Alert archive / Indiana / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 252, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Jul 7, 2017, 9:06 PM EDT for 6 counties in Indiana. It was in force for 24 min. 2 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
- Jul 7, 2017, 9:06 PM EDT (01:06 UTC)
- Expired
- Jul 7, 2017, 9:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clark County, IN, Crawford County, IN, Floyd County, IN, Harrison County, IN, Orange County, IN, Washington County, IN
The radar
The Louisville radar (KLVX), 48 km from the middle of the area, began a volume at 01:08 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 7, 9:08 PM EDT | TSTM WND DMG | 1 Ese Salem, IN | DOWNED TREES BLOCKING FAIRVIEW ROAD. |
| Jul 7, 9:25 PM EDT | TSTM WND DMG | Borden, IN | PART OF A FALLEN TREE DAMAGED A COVERED BACK PORCH IN BORDEN. |
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 7, 4:24 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.1 hours before the alert went out and 234 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1688 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 417 m²/s²
- 0-3 km storm-relative helicity
- 517 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
173 WUUS53 KLMK 080106 SVRLMK INC019-025-043-061-117-175-080130- /O.NEW.KLMK.SV.W.0252.170708T0106Z-170708T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Louisville KY 906 PM EDT FRI JUL 7 2017 The National Weather Service in Louisville has issued a * Severe Thunderstorm Warning for... Northern Harrison County in south central Indiana... Southwestern Clark County in south central Indiana... Northeastern Crawford County in south central Indiana... Floyd County in south central Indiana... Southeastern Orange County in south central Indiana... Southern Washington County in south central Indiana... * Until 930 PM EDT * At 906 PM EDT, a severe thunderstorm was located 12 miles west of New Providence Town, moving southeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... New Albany, Salem, Corydon, New Providence Town, Clarksville, Sellersburg, Galena, Blue River, New Pekin and Palmyra. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3841 8641 3863 8606 3837 8570 3808 8614 TIME...MOT...LOC 0106Z 309DEG 44KT 3842 8616 HAIL...<.75IN WIND...60MPH $$ EER
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:15 PM EDT | Special Weather Statement | LMK | Scott | 45 min |
| Jul 7, 8:30 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Floyd | 30 min |
| Jul 7, 8:36 PM EDT | Severe Thunderstorm Warning | LMK | Orange, Washington | 39 min |
| Jul 7, 9:16 PM EDT | Special Weather Statement | LMK | Dubois, Orange | 44 min |
| Jul 7, 9:31 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison | 29 min |
| Jul 7, 9:47 PM EDT | Special Weather Statement | LMK | Crawford, Perry | 43 min |
| Jul 7, 10:09 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Harrison, Perry | 23 min |
| Jul 7, 10:31 PM EDT | Special Weather Statement | LMK | Perry | 29 min |
| Jul 7, 10:50 PM EDT | Severe Thunderstorm Warning | LMK | Perry | 25 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2017Every severe thunderstorm warning in 2017
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.