Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 33, NWS Indianapolis, IN

May 10, 2011Delaware County, Madison County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 10, 2011, 2:29 PM EDT for Delaware County, Madison County, Indiana. It was in force for 36 min. 3 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
May 10, 2011, 2:29 PM EDT (18:29 UTC)
Expired
May 10, 2011, 3:05 PM EDT
In force
36 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Delaware County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 93 km from the middle of the area, began a volume at 18:32 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

TimeReportWhereRemark
May 10, 2:30 PM EDTHAIL 1.56 N Anderson, IN1 N PROSPERITY...LOTS OF HAIL COVERING GROUND.
May 10, 2:40 PM EDTHAIL 1.752 N Daleville, INFELL FOR FIVE MINUTES..COVERING GROUND.
May 10, 2:50 PM EDTHAIL 17 Nne Anderson, 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.

IssuedProductOfficeLasted
May 10, 1:10 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.5 hours before the alert went out and 175 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 12:00Z on 2011-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 12:00Z on 2011-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.19395878Sfc1 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
9 J/kg
Mixed-layer CIN
-487 J/kg
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

243 
WFUS53 KIND 101829
TORIND
INC035-095-101915-
/O.NEW.KIND.TO.W.0033.110510T1829Z-110510T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
229 PM EDT TUE MAY 10 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN DELAWARE COUNTY IN EAST CENTRAL INDIANA...
  NORTHERN MADISON COUNTY IN CENTRAL INDIANA...

* UNTIL 315 PM EDT

* AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR ALEXANDRIA...OR 10 MILES NORTH OF
  ANDERSON...AND MOVING NORTHEAST AT 30 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  SUMMITVILLE AROUND 235 PM EDT...
  GASTON AROUND 245 PM EDT...
  MATTHEWS AROUND 250 PM EDT...
  EATON AROUND 300 PM EDT...
  CONVERSE AROUND 310 PM EDT...

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 34 AND 52.

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.

&&

LAT...LON 4039 8521 4009 8559 4022 8581 4040 8572
TIME...MOT...LOC 1829Z 230DEG 28KT 4023 8563

$$

77/TDUD
2 follow-up statements
589 
WWUS53 KIND 101851
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
251 PM EDT TUE MAY 10 2011

INC035-095-101915-
/O.CON.KIND.TO.W.0033.000000T0000Z-110510T1915Z/
DELAWARE-MADISON-
251 PM EDT TUE MAY 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN DELAWARE AND
NORTHEASTERN MADISON COUNTIES UNTIL 315 PM EDT...

AT 248 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 10 MILES SOUTH OF UPLAND...MOVING NORTHEAST AT 30
MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  EATON AROUND 300 PM EDT...
  CONVERSE AROUND 310 PM EDT...

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.

&&

LAT...LON 4024 8568 4040 8572 4039 8521 4012 8555
TIME...MOT...LOC 1851Z 230DEG 28KT 4034 8546

$$

77/TDUD
708 
WWUS53 KIND 101905
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
305 PM EDT TUE MAY 10 2011

INC035-095-101915-
/O.CAN.KIND.TO.W.0033.000000T0000Z-110510T1915Z/
DELAWARE-MADISON-
305 PM EDT TUE MAY 10 2011

...THE TORNADO WARNING FOR NORTHERN DELAWARE AND NORTHEASTERN MADISON
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER LARGE HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM EDT.

LAT...LON 4024 8568 4040 8572 4039 8521 4012 8555
TIME...MOT...LOC 1905Z 230DEG 28KT 4041 8535

$$

77/TDUD

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 1:05 PM EDTSpecial Weather StatementINDClinton25 min
May 10, 1:10 PM EDTSevere Thunderstorm WarningINDClinton, Montgomery, Tippecanoe35 min
May 10, 1:42 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Madison33 min
May 10, 1:58 PM EDTSevere Thunderstorm WarningINDHamilton, Madison32 min
May 10, 2:15 PM EDTSevere Thunderstorm WarningINDDelaware, Madison45 min
May 10, 2:36 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Madison24 min
May 10, 2:53 PM EDTSevere Thunderstorm WarningINDDelaware, Randolph52 min
May 10, 2:56 PM EDTSevere Thunderstorm WarningINDHenry, Madison18 min
May 10, 3:05 PM EDTSevere Thunderstorm WarningINDDelaware, Madison40 min
May 10, 3:43 PM EDTSevere Thunderstorm WarningINDDelaware, Randolph62 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.