Suppression Forecast
Issued by NWS Jackson, KY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
072
FNUS73 KJKL 202259
FWSJKL

Spot Forecast for Griffin Branch...USFS
National Weather Service Jackson, KY
659 PM EDT Fri Apr 20 2018

Forecast is based on request time of 2000 EDT on April 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...High pressure slowly passing by to our north will
provide quiet, dry weather at least into the day Sunday.
Ridge/valley temperature and humidity differences will be present
for the next couple of nights, with valleys being colder and
damper, and ridges milder and drier. A slow moving area of low
pressure will pass through the southeast CONUS early in the new
week. It will likely bring our next period of wet weather.

.REST OF TONIGHT...

Sky/weather.........Clear.
Chance of pcpn......0 percent.
Temperature.........56 at request...Min 37.
RH..................31 percent at request...Max 73 percent.
Dewpoint............28 increasing to 31 late in the evening.
Wind (20 ft)........Winds northeast at 4 mph at request...otherwise
                    Northeast winds 5 to 6 mph early in the evening
                    becoming light.
Transport winds.....East 2 to 5 mph.
Vent Rate...........Poor /400 knot-ft/ at request. Min...poor /200
                    knot-ft/.
LVORI...............3.
ADI.................2.
Haines Index........4 or low potential for large plume dominated
                    fire growth at request...max 5.

TIME (EDT)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   2   2   2   2   2   2   3   4   5
Weather cov.....
Weather type....
Tstm cov........
Cch of pcpn (%).0   0   0   0   0   0   0   0   0   0
Temp............56  52  49  46  44  42  41  40  39  38
Dewpoint........26  28  30  32  32  32  31  31  30  30
RH..............31  38  48  58  62  67  67  70  70  73
20 FT wind dir..NE  NE  NE  NE  NE  E   E   E   E   E
20 FT wind spd..3   3   3   2   2   2   2   2   2   1
20 FT wind gust.5   5   5   5   5   5   5   5   5
Ridge wind dir..NE  NE  NE  NE  NE  E   E   E   E   E
Ridge wind spd..5   5   5   5   5   5   5   5   5   0
Transp wind dir.NE  NE  NE  NE  NE  E   E   E   E   E
Transp wind spd.5   3   2   2   2   2   2   2   2   2
LVORI...........2   2   2   3   3   4   4   4   4   4
ADI.............2   2   1   1   1   1   1   1   1   1
Haines index....4   5   5   5   5   5   5   5   5   5
VRate kt-ft/10000   0   0   0   0   0   0   0   0   0

.SATURDAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
Temperature.........Max 69.
RH..................Min 28 percent.
Dewpoint............30 increasing to 35 late in the morning.
Wind (20 ft)........Light winds becoming east around 5 mph late in
                    the morning, then becoming light in the
                    afternoon.
Transport winds.....Southeast 1 to 5 mph.
Vent Rate...........Poor to poor (200-11900 knot-ft).
LVORI...............3.
ADI.................4 increasing to 13 late in the morning, then
                    decreasing to 7 late in the afternoon.
Haines Index........4 to 5 or low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7   10  12  13  13  14  17  20  22  21  20  19
Weather cov.....
Weather type....
Tstm cov........
Cch of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............37  37  39  44  51  57  61  64  66  68  69  69
Dewpoint........29  29  29  30  32  34  35  36  36  36  35  35
RH..............72  72  67  57  48  42  38  35  33  31  28  28
20 FT wind dir..E   NE  NE  E   E   E   E   S   S   SE  E   NE
20 FT wind spd..1   1   2   2   2   3   3   2   2   2   2   2
20 FT wind gust.        5   5   5   5   5   5   5   5   5   5
Ridge wind dir..E   NE  NE  E   E   E   E   S   S   SE  E   NE
Ridge wind spd..0   0   5   5   5   5   5   5   5   5   5   5
Transp wind dir.E   E   E   E   E   SE  SE  S   SW  S   S   SE
Transp wind spd.2   2   2   2   3   5   3   3   2   2   1   1
LVORI...........4   3   3   3   2   2   2   2   2   2   2   2
ADI.............1   2   2   2   7   11  10  16  12  13  6   7
Haines index....5   5   5   5   5   4   4   4   4   4   4   4
VRate kt-ft/10000   0   0   1   5   8   8   12  9   9   5   5

$$
Forecaster...AR
Requested by...Bonita Johnson
Type of request...WILDFIRE
.TAG 1807226.0/JKL
.EMAIL bonitajohnson@fs.fed.us



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.