Suppression Forecast
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697
FNAK71 PAFC 282253
FWSAER

Spot Forecast for DRILL - K32 derailment...Alaska Railroad Corp
National Weather Service Anchorage AK
253 PM AKDT Fri Apr 28 2017

Forecast is based on incident time of 1500 AKDT on April 28.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Light showers will persist into the evening today then diminish
overnight. Light showers will then return to the area Saturday
night and continue through Sunday. Light easterly winds will
persist through Sunday.

.TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Scattered rain
                    showers early in the evening, then isolated
                    rain showers early in the evening.
Chance of pcpn......30 percent.
Min temperature.....Around 32.
Max humidity........85 percent.
Surface winds.......East winds 5 to 6 mph.
Mixing height.......5,500 ft in the evening dropping to the
surface after midnight.
Transport winds.....East to southeast winds 7 to 12 mph.
Rainfall amount.....0.02 inches.
Snowfall amount.....0.0 INCHES.

TIME (AKDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........87        82        79        81
Weather cov.....SCTTRD    ISOLTD    NONE  NONE
Weather type....RNSHWR    RNSHWR    NONE      NONE
Tstm cov........NONE  NONENONE  NONE
Chc of pcpn (%).30        20        10        0
Temp............44        38        35        32
RH..............53        58        81        81
Surface wind....S 5       S 5       SE 5      E 5
Mix hgt (ft)....5,500     1,500     1,000     0
Transport wind..15010KT   13010KT   13010KT   10005KT

.SATURDAY...

Sky/weather.........Partly sunny (55-65 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 56.
Min humidity........38 percent.
Surface winds.......East winds 5 to 6 mph early in the morning
                    becoming light.
Mixing height.......At the surface in the morning increasing to
3,500 ft in the afternoon.
Transport winds.....East winds 5 to 10 mph.
Rainfall amount.....0.00 inches.
Snowfall amount.....0.0 INCHES.

TIME (AKDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........78        76        59        59
Weather cov.....NONE  NONENONE  NONE
Weather type....NONE      NONE      NONE      NONE
Tstm cov........NONE  NONENONE  NONE
Chc of pcpn (%).0         0         10        10
Temp............37        48        55        55
RH..............79        69        43        38
Surface wind....E 6G10    E 5       NE 2      NW 2G5
Mix hgt (ft)....0         500       2,000     3,500
Transport wind..11005KT   12008KT   10005KT   06005KT

.SATURDAY NIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (75-85 percent). Isolated rain
                    showers in the late evening and early morning.
                    Isolated snow showers early in the morning.
Chance of pcpn......20 percent.
Min temperature.....Around 32.
Max humidity........86 percent.
Surface winds.......Light winds.
Mixing height.......3,500 ft increasing to 7,00 ft by late
afternoon then dropping to 300 ft around
midnight.
Transport winds.....East winds 5 to 10 mph.
Rainfall amount.....0.02 inches.
Snowfall amount.....0.0 INCHES.

TIME (AKDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........43        43        63        63
Weather cov.....NONE  NONE      ISOLTD    ISOLTD
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........NONE  NONENONE  NONE
Chc of pcpn (%).10        10        20        20
Temp............45        39        36        33
RH..............39        55        72        83
Surface wind....NW 1      S 2G5     SE 2G5    SE 3G5
Mix hgt (ft)....3,500     7,000     300       300
Transport wind..07005KT   10008KT   11008KT   13005KT

.SUNDAY...

Sky/weather.........Cloudy (85-95 percent). Isolated snow showers
                    early in the morning, then slight chance of
                    rain showers.
Chance of pcpn......20 percent.
Max temperature.....Around 54.
Min humidity........42 percent.
Surface winds.......Light winds becoming south around 6 mph late in
                    the afternoon.
Mixing height.......300 ft in the morning increasing to 3,000 ft or
higher by late morning.
Transport winds.....East to southeast winds 5 to 10 mph.
Rainfall amount.....0.03 inches.
Snowfall amount.....0.0 INCHES.

TIME (AKDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........94        94        87        87
Weather cov.....ISOLTD    ISOLTD    S CHC     S CHC
Weather type....SNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........NONE  NONENONE  NONE
Chc of pcpn (%).20        20        20        20
Temp............37        47        53        53
RH..............86        85        69        53
Surface wind....E 3G5     E 4G5     SE 2      S 4G5
Mix hgt (ft)....300       5,000     3,000     5,000
Transport wind..09005KT   16005KT   15005KT   15008KT

$$
Forecaster...Kramer
Requested by...Shawnessy Leon
Type of request...OTHER
.TAG 1707988.0/AER
.EMAIL leons@akrr.com



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