFountain, Warren39 min
Jul 15, 2:43 PM EDTSpecial Weather StatementINDClay, Parke, Vigo47 min
Jul 15, 3:11 PM EDTAreal Flood WarningINDClay, Vigo3 hr
Jul 15, 3:17 PM EDTSpecial Weather StatementINDMontgomery28 min
Jul 15, 3:20 PM EDTSpecial Weather StatementINDHendricks40 min
Jul 15, 3:29 PM EDTSpecial Weather StatementINDTipton31 min
Jul 15, 3:42 PM EDTAreal Flood WarningINDFountain, Vermillion, Warren3 hr
Jul 15, 3:58 PM EDTSpecial Weather StatementINDBoone, Hamilton, Madison, Tipton62 min
Jul 15, 4:40 PM EDTAreal Flood AdvisoryINDBoone, Hamilton, Montgomery2 hr
Jul 15, 4:53 PM EDTSpecial Weather StatementINDDelaware, Hamilton, Hancock, Henry, Madison, Marion67 min
Jul 15, 5:28 PM EDTAreal Flood AdvisoryINDDelaware, Hancock, Henry, Madison3 hr
Jul 15, 5:59 PM EDTAreal Flood WarningINDClay, Vigo3 hr
Jul 15, 6:25 PM EDTSpecial Weather StatementINDOwen50 min
Jul 15, 7:15 PM EDTSpecial Weather StatementINDMonroe45 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2010Every severe thunderstorm warning in 2010

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.