Alert archive / Kentucky / Flash Flood Watches in 2017
Flash Flood Watch 1, NWS Louisville, KY
NWS Louisville, KY issued this flash flood watch at Feb 28, 2017, 11:38 AM EST for 31 counties in Kentucky; 10 counties in Indiana. It took effect at Feb 28, 2017, 7:00 PM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2017, 11:38 AM EST (16:38 UTC)
- In effect from
- Feb 28, 2017, 7:00 PM EST
- Expired
- Mar 1, 2017, 10:29 AM EST
- In force
- 15 hr
- Issued by
- NWS Louisville, KY
- Flood severity
- None
All 41 counties
Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry County, IN, Scott County, IN, Washington County, IN, Anderson County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Clark County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Madison County, KY, Marion County, KY, Meade County, KY, Mercer County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Washington County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 46 km from the middle of the area, began a volume at 16:39 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 12:00Z, 4.6 hours before the alert went out and 207 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
- 1201 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Louisville, KY wrote its last area forecast discussion before this flash flood watch went out at Feb 28, 10:03 AM EST, 1 hour 35 minutes earlier.
Area forecast discussion, Feb 28, 10:03 AM EST, 1 hour 35 minutes before
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Hazardous Weather Outlook National Weather Service Louisville KY 414 AM EST Tue Feb 28 2017 INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067- 070>078-081-082-010915- Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt- Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Woodford- Fayette-Bourbon-Nicholas-Nelson-Mercer-Jessamine-Larue-Marion-Boyle- Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln- Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell- Cumberland-Clinton- Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper, English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport, Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield, Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford, Milton, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle, Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester, Hodgenville, Lebanon, Danville, Lancaster, Richmond, Morgantown, Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty, Stanford, Russellville, Bowling Green, Franklin, Providence, Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville, and Albany 414 AM EST Tue Feb 28 2017 /314 AM CST Tue Feb 28 2017/ This hazardous weather outlook is for portions of south central Indiana and Central Kentucky. .DAY ONE...Today and Tonight. Isolated strong to severe thunderstorms will be possible this morning and afternoon, with the main threats being gusty winds and small hail. The thunderstorm activity will move out of the region by late afternoon. Another round of more significant thunderstorms are expected to move into the region tonight and last through Wednesday morning. Damaging winds, large hail and a tornado or two will all be possible. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Thunderstorms will form along a cold front Wednesday morning as it crosses the region. Damaging winds will be the main threat, but large hail and a tornado or two will be possible as well, especially for any discrete storms that form ahead of the cold front. The thunderstorms will move out of the region by late afternoon. .SPOTTER INFORMATION STATEMENT... Spotters may be needed today, tonight and tomorrow. && More information, along with other weather, hydrological and climate information can be found, at weather.gov/louisville. DM
In the hours before
Special weather statement, Feb 28, 8:55 AM EST, 2 hours 43 minutes before
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</html>The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 4:36 AM EST | Special Weather Statement | LMK | Hardin | 24 min |
| Feb 28, 4:40 AM EST | Special Weather Statement | LMK | Hancock | 35 min |
| Feb 28, 5:05 AM EST | Special Weather Statement | LMK | Hardin | 25 min |
| Feb 28, 6:27 AM EST | Special Weather Statement | LMK | Breckinridge | 18 min |
| Feb 28, 6:37 AM EST | Severe Thunderstorm Warning | LMK | Breckinridge, Hardin | 23 min |
| Feb 28, 7:14 AM EST | Special Weather Statement | LMK | Breckinridge, Hancock | 31 min |
| Feb 28, 7:24 AM EST | Special Weather Statement | LMK | Henry, Jefferson, Shelby | 36 min |
| Feb 28, 7:30 AM EST | Severe Thunderstorm Warning | LMK | Bullitt, Jefferson, Shelby, Spencer | 30 min |
| Feb 28, 7:42 AM EST | Special Weather Statement | LMK | Anderson | 33 min |
| Feb 28, 7:47 AM EST | Severe Thunderstorm Warning | LMK | Breckinridge, Hancock, Meade, Ohio | 28 min |
| Feb 28, 7:55 AM EST | Special Weather Statement | LMK | Franklin, Shelby | 35 min |
| Feb 28, 8:01 AM EST | Special Weather Statement | LMK | Hardin | 29 min |
| Feb 28, 8:15 AM EST | Special Weather Statement | LMK | Breckinridge, Meade | 30 min |
| Feb 28, 8:27 AM EST | Special Weather Statement | LMK | Bullitt, Nelson, Spencer | 33 min |
| Feb 28, 8:55 AM EST | Special Weather Statement | LMK | Anderson, Breckinridge, Bullitt, Franklin, Hancock, Hardin and 3 more | 35 min |
| Feb 28, 9:18 AM EST | Special Weather Statement | LMK | Anderson, Fayette, Scott, Woodford | 42 min |
| Feb 28, 10:19 AM EST | Special Weather Statement | LMK | Boyle, Jessamine, Mercer | 41 min |
| Feb 28, 10:37 AM EST | Special Weather Statement | LMK | Clark | 23 min |
| Feb 28, 10:50 AM EST | Areal Flood Advisory | LMK | Clark, Fayette, Garrard, Jessamine, Madison, Scott and 1 more | 115 min |
| Feb 28, 2:18 PM EST | Special Weather Statement | LMK | Orange, Washington | 27 min |
Nearby
Flash Flood Watches in Kentucky, 2017Flash Flood Watches in Indiana, 2017Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.