Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 180, NWS Indianapolis, IN

July 27, 2012Lawrence County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 27, 2012, 5:52 PM EDT for Lawrence County, Indiana. It was in force for 38 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 27, 2012, 5:52 PM EDT (21:52 UTC)
Expired: Jul 27, 2012, 6:30 PM EDT
In force: 38 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Lawrence County, IN

The radar

The Indianapolis radar (KIND), 96 km from the middle of the area, began a volume at 21:55 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.

What was reported inside it

Time	Report	Where	Remark
Jul 27, 6:05 PM EDT	TSTM WND GST 60	Bedford, IN
Jul 27, 6:05 PM EDT	HAIL 1	Bedford, IN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 27, 2:43 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 230 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: 970 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1296 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

921 
WUUS53 KIND 272152
SVRIND
INC093-272230-
/O.NEW.KIND.SV.W.0180.120727T2152Z-120727T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
552 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 630 PM EDT

* AT 551 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 5 MILES
  NORTHWEST OF BEDFORD...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BEDFORD...
  BARTLETTSVILLE...
  MITCHELL...
  TUNNELTON...
  SPRING MILL STATE PARK...
  HELTONVILLE...

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.

&&

LAT...LON 3873 8657 3886 8668 3896 8668 3899 8662
      3899 8644 3898 8628 3884 8628 3869 8634
TIME...MOT...LOC 2152Z 277DEG 36KT 3892 8653
WIND...HAIL 60MPH 1.00IN

$$

TDUD

1 follow-up statement

173 
WWUS53 KIND 272204
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
604 PM EDT FRI JUL 27 2012

INC093-272230-
/O.CON.KIND.SV.W.0180.000000T0000Z-120727T2230Z/
LAWRENCE-
604 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
LAWRENCE COUNTY UNTIL 630 PM EDT...

AT 600 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 NEAR
BEDFORD...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN LAWRENCE COUNTY.

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.

&&

LAT...LON 3873 8633 3881 8652 3888 8658 3894 8653
      3898 8652 3899 8644 3898 8628 3884 8628
TIME...MOT...LOC 2204Z 277DEG 36KT 3890 8638
WIND...HAIL 60MPH 1.00IN

$$

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 1:15 PM EDT	Special Weather Statement	IND	Putnam	30 min
Jul 27, 2:16 PM EDT	Special Weather Statement	IND	Marion	29 min
Jul 27, 2:22 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison, Marion	23 min
Jul 27, 2:45 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hancock, Henry, Madison	30 min
Jul 27, 2:49 PM EDT	Severe Thunderstorm Warning	IND	Clay, Parke, Putnam, Vigo	26 min
Jul 27, 3:13 PM EDT	Severe Thunderstorm Warning	IND	Clay, Hendricks, Morgan, Parke, Putnam	47 min
Jul 27, 3:40 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hendricks, Johnson, Marion, Morgan	50 min
Jul 27, 3:42 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur	35 min
Jul 27, 4:08 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe	52 min
Jul 27, 4:08 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison, Tipton	37 min
Jul 27, 4:16 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hancock, Madison, Marion	29 min
Jul 27, 4:28 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Monroe	47 min
Jul 27, 4:36 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Rush, Shelby	24 min
Jul 27, 4:38 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence	37 min
Jul 27, 4:51 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson	39 min
Jul 27, 5:05 PM EDT	Special Weather Statement	IND	Marion	25 min
Jul 27, 5:19 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Marion, Shelby	26 min
Jul 27, 5:21 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Monroe	24 min
Jul 27, 5:41 PM EDT	Severe Thunderstorm Warning	IND	Jennings	14 min
Jul 27, 6:16 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Lawrence	29 min
Jul 27, 6:30 PM EDT	Severe Thunderstorm Warning	IND	Lawrence	45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.