Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 271, NWS Louisville, KY

July 1, 2012Dubois County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 1, 2012, 7:01 PM EDT for Dubois County, Indiana. It was in force for 29 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: Jul 1, 2012, 7:01 PM EDT (23:01 UTC)
Expired: Jul 1, 2012, 7:30 PM EDT
In force: 29 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Dubois County, IN

The radar

The Evansville,IN radar (KVWX), 70 km from the middle of the area, began a volume at 23:02 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
Jul 1, 7:07 PM EDT	TSTM WND DMG	4 N Ireland, IN	NUMEROUS TREES DOWN

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
Jul 1, 5:59 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 232 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: 2061 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1957 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

470 
WUUS53 KLMK 012301
SVRLMK
INC037-012330-
/O.NEW.KLMK.SV.W.0271.120701T2301Z-120701T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
701 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN DUBOIS COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 730 PM EDT

* AT 656 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  IRELAND...MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  PORTERSVILLE...
  HAYSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER IN A SUBSTANTIAL SHELTER. THIS STORM WILL PRODUCE A BURST
OF DAMAGING WINDS...LARGE HAIL...TORRENTIAL RAINS...AND FREQUENT
LIGHTNING. MINOR FLOODING IS POSSIBLE IN LOW SPOTS.

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

&&

LAT...LON 3851 8707 3852 8703 3851 8698 3851 8696
      3849 8695 3851 8694 3850 8688 3851 8685
      3841 8679 3838 8707 3843 8708
TIME...MOT...LOC 2301Z 244DEG 15KT 3841 8702
WIND...HAIL 60MPH 1.00IN

$$

SCHOETTMER

1 follow-up statement

258 
WWUS53 KLMK 012327
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
727 PM EDT SUN JUL 1 2012

INC037-012338-
/O.EXP.KLMK.SV.W.0271.000000T0000Z-120701T2330Z/
DUBOIS IN-
727 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DUBOIS COUNTY
WILL EXPIRE AT 730 PM EDT...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER
SEVERE. HOWEVER STRONG STORMS REMAIN IN THE AREA. THESE ARE CAPABLE
OF PRODUCING PERIODS OF HEAVY RAIN AND DANGEROUS LIGHTNING.

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

LAT...LON 3851 8707 3852 8703 3851 8698 3851 8696
      3849 8695 3851 8694 3850 8688 3851 8685
      3841 8679 3838 8707 3843 8708
TIME...MOT...LOC 2328Z 244DEG 15KT 3846 8689

$$

SCHOETTMER

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 5:09 AM EDT	Special Weather Statement	LMK	Jefferson	26 min
Jul 1, 5:40 AM EDT	Special Weather Statement	LMK	Jefferson	20 min
Jul 1, 3:35 PM EDT	Heat Advisory	LMK	Clark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more	28 hr
Jul 1, 5:56 PM EDT	Special Weather Statement	LMK	Jefferson	29 min
Jul 1, 6:00 PM EDT	Special Weather Statement	LMK	Dubois	30 min
Jul 1, 6:06 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	29 min
Jul 1, 6:16 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	29 min
Jul 1, 6:33 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	32 min
Jul 1, 6:42 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Scott	28 min
Jul 1, 6:44 PM EDT	Special Weather Statement	LMK	Crawford	31 min
Jul 1, 6:47 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Orange	28 min
Jul 1, 6:51 PM EDT	Severe Thunderstorm Warning	LMK	Scott, Washington	29 min
Jul 1, 6:57 PM EDT	Special Weather Statement	LMK	Dubois	28 min
Jul 1, 7:02 PM EDT	Severe Thunderstorm Warning	LMK	Perry	33 min
Jul 1, 7:04 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	31 min
Jul 1, 7:09 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Perry	31 min
Jul 1, 7:14 PM EDT	Special Weather Statement	LMK	Orange	31 min
Jul 1, 7:15 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Jefferson, Scott	30 min
Jul 1, 7:20 PM EDT	Severe Thunderstorm Warning	LMK	Orange, Washington	30 min
Jul 1, 7:26 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison, Perry	29 min
Jul 1, 7:46 PM EDT	Special Weather Statement	LMK	Scott	29 min
Jul 1, 7:56 PM EDT	Special Weather Statement	LMK	Harrison	29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every severe thunderstorm warning in 2012

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.