Alert archive / Kentucky / Flash Flood Watches in 2020
Flash Flood Watch 8, NWS Jackson, KY
NWS Jackson, KY issued this flash flood watch at Sep 13, 2020, 4:59 AM EDT for 18 counties in Kentucky. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Sep 13, 2020, 4:59 AM EDT (08:59 UTC)
- Expired
- Sep 13, 2020, 5:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Jackson, KY
- Flood severity
- None
Counties Bath County, KY, Breathitt County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Jackson County, KY, Laurel County, KY, Lee County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Wolfe County, KY
The radar
The Jackson,KY radar (KJKL), 40 km from the middle of the area, began a volume at 08:59 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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.0 hours before the alert went out and 192 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
- 1256 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.6
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jackson, KY wrote its last area forecast discussion before this flash flood watch went out at Sep 13, 3:44 AM EDT, 1 hour 15 minutes earlier.
Area forecast discussion, Sep 13, 3:44 AM EDT, 1 hour 15 minutes before
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</html>Hazardous weather outlook, Sep 13, 12:35 AM EDT, 4 hours 24 minutes before
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</html>In the hours before
Local storm report, Sep 13, 1:14 AM EDT, 3 hours 45 minutes before
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</html>Local storm report, Sep 13, 1:19 AM EDT, 3 hours 40 minutes before
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</html>Local storm report, Sep 13, 1:24 AM EDT, 3 hours 35 minutes before
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</html>Local storm report, Sep 13, 4:24 AM EDT, 35 minutes before
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</html>Local storm report, Sep 13, 4:45 AM EDT, 14 minutes before
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</html>Local storm report, Sep 13, 4:48 AM EDT, 11 minutes before
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</html>The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 8:46 PM EDT | Areal Flood Advisory | JKL | Morgan | 3 hr |
| Sep 12, 9:05 PM EDT | Special Weather Statement | JKL | Elliott, Morgan | 40 min |
| Sep 12, 9:09 PM EDT | Areal Flood Advisory | JKL | Elliott, Magoffin, Morgan, Wolfe | 3 hr |
| Sep 12, 9:47 PM EDT | Flash Flood Warning | JKL | Morgan | 5 hr |
| Sep 12, 9:51 PM EDT | Areal Flood Advisory | JKL | Bath, Menifee, Morgan, Powell, Rowan, Wolfe | 3 hr |
| Sep 12, 10:01 PM EDT | Areal Flood Advisory | JKL | Jackson, Laurel | 3 hr |
| Sep 12, 10:09 PM EDT | Areal Flood Advisory | JKL | Bath, Estill, Jackson, Lee, Menifee, Montgomery and 2 more | 3 hr |
| Sep 12, 10:20 PM EDT | Areal Flood Advisory | JKL | Bath, Fleming, Rowan | 3 hr |
| Sep 12, 10:38 PM EDT | Areal Flood Advisory | JKL | Estill, Jackson, Lee, Owsley | 3 hr |
| Sep 12, 10:40 PM EDT | Areal Flood Advisory | JKL | Elliott, Morgan, Rowan | 6 hr |
| Sep 12, 10:50 PM EDT | Flash Flood Warning | JKL | Menifee, Morgan | 115 min |
| Sep 12, 10:58 PM EDT | Flash Flood Warning | JKL | Jackson, Lee, Owsley | 3 hr |
| Sep 12, 11:21 PM EDT | Flash Flood Warning | JKL | Bath, Elliott, Morgan, Rowan | 114 min |
| Sep 13, 12:45 AM EDT | Areal Flood Warning | JKL | Bath, Menifee, Morgan, Rowan | 6 hr |
| Sep 13, 1:37 AM EDT | Areal Flood Advisory | JKL | Jackson, Owsley | 3 hr |
| Sep 13, 2:27 AM EDT | Areal Flood Advisory | JKL | Montgomery | 3 hr |
| Sep 13, 2:49 AM EDT | Areal Flood Advisory | JKL | Bath, Fleming | 3 hr |
| Sep 13, 4:05 AM EDT | Areal Flood Warning | JKL | Lee, Menifee, Powell, Wolfe | 3 hr |
| Sep 13, 6:58 AM EDT | River Flood Warning | JKL | Estill, Powell | 26 hr |
| Sep 13, 7:31 AM EDT | Areal Flood Warning | JKL | Bath, Fleming, Montgomery, Rowan | 5 hr |
| Sep 13, 9:01 AM EDT | Areal Flood Warning | JKL | Bath, Menifee, Montgomery, Powell, Rowan | 5 hr |
| Sep 13, 10:03 AM EDT | Areal Flood Advisory | JKL | Jackson, Laurel, Pulaski, Rockcastle | 3 hr |
| Sep 13, 10:14 AM EDT | Areal Flood Advisory | JKL | Elliott, Estill, Jackson, Lee, Menifee, Morgan and 3 more | 7 hr |
| Sep 13, 11:00 AM EDT | Areal Flood Advisory | JKL | Jackson, Lee, Owsley | 3 hr |
| Sep 13, 12:48 PM EDT | Flash Flood Warning | JKL | Jackson, Owsley | 6 hr |
| Sep 13, 12:59 PM EDT | Areal Flood Advisory | JKL | Jackson, Pulaski, Rockcastle | 4 hr |
| Sep 13, 1:47 PM EDT | Areal Flood Advisory | JKL | Knox, Whitley | 5 hr |
| Sep 13, 1:50 PM EDT | Areal Flood Advisory | JKL | Jackson, Lee, Owsley | 4 hr |
| Sep 13, 2:23 PM EDT | Special Weather Statement | JKL | Knott, Letcher, Perry | 37 min |
| Sep 13, 3:04 PM EDT | Special Weather Statement | JKL | Letcher | 26 min |
| Sep 13, 3:19 PM EDT | Areal Flood Advisory | JKL | Knott, Leslie, Letcher, Perry | 2 hr |
| Sep 13, 3:41 PM EDT | Areal Flood Advisory | JKL | Knox, McCreary, Whitley | 3 hr |
| Sep 13, 6:43 PM EDT | Areal Flood Warning | JKL | Jackson, Owsley | 5 hr |
Nearby
Flash Flood Watches in Kentucky, 2020Every flash flood watch in 2020
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.