Alert archive / Indiana / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 48, NWS Indianapolis, IN

May 7, 2016Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 7, 2016, 7:47 PM EDT for Knox County, Indiana. It was in force for 43 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
May 7, 2016, 7:47 PM EDT (23:47 UTC)
Expired
May 7, 2016, 8:30 PM EDT
In force
43 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Knox County, IN

The radar

The Evansville,IN radar (KVWX), 64 km from the middle of the area, began a volume at 23:47 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
May 7, 8:02 PM EDTTSTM WND DMG4 Ne Vincennes, INTREES DOWN ON OR NEAR US 41
May 7, 8:05 PM EDTTSTM WND DMG5 Nw Monroe City, INUTILITY LINES DOWN ON STATE ROAD 61 BETWEEN VINCENNES AND MONROE CITY

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.

IssuedProductOfficeLasted
May 7, 7:08 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.8 hours before the alert went out and 181 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 12:00Z on 2016-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2016-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
-438 J/kg
Mixed-layer LCL
2063 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

053 
WUUS53 KIND 072347
SVRIND
INC083-080030-
/O.NEW.KIND.SV.W.0048.160507T2347Z-160508T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
747 PM EDT SAT MAY 7 2016

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL KNOX COUNTY IN SOUTHWESTERN INDIANA...

* UNTIL 830 PM EDT

* AT 747 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST
  OF PALESTINE...OR 13 MILES EAST OF ROBINSON...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...
  VINCENNES...RUSSELLVILLE...BICKNELL...OAKTOWN...BRUCEVILLE...
  EDWARDSPORT...FREELANDVILLE AND VINCENNES UNIVERSITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3890 8753 3890 8724 3882 8724 3878 8725
      3878 8726 3875 8729 3865 8736 3868 8754
      3869 8752 3871 8752 3874 8750 3877 8750
      3877 8751 3878 8749 3882 8753 3885 8753
      3886 8755
TIME...MOT...LOC 2347Z 317DEG 24KT 3896 8749 

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

JAS
2 follow-up statements
271 
WWUS53 KIND 080005
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
805 PM EDT SAT MAY 7 2016

INC083-080030-
/O.CON.KIND.SV.W.0048.000000T0000Z-160508T0030Z/
KNOX IN-
805 PM EDT SAT MAY 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR NORTH CENTRAL KNOX COUNTY...

AT 805 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
RUSSELLVILLE...OR 9 MILES NORTHEAST OF VINCENNES...MOVING SOUTHEAST AT
45 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...
BICKNELL...BRUCEVILLE AND EDWARDSPORT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3880 8749 3887 8737 3881 8724 3878 8725
      3878 8726 3875 8729 3865 8736 3866 8743
      3873 8750 3877 8750 3877 8751 3878 8749
TIME...MOT...LOC 0005Z 315DEG 37KT 3878 8740 

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

JAS
966 
WWUS53 KIND 080025
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
825 PM EDT SAT MAY 7 2016

INC083-080034-
/O.EXP.KIND.SV.W.0048.000000T0000Z-160508T0030Z/
KNOX IN-
825 PM EDT SAT MAY 7 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KNOX COUNTY WILL
EXPIRE AT 830 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT FOR
SOUTHWESTERN INDIANA.

LAT...LON 3880 8749 3887 8737 3881 8724 3878 8725
      3878 8726 3875 8729 3865 8736 3866 8743
      3873 8750 3877 8750 3877 8751 3878 8749
TIME...MOT...LOC 0023Z 317DEG 24KT 3878 8740 

$$

JAS

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 7:23 PM EDTSevere Thunderstorm WarningINDSullivan37 min
May 7, 7:33 PM EDTSevere Thunderstorm WarningINDDaviess, Knox42 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2016Every 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.