Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 103, NWS Indianapolis, IN

May 1, 2012Jackson County, Jennings County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 1, 2012, 6:08 PM EDT for Jackson County, Jennings County, Indiana. It was in force for 26 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: May 1, 2012, 6:08 PM EDT (22:08 UTC)
Expired: May 1, 2012, 6:34 PM EDT
In force: 26 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Jackson County, IN, Jennings County, IN

The radar

The Louisville radar (KLVX), 100 km from the middle of the area, began a volume at 22:09 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
May 1, 3:01 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.1 hours before the alert went out and 174 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: 15 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 516 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

501 
WUUS53 KIND 012208
SVRIND
INC071-079-012245-
/O.NEW.KIND.SV.W.0103.120501T2208Z-120501T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
608 PM EDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHERN JENNINGS COUNTY IN SOUTHEAST INDIANA...

* UNTIL 645 PM EDT

* AT 603 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 9 MILES
  NORTHWEST OF SCOTTSBURG...OR 11 MILES SOUTH OF SEYMOUR...AND MOVING
  EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PARIS CROSSING...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 37 AND 46.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3873 8585 3879 8593 3890 8586 3904 8544
      3891 8544 3891 8553 3888 8553 3888 8557
      3885 8557 3885 8560 3882 8561 3881 8571
      3882 8573 3880 8579
TIME...MOT...LOC 2208Z 253DEG 35KT 3882 8581
WIND...HAIL 60MPH 1.00IN

$$

RYAN

3 follow-up statements

487 
WWUS53 KIND 012221
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
621 PM EDT TUE MAY 1 2012

INC071-079-012245-
/O.CON.KIND.SV.W.0103.000000T0000Z-120501T2245Z/
JACKSON-JENNINGS-
621 PM EDT TUE MAY 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
JACKSON AND SOUTHERN JENNINGS COUNTIES UNTIL 645 PM EDT...

AT 617 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 10 MILES
NORTH OF SCOTTSBURG...OR 12 MILES SOUTHEAST OF SEYMOUR...MOVING
NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  PARIS CROSSING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3873 8585 3885 8585 3904 8544 3891 8544
      3891 8553 3888 8553 3888 8557 3885 8557
      3885 8560 3882 8561 3881 8571 3882 8573
      3880 8579
TIME...MOT...LOC 2222Z 247DEG 36KT 3884 8569
WIND...HAIL 60MPH 1.00IN

$$

NIELD

871 
WWUS53 KIND 012228
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
628 PM EDT TUE MAY 1 2012

INC071-012238-
/O.CAN.KIND.SV.W.0103.000000T0000Z-120501T2245Z/
JACKSON-
628 PM EDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JACKSON COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

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

LAT...LON 3880 8579 3887 8578 3904 8544 3891 8544
      3891 8553 3888 8553 3888 8557 3885 8557
      3885 8560 3882 8561 3881 8571 3882 8573
TIME...MOT...LOC 2228Z 247DEG 36KT 3886 8561

$$

INC079-012245-
/O.CON.KIND.SV.W.0103.000000T0000Z-120501T2245Z/
JENNINGS-
628 PM EDT TUE MAY 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
JENNINGS COUNTY UNTIL 645 PM EDT...

AT 626 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 9 MILES
SOUTH OF VERNON...OR 15 MILES SOUTHEAST OF SEYMOUR...MOVING NORTHEAST
AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHEASTERN JENNINGS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3880 8579 3887 8578 3904 8544 3891 8544
      3891 8553 3888 8553 3888 8557 3885 8557
      3885 8560 3882 8561 3881 8571 3882 8573
TIME...MOT...LOC 2228Z 247DEG 36KT 3886 8561
WIND...HAIL 60MPH 1.00IN

$$

NIELD

618 
WWUS53 KIND 012234
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
634 PM EDT TUE MAY 1 2012

INC079-012244-
/O.CAN.KIND.SV.W.0103.000000T0000Z-120501T2245Z/
JENNINGS-
634 PM EDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN JENNINGS COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

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

LAT...LON 3880 8579 3887 8578 3904 8544 3891 8544
      3891 8553 3888 8553 3888 8557 3885 8557
      3885 8560 3882 8561 3881 8571 3882 8573
TIME...MOT...LOC 2234Z 247DEG 36KT 3879 8549

$$

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 6:02 AM EDT	Dense Fog Advisory	IND	Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 19 more	4 hr
May 1, 2:58 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan	47 min
May 1, 3:22 PM EDT	Tornado Warning	IND	Bartholomew, Brown	23 min
May 1, 3:42 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown	48 min
May 1, 3:54 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Rush, Shelby	36 min
May 1, 4:03 PM EDT	Areal Flood Advisory	IND	Hamilton, Hancock, Johnson, Madison, Marion, Morgan and 1 more	3 hr
May 1, 4:13 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Johnson, Marion, Rush, Shelby	47 min
May 1, 4:17 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Madison, Randolph	43 min
May 1, 4:20 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush, Shelby	25 min
May 1, 4:29 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Shelby	16 min
May 1, 4:48 PM EDT	Severe Thunderstorm Warning	IND	Henry, Rush	25 min
May 1, 4:51 PM EDT	Severe Thunderstorm Warning	IND	Randolph	39 min
May 1, 4:56 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Martin, Monroe	34 min
May 1, 5:20 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Morgan	40 min
May 1, 5:21 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Lawrence	24 min
May 1, 5:31 PM EDT	Tornado Warning	IND	Jackson, Lawrence	29 min
May 1, 5:32 PM EDT	Severe Thunderstorm Warning	IND	Morgan	21 min
May 1, 5:46 PM EDT	Severe Thunderstorm Warning	IND	Jackson	29 min
May 1, 6:16 PM EDT	Tornado Warning	IND	Fountain, Vermillion, Warren	44 min
May 1, 6:49 PM EDT	Tornado Warning	IND	Fountain, Montgomery	41 min
May 1, 6:57 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	36 min
May 1, 7:04 PM EDT	Severe Thunderstorm Warning	IND	Greene, Monroe, Owen	30 min
May 1, 7:07 PM EDT	Areal Flood Advisory	IND	Hendricks, Marion	5 hr
May 1, 7:08 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	28 min
May 1, 7:29 PM EDT	Tornado Warning	IND	Boone, Montgomery	46 min
May 1, 7:39 PM EDT	Severe Thunderstorm Warning	IND	Brown, Johnson, Monroe, Morgan	51 min
May 1, 7:54 PM EDT	Tornado Warning	IND	Brown	19 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.