Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 4, NWS Indianapolis, IN

February 28, 20114 counties in Indiana

NWS Indianapolis, IN issued this tornado warning at Feb 28, 2011, 2:19 AM EST for 4 counties in 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
Feb 28, 2011, 2:19 AM EST (07:19 UTC)
Expired
Feb 28, 2011, 2:45 AM EST
In force
26 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Delaware County, IN, Henry County, IN, Madison County, IN, Randolph County, IN

The radar

The Indianapolis radar (KIND), 101 km from the middle of the area, began a volume at 07:23 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.

IssuedProductOfficeLasted
Feb 28, 12:46 AM ESTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.3 hours before the alert went out and 151 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2011-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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.

243 
WFUS53 KIND 280719
TORIND
INC035-065-095-135-280745-
/O.NEW.KIND.TO.W.0004.110228T0719Z-110228T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
219 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN DELAWARE COUNTY IN EAST CENTRAL INDIANA...
  NORTHERN HENRY COUNTY IN EAST CENTRAL INDIANA...
  SOUTHERN MADISON COUNTY IN CENTRAL INDIANA...
  WESTERN RANDOLPH COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 245 AM EST

* AT 213 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR ANDERSON...AND MOVING EAST AT 70 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  YORKTOWN AROUND 225 AM EST...
  SPRINGPORT...MUNCIE...BALL STATE UNIVERSITY AND SUMMIT LAKE STATE
  PARK AROUND 230 AM EST...
  PRAIRIE CREEK RESERVOIR...PARKER CITY...SELMA AND BLOUNTSVILLE
  AROUND 235 AM EST...
  FARMLAND AND MODOC AROUND 240 AM EST...
  WINCHESTER AROUND 245 AM EST...

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 22 AND 43.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4031 8493 4002 8492 4003 8582 4024 8577
TIME...MOT...LOC 0719Z 263DEG 60KT 4010 8559

$$

MRD/JK
1 follow-up statement
226 
WWUS53 KIND 280741
SVSIND

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

INC035-065-095-135-280751-
/O.EXP.KIND.TO.W.0004.000000T0000Z-110228T0745Z/
DELAWARE-HENRY-MADISON-RANDOLPH-
241 AM EST MON FEB 28 2011

...THE TORNADO WARNING FOR NORTHERN HENRY...WESTERN RANDOLPH...
SOUTHERN DELAWARE AND SOUTHERN MADISON COUNTIES WILL EXPIRE AT 245 AM
EST/145 AM CST/...

THE STORM 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 6 AM.

LAT...LON 4031 8493 4002 8492 4003 8582 4024 8577
TIME...MOT...LOC 0741Z 263DEG 60KT 4013 8511

$$

MRD/JK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 9:32 PM ESTSevere Thunderstorm WarningINDBoone, Clinton, Hamilton, Howard, Montgomery, Tipton43 min
Feb 27, 10:14 PM ESTSpecial Weather StatementINDFountain, Tippecanoe31 min
Feb 27, 10:46 PM ESTSevere Thunderstorm WarningINDBoone, Hamilton, Hendricks, Marion, Morgan, Owen and 1 more44 min
Feb 27, 11:05 PM ESTSevere Thunderstorm WarningINDFountain, Montgomery, Parke, Putnam, Vermillion40 min
Feb 27, 11:46 PM ESTSpecial Weather StatementINDBoone29 min
Feb 28, 12:31 AM ESTAreal Flood WarningINDBoone, Clay, Fountain, Hendricks, Marion, Montgomery and 7 more42 hr
Feb 28, 12:35 AM ESTAreal Flood WarningINDBoone, Decatur, Delaware, Hamilton, Hancock, Henry and 5 more42 hr
Feb 28, 1:08 AM ESTTornado WarningINDBartholomew, Brown, Johnson, Monroe, Morgan37 min
Feb 28, 1:25 AM ESTTornado WarningINDDelaware, Randolph35 min
Feb 28, 1:29 AM ESTAreal Flood WarningINDDelaware, Henry, Randolph41 hr
Feb 28, 1:59 AM ESTSevere Thunderstorm WarningINDHamilton, Hendricks, Marion31 min
Feb 28, 2:08 AM ESTTornado WarningINDClay, Hendricks, Morgan, Owen, Parke, Putnam and 1 more37 min
Feb 28, 2:24 AM ESTAreal Flood WarningINDBoone, Clinton, Delaware, Hamilton, Howard, Madison and 1 more40 hr
Feb 28, 2:33 AM ESTSevere Thunderstorm WarningINDHamilton, Hancock, Hendricks, Madison, Marion, Morgan and 1 more27 min
Feb 28, 2:38 AM ESTTornado WarningINDHendricks, Marion, Morgan, Putnam37 min
Feb 28, 2:43 AM ESTTornado WarningINDDelaware, Henry, Randolph32 min
Feb 28, 3:42 AM ESTSevere Thunderstorm WarningINDHancock, Henry, Rush, Shelby48 min
Feb 28, 4:05 AM ESTSevere Thunderstorm WarningINDBartholomew, Decatur, Rush, Shelby40 min
Feb 28, 5:22 AM ESTRiver Flood WarningINDDelaware, Madison56 hr
Feb 28, 5:22 AM ESTRiver Flood WarningINDHamilton, Madison62 hr
Feb 28, 5:22 AM ESTRiver Flood WarningINDHamilton, Marion4 days
Feb 28, 5:22 AM ESTRiver Flood WarningINDMarion, Morgan4 days
Feb 28, 5:22 AM ESTRiver Flood WarningINDMarion, Morgan4 days
Feb 28, 5:22 AM ESTRiver Flood WarningINDClay, Greene62 hr
Feb 28, 11:18 AM ESTRiver Flood WarningINDMorgan, Owen10 days
Feb 28, 11:18 AM ESTRiver Flood WarningINDMorgan, Owen10 days
Feb 28, 11:18 AM ESTRiver Flood WarningINDShelby50 hr
Feb 28, 11:18 AM ESTRiver Flood WarningINDMontgomery, Parke35 hr

Nearby

Tornado Warnings in Indiana, 2011Every tornado warning in 2011Tornadoes 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.