Alert archive / Kentucky / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, KY
NWS Jackson, KY issued this special weather statement at Jul 6, 2021, 5:36 PM EDT for Montgomery County, Kentucky. It was in force for 24 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 6, 2021, 5:36 PM EDT (21:36 UTC)
- Expired
- Jul 6, 2021, 6:00 PM EDT
- In force
- 24 min
- Issued by
- NWS Jackson, KY
County Montgomery County, KY
The radar
The Jackson,KY radar (KJKL), 79 km from the middle of the area, began a volume at 21:37 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.6 hours before the alert went out and 145 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
- 1401 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1022 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 6, 4:40 PM EDT, 56 minutes earlier.
Area forecast discussion, Jul 6, 4:40 PM EDT, 56 minutes before
AREA FORECAST DISCUSSION National Weather Service Jackson KY 440 PM EDT Tue Jul 6 2021 .SHORT TERM...(This evening through Wednesday night) Issued at 440 PM EDT TUE JUL 6 2021 Current temperatures across the area are in the upper 80s to low 90s with dew points ranging from the upper 60s to mid 70s. A cumulus field covers most of the area with a few very slow moving storms in the northern portion of the CWA. These pulse storms that develop could produce brief, localized downpours but should not be long lasting due to weak environmental winds and weak shear. Upper level ridging currently resides over much of the Ohio and Tennessee Valleys to the Mid Atlantic coast. Height falls are expected Wednesday as an upper level trough approaches from the northwest and Elsa continues to progress northward. These upper level disturbances will help weaken and eventually will remove any ridging over the area, leading to better chances for precipitation. Current model runs show pockets of upper level vorticity traversing the area tomorrow afternoon and evening which will aid in storm potential. Elsa will make a slight right turn Wednesday night, eventually following a track along the Atlantic coast of Georgia and the Carolinas. At the surface, high pressure will stay to our east over the Mid Atlantic states while low pressure begins to sneak in from the west Wednesday. Current PWAT values across the area are around 1.4 inches and will increase to between 1.8-2.0 inches tomorrow afternoon. The chance for a few pulse storms to develop across the CWA remains in the forecast this evening but quickly diminishes once the sun sets and surface heating ceases. Temperatures will remain mild over night, in the mid to upper 60s, with fog developing in the valleys, with denser fog along the river valleys. A slight ridge/valley split may develop as clouds thin over the area. Wednesday high temperatures are expected in the mid to upper 80s along with a renewed chance for afternoon convection. PoPs increase in the afternoon and into the overnight hours as better forcing and a more unstable environment sets up over our area. Current CAM soundings show potential SBCAPE in the 2000-3000J/kg range, severe potential is currently low but these storms may provide a quick downpour. Fog is likely again Thursday morning with dew points expected to remain in the mid to upper 60s overnight. .LONG TERM...(Thursday through Tuesday) Issued at 330 PM EDT TUE JUL 6 2021 The extended period will feature hot and muggy conditions along with pretty much daily and nightly chances of showers and storms. A series of low pressure systems, and their associated surface fronts, will be moving across the CONUS during the extended. As the fronts moves slowly through our area, we will see showers and storms across eastern Kentucky. The best chances for thunderstorms will be during the afternoon and early evening hours each day. Daily highs will top out in the 80s, while nightly lows should fall into the mid to upper 60s. Winds should be generally out of the south or southwest during the period at 5 to 10 mph each day. && .AVIATION...(For the 18Z TAFS through 18Z Wednesday afternoon) ISSUED AT 200 PM EDT TUE JUL 6 2021 A cumulus field will affect the forecast area through the afternoon and into the evening at around 3.5-5k ft AGL. A few of the more robust updrafts should be able to mature into isolated to widely scattered "pop-up" showers and thunderstorms, mainly during the late afternoon and evening. The mention of thunder has been omitted from all the TAFs, except for JKL, due to the small probability of direct impacts at any particular terminal. Winds could be gusty and erratic near thunderstorms. Look for fog to form again tonight, especially for places that see pcpn today. The worst of the fog will likely be confined to the river valleys while some impacts at the terminals are also anticipated - similar to last night. && .JKL WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...BATZ LONG TERM...AR AVIATION...GEERTSON/GREIF
Hazardous weather outlook, Jul 6, 4:50 PM EDT, 46 minutes before
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Special weather statement, Jul 6, 4:17 PM EDT, 1 hour 19 minutes before
Special Weather Statement
National Weather Service JACKSON KY
417 PM EDT Tue Jul 6 2021
KYZ104-106-062100-
Elliott-Morgan-
417 PM EDT Tue Jul 6 2021
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MORGAN AND ELLIOTT
COUNTIES...
At 417 PM EDT, a strong thunderstorm was located over Sandy Hook,
moving west at 5 mph.
Winds in excess of 40 mph and pea size hail are possible with this
storm.
Locations impacted include...
Sandy Hook, Lenox, Moon, Lick Branch, Little Sandy, Isonville,
Newfoundland, Elkfork, Steele, Crockett, Lytten, Bruin and Stark.
LAT...LON 3819 8299 3802 8300 3800 8302 3796 8301
3795 8327 3813 8324 3813 8322 3816 8322
3817 8320 3817 8322 3819 8323 3820 8306
3818 8305 3820 8304
TIME...MOT...LOC 2017Z 089DEG 6KT 3807 8310
FISHERSpecial weather statement, Jul 6, 5:01 PM EDT, 35 minutes before
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</html>Special weather statement, Jul 6, 5:36 PM EDT, 0 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 |
|---|---|---|---|---|
| Jul 6, 3:32 PM EDT | Special Weather Statement | JKL | Montgomery | 43 min |
| Jul 6, 3:56 PM EDT | Special Weather Statement | JKL | Rowan | 49 min |
| Jul 6, 4:05 PM EDT | Special Weather Statement | JKL | Morgan | 25 min |
| Jul 6, 4:17 PM EDT | Special Weather Statement | JKL | Elliott | 43 min |
| Jul 6, 4:20 PM EDT | Severe Thunderstorm Warning | JKL | Elliott, Morgan, Rowan | 40 min |
| Jul 6, 4:43 PM EDT | Severe Thunderstorm Warning | JKL | Bath, Fleming, Rowan | 47 min |
| Jul 6, 4:56 PM EDT | Areal Flood Advisory | JKL | Elliott | 2 hr |
| Jul 6, 4:57 PM EDT | Areal Flood Advisory | JKL | Fleming | 2 hr |
| Jul 6, 5:00 PM EDT | Areal Flood Advisory | JKL | Rowan | 2 hr |
| Jul 6, 5:01 PM EDT | Special Weather Statement | JKL | Morgan | 44 min |
| Jul 6, 5:12 PM EDT | Areal Flood Advisory | JKL | Bath, Rowan | 2 hr |
| Jul 6, 5:15 PM EDT | Special Weather Statement | JKL | Fleming | 45 min |
| Jul 6, 5:22 PM EDT | Special Weather Statement | JKL | Montgomery | 38 min |
| Jul 6, 5:32 PM EDT | Special Weather Statement | JKL | Bath, Fleming | 28 min |
| Jul 6, 6:01 PM EDT | Areal Flood Advisory | JKL | Montgomery | 119 min |
| Jul 6, 6:02 PM EDT | Special Weather Statement | JKL | Fleming | 43 min |
| Jul 6, 6:04 PM EDT | Special Weather Statement | JKL | Menifee, Montgomery | 41 min |
Nearby
Special Weather Statements in Kentucky, 2021Every special weather statement in 2021
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.