Alert archive / Tennessee / Flood Watches in 2022
Flood Watch 4, NWS Nashville, TN
NWS Nashville, TN issued this flood watch at Apr 12, 2022, 2:35 PM CDT for 7 counties in Tennessee. It took effect at Apr 13, 2022, 1:00 AM CDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2022, 2:35 PM CDT (19:35 UTC)
- In effect from
- Apr 13, 2022, 1:00 AM CDT
- Expired
- Apr 13, 2022, 9:50 PM CDT
- In force
- 21 hr
- Issued by
- NWS Nashville, TN
- Flood severity
- None
Counties Cheatham County, TN, Dickson County, TN, Houston County, TN, Humphreys County, TN, Montgomery County, TN, Robertson County, TN, Stewart County, TN
The radar
The Ft Campbell radar (KHPX), 48 km from the middle of the area, began a volume at 19:37 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
Nashville Metro, TN (KBNA), launched 12:00Z, 7.6 hours before the alert went out and 78 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
- 44 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Nashville, TN wrote its last area forecast discussion before this flood watch went out at Apr 12, 2:06 PM CDT, 29 minutes earlier.
Area forecast discussion, Apr 12, 2:06 PM CDT, 29 minutes before
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</html>Hazardous weather outlook, Apr 12, 2:35 AM CDT, 12 hours before
Hazardous Weather Outlook National Weather Service Nashville TN 235 AM CDT Tue Apr 12 2022 TNZ005>011-023>034-056>066-075-077>080-093>095-130745- Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston- Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-Jackson- Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson-Maury- Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-Coffee- Warren-Grundy-Van Buren-Wayne-Lawrence-Giles- 235 AM CDT Tue Apr 12 2022 This Hazardous Weather Outlook is for Middle Tennessee. .DAY ONE...Today and tonight. Showers and thunderstorms will move through Middle TN after midnight tonight. A low-end damaging wind threat will accompany these storms. The main area of concern is west of I-65. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Severe thunderstorms are possible again Wednesday evening through the early morning hours on Thursday. Damaging wind gusts, tornadoes and large hail are all possible. While all of Middle TN will have these threats, the main area of concern will be along and west of I-65. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. 27
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 10:46 PM CDT | Special Weather Statement | OHX | Houston | 29 min |
| Apr 11, 11:52 PM CDT | Special Weather Statement | OHX | Cheatham, Davidson | 38 min |
| Apr 12, 12:28 AM CDT | Special Weather Statement | OHX | Davidson | 47 min |
| Apr 12, 1:34 AM CDT | Areal Flood Advisory | OHX | Cheatham, Davidson, Dickson, Sumner | 3 hr |
| Apr 12, 4:45 AM CDT | Special Weather Statement | OHX | Houston, Humphreys | 45 min |
| Apr 12, 5:17 AM CDT | Special Weather Statement | OHX | Dickson, Humphreys | 43 min |
| Apr 12, 5:32 AM CDT | Severe Thunderstorm Warning | OHX | Dickson, Humphreys | 43 min |
| Apr 12, 5:49 AM CDT | Areal Flood Advisory | OHX | Montgomery, Stewart | 3 hr |
| Apr 12, 6:15 AM CDT | Special Weather Statement | OHX | Davidson, Dickson | 45 min |
| Apr 12, 7:08 AM CDT | Areal Flood Advisory | OHX | Cheatham, Davidson, Dickson, Rutherford, Sumner, Williamson | 112 min |
| Apr 12, 7:16 AM CDT | Special Weather Statement | OHX | Rutherford | 44 min |
| Apr 12, 7:31 AM CDT | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Wilson | 17 min |
| Apr 12, 8:31 AM CDT | River Flood Advisory | OHX | Davidson | 5 hr |
| Apr 12, 8:34 AM CDT | River Flood Advisory | OHX | Davidson | 19 min |
| Apr 12, 8:53 AM CDT | River Flood Warning | OHX | Davidson | 4 hr |
| Apr 12, 9:04 AM CDT | Areal Flood Advisory | OHX | Cheatham, Davidson, Dickson, Rutherford, Sumner, Williamson and 1 more | 116 min |
| Apr 12, 9:52 AM CDT | River Flood Advisory | OHX | Davidson | 3 hr |
| Apr 12, 9:53 AM CDT | River Flood Advisory | OHX | Davidson | 6 hr |
| Apr 12, 9:54 AM CDT | River Flood Advisory | OHX | Davidson | 3 hr |
| Apr 12, 1:08 PM CDT | River Flood Advisory | OHX | Cheatham | 118 min |
Nearby
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.