Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 63, NWS Indianapolis, IN

April 19, 20114 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 19, 2011, 10:13 PM EDT for 4 counties in Indiana. It was in force for 47 min. 1 report 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: Apr 19, 2011, 10:13 PM EDT (02:13 UTC)
Expired: Apr 19, 2011, 11:00 PM EDT
In force: 47 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, IN, Owen County, IN, Putnam County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 93 km from the middle of the area, began a volume at 02:12 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
Apr 19, 10:31 PM EDT	HAIL 1	3 Ne Center Point, IN	HAIL AT MILE MARKER 27 EASTBOUND ON I-70 1 MILE SOUTHEAST OF ASHERVILLE INDIANA

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
Apr 19, 7:46 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.2 hours before the alert went out and 141 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: 2409 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 370 m²/s²
0-3 km storm-relative helicity: 547 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 24.4

Open this sounding in Storm Lab

The text

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

069 
WUUS53 KIND 200213
SVRIND
INC021-119-133-167-200300-
/O.NEW.KIND.SV.W.0063.110420T0213Z-110420T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1013 PM EDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLAY COUNTY IN WEST CENTRAL INDIANA...
  NORTHWESTERN OWEN COUNTY IN WEST CENTRAL INDIANA...
  SOUTHWESTERN PUTNAM COUNTY IN WEST CENTRAL INDIANA...
  SOUTHEASTERN VIGO COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 1100 PM EDT/1000 PM CDT/

* AT 1008 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
  TERRE HAUTE...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CORY AND STAUNTON AROUND 1020 PM EDT...
  SALINE CITY...BRAZIL...KNIGHTSVILLE AND HARMONY AROUND 1025 PM
  EDT...
  CENTER POINT AND CLAY CITY AROUND 1030 PM EDT...
  BOWLING GREEN AND REELSVILLE AROUND 1035 PM EDT...
  PATRICKSBURG AROUND 1040 PM EDT...
  CAGLES MILL LAKE AROUND 1045 PM EDT...
  DEVORE AND QUINCY AROUND 1055 PM EDT...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 5 AND 37.

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 3934 8756 3952 8738 3961 8705 3945 8668
      3928 8703 3925 8740 3926 8759
TIME...MOT...LOC 0213Z 281DEG 33KT 3941 8727
WIND...HAIL 60MPH 1.00IN

$$
JK

2 follow-up statements

832 
WWUS53 KIND 200238
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1038 PM EDT TUE APR 19 2011

INC021-119-133-167-200300-
/O.CON.KIND.SV.W.0063.000000T0000Z-110420T0300Z/
CLAY-OWEN-PUTNAM-VIGO-
1038 PM EDT TUE APR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
OWEN...CLAY...SOUTHEASTERN VIGO AND SOUTHWESTERN PUTNAM COUNTIES
UNTIL 1100 PM EDT/1000 PM CDT/...

AT 1031 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS LOCATED 5 
MILES SOUTH OF BRAZIL...OR ABOUT 20 MILES EAST OF TERRE 
HAUTE...MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CAGLES MILL LAKE AROUND 1045 PM EDT...
  DEVORE AND QUINCY AROUND 1055 PM EDT...

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 3934 8756 3952 8738 3961 8705 3945 8668
      3928 8703 3925 8740 3926 8759
TIME...MOT...LOC 0237Z 281DEG 33KT 3937 8699
WIND...HAIL <50MPH 1.00IN

$$

JK

655 
WWUS53 KIND 200244
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1044 PM EDT TUE APR 19 2011

INC167-200253-
/O.CAN.KIND.SV.W.0063.000000T0000Z-110420T0300Z/
VIGO-
1044 PM EDT TUE APR 19 2011

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

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

LAT...LON 3951 8722 3954 8722 3961 8705 3945 8668
      3928 8703 3951 8723
TIME...MOT...LOC 0243Z 281DEG 33KT 3936 8692

$$

INC021-119-133-200300-
/O.CON.KIND.SV.W.0063.000000T0000Z-110420T0300Z/
CLAY-OWEN-PUTNAM-
1044 PM EDT TUE APR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
OWEN...NORTHERN CLAY AND SOUTHWESTERN PUTNAM COUNTIES UNTIL 1100 PM
EDT...

AT 1035 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS LOCATED 6
MILES EAST OF BRAZIL...OR 25 MILES EAST OF TERRE HAUTE...MOVING
EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  DEVORE AROUND 1055 PM EDT...
  QUINCY AROUND 1100 PM EDT...

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 3951 8722 3954 8722 3961 8705 3945 8668
      3928 8703 3951 8723
TIME...MOT...LOC 0243Z 281DEG 33KT 3936 8692
WIND...HAIL <50MPH 1.00IN

$$

JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 8:54 PM EDT	Tornado Warning	IND	Fountain, Parke, Vermillion, Warren	51 min
Apr 19, 9:16 PM EDT	Tornado Warning	IND	Clay, Owen, Putnam, Vigo	59 min
Apr 19, 9:31 PM EDT	Tornado Warning	IND	Boone, Carroll, Clinton, Hendricks, Montgomery, Putnam and 1 more	44 min
Apr 19, 9:40 PM EDT	Severe Thunderstorm Warning	IND	Carroll	50 min
Apr 19, 9:55 PM EDT	Areal Flood Warning	IND	Clay, Parke, Vigo	15 hr
Apr 19, 10:07 PM EDT	Tornado Warning	IND	Boone, Clinton, Hamilton, Howard, Madison, Tipton	38 min
Apr 19, 10:15 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Hendricks, Marion, Shelby	45 min
Apr 19, 10:34 PM EDT	Flash Flood Warning	IND	Clay, Vigo	6 hr
Apr 19, 10:45 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Madison, Randolph	45 min
Apr 19, 10:53 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam, Sullivan, Vigo	37 min
Apr 19, 10:59 PM EDT	Severe Thunderstorm Warning	IND	Clay, Daviess, Greene, Knox, Martin, Owen and 1 more	61 min
Apr 19, 11:00 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush, Shelby	45 min
Apr 19, 11:01 PM EDT	Flash Flood Warning	IND	Hendricks, Morgan, Putnam	6 hr
Apr 19, 11:30 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam	45 min
Apr 19, 11:30 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	45 min
Apr 19, 11:40 PM EDT	Flash Flood Warning	IND	Hamilton, Hancock, Hendricks, Johnson, Madison, Marion and 1 more	6 hr
Apr 19, 11:44 PM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Jackson, Lawrence, Martin, Monroe and 2 more	31 min
Apr 19, 11:54 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	31 min
Apr 20, 12:13 AM EDT	Severe Thunderstorm Warning	IND	Johnson, Shelby	34 min
Apr 20, 12:16 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	44 min
Apr 20, 12:21 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings, Johnson, Lawrence and 3 more	4 hr
Apr 20, 12:25 AM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	40 min
Apr 20, 7:31 AM EDT	Areal Flood Warning	IND	Clay, Parke, Vigo	24 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2011 Every severe thunderstorm warning in 2011

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.