Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 55, NWS Indianapolis, IN

April 19, 2011Hendricks County, Marion County, Morgan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 19, 2011, 11:10 AM EDT for Hendricks County, Marion County, Morgan 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: Apr 19, 2011, 11:10 AM EDT (15:10 UTC)
Expired: Apr 19, 2011, 11:36 AM EDT
In force: 26 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hendricks County, IN, Marion County, IN, Morgan County, IN

The radar

The Indianapolis radar (KIND), 7 km from the middle of the area, began a volume at 15:10 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 12:00Z, 3.2 hours before the alert went out and 209 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 554 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 491 m²/s²
0-3 km storm-relative helicity: 609 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

852 
WUUS53 KIND 191510
SVRIND
INC063-097-109-191600-
/O.NEW.KIND.SV.W.0055.110419T1510Z-110419T1600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1110 AM EDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HENDRICKS COUNTY IN CENTRAL INDIANA...
  SOUTHERN MARION COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN MORGAN COUNTY IN CENTRAL INDIANA...

* UNTIL NOON EDT

* AT 1105 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES SOUTH OF DANVILLE...OR
  21 MILES WEST OF INDIANAPOLIS...AND MOVING EAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PLAINFIELD...CAMBY AND AVON AROUND 1115 AM EDT...
  INDIANAPOLIS INT'L AIRPORT AND SPEEDWAY AROUND 1120 AM EDT...
  MONUMENT CIRCLE...INDIANAPOLIS...HOMECROFT AND SOUTHPORT AROUND
  1125 AM EDT...
  BEECH GROVE AND WARREN PARK AROUND 1130 AM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 101 AND 116.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 56 AND 92.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 93 AND 99.

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 3964 8597 3963 8626 3961 8626 3959 8654
      3974 8655 3985 8597
TIME...MOT...LOC 1510Z 256DEG 50KT 3968 8643
WIND...HAIL 60MPH <.75IN

$$

KOCH

1 follow-up statement

926 
WWUS53 KIND 191536
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1136 AM EDT TUE APR 19 2011

INC063-097-109-191546-
/O.CAN.KIND.SV.W.0055.000000T0000Z-110419T1600Z/
HENDRICKS-MARION-MORGAN-
1136 AM EDT TUE APR 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MORGAN...
SOUTHEASTERN HENDRICKS AND SOUTHERN MARION COUNTIES IS CANCELLED...

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

LAT...LON 3964 8597 3963 8626 3961 8626 3959 8654
      3974 8655 3985 8597
TIME...MOT...LOC 1536Z 256DEG 50KT 3977 8597

$$

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 1:25 AM EDT	Tornado Warning	IND	Daviess, Greene, Knox, Lawrence, Martin	22 min
Apr 19, 3:35 AM EDT	Tornado Warning	IND	Daviess, Greene, Knox, Martin	25 min
Apr 19, 4:27 AM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Martin, Monroe	48 min
Apr 19, 5:24 AM EDT	Areal Flood Warning	IND	Daviess, Greene, Jackson, Knox, Lawrence, Martin	4 hr
Apr 19, 6:06 AM EDT	Flash Flood Warning	IND	Jackson	4 hr
Apr 19, 6:42 AM EDT	Flash Flood Warning	IND	Jennings	3 hr
Apr 19, 8:39 AM EDT	Special Weather Statement	IND	Parke	51 min
Apr 19, 9:19 AM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	18 hr
Apr 19, 9:23 AM EDT	Special Weather Statement	IND	Hendricks, Marion	52 min
Apr 19, 9:26 AM EDT	Flash Flood Warning	IND	Jennings	30 min
Apr 19, 10:15 AM EDT	Special Weather Statement	IND	Putnam, Vigo	45 min
Apr 19, 10:54 AM EDT	Special Weather Statement	IND	Vigo	51 min
Apr 19, 11:13 AM EDT	Special Weather Statement	IND	Parke	47 min
Apr 19, 11:22 AM EDT	Areal Flood Advisory	IND	Marion	4 hr
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Knox, Sullivan	34 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Knox	27 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Gibson, Knox, Posey	29 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Clay, Greene	3 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Shelby	3 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Carroll, Tippecanoe, White	35 hr
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Bartholomew, Jackson	9 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	20 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Lawrence, Martin	23 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Lawrence, Martin	22 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Lawrence, Martin	23 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Daviess, Dubois, Martin, Pike	23 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Delaware, Madison	48 hr
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Hamilton, Madison	3 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Hamilton, Marion	3 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Marion, Morgan	3 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Marion, Morgan	4 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Morgan, Owen	12 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Morgan, Owen	12 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Greene, Owen	18 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	22 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	21 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	23 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Fountain, Parke, Tippecanoe, Vermillion, Warren	16 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Fountain, Parke, Vermillion, Warren	22 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Parke, Vermillion, Vigo	31 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Parke, Vermillion, Vigo	17 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Sullivan, Vigo	31 days
Apr 19, 11:27 AM EDT	River Flood Warning	IND	Knox, Sullivan	34 days
Apr 19, 11:33 AM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush, Shelby	25 min
Apr 19, 11:41 AM EDT	Special Weather Statement	IND	Hendricks, Putnam	49 min
Apr 19, 11:46 AM EDT	Special Weather Statement	IND	Boone	44 min
Apr 19, 11:47 AM EDT	Special Weather Statement	IND	Montgomery, Vermillion	43 min
Apr 19, 12:02 PM EDT	Severe Thunderstorm Warning	IND	Boone, Montgomery, Parke	43 min
Apr 19, 12:17 PM EDT	Areal Flood Warning	IND	Hancock, Hendricks, Henry, Johnson, Marion, Morgan and 5 more	48 hr
Apr 19, 12:30 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Madison, Tipton	45 min
Apr 19, 12:46 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	10 min
Apr 19, 1:10 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison, Randolph	21 min
Apr 19, 1:13 PM EDT	Severe Thunderstorm Warning	IND	Henry, Randolph, Rush	17 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.