Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 98, NWS Indianapolis, IN

May 10, 2011Hamilton County, Hancock County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 10, 2011, 1:42 PM EDT for Hamilton County, Hancock County, Madison County, Indiana. It was in force for 33 min. 9 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, 1:42 PM EDT (17:42 UTC)
Expired: May 10, 2011, 2:15 PM EDT
In force: 33 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Hamilton County, IN, Hancock County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 54 km from the middle of the area, began a volume at 17:45 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

Time	Report	Where	Remark
May 10, 1:44 PM EDT	HAIL 0.5	Cicero, IN
May 10, 1:46 PM EDT	HAIL 1.5	1 N Cicero, IN
May 10, 1:47 PM EDT	HAIL 0.25	Noblesville, IN
May 10, 1:49 PM EDT	HAIL 1.75	Cicero, IN
May 10, 2:02 PM EDT	HAIL 1.75	8 Ne Noblesville, IN	GOLF BALL SIZED HAIL COVERING THE GROUND...NEAR 246TH ST AND BREHM RD.
May 10, 2:06 PM EDT	HAIL 1.25	5 Nne Lapel, IN	2 ESE PERKINSVILLE.
May 10, 2:13 PM EDT	HAIL 1.75	5 N Lapel, IN	IN PERKINSVILLE.
May 10, 2:15 PM EDT	HAIL 1	9 W Anderson, IN	AT 10 N AND 900 W.
May 10, 2:25 PM EDT	FUNNEL CLOUD	Lapel, IN	ROTATING WALL CLOUD OBSERVED.

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.

Issued	Product	Office	Lasted
May 10, 1:10 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.7 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-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: 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.

368 
WUUS53 KIND 101742
SVRIND
INC057-059-095-101815-
/O.NEW.KIND.SV.W.0098.110510T1742Z-110510T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
142 PM EDT TUE MAY 10 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HAMILTON COUNTY IN CENTRAL INDIANA...
  NORTH CENTRAL HANCOCK COUNTY IN CENTRAL INDIANA...
  SOUTHERN MADISON COUNTY IN CENTRAL INDIANA...

* UNTIL 215 PM EDT

* AT 140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR NOBLESVILLE...OR 19 MILES WEST OF
  ANDERSON...AND MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAPEL AROUND 200 PM EDT...
  INGALLS AND FORTVILLE AROUND 205 PM EDT...
  PENDLETON...EDGEWOOD...RIVER FOREST AND WOODLAWN HEIGHTS AROUND 210
  PM EDT...
  ANDERSON AROUND 215 PM EDT...

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 7 AND 28.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4012 8558 3988 8568 3995 8596 4004 8611
      4020 8610
TIME...MOT...LOC 1743Z 283DEG 29KT 4008 8602
WIND...HAIL <50MPH 1.00IN

$$

MRD/SMF

3 follow-up statements

846 
WWUS53 KIND 101750
SVSIND

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

INC057-059-095-101815-
/O.CON.KIND.SV.W.0098.000000T0000Z-110510T1815Z/
HAMILTON-HANCOCK-MADISON-
150 PM EDT TUE MAY 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
HANCOCK...EASTERN HAMILTON AND SOUTHERN MADISON COUNTIES UNTIL 215 PM
EDT...

AT 145 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE 
THUNDERSTORM PRODUCING GOLF BALL SIZE HAIL IN DOWNTOWN CICERO.  THIS 
STORM WAS LOCATED NEAR NOBLESVILLE...OR 17 MILES WEST OF 
ANDERSON...MOVING EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAPEL AROUND 200 PM EDT...
  INGALLS AND FORTVILLE AROUND 205 PM EDT...
  PENDLETON...EDGEWOOD...RIVER FOREST AND WOODLAWN HEIGHTS AROUND 210
  PM EDT...
  ANDERSON AROUND 215 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4003 8605 4019 8607 4012 8558 3988 8568
      3995 8596
TIME...MOT...LOC 1748Z 283DEG 29KT 4007 8597
WIND...HAIL <50MPH 1.50IN

$$

MRD/SMF

279 
WWUS53 KIND 101807
SVSIND

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

INC057-059-095-101815-
/O.CON.KIND.SV.W.0098.000000T0000Z-110510T1815Z/
HAMILTON-HANCOCK-MADISON-
207 PM EDT TUE MAY 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
HANCOCK...EAST CENTRAL HAMILTON AND SOUTHERN MADISON COUNTIES UNTIL
215 PM EDT...

AT 204 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING PING PONG BALL SIZE HAIL.  THIS STORM WAS
LOCATED 9 MILES SOUTH OF ELWOOD...OR 10 MILES WEST OF ANDERSON...
MOVING EAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RIVER FOREST...EDGEWOOD...WOODLAWN HEIGHTS AND COUNTRY CLUB HEIGHTS
  AROUND 215 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3999 8587 4005 8591 4017 8596 4012 8558
      3988 8568
TIME...MOT...LOC 1807Z 273DEG 22KT 4014 8585
WIND...HAIL <50MPH 1.50IN

$$

MRD/SMF

665 
WWUS53 KIND 101816
SVSIND

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

INC057-059-095-101827-
/O.EXP.KIND.SV.W.0098.000000T0000Z-110510T1815Z/
HAMILTON-HANCOCK-MADISON-
216 PM EDT TUE MAY 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HANCOCK...EAST 
CENTRAL HAMILTON AND SOUTHERN MADISON COUNTIES HAS BEEN REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 3999 8587 4005 8591 4017 8596 4012 8558
      3988 8568
TIME...MOT...LOC 1807Z 273DEG 22KT 4014 8585

$$

MRD/SMF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 1:05 PM EDT	Special Weather Statement	IND	Clinton	25 min
May 10, 1:10 PM EDT	Severe Thunderstorm Warning	IND	Clinton, Montgomery, Tippecanoe	35 min
May 10, 1:58 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	32 min
May 10, 2:15 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison	45 min
May 10, 2:29 PM EDT	Tornado Warning	IND	Delaware, Madison	36 min
May 10, 2:36 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Madison	24 min
May 10, 2:53 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	52 min
May 10, 2:56 PM EDT	Severe Thunderstorm Warning	IND	Henry, Madison	18 min
May 10, 3:05 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison	40 min
May 10, 3:43 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	62 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.