Suppression Forecast
Issued by NWS Detroit/Pontiac, MI

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
000
FNUS73 KDTX 261116
FWSDTX

Spot Forecast for South Pond South Prescribed Fire...City of ann Arbor , NAP
National Weather Service Detroit/Pontiac MI
716 AM EDT Wed Apr 26 2017

Forecast is based on ignition time of 0800 EDT on April 26.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...A warm front will lift north of the area today,
bringing much warmer temperatures with highs around 80. As south to
southeast winds gust to 30 mph this afternoon, expect minimum RH values to
drop into the 40s. Low pressure will drag a cold front through the
area on Thursday, bringing a chance of showers and storms. This
increased moisture will hold afternoon RH values in the 50s. South to
southwest winds will be very gusty once again, reaching 35 mph at
times.

.TODAY...

Sky/weather.........Partly sunny (40-50 percent).
Max temperature.....Around 80.
Min humidity........48 percent.
Eye level winds.....Light and variable winds becoming south 11 to
                    16 mph.
Mixing height.......300-2100 ft AGL increasing to 5600 ft AGL.
Transport winds.....Southeast 9 to 18 mph increasing to south 23 to
                    28 mph late in the morning.
Smoke dispersal.....Poor to excellent (0-140000 knot-ft).
Haines Index........2 to 4 or very low potential for large plume
                    dominated fire growth to or low potential for
                    large plume dominated fire growth.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%)..........52  53  55  56  50  44  38  42  46  49
Weather cov......
Weather type.....
Tstm cov.........
Temp.............55  58  63  68  72  75  77  79  80  80
RH...............86  83  74  66  59  55  52  49  48  48
Eye lvl wnd dir..SE  SE  SE  SE  SE  SE  S   S   S   S
Eye lvl wnd spd..5   6   7   7   8   8   10  10  10  9
Eye lvl wnd gst..10  15  15  20  25  25  25  30  25  25
Mix hgt (kft)....0.6 0.7 1.0 1.5 2.1 2.9 3.7 4.8 5.6 5.6
Transp wind dir..SE  SE  S   S   S   S   S   S   S   S
Transp wind spd..10  14  18  23  24  25  26  28  28  26
Haines index....2   3   3   4   4   4   4   4   4   4
VRate kt-ft/1000.10  10  20  30  50  70  90  110 140 130

.TONIGHT...

Sky/weather.........Partly cloudy (50-60 percent).
Min temperature.....Around 61.
Max humidity........78 percent.
Eye level winds.....South winds 6 to 11 mph.
Mixing height.......4200 ft AGL decreasing to 0-500 ft AGL.
Transport winds.....South 15 to 22 mph decreasing to 8 to 10 mph
                    early in the evening.
Smoke dispersal.....Poor to excellent (0-80000 knot-ft).
Haines Index........2 to 4 or very low potential for large plume
                    dominated fire growth to or low potential for
                    large plume dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%)..........52     62     54     52     57     57
Weather cov......
Weather type.....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov.........
Temp.............79     75     69     65     63     62
RH...............49     55     62     69     73     75
Eye level wind...S 8    S 7    S 6    S 7    S 6    S 6
Eye lvl wnd gst..20     15     15
Mix hgt (ft).....4200   300    BLW100 200    300    400
Transport wind...S 22   S 10   S 9    S 10   S 9    S 8
Haines index....4      4      3      3      4      4
VRate kt-ft/1000.80     0      0      0      0      0

.THURSDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms early in the morning.
Max temperature.....Around 70.
Min humidity........57 percent.
Eye level winds.....Southwest winds 12 to 17 mph.
Mixing height.......500-1800 ft AGL increasing to 5000-6200 ft AGL.
Transport winds.....South 14 to 22 mph increasing to 28 to 33 mph
                    early in the morning...then becoming southwest
                    32 to 41 mph in the late morning and afternoon
                    decreasing to around 30 mph late.
Smoke dispersal.....Poor to excellent (10000-190000 knot-ft).
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
Sky (%)..........60        79        83        77
Weather cov......          CHANCE    CHANCE    CHANCE
Weather type.....NONE      RNSHWR    RNSHWR    RNSHWR
Tstm cov.........          CHANCE    CHANCE    CHANCE
Temp.............61        65        70        69
RH...............77        71        61        60
Eye level wind...S 6G15    S 8G25    S 10G35   SW 10G30
Mix hgt (ft).....500       1800      5000      6200
Transport wind...S 14      S 33      SW 40     SW 35
Haines index....3         2         3         3
VRate kt-ft/1000.10        50        180       180

$$
Forecaster...Behnke
Requested by...Dave Borneman
Type of request...PRESCRIBED
.TAG 1707789.0/DTX
.EMAIL nap@a2gov.org


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