Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 7, NWS Indianapolis, IN

February 28, 20114 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Feb 28, 2011, 4:05 AM EST for 4 counties in Indiana. It was in force for 40 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: Feb 28, 2011, 4:05 AM EST (09:05 UTC)
Expired: Feb 28, 2011, 4:45 AM EST
In force: 40 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bartholomew County, IN, Decatur County, IN, Rush County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 81 km from the middle of the area, began a volume at 09:04 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
Feb 28, 12:46 AM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.1 hours before the alert went out and 150 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: 539 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 325 m²/s²
0-3 km storm-relative helicity: 380 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

245 
WUUS53 KIND 280905
SVRIND
INC005-031-139-145-280945-
/O.NEW.KIND.SV.W.0007.110228T0905Z-110228T0945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
405 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARTHOLOMEW COUNTY IN CENTRAL INDIANA...
  DECATUR COUNTY IN CENTRAL INDIANA...
  SOUTHERN RUSH COUNTY IN CENTRAL INDIANA...
  SOUTHEASTERN SHELBY COUNTY IN CENTRAL INDIANA...

* UNTIL 445 AM EST

* AT 400 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 7 MILES NORTH OF GREENSBURG TO COLUMBUS...AND MOVING EAST AT
  70 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  LETTS AND LAKE SANTEE AROUND 410 AM EST...
  WESTPORT AND NEWPOINT AROUND 415 AM EST...
  MILLHOUSEN AROUND 420 AM EST...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 63 AND 68.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 119 AND 144.

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.

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 3919 8545 3920 8545 3915 8556 3912 8603
      3950 8572 3945 8530 3927 8530
TIME...MOT...LOC 0905Z 274DEG 60KT 3943 8539 3919 8577
WIND...HAIL 60MPH <.75IN

$$

NIELD

3 follow-up statements

465 
WWUS53 KIND 280916
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
416 AM EST MON FEB 28 2011

INC145-280926-
/O.CAN.KIND.SV.W.0007.000000T0000Z-110228T0945Z/
SHELBY-
416 AM EST MON FEB 28 2011

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

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

LAT...LON 3919 8545 3920 8545 3915 8556 3913 8589
      3935 8569 3934 8565 3935 8564 3940 8564
      3948 8556 3945 8530 3927 8530
TIME...MOT...LOC 0916Z 272DEG 54KT 3942 8529 3915 8567

$$

INC005-031-139-280945-
/O.CON.KIND.SV.W.0007.000000T0000Z-110228T0945Z/
BARTHOLOMEW-DECATUR-RUSH-
416 AM EST MON FEB 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
BARTHOLOMEW...DECATUR AND SOUTHERN RUSH COUNTIES UNTIL 445 AM EST...

AT 414 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 9 MILES NORTHWEST OF OLDENBURG TO 10 MILES NORTH OF NORTH
VERNON...MOVING EAST AT 60 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  MILLHOUSEN AROUND 425 AM EST...

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.

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 3919 8545 3920 8545 3915 8556 3913 8589
      3935 8569 3934 8565 3935 8564 3940 8564
      3948 8556 3945 8530 3927 8530
TIME...MOT...LOC 0916Z 272DEG 54KT 3942 8529 3915 8567
WIND...HAIL 60MPH <.75IN

$$

NIELD

845 
WWUS53 KIND 280926
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
426 AM EST MON FEB 28 2011

INC005-139-280936-
/O.CAN.KIND.SV.W.0007.000000T0000Z-110228T0945Z/
BARTHOLOMEW-RUSH-
426 AM EST MON FEB 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BARTHOLOMEW AND
SOUTHEASTERN RUSH COUNTIES IS CANCELLED...

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

LAT...LON 3919 8545 3920 8545 3915 8556 3914 8569
      3944 8541 3944 8531 3927 8530
TIME...MOT...LOC 0926Z 272DEG 54KT 3936 8518 3911 8558

$$

INC031-280945-
/O.CON.KIND.SV.W.0007.000000T0000Z-110228T0945Z/
DECATUR-
426 AM EST MON FEB 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DECATUR COUNTY
UNTIL 445 AM EST...

AT 423 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM OLDENBURG TO 7 MILES NORTH OF NORTH VERNON...MOVING EAST AT 60
MPH.

SEVERE THUNDERSTORMS WILL AFFECT MAINLY RURAL AREAS OF DECATUR
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.

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 3919 8545 3920 8545 3915 8556 3914 8569
      3944 8541 3944 8531 3927 8530
TIME...MOT...LOC 0926Z 272DEG 54KT 3936 8518 3911 8558
WIND...HAIL 60MPH <.75IN

$$

NIELD

226 
WWUS53 KIND 280936
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
436 AM EST MON FEB 28 2011

INC031-280946-
/O.EXP.KIND.SV.W.0007.000000T0000Z-110228T0945Z/
DECATUR-
436 AM EST MON FEB 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR DECATUR COUNTY WILL EXPIRE AT 
445 AM EST...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 600 AM EST.

LAT...LON 3919 8545 3920 8545 3915 8556 3914 8569
      3944 8541 3944 8531 3927 8530
TIME...MOT...LOC 0936Z 272DEG 54KT 3935 8506 3913 8549

$$

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 27, 9:32 PM EST	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Howard, Montgomery, Tipton	43 min
Feb 27, 10:14 PM EST	Special Weather Statement	IND	Fountain, Tippecanoe	31 min
Feb 27, 10:46 PM EST	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hendricks, Marion, Morgan, Owen and 1 more	44 min
Feb 27, 11:05 PM EST	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke, Putnam, Vermillion	40 min
Feb 27, 11:46 PM EST	Special Weather Statement	IND	Boone	29 min
Feb 28, 12:31 AM EST	Areal Flood Warning	IND	Boone, Clay, Fountain, Hendricks, Marion, Montgomery and 7 more	42 hr
Feb 28, 12:35 AM EST	Areal Flood Warning	IND	Boone, Decatur, Delaware, Hamilton, Hancock, Henry and 5 more	42 hr
Feb 28, 1:08 AM EST	Tornado Warning	IND	Bartholomew, Brown, Johnson, Monroe, Morgan	37 min
Feb 28, 1:25 AM EST	Tornado Warning	IND	Delaware, Randolph	35 min
Feb 28, 1:29 AM EST	Areal Flood Warning	IND	Delaware, Henry, Randolph	41 hr
Feb 28, 1:59 AM EST	Severe Thunderstorm Warning	IND	Hamilton, Hendricks, Marion	31 min
Feb 28, 2:08 AM EST	Tornado Warning	IND	Clay, Hendricks, Morgan, Owen, Parke, Putnam and 1 more	37 min
Feb 28, 2:19 AM EST	Tornado Warning	IND	Delaware, Henry, Madison, Randolph	26 min
Feb 28, 2:24 AM EST	Areal Flood Warning	IND	Boone, Clinton, Delaware, Hamilton, Howard, Madison and 1 more	40 hr
Feb 28, 2:33 AM EST	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Hendricks, Madison, Marion, Morgan and 1 more	27 min
Feb 28, 2:38 AM EST	Tornado Warning	IND	Hendricks, Marion, Morgan, Putnam	37 min
Feb 28, 2:43 AM EST	Tornado Warning	IND	Delaware, Henry, Randolph	32 min
Feb 28, 3:42 AM EST	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush, Shelby	48 min
Feb 28, 5:22 AM EST	River Flood Warning	IND	Delaware, Madison	56 hr
Feb 28, 5:22 AM EST	River Flood Warning	IND	Hamilton, Madison	62 hr
Feb 28, 5:22 AM EST	River Flood Warning	IND	Hamilton, Marion	4 days
Feb 28, 5:22 AM EST	River Flood Warning	IND	Marion, Morgan	4 days
Feb 28, 5:22 AM EST	River Flood Warning	IND	Marion, Morgan	4 days
Feb 28, 5:22 AM EST	River Flood Warning	IND	Clay, Greene	62 hr
Feb 28, 11:18 AM EST	River Flood Warning	IND	Morgan, Owen	10 days
Feb 28, 11:18 AM EST	River Flood Warning	IND	Morgan, Owen	10 days
Feb 28, 11:18 AM EST	River Flood Warning	IND	Shelby	50 hr
Feb 28, 11:18 AM EST	River Flood Warning	IND	Montgomery, Parke	35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.