Plan a flight · Sun 8:58 pm EDT (00:58 UTC)

Harrisburg International to MC Ghee Tyson Airport MDT → TYS

431 nautical miles (496 statute miles) southwest on a straight line, true course 235°, about 246° magnetic at the departure end (variation 11W). At 120 knots that is 3 h 39 min at the quickest height in today's winds (10,500 ft, a 2-knot headwind), arriving about 12:37 am EDT (04:37 UTC), after sunset at the destination. Right now MDT is marginal VFR, wind from the north (010°) at 3 knots; TYS is marginal VFR, wind from the south-southwest (210°) at 7 knots. For planning, not a briefing: the legal preflight briefing comes from Flight Service (1-800-WX-BRIEF) or the FAA's own tools. Airlines fly this pair: 5 flights in the DOT's last twelve reported months, the route's page.

The route the straight line, the warnings crossed, restrictions, pilot reports and the airports along the way · click a mark for its words

Green, blue, red and purple airport dots are the flying conditions reported there now (VFR, marginal VFR, IFR, low IFR); grey means no report. Red areas are SIGMETs, orange areas AIRMETs, hatched red areas temporary flight restrictions. Map tiles: OpenFreeMap, data © OpenStreetMap contributors.

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the first 137 nm of the route.
AIRMET TANGO 2W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the first 29 nm of the route.
AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the first 167 nm of the route.
AIRMET TANGO 2W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 49 nm of the route.
AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 402 nm of the route.
AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 196 to 343 nm out.
AIRMET TANGO 5W: moderate turbulence below 18,000 ft (due to mountain wave) up to 7,000 ft. Over the route from 265 to 294 nm out.

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from MDT.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

E145 at 12,000 ft, 22 nm east, 8:43 pm EDT (00:43 UTC): moderate turbulence. At the departure end, 22 nm east of the line.
as filed, and in English
```
LNS UA /OV LRP/TM 0043/FL120/TP E145/TB CONS MOD
```
Report
a routine report filed through LNS
Where
over LRP
Time
00:43 UTC
Height
at 12,000 ft
Aircraft
E145
Turbulence
continuous moderate
E170 at 22,500 ft, 4 nm southwest, 7:44 pm EDT (23:44 UTC): moderate clear-air turbulence from 18,000 ft to 22,500 ft, remarks: during the descent FRDMM7 star. 98 nm along the route, 4 nm southwest of the line.
as filed, and in English
```
OKV UA /OV ESL100020/TM 2344/FL225/TP E170/TB CONS MOD CAT 180-225/RM DURD FRDMM7 STAR
```
Report
a routine report filed through OKV
Where
20 nm east (100°) of ESL
Time
23:44 UTC
Height
at 22,500 ft
Aircraft
E170
Turbulence
continuous moderate clear-air turbulence from 18,000 ft to 22,500 ft
Remarks
during the descent FRDMM7 star
UAL2761 at 31,000 ft, 39 nm northwest, 7:57 pm EDT (23:57 UTC): moderate turbulence, wind 218° at 58 knots. 147 nm along the route, 39 nm northwest of the line.
as filed, and in English
```
ARP UAL2761 3917N 07949W 2357 F310 218/058KT TB CONT MOD TURB IC
```
Report
a routine report filed through ARP
PA46 at 23,000 ft, 34 nm southeast, 7:28 pm EDT (23:28 UTC): moderate chop turbulence from 22,000 ft to 23,000 ft, remarks: ZTLFD-44. 333 nm along the route, 34 nm southeast of the line.
as filed, and in English
```
TRI UA /OV HMV090010/TM 2328/FL230/TP PA46/TB LGT- MOD CHOP 230-220/RM ZTLFD-44
```
Report
a routine report filed through TRI
Where
10 nm east (090°) of HMV
Time
23:28 UTC
Height
at 23,000 ft
Aircraft
PA46
Turbulence
light moderate chop from 23,000 ft to 22,000 ft
Remarks
ZTLFD-44
A321 at 30,000 ft, 33 nm northwest, 7:45 pm EDT (23:45 UTC): moderate turbulence. 353 nm along the route, 33 nm northwest of the line.
as filed, and in English
```
IND UA /OV AZQ170020/TM 2345/FL300/TP A321/TB MOD
```
Report
a routine report filed through IND
Where
20 nm south (170°) of AZQ
Time
23:45 UTC
Height
at 30,000 ft
Aircraft
A321
Turbulence
moderate
E145 at 8,000 ft, 10 nm southeast, 8:30 pm EDT (00:30 UTC): light chop turbulence. At the departure end, 10 nm southeast of the line.
as filed, and in English
```
MDT UA /OV 10 SE MDT/TM 0030/FL080/TP E145/TB LIGHT CHOP GOING THROUGH THE MODERATE RAIN
```
Report
a routine report filed through MDT
Where
10 southeast mdt
Time
00:30 UTC
Height
at 8,000 ft
Aircraft
E145
Turbulence
light chop going through the moderate rain
P28R at 1,000 ft, 22 nm east, 7:31 pm EDT (23:31 UTC): a broken layer above 1,000 ft. At the departure end, 22 nm east of the line.
as filed, and in English
```
MDT UA /OV LRP/TM 2331/FL010/TP P28R/SK BKN010
```
Report
a routine report filed through MDT
Where
over LRP
Time
23:31 UTC
Height
at 1,000 ft
Aircraft
P28R
Sky
a broken layer from 1,000 ft
C680 at 1,400 ft, 38 nm east, 7:20 pm EDT (23:20 UTC): a broken layer above 1,400 ft, remarks: reported 30 knots crosswind until at 40,000 ft feet above ground, wind calm below 40,000 ft feet above ground final runway 36. At the departure end, 38 nm east of the line.
as filed, and in English
```
RDG UA /OV 2 S RDG/TM 2320/FL014/TP C680/SK BKN014/RM REPORTED 30KT CROSSWIND UNTIL 400 FEET AGL, WIND CALM BELOW 400 FEET AGL. FNL RWY 36
```
Report
a routine report filed through RDG
Where
2 south rdg
Time
23:20 UTC
Height
at 1,400 ft
Aircraft
C680
Sky
a broken layer from 1,400 ft
Remarks
reported 30 knots crosswind until at 40,000 ft feet above ground, wind calm below 40,000 ft feet above ground final runway 36
P28R at 1,000 ft, 22 nm east, 6:30 pm EDT (22:30 UTC): a broken layer above 1,000 ft, remarks: during the descent runway 08 lns. At the departure end, 22 nm east of the line.
as filed, and in English
```
LNS UA /OV LNS/TM 2230/FL010/TP P28R/SK BKN010-TOPSUNKN/RM DURD RY 08 LNS
```
Report
a routine report filed through LNS
Where
over LNS
Time
22:30 UTC
Height
at 1,000 ft
Aircraft
P28R
Sky
a broken layer from 1,000 ft, tops unknown
Remarks
during the descent runway 08 lns
CRJ7 at 1,100 ft, 14 nm northwest, 6:43 pm EDT (22:43 UTC): a broken layer above 1,200 ft; a broken layer above 4,100 ft. At the departure end, 14 nm northwest of the line.
as filed, and in English
```
MDT UA /OV HAR/TM 2243/FL011/TP CRJ7/SK BKN012 BKN041
```
Report
a routine report filed through MDT
Where
over HAR
Time
22:43 UTC
Height
at 1,100 ft
Aircraft
CRJ7
Sky
BKN012 BKN041
B738 at 7,000 ft, 47 nm southeast, 7:40 pm EDT (23:40 UTC): overcast above 40,000 ft, remarks: top 6,500 ft. 39 nm along the route, 47 nm southeast of the line.
as filed, and in English
```
BWI UA /OV BAL280010/TM 2340/FL070/TP B738/SK OVC004/RM TOP 065
```
Report
a routine report filed through BWI
Where
10 nm west (280°) of BAL
Time
23:40 UTC
Height
at 7,000 ft
Aircraft
B738
Sky
overcast from 400 ft
Remarks
top 6,500 ft
CRJ9 at 7,000 ft, 46 nm southeast, 7:17 pm EDT (23:17 UTC): overcast from 500 ft to 7,200 ft. 59 nm along the route, 46 nm southeast of the line.
as filed, and in English
```
DCA UA /OV DCA320012/TM 2317/FL070/TP CRJ9/SK BASES 005 OVC TOPS 072
```
Report
a routine report filed through DCA
Where
12 nm northwest (320°) of DCA
Time
23:17 UTC
Height
at 7,000 ft
Aircraft
CRJ9
Sky
bases 500 ft overcast tops 7,200 ft
FA8X climbing, 39 nm southeast, 8:34 pm EDT (00:34 UTC): overcast above 1,000 ft. 69 nm along the route, 39 nm southeast of the line.
as filed, and in English
```
IAD UA /OV AML300005/TM 0034/FLDURC/TP FA8X/SK OVC010
```
Report
a routine report filed through IAD
Where
5 nm northwest (300°) of AML
Time
00:34 UTC
Height
during the climb
Aircraft
FA8X
Sky
overcast from 1,000 ft
B39M at 2,000 ft, 38 nm southeast, 7:03 pm EDT (23:03 UTC): overcast above 700 ft. 69 nm along the route, 38 nm southeast of the line.
as filed, and in English
```
IAD UA /OV AML320005/TM 2303/FL020/TP B39M/SK BASES OVC 007
```
Report
a routine report filed through IAD
Where
5 nm northwest (320°) of AML
Time
23:03 UTC
Height
at 2,000 ft
Aircraft
B39M
Sky
bases overcast at 700 ft

15 more routine reports are on the map.

Winds aloft along the route, and the time en route the forecast for use 20:00–03:00 UTC · at 120 knots true airspeed

The westbound cruising heights for this course (VFR: even thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 6 forecast points nearest it (PSB, EKN, ROA, CRW, TRI, TYS). A plus sign is a headwind, a minus sign a tailwind.

Height	Average wind	Head- or tailwind	Temperature	Ground speed	Time en route	Arrival
4,500 ft	290° at 17 kt	+9 kt	12 °C	111 kt	3 h 53 min	12:51 am EDT (04:51 UTC)
6,500 ft	290° at 17 kt	+8 kt	11 °C	112 kt	3 h 51 min	12:49 am EDT (04:49 UTC)
8,500 ft	300° at 14 kt	+4 kt	8 °C	116 kt	3 h 43 min	12:41 am EDT (04:41 UTC)
10,500 ft	310° at 11 kt	+2 kt	5 °C	118 kt	3 h 39 min	12:37 am EDT (04:37 UTC)
12,500 ft	300° at 9 kt	+3 kt	2 °C	117 kt	3 h 41 min	12:39 am EDT (04:39 UTC)
14,500 ft	280° at 11 kt	+7 kt	-2 °C	113 kt	3 h 49 min	12:47 am EDT (04:47 UTC)
16,500 ft	270° at 14 kt	+11 kt	-6 °C	109 kt	3 h 57 min	12:55 am EDT (04:55 UTC)
18,000 ft FL180	260° at 17 kt	+15 kt	-9 °C	105 kt	4 h 06 min	1:04 am EDT (05:04 UTC)
24,000 ft FL240	240° at 28 kt	+28 kt	-20 °C	92 kt	4 h 41 min	1:39 am EDT (05:39 UTC)
30,000 ft FL300	230° at 49 kt	+48 kt	-32 °C	72 kt	5 h 59 min	2:57 am EDT (06:57 UTC)
34,000 ft FL340	230° at 52 kt	+52 kt	-39 °C	68 kt	6 h 20 min	3:18 am EDT (07:18 UTC)
39,000 ft FL390	230° at 47 kt	+47 kt	-48 °C	73 kt	5 h 54 min	2:52 am EDT (06:52 UTC)

Based on data from the 11th at 18:00 UTC; valid on the 12th at 00:00 UTC for use 20:00 to 03:00 UTC; temperatures above 24,000 ft are below zero. Heights are above sea level; a height is left out when the forecast has no wind for it over most of the line (the ground is higher). Ground speed is the airspeed less the headwind; the time en route is for the straight line and ignores climb, descent and routing around weather.

The forecast points as issued

Point	From	3,000	6,000	9,000	12,000	18,000	24,000	30,000	34,000	39,000
PSB	used from 0 nm out; 69 nm from the line		260/13 13°	220/12 8°	220/11 4°	230/27 -11°	210/31 -21°	220/73 -32°	220/75 -40°	230/66 -50°
EKN	used from 98 nm out; 45 nm from the line		270/18 13°	310/5 7°	140/7 3°	210/16 -9°	220/41 -20°	210/57 -32°	220/57 -38°	230/49 -47°
ROA	used from 196 nm out; 50 nm from the line	280/9	290/15 12°	290/11 8°	210/6 3°	210/30 -6°	220/46 -19°	210/74 -30°	220/78 -39°	220/64 -48°
CRW	used from 245 nm out; 53 nm from the line	320/16	310/16 12°	320/12 7°	320/12 2°	330/15 -11°	280/11 -22°	230/26 -30°	240/33 -37°	240/37 -47°
TRI	used from 294 nm out; 33 nm from the line		310/28 11°	320/32 7°	330/30 2°	300/28 -9°	280/34 -21°	250/37 -31°	240/39 -38°	250/35 -48°
TYS	used from 392 nm out; 20 nm from the line	290/19	310/22 11°	330/25 7°	330/34 3°	320/37 -7°	300/37 -18°	300/37 -34°	280/29 -39°	270/29 -48°

The weather now: both ends and the airports along the way public airports with a weather report within 25 nm of the line, one for each stretch

Airport	Where	Conditions	Wind	Visibility	Ceiling	Elevation	Reported
MDT Harrisburg, PA	departure	marginal VFR Sky: overcast at 1,000 feet	from the north (010°) at 3 knots	10+ mi	1,000 ft	310 ft	7:56 pm EDT (23:56 UTC)
DMW Westminster, MD	29 nm out, 22 nm southeast of the line	marginal VFR Sky: overcast at 1,400 feet Weather: light drizzle	variable at 4 knots	8 mi	1,400 ft	789 ft	00:35 UTC
HGR Hagerstown, MD	49 nm out, 5 nm west of the line, tower	low IFR Sky: overcast at 400 feet Weather: mist	from the north (010°) at 9 knots, gusting to 17	6 mi	400 ft	703 ft	00:53 UTC
OKV Winchester, VA	88 nm out, 14 nm southeast of the line	low IFR Sky: overcast at 400 feet	calm	7 mi	400 ft	726 ft	23:35 UTC
EKN Elkins, WV	167 nm out, 22 nm northwest of the line	marginal VFR Sky: overcast at 1,800 feet Weather: light rain, mist	calm	3 mi	1,800 ft	1,987 ft	00:51 UTC
HSP Hot Springs, VA	196 nm out, 24 nm southeast of the line	reported, no category	from the east-northeast (060°) at 7 knots	0.25 mi	none	3,792 ft	22:15 UTC
LWB Lewisburg, WV	216 nm out, 13 nm south of the line, tower	marginal VFR Sky: overcast at 1,200 feet Weather: light rain	calm	3 mi	1,200 ft	2,301 ft	22:51 UTC
BLF Bluefield, WV	274 nm out, 16 nm southeast of the line	low IFR Sky: overcast at 300 feet Weather: rain, mist	from the west-northwest (290°) at 8 knots, gusting to 16	5 mi	300 ft	2,856 ft	00:52 UTC
TRI Bristol/Johnson/Kingsport, TN	343 nm out, 18 nm southeast of the line, tower	marginal VFR Sky: scattered clouds at 1,200 feet, a broken layer at 1,800 feet, a broken layer at 2,400 feet Weather: light rain, mist	from the west-southwest (250°) at 11 knots	5 mi	1,800 ft	1,518 ft	00:53 UTC
RVN Rogersville, TN	363 nm out, 5 nm south of the line	no report just now				1,254 ft
MOR Morristown, TN	392 nm out, 3 nm south of the line	IFR Sky: a broken layer at 500 feet, overcast at 900 feet	from the southwest (220°) at 10 knots, gusting to 15	10+ mi	500 ft	1,312 ft	00:35 UTC
TYS Knoxville, TN	destination	marginal VFR Sky: overcast at 1,600 feet	from the south-southwest (210°) at 7 knots	10+ mi	1,600 ft	986 ft	8:53 pm EDT (00:53 UTC)

The highest airport on this list sits at 3,792 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At TYS when you get there the forecast at the estimated arrival, 12:37 am EDT (04:37 UTC)

Wind from the west-southwest at 9 knots, visibility more than 6 miles, scattered clouds at 1,000 feet, a broken layer at 1,500 feet marginal VFR

The whole forecast for TYS

From Sun 8:00 pm EDT (00:00 UTC): wind from the west-southwest at 9 knots, visibility more than 6 miles, scattered clouds at 1,000 feet, a broken layer at 1,500 feet
From Mon 3:00 am EDT (07:00 UTC): wind from the southwest at 7 knots, visibility more than 6 miles, a broken layer at 2,500 feet
From Mon 8:00 am EDT (12:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 3,500 feet, scattered clouds at 25,000 feet

The forecast for MDT, the departure

From Sun 8:00 pm EDT (00:00 UTC): wind from the northeast at 3 knots, visibility more than 6 miles, light rain showers, thunderstorms nearby, scattered clouds at 800 feet (thunderheads), overcast at 1,000 feet
From Mon 2:00 am EDT (06:00 UTC): wind from the north at 7 knots, visibility 4 miles, mist, scattered clouds at 700 feet, overcast at 1,200 feet
From Mon 8:00 am EDT (12:00 UTC): wind from the north-northwest at 10 knots, visibility 6 miles, mist, scattered clouds at 1,500 feet, overcast at 4,000 feet
From Mon 10:00 am EDT (14:00 UTC): wind from the northwest at 10 knots, visibility more than 6 miles, a broken layer at 2,500 feet, overcast at 4,000 feet
From Mon 2:00 pm EDT (18:00 UTC): wind from the northwest at 8 knots, visibility more than 6 miles, a broken layer at 4,000 feet

Temporary flight restrictions on the line or within 25 nm of it

No temporary flight restriction on or near this route right now.

Daylight

Sunset at MDT 6:32 pm EDT (22:32 UTC), at TYS 7:04 pm EDT (23:04 UTC) (civil twilight ends 7:30 pm EDT (23:30 UTC)). At 120 knots the arrival at TYS is before sunrise there (7:39 am EDT (11:39 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.

Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads

Radar now, the Northeast · loop National Weather Service

Radar now, the Southeast · loop National Weather Service

Radar now, the lower Mississippi valley · loop National Weather Service

Radar, the whole country · loop National Weather Service

Surface analysis now Weather Prediction Center

Forecast chart, 12 hours ahead Weather Prediction Center

Forecast chart, 24 hours ahead Weather Prediction Center

Sources: the Aviation Weather Center's data service (SIGMETs, AIRMETs, graphical AIRMETs, pilot reports, winds and temperatures aloft, observations and terminal forecasts), the National Weather Service radar, the Weather Prediction Center's charts, the FAA's temporary flight restriction list and shapes, and the FAA's airport file for the positions, elevations and magnetic variation. Fetched when the page is viewed and kept a few minutes. Each leg is the straight line between its two airports; airways, terrain and airspace are not considered. The airports in detail: Harrisburg International, MC Ghee Tyson Airport.