012
FOUS51 KLWX 201138
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
638 AM EST FRI DEC 20 2024
VAZ054-202100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 45 32 37 24 33
TEMP 39 39 42 42 41 38 37 35 32 35 37 35 31 30 28 26 24 29 32 32 29
DEWPT 30 32 34 35 34 32 31 29 25 23 19 17 16 15 14 14 11 11 10 10 8
RH 70 76 73 76 76 79 79 78 75 61 48 47 53 53 55 60 57 46 39 39 40
WIND DIR NE NE N N N NW NW NW NW NW NW NW NW NW NW NW N N N N N
WIND SPD 4 4 5 6 8 8 9 10 12 14 16 13 9 8 8 8 8 9 8 6 4
WIND GUST 31 32 24
CLOUDS OV OV OV OV B2 B2 B1 B1 SC SC SC FW FW SC SC SC FW FW FW FW CL
POP 12HR 60 30 5 0 0
QPF 12HR 0.03 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C L C C C
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 19 37 28 45 34 46 35 48
TEMP 24 21 35 32 31 30 42 40 37 34 44 41 38 36 45 43
DEWPT 8 8 11 14 18 20 23 26 26 27 29 29 29 31 33 33
PWIND DIR NE SE S SW N N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW FW SC B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2
POP 12HR 0 0 5 10 20 30 40 30
RAIN S S C C C C C
MDZ013-202100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 41 31 35 19 29
TEMP 34 37 39 39 37 35 34 32 31 34 35 34 29 25 23 21 20 25 29 29 24
DEWPT 29 32 34 35 34 32 31 29 26 22 19 17 16 15 13 11 10 10 10 10 9
RH 82 82 82 85 89 89 89 88 81 61 52 49 58 65 65 65 64 52 44 44 52
WIND DIR NE NE N N N NW NW NW NW NW NW NW NW NW NW NW NW N N N N
WIND SPD 5 5 5 6 8 8 8 10 12 16 16 13 10 9 8 8 8 9 9 8 5
WIND GUST 26 31 25
CLOUDS OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW SC SC SC FW FW FW FW FW
POP 12HR 80 60 5 0 0
QPF 12HR 0.05 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C D D L C S S
SNOW C S S
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 15 34 24 41 30 44 32 45
TEMP 19 17 33 29 28 28 39 36 33 31 42 37 33 34 42 39
DEWPT 9 10 13 16 18 21 26 28 27 28 30 30 30 31 34 34
PWIND DIR NE SE S SW NW N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW SC SC B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2
POP 12HR 0 0 10 20 20 30 40 30
RAIN S S S C C C C C
SNOW S
MDZ011-202100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 43 32 36 22 31
TEMP 37 39 41 41 39 38 37 35 32 35 35 35 31 28 25 24 22 27 30 31 27
DEWPT 29 31 34 34 33 32 31 29 25 21 18 17 16 14 11 11 10 9 10 9 6
RH 72 73 76 76 79 79 79 78 75 56 49 47 53 55 55 57 59 46 42 39 40
WIND DIR NE NE N N N NW NW NW NW NW NW NW NW NW NW NW NW N N N N
WIND SPD 4 5 5 6 8 8 8 9 12 16 16 13 10 9 8 8 8 9 9 8 5
WIND GUST 28 31 24
CLOUDS OV OV OV OV OV B2 B2 B2 B1 SC SC FW FW SC SC SC FW FW FW FW FW
POP 12HR 80 60 5 0 0
QPF 12HR 0.05 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C D D L L C S
SNOW C C S
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 19 35 28 42 32 46 35 47
TEMP 23 19 33 31 31 29 41 39 37 33 44 40 38 35 44 42
DEWPT 7 8 9 14 16 19 22 25 26 26 27 27 29 29 32 32
PWIND DIR NE SE S SW NW N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2
POP 12HR 0 0 10 20 20 30 40 30
RAIN S S S S C C C C C
SNOW S S
WVZ052-202100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 38 28 33 16 29
TEMP 32 33 36 37 34 32 32 30 28 33 33 32 27 25 22 19 17 23 29 29 23
DEWPT 28 30 32 32 32 30 28 25 21 19 15 14 15 14 14 13 10 10 8 7 7
RH 85 89 85 82 92 92 85 81 75 56 47 47 60 62 71 77 73 57 40 39 50
WIND DIR E E NE N N NW NW NW NW NW NW NW NW NW NW NW NW N N N NE
WIND SPD 1 3 2 3 3 3 6 10 12 13 13 11 9 8 6 6 5 8 8 4 3
WIND GUST 21 24 28 26 26 19
CLOUDS OV OV OV B2 B2 B1 B2 B2 B1 SC SC SC SC SC SC SC FW FW FW CL FW
POP 12HR 50 30 0 0 0
QPF 12HR 0.05 0 0 0 0
SNOW 12HR T 00-00 00-00
RAIN C C S
SNOW C C C
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 10 33 21 41 27 42 28 43
TEMP 15 13 32 27 26 26 39 35 31 29 40 35 32 31 41 37
DEWPT 7 5 8 11 16 19 24 24 25 25 28 27 27 27 30 30
PWIND DIR E SE S SW NW NE E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 10 10 20 30 30 30
RAIN S S C C C C C
SNOW S S
VAZ506-202100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 42 29 35 19 30
TEMP 32 36 39 40 36 34 33 32 30 34 35 33 29 26 24 23 19 25 29 30 24
DEWPT 29 31 32 33 33 32 30 28 24 21 18 16 17 16 15 15 11 11 10 9 11
RH 88 82 76 76 89 92 89 85 78 58 49 49 60 65 68 71 70 55 44 41 57
WIND DIR E E N N N NW NW NW NW NW NW NW NW NW NW NW N N N N N
WIND SPD 3 3 4 6 5 6 8 11 12 16 17 14 9 8 6 6 8 10 9 6 4
WIND GUST 24 29 31 27
CLOUDS OV OV OV B2 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW CL CL
POP 12HR 50 30 0 0 0
QPF 12HR 0.03 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C S
SNOW C C C
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 13 35 23 42 30 44 31 44
TEMP 18 16 34 29 27 27 40 36 33 31 42 37 34 33 42 39
DEWPT 9 8 13 16 18 21 27 29 29 29 32 31 31 31 35 35
PWIND DIR NE SE S SW N N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 5 10 20 30 30 30
RAIN S S C C C C C
SNOW S
VAZ037-202100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 43 30 37 19 34
TEMP 32 35 40 42 38 36 33 32 31 36 36 35 29 27 24 23 20 27 32 33 28
DEWPT 28 31 32 33 33 30 28 24 21 18 15 13 13 13 12 12 11 11 10 8 9
RH 85 85 73 70 82 79 82 72 66 47 42 40 51 55 60 62 67 50 39 34 44
WIND DIR NE NE N NE N NW NW NW NW NW NW NW NW NW NW NW NW N N NE NE
WIND SPD 1 2 2 3 3 3 3 5 9 12 12 11 5 3 3 2 3 4 4 2 2
WIND GUST 24 23
CLOUDS OV B2 SC B2 B2 SC FW FW FW FW SC FW FW SC SC FW FW FW FW CL CL
POP 12HR 20 10 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN S S
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 15 37 23 47 30 46 33 46
TEMP 21 17 35 31 28 28 45 38 34 32 43 40 36 34 44 41
DEWPT 9 10 12 15 16 19 25 26 26 26 30 30 29 30 32 31
PWIND DIR E S SW SW N NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR 0 0 0 5 10 20 30 30
RAIN S S C C C S
MDZ003-202100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 38 28 32 16 27
TEMP 33 34 37 37 34 32 31 30 28 31 32 31 27 24 21 18 16 22 26 27 22
DEWPT 26 31 32 33 32 30 28 26 22 19 14 14 14 13 12 11 8 9 7 6 8
RH 75 89 82 85 92 92 88 85 78 61 47 49 57 62 68 73 70 57 44 40 54
WIND DIR E E NE N N NW NW NW NW NW NW NW NW NW NW NW N N N N NE
WIND SPD 3 3 2 3 3 2 4 9 11 13 13 13 8 6 6 6 6 8 6 5 4
WIND GUST 21 25 27 26 25 20
CLOUDS OV OV OV OV B2 B1 B2 B2 B1 SC SC B1 SC SC SC SC FW SC FW FW CL
POP 12HR 70 30 5 0 0
QPF 12HR 0.06 0 0 0 0
SNOW 12HR T 00-00 00-00
RAIN L L C S
SNOW C L L
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 10 32 23 39 29 41 30 41
TEMP 16 13 31 28 26 27 38 35 31 30 39 35 31 31 39 36
DEWPT 8 7 11 13 17 20 28 27 26 26 30 29 28 28 33 31
PWIND DIR E SE S SW NW NE NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2
POP 12HR 0 0 10 20 20 30 40 30
RAIN S S C C C C
SNOW S S S S C
MDZ017-202100-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 43 32 37 22 32
TEMP 38 40 42 40 38 37 34 33 33 35 36 35 29 28 27 25 23 28 31 32 27
DEWPT 34 36 37 38 37 35 33 31 29 26 21 19 17 16 14 14 12 13 13 12 13
RH 85 85 82 92 96 92 96 92 85 69 54 52 60 60 57 62 62 53 47 43 55
WIND DIR NE N N N N NW NW NW NW NW NW NW NW NW NW NW N N N N N
WIND SPD 9 9 9 12 13 13 13 14 17 18 19 18 16 13 14 14 13 13 12 10 9
WIND GUST 28
CLOUDS OV OV OV OV OV B2 B1 B1 B1 SC FW FW FW SC SC SC SC FW FW CL FW
POP 12HR 60 50 10 5 0
QPF 12HR 0.06 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C L L C C S
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 18 37 28 45 34 47 36 50
TEMP 22 21 35 31 31 32 43 38 36 36 44 39 38 37 47 41
DEWPT 13 13 16 20 23 23 26 29 30 30 33 33 32 34 37 36
PWIND DIR NE E S SW N N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW CL CL FW FW SC B1 B1 B2 B2 B1 B1 B2 B2 B2 B1
POP 12HR 0 0 5 10 20 30 40 40
RAIN S S C C C C C
WVZ502-202100-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 42 26 31 14 32
TEMP 30 34 40 40 35 32 30 28 26 30 31 30 24 20 18 16 15 23 30 32 24
DEWPT 29 30 31 32 31 28 25 22 19 16 14 13 13 12 12 11 11 11 10 8 10
RH 96 85 70 73 85 85 81 78 74 55 49 49 62 71 77 80 84 59 42 36 54
WIND DIR S SE N N NW NW NW NW NW NW NW NW NW NW NW NW NW NW N N NE
WIND SPD 1 1 2 3 3 5 6 10 10 11 10 10 9 8 5 5 4 4 4 2 1
WIND GUST 17 21 21 25 24 23 21
CLOUDS OV B2 B2 B2 B2 B2 B2 B2 B1 SC B1 SC SC B1 B1 SC SC SC FW CL CL
POP 12HR 50 40 10 10 0
QPF 12HR 0.01 0.01 0 0 0
SNOW 12HR T 00-00 00-00
FRZG RAIN
RAIN S C C C
SNOW C S S
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 12 41 23 46 30 47 31 46
TEMP 16 14 38 31 29 30 45 38 33 31 44 38 33 32 43 38
DEWPT 10 9 13 16 20 24 32 31 31 29 33 32 31 31 35 33
PWIND DIR S S SW W SW SE SE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR 0 0 5 10 10 20 30 20
RAIN S S C C S S
MDZ014-202100-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
638 AM EST FRI DEC 20 2024
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 41 30 36 21 29
TEMP 34 37 38 39 38 37 35 33 30 33 35 34 30 28 26 23 21 25 28 29 27
DEWPT 31 34 35 36 35 33 31 30 27 23 18 17 15 15 13 11 10 10 10 10 10
RH 89 89 89 89 89 85 85 89 88 66 49 49 53 58 57 59 62 52 46 44 48
WIND DIR NE NE N N N NW NW NW NW NW NW NW NW NW NW NW N N N N N
WIND SPD 8 8 8 9 10 10 9 11 14 17 17 16 13 11 11 11 11 11 10 9 8
WIND GUST 27 29 26
CLOUDS OV OV OV OV OV B2 B1 B1 B1 SC SC FW FW SC SC SC FW FW FW FW CL
POP 12HR 80 60 10 0 0
QPF 12HR 0.06 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C D D L C C S
SNOW S S
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 18 33 27 40 32 43 34 45
TEMP 22 19 31 31 30 28 39 38 36 32 41 38 36 34 42 40
DEWPT 11 12 13 17 20 22 24 28 29 29 30 30 31 32 34 34
PWIND DIR NE SE S SW NW N NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW FW SC B1 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2
POP 12HR 0 0 10 20 20 30 40 40
RAIN S S S S C C C C C
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