Alert archive / Indiana / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 38, NWS Indianapolis, IN

May 1, 2016Hendricks County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 1, 2016, 8:56 PM EDT for Hendricks County, Marion County, Indiana. It was in force for 64 min. 10 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 1, 2016, 8:56 PM EDT (00:56 UTC)
Expired: May 1, 2016, 10:00 PM EDT
In force: 64 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Tornado: Possible
Hail: 2.0 in
Wind: 50.0 mph

Counties Hendricks County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 6 km from the middle of the area, began a volume at 00:58 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 1, 9:22 PM EDT	HAIL 0.25	Indianapolis, IN
May 1, 9:23 PM EDT	HAIL 0.88	Plainfield, IN	AT RONALD REAGAN PARKWAY AND STAFFORD...SOUTHEAST OF PLAINFIELD.
May 1, 9:26 PM EDT	TSTM WND DMG	Clayton, IN	US 40 SOUTH OF CLAYTON. LARGE TREE DOWN COVERING WEST BOUND LANES. POWERLINES DOWN ON BOTH SIDES OF THE ROAD.
May 1, 9:40 PM EDT	TSTM WND DMG	Indianapolis, IN	POWER LINES DOWN AT TROY AND SHERMAN
May 1, 9:40 PM EDT	HAIL 0.7	Indianapolis, IN	POWER LINES DOWN AT TROY AND SHERMAN
May 1, 9:45 PM EDT	HAIL 0.25	Indianapolis, IN	HAIL ESTIMATED. LOCATED ON ELM STREET.
May 1, 9:45 PM EDT	HAIL 1	Indianapolis, IN	HAIL COVERING THE GROUND AT FRANKLIN AND RAYMOND. AT LEAST NICKEL....MAYBE AS LARGE AS QUARTER.
May 1, 9:55 PM EDT	HAIL 0.7	Indianapolis, IN	TIME ESTIMATED BY RADAR
May 1, 9:55 PM EDT	HAIL 1	11 Se Indianapolis, IN
May 1, 10:08 PM EDT	HAIL 0.7	Indianapolis, IN	HEADING SOUTH ON 65 AT EXIT 106. HAIL WAS LOCATED IN THE MEDIAN.

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 1, 7:58 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.9 hours before the alert went out and 199 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: 71 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 494 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

492 
WUUS53 KIND 020056
SVRIND
INC063-097-020200-
/O.NEW.KIND.SV.W.0038.160502T0056Z-160502T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
856 PM EDT SUN MAY 1 2016

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARION COUNTY IN CENTRAL INDIANA...
  HENDRICKS COUNTY IN CENTRAL INDIANA...

* UNTIL 1000 PM EDT

* AT 856 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHWEST
  OF DANVILLE...OR 25 MILES WEST OF INDIANAPOLIS...MOVING EAST AT 40
  MPH.

  HAZARD...TWO INCH HAIL. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

* LOCATIONS IMPACTED INCLUDE...
  INDIANAPOLIS...LAWRENCE...PLAINFIELD...BROWNSBURG...BEECH GROVE...
  SPEEDWAY...DANVILLE...SOUTHPORT...AVON...CUMBERLAND...MERIDIAN HILLS...
  WARREN PARK...CLERMONT...CLAYTON...HOMECROFT...ROCKY RIPPLE...
  COATESVILLE...WILLIAMS CREEK...AMO AND STILESVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 65 BETWEEN MILE MARKERS 101 AND 123.
 INTERSTATE 69 BETWEEN MILE MARKERS 200 AND 202.
 INTERSTATE 70 BETWEEN MILE MARKERS 59 AND 60...AND BETWEEN MILE
MARKERS 62 AND 94.
 INTERSTATE 74 BETWEEN MILE MARKERS 67 AND 100.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO SHELTER INSIDE A STRONG BUILDING... AND STAY AWAY FROM
WINDOWS.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND
TORNADOES. MOVE QUICKLY TO A SAFE SHELTER SUCH AS AN INTERIOR ROOM...A
BATHROOM...CLOSET OR BASEMENT.

&&

LAT...LON 3964 8595 3963 8646 3961 8647 3960 8666
      3963 8664 3963 8669 3979 8669 3993 8600
      3993 8594
TIME...MOT...LOC 0056Z 255DEG 34KT 3967 8659 

TORNADO...POSSIBLE
HAIL...2.00IN
WIND...<50MPH
 
$$

NIELD

1 follow-up statement

322 
WWUS53 KIND 020152
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
952 PM EDT SUN MAY 1 2016

INC063-097-020202-
/O.EXP.KIND.SV.W.0038.000000T0000Z-160502T0200Z/
MARION IN-HENDRICKS IN-
952 PM EDT SUN MAY 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR MARION AND HENDRICKS COUNTIES
WILL EXPIRE AT 1000 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR
WEST CENTRAL INDIANA.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
SOUTHEASTERN MARION COUNTY UNTIL 1030 PM EDT.

LAT...LON 3964 8595 3963 8646 3961 8647 3960 8666
      3963 8664 3963 8669 3979 8669 3993 8600
      3993 8594
TIME...MOT...LOC 0149Z 255DEG 34KT 3967 8659 

$$

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 8:03 PM EDT	Severe Thunderstorm Warning	IND	Clay, Parke, Putnam	42 min
May 1, 8:05 PM EDT	Tornado Warning	IND	Fountain, Montgomery, Tippecanoe	25 min
May 1, 8:12 PM EDT	Severe Thunderstorm Warning	IND	Parke, Vermillion	48 min
May 1, 8:31 PM EDT	Tornado Warning	IND	Montgomery, Tippecanoe	44 min
May 1, 8:33 PM EDT	Tornado Warning	IND	Hendricks, Morgan, Putnam	27 min
May 1, 8:50 PM EDT	Tornado Warning Tornado observed	IND	Boone, Clinton, Montgomery, Tippecanoe	40 min
May 1, 9:01 PM EDT	Severe Thunderstorm Warning	IND	Parke, Putnam	25 min
May 1, 9:14 PM EDT	Tornado Warning	IND	Hendricks, Marion	46 min
May 1, 9:27 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Tipton	48 min
May 1, 9:40 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Sullivan	50 min
May 1, 9:48 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Marion, Shelby	42 min
May 1, 9:59 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Lawrence, Martin, Monroe	46 min
May 1, 10:05 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Madison, Tipton	42 min
May 1, 10:11 PM EDT	Severe Thunderstorm Warning	IND	Rush	35 min
May 1, 10:27 PM EDT	Tornado Warning	IND	Delaware, Henry, Madison	17 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2016 Every severe thunderstorm warning in 2016

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.