Alert archive / Indiana / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Indianapolis, IN

April 8, 2015Hancock County, Marion County, Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 8, 2015, 5:24 PM EDT for Hancock County, Marion County, Shelby County, Indiana. It was in force for 36 min. 1 report 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: Apr 8, 2015, 5:24 PM EDT (21:24 UTC)
Expired: Apr 8, 2015, 6:00 PM EDT
In force: 36 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Hancock County, IN, Marion County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 42 km from the middle of the area, began a volume at 21:25 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
Apr 8, 5:32 PM EDT	HAIL 0.25	Cumberland, 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.

Issued	Product	Office	Lasted
Apr 8, 2:05 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.4 hours before the alert went out and 173 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: 487 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 194 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.

017 
WUUS53 KIND 082124
SVRIND
INC059-097-145-082200-
/O.NEW.KIND.SV.W.0021.150408T2124Z-150408T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
524 PM EDT WED APR 8 2015

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN CENTRAL INDIANA...
  SOUTHEASTERN MARION COUNTY IN CENTRAL INDIANA...
  NORTHERN SHELBY COUNTY IN CENTRAL INDIANA...

* UNTIL 600 PM EDT

* AT 522 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES EAST OF
  BEECH GROVE...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
  GREENFIELD...CUMBERLAND...NEW PALESTINE...SPRING LAKE...MORRISTOWN
  AND WILKINSON.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 98 AND 112.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 93 AND 104.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3979 8560 3978 8563 3967 8564 3962 8595
      3964 8596 3964 8602 3975 8608 3993 8559
TIME...MOT...LOC 2124Z 246DEG 33KT 3968 8590

HAIL...1.25IN
WIND...<50MPH

$$
DRT

2 follow-up statements

774 
WWUS53 KIND 082149 RRA
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
549 PM EDT WED APR 8 2015

INC097-145-082159-
/O.CAN.KIND.SV.W.0021.000000T0000Z-150408T2200Z/
SHELBY IN-MARION IN-
549 PM EDT WED APR 8 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARION AND
NORTHERN SHELBY COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3979 8560 3978 8563 3971 8564 3970 8595
      3975 8596 3979 8595 3993 8559
TIME...MOT...LOC 2149Z 246DEG 33KT 3977 8563

$$

INC059-082200-
/O.CON.KIND.SV.W.0021.000000T0000Z-150408T2200Z/
HANCOCK IN-
549 PM EDT WED APR 8 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR HANCOCK COUNTY
UNTIL 600 PM EDT...

AT 547 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
GREENFIELD...AND MOVING NORTHEAST AT 40 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

LOCATIONS IMPACTED INCLUDE...
WILKINSON.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 98 AND 112.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3979 8560 3978 8563 3971 8564 3970 8595
      3975 8596 3979 8595 3993 8559
TIME...MOT...LOC 2149Z 246DEG 33KT 3977 8563

HAIL...1.00IN
WIND...<50MPH

$$
DRT

181 
WWUS53 KIND 082155
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
555 PM EDT WED APR 8 2015

INC059-082205-
/O.EXP.KIND.SV.W.0021.000000T0000Z-150408T2200Z/
HANCOCK IN-
555 PM EDT WED APR 8 2015

...THE SEVERE THUNDERSTORM WARNING FOR HANCOCK COUNTY WILL EXPIRE AT 
600 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED.

LAT...LON 3979 8560 3978 8563 3971 8564 3970 8595
      3975 8596 3979 8595 3993 8559
TIME...MOT...LOC 2155Z 246DEG 33KT 3979 8556

$$
DRT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 7:09 AM EDT	Special Weather Statement	IND	Montgomery, Parke, Vermillion	51 min
Apr 8, 7:27 AM EDT	Severe Thunderstorm Warning	IND	Montgomery, Parke, Putnam, Vermillion	48 min
Apr 8, 8:06 AM EDT	Areal Flood Warning	IND	Boone, Clay, Clinton, Fountain, Hamilton, Hancock and 8 more	6 hr
Apr 8, 8:06 AM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hancock, Hendricks, Madison, Marion and 2 more	39 min
Apr 8, 8:15 AM EDT	Severe Thunderstorm Warning	IND	Clay, Hendricks, Marion, Morgan, Parke, Putnam	30 min
Apr 8, 8:18 AM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Tipton	27 min
Apr 8, 8:22 AM EDT	Areal Flood Warning	IND	Clinton, Howard, Tipton	4 hr
Apr 8, 8:38 AM EDT	Flash Flood Warning	IND	Parke, Vermillion	3 hr
Apr 8, 8:39 AM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Hendricks, Henry, Johnson, Marion and 4 more	36 min
Apr 8, 8:43 AM EDT	Areal Flood Warning	IND	Decatur, Delaware, Hancock, Henry, Johnson, Madison and 4 more	6 hr
Apr 8, 9:01 AM EDT	Flash Flood Warning	IND	Hendricks, Marion, Putnam	6 hr
Apr 8, 9:11 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Hancock, Henry, Johnson and 4 more	49 min
Apr 8, 9:56 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	49 min
Apr 8, 11:26 AM EDT	River Flood Warning	IND	Bartholomew, Johnson, Shelby	4 days
Apr 8, 11:26 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	8 days
Apr 8, 11:26 AM EDT	River Flood Warning	IND	Lawrence, Martin	9 days
Apr 8, 11:26 AM EDT	River Flood Warning	IND	Lawrence, Martin	9 days
Apr 8, 11:26 AM EDT	River Flood Warning	IND	Knox	8 days
Apr 8, 11:26 AM EDT	River Flood Warning	IND	Gibson, Knox, Posey	10 days
Apr 8, 11:26 AM EDT	River Flood Warning	IND	Clay, Greene	3 days
Apr 8, 2:25 PM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	37 hr
Apr 8, 3:35 PM EDT	Severe Thunderstorm Warning	IND	Knox	40 min
Apr 8, 3:48 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan, Owen	42 min
Apr 8, 4:10 PM EDT	Tornado Warning	IND	Brown, Monroe	35 min
Apr 8, 4:16 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	44 min
Apr 8, 4:25 PM EDT	Flash Flood Warning	IND	Daviess, Knox	6 hr
Apr 8, 4:27 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Monroe, Morgan	33 min
Apr 8, 4:28 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Montgomery	32 min
Apr 8, 4:47 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson	28 min
Apr 8, 4:51 PM EDT	Tornado Warning	IND	Daviess, Martin	24 min
Apr 8, 4:58 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Marion, Shelby	32 min
Apr 8, 5:06 PM EDT	Severe Thunderstorm Warning	IND	Knox	22 min
Apr 8, 5:10 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Howard, Montgomery, Tippecanoe, Tipton	35 min
Apr 8, 5:13 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Lawrence, Martin	31 min
Apr 8, 5:36 PM EDT	Flash Flood Warning	IND	Boone, Montgomery, Tippecanoe	6 hr
Apr 8, 5:45 PM EDT	Areal Flood Advisory	IND	Hancock, Johnson, Marion, Shelby	3 hr
Apr 8, 6:48 PM EDT	Areal Flood Advisory	IND	Delaware, Hamilton, Henry, Madison, Randolph	3 hr
Apr 8, 7:50 PM EDT	Areal Flood Advisory	IND	Henry, Rush	3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2015 Every severe thunderstorm warning in 2015

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.