Alert archive / Indiana / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 13, NWS Indianapolis, IN

April 8, 2015Daviess County, Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 8, 2015, 4:16 PM EDT for Daviess County, Knox County, Indiana. It was in force for 44 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, 4:16 PM EDT (20:16 UTC)
Expired: Apr 8, 2015, 5:00 PM EDT
In force: 44 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Daviess County, IN, Knox County, IN

The radar

The Evansville,IN radar (KVWX), 54 km from the middle of the area, began a volume at 20:20 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, 4:27 PM EDT	HAIL 0.7	Monroe City, 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

Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 213 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: 195 J/kg
Mixed-layer CIN: -238 J/kg
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

802 
WUUS53 KIND 082016
SVRIND
INC027-083-082100-
/O.NEW.KIND.SV.W.0013.150408T2016Z-150408T2100Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIESS COUNTY IN SOUTHWEST INDIANA...
  CENTRAL KNOX COUNTY IN SOUTHWEST INDIANA...

* UNTIL 500 PM EDT

* AT 415 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES NORTHWEST
  OF PETERSBURG...AND MOVING EAST 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...
  WASHINGTON...MONROE CITY...WHEATLAND...GLENDALE FISHERY...
  MONTGOMERY...CANNELBURG...WEST BOGGS LAKE AND ALFORDSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3853 8710 3851 8715 3855 8719 3853 8722
      3854 8725 3850 8730 3854 8735 3851 8737
      3854 8740 3852 8741 3853 8746 3867 8747
      3884 8692 3851 8693 3850 8707
TIME...MOT...LOC 2016Z 252DEG 24KT 3859 8737

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

$$
DRT

1 follow-up statement

385 
WWUS53 KIND 082034
SVSIND

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

INC027-083-082100-
/O.CON.KIND.SV.W.0013.000000T0000Z-150408T2100Z/
KNOX IN-DAVIESS IN-
434 PM EDT WED APR 8 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DAVIESS AND
CENTRAL KNOX COUNTIES UNTIL 500 PM EDT...

AT 432 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTH OF
PETERSBURG...AND MOVING EAST AT 30 MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
WASHINGTON...GLENDALE FISHERY...MONTGOMERY...CANNELBURG...
ALFORDSVILLE AND WEST BOGGS LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3853 8710 3851 8715 3855 8719 3853 8722
      3854 8725 3850 8730 3854 8735 3851 8737
      3854 8740 3852 8741 3853 8746 3867 8747
      3884 8692 3851 8693 3850 8707
TIME...MOT...LOC 2034Z 252DEG 24KT 3858 8723

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH

$$
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, 4:25 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, 5:24 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Marion, Shelby	36 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.