Alert archive / Indiana / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 109, NWS Indianapolis, IN

September 1, 2013Daviess County, Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Sep 1, 2013, 12:04 AM EDT for Daviess County, Knox County, Indiana. It was in force for 41 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: Sep 1, 2013, 12:04 AM EDT (04:04 UTC)
Expired: Sep 1, 2013, 12:45 AM EDT
In force: 41 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Daviess County, IN, Knox County, IN

The radar

The Evansville,IN radar (KVWX), 64 km from the middle of the area, began a volume at 04:05 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.

Issued	Product	Office	Lasted
Aug 31, 4:43 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.1 hours before the alert went out and 199 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3495 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

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 Aug 31, 10:30 PM EDT, 1 hour 34 minutes earlier.

Area forecast discussion, Aug 31, 10:30 PM EDT, 1 hour 34 minutes before

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Hazardous weather outlook, Aug 31, 9:44 PM EDT, 2 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
944 PM EDT SAT AUG 31 2013

INZ051>053-060>062-067>070-011000-
VIGO-CLAY-OWEN-SULLIVAN-GREENE-MONROE-KNOX-DAVIESS-MARTIN-
LAWRENCE-
944 PM EDT SAT AUG 31 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: THERE IS A SLIGHT RISK OF SEVERE WEATHER THIS EVENING.

HAZARDS: DAMAGING WINDS...LARGE HAIL...HEAVY RAIN...LOCALIZED
FLOODING AND DEADLY CLOUD TO GROUND LIGHTNING. WHEN THUNDER
ROARS...GO INDOORS.

TIMING: THIS EVENING.

DISCUSSION: A FRONT WILL LINGER ACROSS CENTRAL INDIANA...AND AN
UPPER WAVE WILL APPROACH FROM THE NORTHWEST. THESE TWO FEATURES
WILL INTERACT WITH A VERY MOIST AND UNSTABLE ATMOSPHERE AND RESULT
IN SCATTERED TO NUMEROUS THUNDERSTORMS TONIGHT. A FEW SEVERE
STORMS ARE POSSIBLE THROUGH THE EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

OUTLOOK: THUNDERSTORMS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT...WITH
SOME AREAS SEEING A CHANCE FOR STORMS ON MONDAY MORNING. SEVERE STORMS
ARE NOT EXPECTED...BUT SOME STRONG STORMS ARE POSSIBLE ON SUNDAY.
LIGHTNING IS A THREAT FROM ANY THUNDERSTORM.

IT WILL REMAIN HOT ON SUNDAY...WITH HEAT INDICES APPROACHING 100 IN
SOME AREAS.

DISCUSSION: HOT TEMPERATURES WILL CONTINUE UNTIL A COLD FRONT
MOVES THROUGH THE AREA SUNDAY NIGHT. UPPER LEVEL DISTURBANCES WILL
BRING A CHANCE OF STORMS SUNDAY BEFORE THE COLD FRONT ARRIVES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE THIS EVENING.

&&

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

INZ021-028>031-035>049-054>057-063>065-071-072-011000-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-MORGAN-JOHNSON-SHELBY-RUSH-
BROWN-BARTHOLOMEW-DECATUR-JACKSON-JENNINGS-
944 PM EDT SAT AUG 31 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: STRONG THUNDERSTORMS ARE POSSIBLE.

HAZARDS: GUSTY WINDS...SMALL HAIL...BRIEF HEAVY RAIN AND DEADLY CLOUD
TO GROUND LIGHTNING. WHEN THUNDER ROARS...GO INDOORS.

TIMING: TONIGHT.

DISCUSSION: A FRONT WILL LINGER ACROSS CENTRAL INDIANA...AND AN
UPPER WAVE WILL APPROACH FROM THE NORTHWEST. THESE TWO FEATURES
WILL INTERACT WITH A MOIST AND UNSTABLE ATMOSPHERE AND RESULT IN
SCATTERED TO NUMEROUS THUNDERSTORMS TONIGHT. A FEW STRONG STORMS
ARE POSSIBLE THROUGH THE EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

OUTLOOK: THUNDERSTORMS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT...WITH
SOME AREAS SEEING A CHANCE FOR STORMS ON MONDAY MORNING. SEVERE STORMS
ARE NOT EXPECTED...BUT SOME STRONG STORMS ARE POSSIBLE ON SUNDAY.
LIGHTNING IS A THREAT FROM ANY THUNDERSTORM.

IT WILL REMAIN HOT ON SUNDAY...WITH HEAT INDICES APPROACHING 100 IN
SOME AREAS.

DISCUSSION: HOT TEMPERATURES WILL CONTINUE UNTIL A COLD FRONT
MOVES THROUGH THE AREA SUNDAY NIGHT. UPPER LEVEL DISTURBANCES WILL
BRING A CHANCE OF STORMS SUNDAY BEFORE THE COLD FRONT ARRIVES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

&&

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

Local storm report, Aug 31, 7:16 PM EDT, 4 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
716 PM EDT SAT AUG 31 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0531 PM     HAIL             LADOGA                  39.92N  86.80W
08/31/2013  E0.25 INCH       MONTGOMERY         IN   TRAINED SPOTTER

0531 PM     TSTM WND GST     LADOGA                  39.92N  86.80W
08/31/2013  E50 MPH          MONTGOMERY         IN   TRAINED SPOTTER

&&

BHH

Local storm report, Aug 31, 7:26 PM EDT, 4 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
726 PM EDT SAT AUG 31 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0724 PM     TSTM WND DMG     NEWPORT                 39.88N  87.41W
08/31/2013                   VERMILLION         IN   LAW ENFORCEMENT

            TREES DOWN AND BLOCKING ROAD

&&

BHH

Local storm report, Aug 31, 7:30 PM EDT, 4 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
730 PM EDT SAT AUG 31 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1010 PM     HAIL             WEST LAFAYETTE          40.44N  86.91W
08/30/2013  E0.25 INCH       TIPPECANOE         IN   PUBLIC

0441 PM     HAIL             6 NE CLERMONT           39.88N  86.24W
08/31/2013  E0.25 INCH       MARION             IN   TRAINED SPOTTER

0513 PM     HAIL             PLAINFIELD              39.70N  86.39W
08/31/2013  E0.25 INCH       HENDRICKS          IN   NWS EMPLOYEE

0515 PM     HAIL             COVINGTON               40.14N  87.39W
08/31/2013  E0.25 INCH       FOUNTAIN           IN   TRAINED SPOTTER

0515 PM     HAIL             INDIANAPOLIS            39.78N  86.15W
08/31/2013  E0.88 INCH       MARION             IN   PUBLIC

            LOCATED AT RAYMOND AND FRANKLIN ROADS

0515 PM     HAIL             INDIANAPOLIS            39.78N  86.15W
08/31/2013  E0.88 INCH       MARION             IN   TRAINED SPOTTER

            50 MPH WINDS

0520 PM     HAIL             INDIANAPOLIS            39.78N  86.15W
08/31/2013  E0.50 INCH       MARION             IN   TRAINED SPOTTER

0530 PM     HAIL             CLERMONT                39.82N  86.32W
08/31/2013  E1.00 INCH       MARION             IN   PUBLIC

0531 PM     HAIL             LADOGA                  39.92N  86.80W
08/31/2013  E0.25 INCH       MONTGOMERY         IN   TRAINED SPOTTER

0531 PM     TSTM WND GST     LADOGA                  39.92N  86.80W
08/31/2013  E50 MPH          MONTGOMERY         IN   TRAINED SPOTTER

0554 PM     HEAVY RAIN       SPEEDWAY                39.79N  86.25W
08/31/2013  M1.73 INCH       MARION             IN   TRAINED SPOTTER

            RELAYED BY MEDIA. FLOODED STREETS.

0604 PM     HEAVY RAIN       1 SE CLERMONT           39.81N  86.31W
08/31/2013  E1.45 INCH       MARION             IN   PUBLIC

            21ST AND COUNTRY CLUB ON WEST SIDE OF
            INDIANAPOLIS...RELAYED BY MEDIA

0615 PM     HAIL             NORTH VERNON            39.01N  85.63W
08/31/2013  E0.25 INCH       JENNINGS           IN   TRAINED SPOTTER

            LASTED 5 MINUTES

0724 PM     TSTM WND DMG     NEWPORT                 39.88N  87.41W
08/31/2013                   VERMILLION         IN   LAW ENFORCEMENT

            TREES DOWN AND BLOCKING ROAD

&&

BHH

Local storm report, Aug 31, 7:44 PM EDT, 4 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
744 PM EDT SAT AUG 31 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0617 PM     TSTM WND DMG     ROACHDALE               39.85N  86.80W
08/31/2013                   PUTNAM             IN   EMERGENCY MNGR

            TREES AND POWER LINES DOWN

0617 PM     HAIL             ROACHDALE               39.85N  86.80W
08/31/2013  E0.70 INCH       PUTNAM             IN   EMERGENCY MNGR

            TREES AND POWER LINES DOWN

&&

BHH

Local storm report, Aug 31, 7:47 PM EDT, 4 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
747 PM EDT SAT AUG 31 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0617 PM     TSTM WND GST     ROACHDALE               39.85N  86.80W
08/31/2013  M60 MPH          PUTNAM             IN   EMERGENCY MNGR

&&

BHH

Local storm report, Aug 31, 10:52 PM EDT, 1 hour 12 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1052 PM EDT SAT AUG 31 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1010 PM     HAIL             WEST LAFAYETTE          40.44N  86.91W
08/30/2013  E0.25 INCH       TIPPECANOE         IN   PUBLIC

0441 PM     HAIL             6 NE CLERMONT           39.88N  86.24W
08/31/2013  E0.25 INCH       MARION             IN   TRAINED SPOTTER

0513 PM     HAIL             PLAINFIELD              39.70N  86.39W
08/31/2013  E0.25 INCH       HENDRICKS          IN   NWS EMPLOYEE

0515 PM     HAIL             COVINGTON               40.14N  87.39W
08/31/2013  E0.25 INCH       FOUNTAIN           IN   TRAINED SPOTTER

0515 PM     HAIL             INDIANAPOLIS            39.78N  86.15W
08/31/2013  E0.88 INCH       MARION             IN   PUBLIC

            LOCATED AT RAYMOND AND FRANKLIN ROADS

0515 PM     HAIL             INDIANAPOLIS            39.78N  86.15W
08/31/2013  E0.88 INCH       MARION             IN   TRAINED SPOTTER

            50 MPH WINDS

0520 PM     HAIL             INDIANAPOLIS            39.78N  86.15W
08/31/2013  E0.50 INCH       MARION             IN   TRAINED SPOTTER

0530 PM     HAIL             CLERMONT                39.82N  86.32W
08/31/2013  E1.00 INCH       MARION             IN   PUBLIC

0531 PM     HAIL             LADOGA                  39.92N  86.80W
08/31/2013  E0.25 INCH       MONTGOMERY         IN   TRAINED SPOTTER

0531 PM     TSTM WND GST     LADOGA                  39.92N  86.80W
08/31/2013  E50 MPH          MONTGOMERY         IN   TRAINED SPOTTER

0554 PM     HEAVY RAIN       SPEEDWAY                39.79N  86.25W
08/31/2013  M1.73 INCH       MARION             IN   TRAINED SPOTTER

            RELAYED BY MEDIA. FLOODED STREETS.

0604 PM     HEAVY RAIN       1 SE CLERMONT           39.81N  86.31W
08/31/2013  E1.45 INCH       MARION             IN   PUBLIC

            21ST AND COUNTRY CLUB ON WEST SIDE OF
            INDIANAPOLIS...RELAYED BY MEDIA

0615 PM     HAIL             NORTH VERNON            39.01N  85.63W
08/31/2013  E0.25 INCH       JENNINGS           IN   TRAINED SPOTTER

            LASTED 5 MINUTES

0617 PM     TSTM WND DMG     ROACHDALE               39.85N  86.80W
08/31/2013                   PUTNAM             IN   EMERGENCY MNGR

            TREES AND POWER LINES DOWN

0617 PM     HAIL             ROACHDALE               39.85N  86.80W
08/31/2013  E0.70 INCH       PUTNAM             IN   EMERGENCY MNGR

            TREES AND POWER LINES DOWN

0617 PM     TSTM WND GST     ROACHDALE               39.85N  86.80W
08/31/2013  M60 MPH          PUTNAM             IN   EMERGENCY MNGR

0724 PM     TSTM WND DMG     NEWPORT                 39.88N  87.41W
08/31/2013                   VERMILLION         IN   LAW ENFORCEMENT

            TREES DOWN AND BLOCKING ROAD

&&

BHH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 9:47 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Monroe	28 min
Aug 31, 10:17 PM EDT	Tornado Warning	IND	Martin	28 min
Sep 1, 2:11 AM EDT	Areal Flood Warning	IND	Daviess	6 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2013 Every severe thunderstorm warning in 2013

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.