Alert archive / Indiana / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Indianapolis, IN

May 14, 20096 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 14, 2009, 2:37 AM EDT for 6 counties in Indiana. It was in force for 53 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: May 14, 2009, 2:37 AM EDT (06:37 UTC)
Expired: May 14, 2009, 3:30 AM EDT
In force: 53 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

Counties Clay County, IN, Greene County, IN, Knox County, IN, Owen County, IN, Sullivan County, IN, Vigo County, IN

The radar

The Evansville,IN radar (KVWX), 99 km from the middle of the area, began a volume at 06:37 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 14, 1:42 AM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.6 hours before the alert went out and 148 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: 1574 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 930 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 350 m²/s²
0-3 km storm-relative helicity: 407 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 8.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 140637
SVRIND
INC021-055-083-119-153-167-140730-
/O.NEW.KIND.SV.W.0021.090514T0637Z-090514T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
237 AM EDT THU MAY 14 2009

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN GREENE COUNTY IN SOUTHWEST INDIANA...
  NORTH CENTRAL KNOX COUNTY IN SOUTHWEST INDIANA...
  SULLIVAN COUNTY IN SOUTHWEST INDIANA...
  SOUTHERN CLAY COUNTY IN WEST CENTRAL INDIANA...
  SOUTHERN OWEN COUNTY IN WEST CENTRAL INDIANA...
  SOUTHERN VIGO COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 330 AM EDT

* AT 136 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM FAIRBANKS TO 20 MILES SOUTHWEST OF MEROM...OR ALONG
  A LINE EXTENDING FROM 11 MILES SOUTHEAST OF MARSHALL TO 11 MILES
  SOUTHWEST OF ROBINSON...AND MOVING EAST AT 50 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  GRAYSVILLE AROUND 245 AM EDT...
  PIMENTO AROUND 250 AM EDT...
  SULLIVAN AROUND 255 AM EDT...
  PAXTON AROUND 300 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3916 8767 3922 8759 3925 8759 3926 8762
      3931 8763 3933 8761 3936 8684 3930 8670
      3894 8714 3882 8753 3888 8756 3896 8754
      3899 8759 3906 8759 3911 8767 3914 8767
TIME...MOT...LOC 0638Z 269DEG 44KT 3925 8758 3889 8785

$$

CO

2 follow-up statements

000 
WWUS53 KIND 140707
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
307 AM EDT THU MAY 14 2009

INC021-055-083-119-153-167-140730-
/O.CON.KIND.SV.W.0021.000000T0000Z-090514T0730Z/
CLAY-GREENE-KNOX-OWEN-SULLIVAN-VIGO-
307 AM EDT THU MAY 14 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM EDT 
FOR NORTH CENTRAL KNOX...WESTERN GREENE...SULLIVAN...SOUTHERN 
OWEN...SOUTHERN CLAY AND SOUTHERN VIGO COUNTIES...

AT 307 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CLAY CITY TO OAKTOWN...OR ALONG A LINE EXTENDING FROM
20 MILES SOUTHEAST OF TERRE HAUTE TO 16 MILES NORTH OF VINCENNES...
MOVING EAST AT 50 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  PLEASANTVILLE AROUND 315 AM EDT...
  PATRICKSBURG AROUND 320 AM EDT...
  SPENCER AROUND 325 AM EDT...
  MCCORMICKS CREEK STATE PARK AROUND 330 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3916 8767 3922 8759 3925 8759 3926 8762
      3931 8763 3933 8761 3936 8684 3930 8670
      3894 8714 3882 8753 3888 8756 3896 8754
      3899 8759 3906 8759 3911 8767 3914 8767
TIME...MOT...LOC 0707Z 269DEG 44KT 3925 8713 3890 8740

$$

000 
WWUS53 KIND 140727
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
327 AM EDT THU MAY 14 2009

INC021-055-083-119-153-167-140737-
/O.EXP.KIND.SV.W.0021.000000T0000Z-090514T0730Z/
CLAY-GREENE-KNOX-OWEN-SULLIVAN-VIGO-
327 AM EDT THU MAY 14 2009

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL KNOX...WESTERN
GREENE...SULLIVAN...SOUTHERN OWEN...SOUTHERN CLAY AND SOUTHERN VIGO 
COUNTIES WILL EXPIRE AT 330 AM EDT...

LAT...LON 3916 8767 3922 8759 3925 8759 3926 8762
      3931 8763 3933 8761 3936 8684 3930 8670
      3894 8714 3882 8753 3888 8756 3896 8754
      3899 8759 3906 8759 3911 8767 3914 8767
TIME...MOT...LOC 0727Z 269DEG 44KT 3925 8682 3890 8709

$$

CO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 8:56 PM EDT	Areal Flood Warning	IND	Daviess, Greene, Knox, Martin, Sullivan	12 hr
May 13, 9:00 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Hendricks, Henry, Johnson, Marion, Rush and 1 more	45 min
May 13, 10:29 PM EDT	Areal Flood Warning	IND	Clay, Greene, Monroe, Morgan, Owen	3 hr
May 14, 1:31 AM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke, Tippecanoe, Vermillion, Warren	44 min
May 14, 1:49 AM EDT	Flash Flood Warning	IND	Fountain, Parke, Vermillion, Warren	3 hr
May 14, 2:14 AM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Fountain, Hendricks, Montgomery, Parke and 3 more	51 min
May 14, 2:20 AM EDT	Flash Flood Warning	IND	Clay, Parke, Vermillion, Vigo	3 hr
May 14, 2:21 AM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Parke, Putnam, Vermillion, Vigo	54 min
May 14, 2:56 AM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Hendricks, Marion, Putnam and 1 more	45 min
May 14, 3:14 AM EDT	Flash Flood Warning	IND	Daviess, Greene, Knox, Sullivan	3 hr
May 14, 3:16 AM EDT	Severe Thunderstorm Warning	IND	Clay, Johnson, Marion, Monroe, Morgan, Owen and 1 more	44 min
May 14, 3:19 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Hancock, Henry, Madison, Marion and 3 more	44 min
May 14, 3:26 AM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Johnson, Lawrence, Monroe, Morgan and 1 more	49 min
May 14, 3:40 AM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	50 min
May 14, 3:59 AM EDT	Areal Flood Warning	IND	Daviess, Knox, Martin	2 hr
May 14, 4:24 AM EDT	Flash Flood Warning	IND	Lawrence, Martin	96 min
May 14, 4:44 AM EDT	Flash Flood Warning	IND	Jackson, Jennings	3 hr
May 14, 6:08 AM EDT	Areal Flood Warning	IND	Clay, Greene, Monroe, Owen, Parke, Putnam	3 hr
May 14, 6:23 AM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Hancock, Hendricks, Johnson, Lawrence and 7 more	15 hr
May 14, 7:47 AM EDT	Areal Flood Warning	IND	Jackson, Jennings	13 hr
May 14, 8:27 AM EDT	Areal Flood Warning	IND	Parke, Vermillion, Vigo	3 hr
May 14, 8:45 AM EDT	Areal Flood Warning	IND	Clay, Daviess, Greene, Knox, Martin, Owen and 3 more	12 hr
May 14, 11:20 AM EDT	River Flood Warning	IND	Shelby	48 hr
May 14, 11:20 AM EDT	River Flood Warning	IND	Bartholomew, Jackson	3 days
May 14, 11:20 AM EDT	River Flood Warning	IND	Lawrence, Martin	8 days
May 14, 11:20 AM EDT	River Flood Warning	IND	Lawrence, Martin	7 days
May 14, 11:20 AM EDT	River Flood Warning	IND	Lawrence, Martin	8 days
May 14, 11:20 AM EDT	River Flood Warning	IND	Daviess, Dubois, Martin, Pike	6 days
May 14, 11:20 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	8 days
May 14, 11:20 AM EDT	River Flood Warning	IND	Morgan, Owen	39 hr
May 14, 11:20 AM EDT	River Flood Warning	IND	Morgan, Owen	39 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2009 Every severe thunderstorm warning in 2009

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.