Alert archive / Indiana / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 73, NWS Indianapolis, IN

April 29, 201712 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 29, 2017, 8:41 PM EDT for 12 counties in Indiana. It was in force for 49 min. 2 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
Apr 29, 2017, 8:41 PM EDT (00:41 UTC)
Expired
Apr 29, 2017, 9:30 PM EDT
In force
49 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clay County, IN, Fountain County, IN, Greene County, IN, Montgomery County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Sullivan County, IN, Tippecanoe County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 00:42 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
Apr 29, 9:09 PM EDTHAIL 1Covington, INPEA TO QUARTER SIZE HAIL AND HEAVY RAIN.
Apr 29, 9:14 PM EDTHAIL 0.881 N Bloomingdale, IN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.7 hours before the alert went out and 119 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 2017-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2017-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 549 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
434 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
549 m²/s²
0-3 km storm-relative helicity
930 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

286 
WUUS53 KIND 300041
SVRIND
INC021-045-055-107-119-121-133-153-157-165-167-171-300130-
/O.NEW.KIND.SV.W.0073.170430T0041Z-170430T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
841 PM EDT SAT APR 29 2017

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Vigo County in west central Indiana...
  Fountain County in west central Indiana...
  Western Tippecanoe County in west central Indiana...
  Sullivan County in southwestern Indiana...
  Clay County in west central Indiana...
  Parke County in west central Indiana...
  Western Owen County in west central Indiana...
  Warren County in west central Indiana...
  Northwestern Greene County in southwestern Indiana...
  Vermillion County in west central Indiana...
  Western Montgomery County in west central Indiana...
  Western Putnam County in west central Indiana...

* Until 930 PM EDT.

* At 839 PM EDT, severe thunderstorms were located along a line
  extending from near Hoopeston to near Hutsonville, moving east at
  65 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Terre Haute, Crawfordsville, West Lafayette, Brazil, Clinton,
  Sullivan, Covington, Rockville, Veedersburg, Williamsport, Newport,
  Attica, West Terre Haute, Jasonville, Shadeland, Fairview Park,
  Shelburn, Prairieton, Prairie Creek and Cayuga.

This includes the following highways...
 Interstate 65 between mile markers 183 and 184.
 Interstate 70 between mile markers 1 and 34.
 Interstate 74 between mile markers 1 and 32.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3922 8757 3931 8762 3935 8753 4048 8753
      4048 8709 4056 8709 4056 8692 3914 8693
      3901 8757 3906 8757 3914 8766
TIME...MOT...LOC 0039Z 253DEG 58KT 4051 8763 3905 8768 

HAIL...1.00IN
WIND...60MPH
 
$$

TDUD
1 follow-up statement
111 
WWUS53 KIND 300116
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
916 PM EDT SAT APR 29 2017

INC021-045-055-107-119-121-133-153-157-165-167-171-300130-
/O.CON.KIND.SV.W.0073.000000T0000Z-170430T0130Z/
Vigo IN-Fountain IN-Tippecanoe IN-Sullivan IN-Clay IN-Parke IN-
Owen IN-Warren IN-Greene IN-Vermillion IN-Montgomery IN-Putnam IN-
916 PM EDT SAT APR 29 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR VIGO...FOUNTAIN...WESTERN TIPPECANOE...SULLIVAN...CLAY...PARKE...
WESTERN OWEN...WARREN...NORTHWESTERN GREENE...VERMILLION...WESTERN
MONTGOMERY AND WESTERN PUTNAM COUNTIES...

At 915 PM EDT, severe thunderstorms were located along a line
extending from near Templeton to near Linton, moving east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. At 909 pm, quarter size hail was reported 
         in Covington. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Terre Haute, Crawfordsville, West Lafayette, Brazil, Clinton,
Sullivan, Covington, Rockville, Veedersburg, Williamsport, Newport,
Attica, West Terre Haute, Jasonville, Shadeland, Fairview Park,
Shelburn, Prairieton, Prairie Creek and Cayuga.

This includes the following highways...
 Interstate 65 between mile markers 183 and 184.
 Interstate 70 between mile markers 1 and 34.
 Interstate 74 between mile markers 4 and 32.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3922 8757 3931 8762 3935 8753 4048 8744
      4048 8709 4056 8709 4056 8692 3914 8693
      3901 8757 3906 8757 3914 8766
TIME...MOT...LOC 0115Z 282DEG 22KT 4056 8714 3910 8720 

HAIL...1.00IN
WIND...60MPH
 
$$

TDUD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 9:17 PM EDTFlash Flood WarningINDClay, Parke, Vermillion, Vigo3 hr
Apr 29, 9:30 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Parke, Tippecanoe28 min
Apr 29, 9:44 PM EDTSevere Thunderstorm WarningINDClay, Greene, Hendricks, Morgan, Owen, Putnam46 min
Apr 29, 10:06 PM EDTFlash Flood WarningINDClay, Hendricks, Morgan, Owen, Putnam3 hr
Apr 29, 10:42 PM EDTRiver Flood WarningINDHamilton, Madison39 hr
Apr 29, 10:42 PM EDTRiver Flood WarningINDMarion, Morgan9 days
Apr 29, 10:42 PM EDTRiver Flood WarningINDBartholomew39 hr
Apr 29, 10:59 PM EDTFlash Flood WarningINDBoone, Hamilton, Hancock, Hendricks, Johnson, Marion and 2 more3 hr
Apr 30, 7:04 AM EDTRiver Flood WarningINDHendricks, Morgan52 hr
Apr 30, 7:04 AM EDTRiver Flood WarningINDBoone, Marion6 hr
Apr 30, 7:20 AM EDTRiver Flood WarningINDOwen63 hr
Apr 30, 8:54 AM EDTAreal Flood WarningINDBoone, Clay, Clinton, Fountain, Hamilton, Hancock and 13 more24 hr
Apr 30, 11:17 AM EDTRiver Flood WarningINDHamilton, Marion71 hr
Apr 30, 11:17 AM EDTRiver Flood WarningINDBartholomew, Jackson3 days
Apr 30, 11:17 AM EDTRiver Flood WarningINDDaviess, Dubois, Martin, Pike8 days

Nearby

Severe Thunderstorm Warnings in Indiana, 2017Every severe thunderstorm warning in 2017

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.