Alert archive / Indiana / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 142, NWS Indianapolis, IN

July 12, 20174 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 12, 2017, 5:34 PM EDT for 4 counties in Indiana. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 12, 2017, 5:34 PM EDT (21:34 UTC)
Expired: Jul 12, 2017, 6:15 PM EDT
In force: 41 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, IN, Parke County, IN, Vermillion County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 82 km from the middle of the area, began a volume at 21:35 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 130 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: 1083 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 1094 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

996 
WUUS53 KIND 122134
SVRIND
INC021-121-165-167-122215-
/O.NEW.KIND.SV.W.0142.170712T2134Z-170712T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
534 PM EDT WED JUL 12 2017

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Northeastern Vigo County in west central Indiana...
  Northwestern Clay County in west central Indiana...
  Southern Parke County in west central Indiana...
  Southeastern Vermillion County in west central Indiana...

* Until 615 PM EDT.

* At 533 PM EDT, a severe thunderstorm was located near Clinton, or
  15 miles north of Terre Haute, moving southeast at 30 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, Brazil, Clinton, Fairview Park, Seelyville,
  Knightsville, Rosedale, Harmony, Staunton, Carbon, Mecca, Fontanet,
  Shepardsville, Lena, Bridgeton and North Terre Haute.

This includes Interstate 70 between mile markers 14 and 20.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3978 8732 3966 8701 3955 8701 3938 8726
      3966 8746
TIME...MOT...LOC 2133Z 311DEG 27KT 3969 8735 

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

TDUD

2 follow-up statements

810 
WWUS53 KIND 122200
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
600 PM EDT WED JUL 12 2017

INC165-122209-
/O.CAN.KIND.SV.W.0142.000000T0000Z-170712T2215Z/
Vermillion IN-
600 PM EDT WED JUL 12 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN VERMILLION COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning has been cancelled.

LAT...LON 3969 8739 3976 8729 3966 8701 3955 8701
      3942 8722 3961 8739 3961 8738 3965 8739
TIME...MOT...LOC 2159Z 311DEG 27KT 3956 8716 

$$

INC021-121-167-122215-
/O.CON.KIND.SV.W.0142.000000T0000Z-170712T2215Z/
Vigo IN-Clay IN-Parke IN-
600 PM EDT WED JUL 12 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHEASTERN VIGO...NORTHWESTERN CLAY AND SOUTHERN PARKE
COUNTIES...

At 559 PM EDT, a severe thunderstorm was located over Brazil, or 13
miles northeast of Terre Haute, moving southeast at 30 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...
Brazil, Seelyville, Knightsville, Rosedale, Harmony, Staunton,
Carbon, Mecca, Fontanet, Bridgeton and Lena.

This includes Interstate 70 between mile markers 17 and 20.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3969 8739 3976 8729 3966 8701 3955 8701
      3942 8722 3961 8739 3961 8738 3965 8739
TIME...MOT...LOC 2159Z 311DEG 27KT 3956 8716 

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

TDUD

989 
WWUS53 KIND 122210
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
610 PM EDT WED JUL 12 2017

INC021-121-167-122220-
/O.EXP.KIND.SV.W.0142.000000T0000Z-170712T2215Z/
Vigo IN-Clay IN-Parke IN-
610 PM EDT WED JUL 12 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN VIGO...
NORTHWESTERN CLAY AND SOUTHERN PARKE COUNTIES WILL EXPIRE AT 615 PM
EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.

LAT...LON 3969 8739 3976 8729 3966 8701 3955 8701
      3942 8722 3961 8739 3961 8738 3965 8739
TIME...MOT...LOC 2210Z 311DEG 27KT 3951 8709 

$$

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Hendricks, Morgan	17 hr
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Marion, Morgan	53 hr
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Daviess, Greene, Knox	7 days
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	9 days
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Gibson, Knox	9 days
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Shelby	35 hr
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Bartholomew, Johnson, Shelby	67 hr
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Bartholomew, Jackson	50 hr
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	5 days
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Hancock	20 hr
Jul 11, 8:34 PM EDT	River Flood Warning	IND	Johnson	46 hr
Jul 11, 11:29 PM EDT	River Flood Warning	IND	Boone, Marion	9 hr
Jul 11, 11:29 PM EDT	River Flood Warning	IND	Marion	32 hr
Jul 12, 6:09 AM EDT	Areal Flood Warning	IND	Johnson, Morgan	9 hr
Jul 12, 7:15 AM EDT	River Flood Warning	IND	Putnam	16 hr
Jul 12, 10:43 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	5 days
Jul 12, 1:49 PM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 26 more	38 hr
Jul 12, 2:05 PM EDT	Severe Thunderstorm Warning	IND	Carroll	40 min
Jul 12, 3:54 PM EDT	Areal Flood Warning	IND	Carroll, Clinton, Tippecanoe	3 hr
Jul 12, 4:14 PM EDT	Special Weather Statement	IND	Clinton	46 min
Jul 12, 4:19 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Montgomery, Tipton	26 min
Jul 12, 4:52 PM EDT	Special Weather Statement	IND	Hendricks, Marion	38 min
Jul 12, 5:28 PM EDT	Special Weather Statement	IND	Parke	47 min
Jul 12, 6:06 PM EDT	Areal Flood Warning	IND	Parke, Vermillion	3 hr
Jul 12, 6:51 PM EDT	Special Weather Statement	IND	Vigo	39 min
Jul 12, 6:54 PM EDT	Severe Thunderstorm Warning	IND	Clay, Sullivan, Vigo	36 min
Jul 12, 7:13 PM EDT	Flash Flood Warning	IND	Clay, Parke, Vermillion, Vigo	4 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2017 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.