Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 209, NWS Indianapolis, IN

August 9, 2012Decatur County, Rush County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 9, 2012, 8:24 PM EDT for Decatur County, Rush County, Indiana. It was in force for 36 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: Aug 9, 2012, 8:24 PM EDT (00:24 UTC)
Expired: Aug 9, 2012, 9:00 PM EDT
In force: 36 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Decatur County, IN, Rush County, IN

The radar

The Indianapolis radar (KIND), 75 km from the middle of the area, began a volume at 00:24 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.4 hours before the alert went out and 145 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: 339 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

662 
WUUS53 KIND 100024
SVRIND
INC031-139-100100-
/O.NEW.KIND.SV.W.0209.120810T0024Z-120810T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
824 PM EDT THU AUG 9 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL DECATUR COUNTY IN CENTRAL INDIANA...
  SOUTH CENTRAL RUSH COUNTY IN CENTRAL INDIANA...

* UNTIL 900 PM EDT

* AT 824 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  NORTHWEST OF GREENSBURG...OR 14 MILES SOUTHEAST OF SHELBYVILLE...
  AND MOVING NORTHEAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOSCOW...
  SANDUSKY...
  MILROY...

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 125 AND 135.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3931 8550 3941 8563 3954 8552 3953 8542
      3943 8534
TIME...MOT...LOC 0025Z 228DEG 10KT 3941 8556
WIND...HAIL 60MPH 1.00IN

$$

MRD/MK

2 follow-up statements

602 
WWUS53 KIND 100039 RRA
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
839 PM EDT THU AUG 9 2012

INC031-139-100100-
/O.CON.KIND.SV.W.0209.000000T0000Z-120810T0100Z/
DECATUR-RUSH-
839 PM EDT THU AUG 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
DECATUR AND SOUTH CENTRAL RUSH COUNTIES UNTIL 900 PM EDT...

AT 837 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
NORTH OF GREENSBURG...OR 16 MILES SOUTHEAST OF SHELBYVILLE...MOVING
NORTHEAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  SANDUSKY...MILROY AND CLARKSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3931 8550 3941 8563 3951 8550 3951 8542
      3943 8534
TIME...MOT...LOC 0039Z 243DEG 9KT 3942 8551
WIND...HAIL 60MPH 1.00IN

$$

MRD/MK

365 
WWUS53 KIND 100059
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
859 PM EDT THU AUG 9 2012

INC031-139-100109-
/O.EXP.KIND.SV.W.0209.000000T0000Z-120810T0100Z/
DECATUR-RUSH-
859 PM EDT THU AUG 9 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DECATUR AND
SOUTH CENTRAL RUSH COUNTIES IS BEING REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 3931 8550 3941 8563 3951 8550 3951 8542
      3943 8534
TIME...MOT...LOC 0059Z 243DEG 9KT 3944 8545

$$

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 8:28 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks	32 min
Aug 9, 8:30 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Tippecanoe	30 min
Aug 9, 8:48 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Tippecanoe, Warren	42 min
Aug 9, 8:52 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Parke, Putnam	38 min
Aug 9, 8:55 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	35 min
Aug 9, 8:58 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Howard	47 min
Aug 9, 9:00 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	14 min
Aug 9, 9:06 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Tippecanoe	39 min
Aug 9, 9:26 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Tippecanoe, Warren	49 min
Aug 9, 9:28 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Hendricks, Johnson, Marion, Morgan, Shelby	47 min
Aug 9, 9:58 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Monroe, Morgan, Shelby	62 min
Aug 9, 10:16 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Montgomery, Tippecanoe	29 min
Aug 9, 10:21 PM EDT	Tornado Warning	IND	Johnson, Shelby	26 min
Aug 9, 10:32 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Rush, Shelby	43 min
Aug 9, 10:53 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Rush, Shelby	49 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every severe thunderstorm warning in 2012

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.