Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 62, NWS Louisville, KY

June 29, 2021Harrison County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jun 29, 2021, 7:04 PM EDT for Harrison County, Indiana. It was in force for 26 min. 4 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: Jun 29, 2021, 7:04 PM EDT (23:04 UTC)
Expired: Jun 29, 2021, 7:30 PM EDT
In force: 26 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Harrison County, IN

The radar

The Louisville radar (KLVX), 44 km from the middle of the area, began a volume at 23:04 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
Jun 29, 7:15 PM EDT	TSTM WND DMG	1 Nnw Ramsey, IN	HARRISON COUNTY DISPATCH REPORTED 5 OR 6 POWER POLES DOWN ON HIGHWAY 64 IN RAMSEY.
Jun 29, 7:18 PM EDT	TSTM WND DMG	Depauw, IN	TRAINED SPOTTER RECEIVED REPORTS OF TREES AND POWERLINES DOWN IN DEPAUW.
Jun 29, 7:20 PM EDT	TSTM WND DMG	2 W Hancock Chapel, IN	DAMAGE REPORTED ALONG TOTTEN FORD ROAD. TREES AND POWER LINES DOWN.
Jun 29, 7:24 PM EDT	TSTM WND DMG	1 Ene Palmyra, IN	TRAINED SPOTTER RELAYED A REPORT OF AN UPROOTED TREE NEAR BUFFALO TRACE PARK JUST EAST OF PALMYRA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.1 hours before the alert went out and 237 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: 1541 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1248 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

606 
WUUS53 KLMK 292304
SVRLMK
INC061-292330-
/O.NEW.KLMK.SV.W.0062.210629T2304Z-210629T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
704 PM EDT Tue Jun 29 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Harrison County in south central Indiana...

* Until 730 PM EDT.

* At 703 PM EDT, a severe thunderstorm was located 8 miles north of
  Corydon, and is nearly stationary.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  northwestern Harrison County, including the following locations...
  New Salisbury, Moberly, Depauw, Fairdale, Palmyra, Ramsey, Hancock
  Chapel, Frenchtown and Central Barren.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Hail and damaging winds and continuous cloud to ground lightning is 
occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3826 8609 3825 8624 3841 8625 3842 8611
      3842 8610
TIME...MOT...LOC 2303Z 175DEG 2KT 3833 8617 

HAIL...0.75IN
WIND...60MPH
 
$$

SCHOETTMER

2 follow-up statements

033 
WWUS53 KLMK 292320
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
720 PM EDT Tue Jun 29 2021

INC061-292330-
/O.CON.KLMK.SV.W.0062.000000T0000Z-210629T2330Z/
Harrison IN-
720 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN HARRISON COUNTY...

At 720 PM EDT, a severe thunderstorm was located 9 miles north of
Corydon, and is nearly stationary.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Palmyra, New Salisbury, Moberly, Depauw, Fairdale, Ramsey, Hancock
Chapel, Frenchtown and Central Barren.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3826 8609 3825 8624 3841 8625 3842 8611
      3842 8610
TIME...MOT...LOC 2320Z 175DEG 2KT 3834 8617 

HAIL...<.75IN
WIND...60MPH
 
$$

SCHOETTMER

883 
WWUS53 KLMK 292332
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
732 PM EDT Tue Jun 29 2021

INC061-292342-
/O.EXP.KLMK.SV.W.0062.000000T0000Z-210629T2330Z/
Harrison IN-
732 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HARRISON COUNTY
HAS EXPIRED...
                
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 has been allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3826 8609 3825 8624 3841 8625 3842 8611
      3842 8610
TIME...MOT...LOC 2332Z 175DEG 2KT 3835 8617 

$$

SCHOETTMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 5:00 PM EDT	Special Weather Statement	LMK	Washington	30 min
Jun 29, 5:21 PM EDT	Special Weather Statement	LMK	Floyd	24 min
Jun 29, 5:44 PM EDT	Special Weather Statement	LMK	Floyd	31 min
Jun 29, 6:29 PM EDT	Special Weather Statement	LMK	Dubois	31 min
Jun 29, 6:31 PM EDT	Special Weather Statement	LMK	Scott	29 min
Jun 29, 6:52 PM EDT	Special Weather Statement	LMK	Harrison	23 min
Jun 29, 7:12 PM EDT	Special Weather Statement	LMK	Jefferson	33 min
Jun 29, 7:37 PM EDT	Special Weather Statement	LMK	Harrison	23 min
Jun 29, 7:48 PM EDT	Special Weather Statement	LMK	Crawford	27 min
Jun 29, 7:53 PM EDT	Special Weather Statement	LMK	Floyd	37 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021 Every severe thunderstorm warning in 2021

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.