Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 5, NWS Indianapolis, IN

February 28, 20114 counties in Indiana

NWS Indianapolis, IN issued this tornado warning at Feb 28, 2011, 2:38 AM EST for 4 counties in Indiana. It was in force for 37 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, 2:38 AM EST (07:38 UTC)
Expired
Feb 28, 2011, 3:15 AM EST
In force
37 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

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

The radar

The Indianapolis radar (KIND), 18 km from the middle of the area, began a volume at 07:41 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

Lincoln, IL (KILX), launched 00:00Z, 7.6 hours before the alert went out and 187 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, Lincoln, IL at 00:00Z on 2011-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 124 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, Lincoln, IL at 00:00Z on 2011-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
124 J/kg
Mixed-layer CIN
-220 J/kg
Mixed-layer LCL
494 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

693 
WFUS53 KIND 280738
TORIND
INC063-097-109-133-280815-
/O.NEW.KIND.TO.W.0005.110228T0738Z-110228T0815Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN HENDRICKS COUNTY IN CENTRAL INDIANA...
  MARION COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN MORGAN COUNTY IN CENTRAL INDIANA...
  EAST CENTRAL PUTNAM COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 315 AM EST

* AT 236 AM EST...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 9 MILES
  EAST OF GREENCASTLE...OR 29 MILES WEST OF INDIANAPOLIS. DOPPLER
  RADAR SHOWED THIS TORNADO MOVING NORTHEAST AT 65 MPH.

* THE TORNADO WILL BE NEAR...
  CLAYTON AND DANVILLE AROUND 245 AM EST...
  PLAINFIELD...AVON AND CAMBY AROUND 250 AM EST...
  INDIANAPOLIS INT'L AIRPORT...CLERMONT AND EAGLE CREEK RESERVOIR
  AROUND 255 AM EST...
  SPEEDWAY...INDIANAPOLIS...MONUMENT CIRCLE AND SPRING HILL AROUND
  300 AM EST...
  INDIANA STATE FAIRGROUNDS...WARREN PARK AND ROCKY RIPPLE AROUND 305
  AM EST...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 107 AND 122.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 59 AND 88.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 69 AND 94.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3968 8680 3992 8610 3973 8601 3955 8672
TIME...MOT...LOC 0739Z 247DEG 58KT 3965 8661

$$

MRD/JK
1 follow-up statement
242 
WWUS53 KIND 280806
SVSIND

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

INC063-097-109-133-280816-
/O.EXP.KIND.TO.W.0005.000000T0000Z-110228T0815Z/
HENDRICKS-MARION-MORGAN-PUTNAM-
306 AM EST MON FEB 28 2011

...THE TORNADO WARNING FOR NORTHWESTERN MORGAN...EAST CENTRAL
PUTNAM...SOUTHERN HENDRICKS AND MARION COUNTIES WILL EXPIRE AT 315 AM
EST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 600 AM EST.

LAT...LON 3968 8680 3992 8610 3973 8601 3955 8672
TIME...MOT...LOC 0806Z 247DEG 58KT 3982 8609

$$

NIELD

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, 2:19 AM ESTTornado WarningINDDelaware, Henry, Madison, Randolph26 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, 2:43 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.