Alert archive / Indiana / Tornado Warnings in 2018
Tornado Warning 25, NWS Louisville, KY
NWS Louisville, KY issued this tornado warning at Jul 20, 2018, 2:46 PM EDT for Jefferson County, Indiana. It was in force for 29 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
- Jul 20, 2018, 2:46 PM EDT (18:46 UTC)
- Expired
- Jul 20, 2018, 3:15 PM EDT
- In force
- 29 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
County Jefferson County, IN
The radar
The Louisville radar (KLVX), 103 km from the middle of the area, began a volume at 18:44 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 |
|---|---|---|---|
| Jul 20, 1:37 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.8 hours before the alert went out and 304 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
- 265 J/kg
- Mixed-layer CIN
- -249 J/kg
- Mixed-layer LCL
- 1579 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 273 m²/s²
- 0-3 km storm-relative helicity
- 343 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
267
WFUS53 KLMK 201846
TORLMK
INC077-201915-
/O.NEW.KLMK.TO.W.0025.180720T1846Z-180720T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
246 PM EDT FRI JUL 20 2018
The National Weather Service in Louisville has issued a
* Tornado Warning for...
Northern Jefferson County in south central Indiana...
* Until 315 PM EDT.
* At 246 PM EDT, a severe thunderstorm capable of producing a tornado
was located 10 miles south of Vernon, moving east at 20 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Middlefork, Belleview, Five Points, Wirt and China.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3879 8530 3880 8562 3882 8562 3883 8561
3885 8561 3885 8557 3887 8557 3887 8530
TIME...MOT...LOC 1846Z 268DEG 17KT 3883 8561
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
JDG1 follow-up statement
619
WWUS53 KLMK 201900
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
300 PM EDT FRI JUL 20 2018
INC077-201915-
/O.CON.KLMK.TO.W.0025.000000T0000Z-180720T1915Z/
Jefferson IN-
300 PM EDT FRI JUL 20 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
NORTHEASTERN JEFFERSON COUNTY...
At 259 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Madison, moving east at 25 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Middlefork, Belleview, Five Points, Wirt and China.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3880 8554 3887 8554 3887 8530 3879 8530
TIME...MOT...LOC 1859Z 265DEG 20KT 3884 8547
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
JDGThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 4:31 AM EDT | Special Weather Statement | LMK | Crawford, Orange, Perry | 29 min |
| Jul 20, 5:25 AM EDT | Special Weather Statement | LMK | Harrison | 35 min |
| Jul 20, 10:50 AM EDT | Special Weather Statement | LMK | Crawford | 40 min |
| Jul 20, 11:18 AM EDT | Special Weather Statement | LMK | Orange | 27 min |
| Jul 20, 12:54 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Harrison, Perry | 51 min |
| Jul 20, 1:33 PM EDT | Special Weather Statement | LMK | Floyd | 27 min |
| Jul 20, 1:40 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison | 50 min |
| Jul 20, 1:44 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison, Washington | 31 min |
| Jul 20, 1:51 PM EDT | Special Weather Statement | LMK | Scott, Washington | 39 min |
| Jul 20, 1:53 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Jefferson, Scott | 37 min |
| Jul 20, 2:00 PM EDT | Tornado Warning | LMK | Harrison | 45 min |
| Jul 20, 2:08 PM EDT | Severe Thunderstorm Warning | LMK | Washington | 37 min |
| Jul 20, 2:18 PM EDT | Special Weather Statement | LMK | Clark | 27 min |
| Jul 20, 2:20 PM EDT | Severe Thunderstorm Warning | LMK | Floyd | 70 min |
| Jul 20, 2:20 PM EDT | Tornado Warning | LMK | Jefferson | 25 min |
| Jul 20, 2:21 PM EDT | Severe Thunderstorm Warning | LMK | Harrison | 24 min |
| Jul 20, 2:24 PM EDT | Severe Thunderstorm Warning | LMK | Scott, Washington | 36 min |
| Jul 20, 2:28 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison | 16 min |
| Jul 20, 2:28 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Scott, Washington | 32 min |
| Jul 20, 2:32 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 28 min |
| Jul 20, 2:44 PM EDT | Severe Thunderstorm Warning | LMK | Harrison | 34 min |
| Jul 20, 2:49 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 26 min |
| Jul 20, 3:02 PM EDT | Special Weather Statement | LMK | Jefferson | 28 min |
| Jul 20, 3:14 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 16 min |
| Jul 20, 6:53 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson, Scott | 37 min |
| Jul 20, 7:08 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 37 min |
| Jul 20, 7:18 PM EDT | Severe Thunderstorm Warning | LMK | Clark | 27 min |
| Jul 20, 7:45 PM EDT | Severe Thunderstorm Warning | LMK | Clark | 15 min |
| Jul 20, 7:54 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Perry | 23 min |
Nearby
Tornado Warnings in Indiana, 2018Every tornado warning in 2018Tornadoes in 2018
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.