Point Forecast Matrices Issued by NWS Sterling, VA
000
FOUS51 KLWX 181737
PFMLWX
Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
137 PM EDT Thu Apr 18 2024
VAZ054-182000-
Reagan National Airport-Arlington VA
38.86N 77.03W Elev. 66 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 78 50 68 54 71
Temp 77 77 68 58 52 50 50 58 66 68 64 60 57 54 56 64 70 70 65
Dewpt 50 48 49 47 45 44 45 46 48 49 50 50 50 47 44 38 36 36 36
RH 39 36 51 67 77 80 83 64 52 51 60 69 77 77 64 38 29 29 34
Wind dir NW N NE E E E E SE SE SE SE SE NW NW N NW NW NW NW
Wind spd 10 10 10 10 6 5 4 6 6 8 5 3 2 4 6 9 10 12 9
Clouds B1 SC SC SC B1 OV OV OV B2 B2 B1 B2 B2 B1 B1 SC SC FW FW
PoP 12hr 10 5 30 50 5
QPF 12hr 0 0 0.01 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C C C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 46 63 47 67 48 73 54 70
Temp 52 47 60 59 51 49 65 61 51 51 71 67 58 56 67 64
Dewpt 35 32 32 34 36 36 34 35 39 42 40 42 46 47 42 40
PWind dir N NW NW NW S S S NW
Wind char LT GN LT LT LT GN GN BZ
Avg clouds FW SC B1 B2 B2 SC FW SC FW FW FW SC B2 B1 SC SC
PoP 12hr 5 5 5 0 0 5 40 30
Rain shwrs C C C C
$$
MDZ013-182000-
Baltimore/Washington Airport-Anne Arundel MD
39.19N 76.67W Elev. 154 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 69 48 65 52 68
Temp 68 68 64 55 50 48 49 55 63 65 62 57 55 52 53 62 67 67 62
Dewpt 53 53 50 46 44 43 44 45 47 49 50 51 51 49 45 39 38 37 37
RH 59 59 60 72 80 83 83 69 56 56 65 80 86 89 74 43 34 33 39
Wind dir NE NE E E E E E SE SE SE SE S W NW NW NW W W NW
Wind spd 8 6 10 9 8 6 5 8 8 9 5 5 3 5 6 9 10 13 9
Clouds B1 B1 B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 SC SC FW FW
PoP 12hr 10 5 30 50 10
QPF 12hr 0 0 0.01 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C C C
Sprinkles C C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 44 62 44 66 45 71 51 67
Temp 49 46 60 57 48 47 64 60 48 49 69 64 55 53 65 62
Dewpt 33 32 33 36 36 36 35 38 40 42 41 43 46 48 45 43
PWind dir NW W NW N SW S S NW
Wind char GN GN GN GN LT GN BZ BZ
Avg clouds FW FW B1 B2 B2 SC FW FW FW FW FW SC B2 B1 SC SC
PoP 12hr 0 5 5 0 0 5 40 30
Rain shwrs C C C S
$$
MDZ011-182000-
Baltimore Inner Harbor-Baltimore City MD
39.28N 76.61W Elev. 20 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 71 50 70 56 74
Temp 67 70 66 58 54 51 50 61 66 70 66 64 61 58 57 67 72 74 66
Dewpt 52 52 47 45 43 43 44 44 47 48 49 51 50 47 43 37 36 35 35
RH 59 53 50 62 66 74 80 53 50 45 54 63 67 67 59 33 27 24 32
Wind dir NE E E E E E E SE SE SE SE S W NW NW NW W W NW
Wind spd 8 6 10 8 6 5 5 8 8 9 5 5 3 5 8 9 10 13 9
Clouds B1 B2 B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 SC SC SC FW
PoP 12hr 10 5 30 50 5
QPF 12hr 0 0 0.01 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C C C
Sprinkles C C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 48 67 49 71 51 75 56 72
Temp 54 48 64 62 54 49 68 65 55 52 72 69 60 56 68 67
Dewpt 31 31 30 34 35 35 33 36 39 41 40 41 45 46 41 40
PWind dir NW W NW N SW S S NW
Wind char LT GN GN GN LT GN BZ BZ
Avg clouds FW FW B1 B2 B2 SC FW FW FW FW FW SC B2 B1 B1 SC
PoP 12hr 0 5 0 0 0 5 50 30
Rain shwrs C C C C
$$
WVZ052-182000-
Martinsburg Airport-Berkeley WV
39.41N 77.98W Elev. 558 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 74 48 66 47 65
Temp 72 73 67 58 52 49 49 54 61 66 62 57 52 48 49 57 64 64 57
Dewpt 48 48 48 48 45 44 44 45 49 49 50 49 46 42 40 36 34 33 31
RH 42 41 50 69 77 83 83 71 65 54 65 75 80 80 71 45 32 31 37
Wind dir NW NW N E SE SE SE SE SE S SE NW NW NW NW NW W NW NW
Wind spd 11 10 5 5 5 6 8 10 11 10 6 6 5 6 6 10 14 19 11
Wind gust 25 31
Clouds SC SC FW FW B1 B2 OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC FW
PoP 12hr 0 5 50 40 5
QPF 12hr 0 0 0.06 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C S S
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 39 60 38 64 41 69 48 64
Temp 42 41 58 54 43 43 62 58 45 46 67 64 54 52 62 58
Dewpt 30 30 30 31 32 34 32 35 35 38 40 42 44 44 41 38
PWind dir NW W NW NW SW S SW NW
Wind char LT GN LT LT LT GN GN BZ
Avg clouds FW SC B2 B2 B1 SC FW FW FW FW SC B1 B2 B1 SC SC
PoP 12hr 0 0 0 0 0 10 50 30
Rain shwrs C C C S
$$
VAZ506-182000-
Washington Dulles Airport-Loudoun VA
38.96N 77.45W Elev. 321 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 76 48 68 51 70
Temp 76 76 70 59 51 48 49 57 64 68 65 59 55 51 53 61 68 69 63
Dewpt 51 49 51 49 46 46 46 47 49 51 52 52 51 49 44 39 36 37 36
RH 42 39 51 69 83 93 89 69 58 54 63 78 86 93 71 44 31 31 36
Wind dir NW NW NE E E E SE SE S S SE S NW NW N NW NW NW NW
Wind spd 11 9 6 8 5 4 5 8 9 9 5 5 5 6 8 10 11 14 10
Clouds SC SC SC SC B1 B2 OV OV OV B2 B1 B2 B2 B1 B1 SC SC FW FW
PoP 12hr 5 5 40 50 5
QPF 12hr 0 0 0.03 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C C C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 42 61 42 66 44 72 51 68
Temp 48 45 59 57 47 46 64 60 47 48 70 66 56 53 66 62
Dewpt 34 33 33 36 36 37 35 38 39 42 42 43 47 48 44 42
PWind dir NW NW NW NW S S S NW
Wind char GN GN LT GN LT GN GN BZ
Avg clouds FW SC B1 B2 B2 SC FW FW FW FW FW SC B2 B1 SC SC
PoP 12hr 0 5 5 0 0 5 40 30
Rain shwrs C C C C
$$
VAZ037-182000-
Charlottesville Airport-Albemarle VA
38.14N 78.45W Elev. 640 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 82 54 74 56 74
Temp 81 81 74 64 59 55 54 60 69 74 70 65 61 58 57 65 71 74 65
Dewpt 44 43 45 47 48 47 46 48 50 52 53 53 52 50 47 43 41 40 39
RH 27 26 35 54 67 74 74 64 51 46 55 65 72 75 69 45 34 29 38
Wind dir NW N NE NE NE E E SE SE S SE N N N N NW W W NW
Wind spd 10 9 4 4 5 4 5 5 5 6 5 4 4 5 5 5 8 9 6
Clouds FW FW CL FW SC B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 SC SC FW FW
PoP 12hr 0 0 40 40 5
QPF 12hr 0 0 0.01 0.04 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C S S
Tstms S S
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 46 65 47 68 46 75 54 74
Temp 52 47 62 61 52 48 65 63 50 50 72 69 60 56 71 68
Dewpt 35 32 33 36 36 35 34 36 37 38 41 42 43 44 41 39
PWind dir N SW N E SW S SW W
Wind char LT LT LT LT LT GN GN GN
Avg clouds FW SC B1 B2 B2 SC SC SC FW FW FW SC B1 B1 SC SC
PoP 12hr 5 10 5 5 0 5 30 30
Rain shwrs C C C C
$$
MDZ003-182000-
Hagerstown Airport-Washington MD
39.71N 77.73W Elev. 705 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 72 47 65 48 65
Temp 68 71 67 57 52 48 48 56 62 65 63 59 53 49 50 59 64 64 56
Dewpt 50 49 50 49 46 45 45 47 49 51 52 51 48 43 40 37 36 35 34
RH 52 46 54 75 80 89 89 72 62 60 67 75 83 80 68 44 35 34 43
Wind dir NW NW NE E E SE SE SE S S S NW NW NW NW NW W W NW
Wind spd 11 9 6 6 5 4 8 11 11 12 10 6 5 6 6 11 16 20 14
Wind gust 32
Clouds B1 SC SC SC B1 B2 OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC FW
PoP 12hr 5 5 50 40 5
QPF 12hr 0 0 0.04 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C S S
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 39 60 39 65 42 69 49 64
Temp 43 42 58 55 43 43 63 58 45 47 67 64 54 51 62 58
Dewpt 30 31 32 34 33 35 35 37 37 40 43 44 46 46 44 40
PWind dir NW W NW NW S S SW NW
Wind char GN GN LT GN LT GN GN BZ
Avg clouds FW SC B1 B1 B1 FW FW FW FW FW SC B1 B2 B1 B1 SC
PoP 12hr 0 0 0 0 0 10 60 30
Rain shwrs L C C S
$$
MDZ017-182000-
Patuxent River NAS MD
38.29N 76.41W Elev. 39 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 72 50 65 53 68
Temp 69 71 66 58 52 50 53 58 64 64 59 56 54 53 57 63 66 67 60
Dewpt 55 53 52 47 45 44 46 47 48 49 50 51 51 51 50 46 44 43 44
RH 61 53 61 67 77 80 77 67 56 58 72 83 90 93 77 54 45 42 55
Wind dir N N NE NE NE NE E E SE SE SE SE S NW N N NW NW NW
Wind spd 10 10 10 11 9 8 5 6 9 10 6 6 3 5 8 10 9 5 5
Clouds SC SC FW SC B1 OV OV B2 B2 B2 B2 B1 B2 B2 B2 B2 SC SC SC
PoP 12hr 10 0 20 50 10
QPF 12hr 0 0 0 0.03 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 47 62 48 65 47 69 53 70
Temp 51 49 61 55 51 51 64 57 50 51 68 60 57 56 69 61
Dewpt 39 35 34 38 41 41 38 40 42 43 42 45 47 48 47 45
PWind dir N W W N SW S S NW
Wind char GN LT GN GN LT GN BZ BZ
Avg clouds SC FW B1 B2 B2 B1 SC SC SC FW FW SC B1 B1 SC SC
PoP 12hr 5 10 10 5 0 0 30 30
Rain shwrs S C C C
$$
WVZ502-182000-
Petersburg WV
38.99N 79.15W Elev. 963 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 74 52 75 48 65
Temp 72 74 69 60 55 53 54 65 72 75 67 59 55 50 49 58 64 64 57
Dewpt 46 45 47 48 47 46 49 53 55 57 57 53 48 45 42 39 35 35 34
RH 39 35 45 64 74 77 83 65 55 54 70 80 77 83 77 49 34 34 42
Wind dir NW N N S SW SE NE NE S SW N N NW NW NW W W W NW
Wind spd 8 9 3 2 3 3 3 6 8 6 5 5 4 4 4 9 12 16 10
Clouds FW FW FW FW SC SC B2 B2 B2 B2 B2 B1 B1 B1 SC FW FW FW FW
PoP 12hr 0 5 70 40 5
QPF 12hr 0 0 0.11 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C L L C C
Tstms C S C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 40 61 38 66 43 72 50 65
Temp 45 42 59 55 43 42 63 59 46 47 70 66 55 52 63 59
Dewpt 33 32 33 35 33 34 35 38 37 38 42 45 46 45 44 40
PWind dir NW W W N SW SW SW NW
Wind char LT GN LT LT LT GN GN GN
Avg clouds FW SC B1 B1 B1 FW FW FW FW FW SC B1 B1 B1 B1 SC
PoP 12hr 5 5 0 0 0 20 50 30
Rain shwrs S C C C C
$$
MDZ014-182000-
Annapolis MD
38.99N 76.49W Elev. 7 ft
137 PM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 68 49 63 53 68
Temp 65 67 64 57 52 50 50 57 60 63 61 58 55 53 54 61 67 68 64
Dewpt 55 53 49 46 45 44 45 46 49 50 50 52 51 50 47 42 41 40 40
RH 70 61 58 67 77 80 83 67 67 62 67 80 86 89 77 49 39 36 41
Wind dir NE NE NE E E E E SE S S S S SW NW NW NW NW W NW
Wind spd 9 9 12 10 8 6 5 6 8 9 6 5 4 5 8 8 8 10 9
Clouds B1 B1 SC B1 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 SC SC FW FW
PoP 12hr 10 5 20 40 10
QPF 12hr 0 0 0 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 46 61 47 65 49 69 53 67
Temp 51 47 58 58 50 49 63 61 52 50 66 64 57 55 65 63
Dewpt 36 33 34 37 39 39 36 40 42 43 43 45 47 47 46 43
PWind dir NW W NW NE SW S S W
Wind char GN GN GN LT LT GN BZ BZ
Avg clouds FW FW B1 B2 B2 SC FW FW FW FW FW SC B2 B1 SC SC
PoP 12hr 0 5 5 0 0 5 40 30
Rain shwrs C C C C
$$