Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 53, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Jun 18, 2021, 10:29 PM EDT for Jefferson County, Scott County, Indiana. It was in force for 31 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
- Jun 18, 2021, 10:29 PM EDT (02:29 UTC)
- Expired
- Jun 18, 2021, 11:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Jefferson County, IN, Scott County, IN
The radar
The Louisville radar (KLVX), 100 km from the middle of the area, began a volume at 02:30 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 18, 10:51 PM EDT | TSTM WND DMG | 1 Sse Deputy, IN | DELAYED REPORT...TWITTER POST ABOUT LOTS OF DEBRIS AND TREES DOWN ON BLAKE ROAD SOUTH OF DEPUTY. TIME ESTIMATED FROM RADAR. |
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 |
|---|---|---|---|
| Jun 18, 9:09 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.5 hours before the alert went out and 170 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.
- Mixed-layer CAPE
- 2257 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1236 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 17.6
The text
As transmitted.
373
WUUS53 KLMK 190229
SVRLMK
INC077-143-190300-
/O.NEW.KLMK.SV.W.0053.210619T0229Z-210619T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
1029 PM EDT Fri Jun 18 2021
The National Weather Service in Louisville has issued a
* Severe Thunderstorm Warning for...
Northwestern Jefferson County in south central Indiana...
North central Scott County in south central Indiana...
* Until 1100 PM EDT.
* At 1029 PM EDT, a severe thunderstorm was located 8 miles southeast
of Seymour, 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.
* This severe thunderstorm will remain over mainly rural areas of
northwestern Jefferson and north central Scott Counties, including
the following locations... Wakefield, Middlefork, Dupont, Volga,
Five Points and Deputy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large 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 3888 8543 3873 8555 3880 8580 3882 8574
3883 8573 3882 8572 3883 8571 3882 8570
3882 8563 3883 8561 3885 8561 3885 8557
3888 8557 3888 8554 3890 8554
TIME...MOT...LOC 0229Z 290DEG 27KT 3885 8580
HAIL...1.00IN
WIND...60MPH
$$
SCHOETTMER2 follow-up statements
487
WWUS53 KLMK 190245
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
1045 PM EDT Fri Jun 18 2021
INC077-143-190300-
/O.CON.KLMK.SV.W.0053.000000T0000Z-210619T0300Z/
Jefferson IN-Scott IN-
1045 PM EDT Fri Jun 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN JEFFERSON AND NORTH CENTRAL SCOTT COUNTIES...
At 1045 PM EDT, a severe thunderstorm was located 10 miles northeast
of Scottsburg, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Dupont, Wakefield, Middlefork, Volga, Five Points and Deputy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3888 8543 3873 8555 3880 8580 3882 8574
3883 8573 3882 8572 3883 8571 3882 8570
3882 8563 3883 8561 3885 8561 3885 8557
3888 8557 3888 8554 3890 8554
TIME...MOT...LOC 0245Z 290DEG 27KT 3881 8565
HAIL...1.00IN
WIND...60MPH
$$
SCHOETTMER504
WWUS53 KLMK 190300
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
1100 PM EDT Fri Jun 18 2021
INC077-143-190310-
/O.EXP.KLMK.SV.W.0053.000000T0000Z-210619T0300Z/
Jefferson IN-Scott IN-
1100 PM EDT Fri Jun 18 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JEFFERSON AND
NORTH CENTRAL SCOTT COUNTIES 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.
A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
south central Indiana.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Louisville.
LAT...LON 3888 8543 3873 8555 3880 8580 3882 8574
3883 8573 3882 8572 3883 8571 3882 8570
3882 8563 3883 8561 3885 8561 3885 8557
3888 8557 3888 8554 3890 8554
TIME...MOT...LOC 0300Z 290DEG 27KT 3877 8552
$$
SCHOETTMERThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 10:59 PM EDT | Special Weather Statement | LMK | Jefferson | 31 min |
| Jun 18, 11:20 PM EDT | Special Weather Statement | LMK | Jefferson | 25 min |
| Jun 18, 11:27 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 33 min |
| Jun 18, 11:39 PM EDT | Flash Flood Warning | LMK | Jefferson | 6 hr |
| Jun 18, 11:50 PM EDT | Special Weather Statement | LMK | Orange, Washington | 25 min |
| Jun 19, 12:12 AM EDT | Special Weather Statement | LMK | Scott | 33 min |
| Jun 19, 12:48 AM EDT | Special Weather Statement | LMK | Clark, Jefferson | 27 min |
| Jun 19, 1:07 AM EDT | Areal Flood Advisory | LMK | Jefferson | 3 hr |
| Jun 19, 7:15 AM EDT | Special Weather Statement | LMK | Clark, Crawford, Dubois, Orange, Scott, Washington | 45 min |
| Jun 19, 7:53 AM EDT | Special Weather Statement | LMK | Clark, Jefferson, Scott | 37 min |
| Jun 19, 8:27 AM EDT | Special Weather Statement | LMK | Harrison | 33 min |
| Jun 19, 11:30 AM EDT | Special Weather Statement | LMK | Dubois, Orange, Washington | 45 min |
| Jun 19, 12:02 PM EDT | Special Weather Statement | LMK | Harrison | 28 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2021Every 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.