Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 67, NWS Indianapolis, IN

April 19, 20117 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 19, 2011, 10:59 PM EDT for 7 counties in Indiana. It was in force for 61 min. 9 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: Apr 19, 2011, 10:59 PM EDT (02:59 UTC)
Expired: Apr 20, 2011, 12:00 AM EDT
In force: 61 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, IN, Daviess County, IN, Greene County, IN, Knox County, IN, Martin County, IN, Owen County, IN, Sullivan County, IN

The radar

The Evansville,IN radar (KVWX), 53 km from the middle of the area, began a volume at 02:59 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, 11:03 PM EDT	TSTM WND DMG	10 Ssw Vincennes, IN	60 BY 100 FOOT BUILDING BLOWN AWAY ON S WABASH RIVER ROAD. HIGH TENSION LINES DOWNED. WINDOWS BLOWN IN OTHER STRUCTURE.
Apr 19, 11:14 PM EDT	TSTM WND GST 60	Vincennes, IN
Apr 19, 11:15 PM EDT	TSTM WND DMG	4 N Russellville, IN	A 60 BY 80 FOOT POLE BARN WAS DEMOLISHED BY HIGH WINDS A MILE WEST OF IL ROUTE 33.
Apr 19, 11:15 PM EDT	TSTM WND DMG	Bruceville, IN	ROOF BLOWN OFF STRUCTURE ON CAMP ARTHUR RD
Apr 19, 11:17 PM EDT	TSTM WND DMG	5 E Vincennes, IN	NUMEROUS TREES AND POWER LINES DOWN ACROSS THE COUNTY
Apr 19, 11:26 PM EDT	TSTM WND DMG	4 S Washington, IN	NUMEROUS TREES DOWN IN THE SEVEN CURVES AREA OF HIGHWAY 257. TREES ALSO DOWN AT CR 500 S AND HWY 257.
Apr 19, 11:29 PM EDT	TSTM WND DMG	Carlisle, IN	UTILITY LINES ARE DOWN. POWER OUT IN TOWN.
Apr 19, 11:35 PM EDT	TSTM WND GST 60	Loogootee, IN	MINOR DAMAGE TO MOBILE HOMES, RAILROAD SIGN SNAPPED
Apr 19, 11:50 PM EDT	TSTM WND GST 68	3 Se Odon, 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
Apr 19, 7:46 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.0 hours before the alert went out and 192 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.

516 
WUUS53 KIND 200259
SVRIND
INC021-027-055-083-101-119-153-200400-
/O.NEW.KIND.SV.W.0067.110420T0259Z-110420T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1059 PM EDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CLAY COUNTY IN WEST CENTRAL INDIANA...
  DAVIESS COUNTY IN SOUTHWEST INDIANA...
  GREENE COUNTY IN SOUTHWEST INDIANA...
  KNOX COUNTY IN SOUTHWEST INDIANA...
  WESTERN MARTIN COUNTY IN SOUTHWEST INDIANA...
  SOUTHWESTERN OWEN COUNTY IN WEST CENTRAL INDIANA...
  SULLIVAN COUNTY IN SOUTHWEST INDIANA...

* UNTIL MIDNIGHT EDT/1100 PM CDT/

* AT 949 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM HARDINVILLE TO MOUNT CARMEL...
  AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VINCENNES...
  SULLIVAN...
  WASHINGTON...
  LINTON...
  BLOOMFIELD...
  TURTLE CREEK RESERVOIR...
  VINCENNES UNIVERSITY...
  BICKNELL...
  FREELANDVILLE...
  HYMERA...

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 3847 8776 3851 8766 3855 8768 3860 8763
      3864 8763 3874 8751 3886 8756 3896 8754
      3899 8759 3906 8759 3911 8766 3928 8684
      3852 8682 3849 8697 3853 8711 3852 8716
      3855 8720 3851 8730 3853 8744 3841 8774
TIME...MOT...LOC 0257Z 269DEG 39KT 3897 8769 3847 8768
WIND...HAIL 60MPH 1.00IN

$$
JK

2 follow-up statements

659 
WWUS53 KIND 200324
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1124 PM EDT TUE APR 19 2011

INC021-027-055-083-101-119-153-200400-
/O.CON.KIND.SV.W.0067.000000T0000Z-110420T0400Z/
CLAY-DAVIESS-GREENE-KNOX-MARTIN-OWEN-SULLIVAN-
1124 PM EDT TUE APR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DAVIESS...
WESTERN MARTIN...KNOX...GREENE...SULLIVAN...SOUTHWESTERN OWEN AND
SOUTHWESTERN CLAY COUNTIES UNTIL MIDNIGHT EDT/1100 PM CDT/...

AT 1122 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM SULLIVAN TO 8 MILES SOUTH OF
WASHINGTON...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  WASHINGTON...LINTON...BLOOMFIELD...EDWARDSPORT...GLENDALE
  FISHERY...PLEASANTVILLE...PLAINVILLE...HYMERA...SANDBORN...
  DUGGER...MONTGOMERY...COALMONT...ALFORDSVILLE...CANNELBURG...
  VICKSBURG...ELNORA...JASONVILLE...LYONS...LOOGOOTEE AND ODON.

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.

&&

LAT...LON 3847 8776 3851 8766 3855 8768 3860 8763
      3864 8763 3874 8751 3886 8756 3896 8754
      3899 8759 3906 8759 3911 8766 3928 8684
      3852 8682 3849 8697 3853 8711 3852 8716
      3855 8720 3851 8730 3853 8744 3841 8774
TIME...MOT...LOC 0323Z 270DEG 37KT 3912 8741 3854 8712
WIND...HAIL 60MPH 1.00IN

$$
JH

887 
WWUS53 KIND 200349
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1149 PM EDT TUE APR 19 2011

INC083-153-200358-
/O.CAN.KIND.SV.W.0067.000000T0000Z-110420T0400Z/
KNOX-SULLIVAN-
1149 PM EDT TUE APR 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR KNOX AND SULLIVAN COUNTIES IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 3853 8711 3852 8716 3854 8719 3857 8719
      3853 8717 3855 8709 3881 8713 3889 8713
      3890 8711 3891 8713 3921 8715 3921 8716
      3928 8684 3852 8682 3849 8697
TIME...MOT...LOC 0348Z 270DEG 37KT 3912 8708 3854 8679

$$

INC021-027-055-101-119-200400-
/O.CON.KIND.SV.W.0067.000000T0000Z-110420T0400Z/
CLAY-DAVIESS-GREENE-MARTIN-OWEN-
1149 PM EDT TUE APR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
DAVIESS...WESTERN MARTIN...CENTRAL GREENE...SOUTHWESTERN OWEN AND
SOUTH CENTRAL CLAY COUNTIES UNTIL MIDNIGHT EDT...

AT 1145 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTH OF LINTON TO 9
MILES SOUTH OF SHOALS...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BLOOMFIELD...COAL CITY...BURNS CITY...CRANE...WORTHINGTON AND
  FREEDOM.

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.

&&

LAT...LON 3853 8711 3852 8716 3854 8719 3857 8719
      3853 8717 3855 8709 3881 8713 3889 8713
      3890 8711 3891 8713 3921 8715 3921 8716
      3928 8684 3852 8682 3849 8697
TIME...MOT...LOC 0348Z 270DEG 37KT 3912 8708 3854 8679
WIND...HAIL 60MPH 1.00IN

$$
JH

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, 10:13 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Putnam, Vigo	47 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, 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.