997
FOUS51 KLWX 211137
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
637 AM EST SAT DEC 21 2024
VAZ054-212100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 23 33 17 38
TEMP 34 37 38 37 31 29 27 25 23 29 33 31 27 23 21 18 19 27 35 37 33
DEWPT 23 19 14 11 11 11 11 10 9 9 7 6 7 7 7 7 8 11 10 12 14
RH 64 48 37 33 43 46 50 52 54 42 33 34 42 50 54 61 61 50 35 35 45
WIND DIR NW NW NW NW NW N N N N N NW N N NE NE NE E SE S S S
WIND SPD 16 20 21 19 13 11 12 12 9 11 10 9 6 5 4 2 2 3 5 6 6
WIND GUST 27 36 37 34
CLOUDS B1 SC SC SC FW FW SC FW FW CL FW FW CL CL CL FW FW FW FW FW SC
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C
SPRINKLES C C
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 29 45 33 45 34 47 35 49
TEMP 31 31 43 40 37 35 43 40 37 34 45 40 38 35 46 44
DEWPT 18 21 26 29 27 27 28 28 29 28 30 31 30 30 33 33
PWIND DIR S W NW N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 10 30 10 10 20 20 30 30
RAIN S S S S S S C C C
SNOW C S
MDZ013-212100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 35 17 31 14 34
TEMP 31 33 34 33 29 26 22 20 18 26 30 30 25 19 18 16 16 25 32 34 30
DEWPT 24 21 17 13 13 12 11 10 9 10 9 8 8 8 8 8 9 13 14 14 17
RH 75 61 49 43 51 55 62 64 67 50 41 39 48 61 64 70 73 60 47 43 58
WIND DIR NW NW NW NW NW NW NW NW NW N NW N N N NE NE NE SE SE SE S
WIND SPD 12 17 17 16 11 8 6 6 5 8 8 5 3 2 2 2 2 2 4 5 3
WIND GUST 24 31 31 26
CLOUDS B1 B1 SC SC FW FW FW FW FW FW FW CL CL CL FW FW FW FW SC SC SC
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C C C
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 25 43 28 42 30 44 31 46
TEMP 27 29 41 36 32 31 41 36 32 31 42 37 33 32 44 40
DEWPT 19 22 29 30 28 28 29 30 30 29 31 32 30 30 34 34
PWIND DIR S W NW N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 20 30 5 10 20 20 20 30
RAIN S S S S S S S C C
SNOW S C S
MDZ011-212100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 37 21 31 19 35
TEMP 34 36 36 35 31 29 26 23 21 27 29 31 27 23 22 20 20 27 33 35 33
DEWPT 23 18 14 11 10 9 9 8 7 7 6 4 5 5 6 5 7 8 10 11 14
RH 64 47 40 36 41 42 48 52 54 42 37 31 38 45 49 51 56 44 38 36 45
WIND DIR NW NW NW NW NW NW NW NW NW N NW N N N NE NE NE SE S SE S
WIND SPD 12 18 17 16 11 8 8 6 5 8 8 6 3 2 2 1 1 2 5 5 3
WIND GUST 23 32 32 27
CLOUDS B1 B1 SC SC FW FW FW FW FW FW FW FW CL CL FW FW FW FW SC SC SC
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C C C
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 30 45 32 44 32 46 34 48
TEMP 32 31 43 40 36 34 42 38 36 33 44 40 37 35 47 44
DEWPT 17 21 26 28 26 26 26 28 28 26 29 30 28 28 31 32
PWIND DIR S W NW N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 20 30 5 10 20 20 20 30
RAIN S S S S S S S C C
SNOW S C S
WVZ052-212100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 33 15 30 9 34
TEMP 28 31 32 32 27 25 22 19 16 25 29 30 23 17 14 11 11 22 31 34 30
DEWPT 20 16 12 10 11 11 10 10 9 8 6 5 6 7 6 5 5 8 8 10 13
RH 71 53 43 39 50 55 59 67 73 48 37 34 47 64 70 76 76 54 37 36 49
WIND DIR NW NW NW NW NW NW NW NW N NW NW N NE N N N SE SE S S S
WIND SPD 12 17 18 16 11 9 8 8 6 9 8 4 1 0 0 0 1 4 8 8 5
WIND GUST 24 31 31 27
CLOUDS B1 B1 B1 B1 SC SC SC SC FW FW FW CL CL FW FW FW FW FW SC SC SC
POP 12HR 20 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C
SNOW S S
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 23 43 26 40 26 42 28 44
TEMP 26 28 41 35 31 29 39 35 30 28 40 36 30 30 42 38
DEWPT 16 22 28 28 26 25 28 27 27 25 29 30 27 28 31 31
PWIND DIR S W NW NE NE E E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 B1 B2 B1 B1 B1 B2 B2 B1 B1 B1 B2 B1
POP 12HR 20 20 5 10 20 20 20 30
RAIN S S S S C
SNOW S S S
VAZ506-212100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 35 18 31 11 35
TEMP 30 33 34 33 28 25 24 21 19 25 29 31 24 18 16 13 14 24 32 35 30
DEWPT 24 21 16 14 14 13 13 12 11 11 10 9 10 10 9 7 8 11 13 14 16
RH 78 61 47 45 55 60 62 68 70 55 44 39 54 70 73 76 76 57 45 41 55
WIND DIR NW NW NW NW NW N NW NW N N N N NE NE E E SE SE S S S
WIND SPD 14 20 19 17 11 8 6 6 6 9 8 5 2 1 1 1 1 3 6 6 5
WIND GUST 26 34 32 29
CLOUDS B1 B1 SC SC FW SC SC FW FW FW FW FW CL FW FW FW FW FW FW SC SC
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C C C
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 25 43 28 43 29 44 31 46
TEMP 27 28 41 37 33 30 41 36 32 31 42 37 33 32 44 40
DEWPT 17 22 31 31 29 28 31 31 30 29 33 34 30 31 35 35
PWIND DIR S W NW N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1
POP 12HR 10 30 5 10 20 20 20 30
RAIN S S S S S S C C
SNOW C
VAZ037-212100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 37 18 35 14 37
TEMP 30 36 36 36 29 26 23 21 18 27 33 34 27 23 19 17 16 25 35 37 32
DEWPT 21 16 12 10 10 11 11 10 10 9 7 6 8 9 9 8 9 11 11 11 13
RH 69 43 36 33 44 52 59 62 70 46 33 30 44 54 64 67 73 55 36 33 45
WIND DIR NW NW NW NW NW NW NW NW N N N NE E N N N N S S S S
WIND SPD 9 13 12 11 6 3 3 3 2 2 3 2 1 0 0 0 0 3 6 6 3
WIND GUST 21 27 25 21
CLOUDS B1 SC SC SC FW SC SC FW CL CL FW CL CL FW FW FW FW FW FW FW FW
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C
SPRINKLES C C
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 25 48 30 44 30 45 33 47
TEMP 27 29 46 40 35 33 42 38 34 32 42 40 35 34 44 42
DEWPT 14 20 28 28 27 28 30 29 28 29 31 31 30 30 32 33
PWIND DIR SW W NW E NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1
POP 12HR 0 10 5 20 20 20 20 30
RAIN S S S S S S S C C
MDZ003-212100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 32 15 29 9 33
TEMP 27 31 31 30 26 23 20 18 15 23 28 28 22 17 14 11 12 21 30 33 29
DEWPT 20 17 14 12 12 11 10 9 8 9 7 6 7 7 6 5 6 8 11 12 13
RH 74 56 49 46 55 59 64 67 73 54 40 38 52 64 70 76 76 56 44 41 51
WIND DIR NW NW NW NW NW NW NW NW N NW NW N NE E E SE SE S S S S
WIND SPD 12 17 18 16 12 9 8 6 5 6 5 4 2 2 1 1 1 3 6 6 5
WIND GUST 24 31 31 26
CLOUDS B1 B1 B1 B1 SC SC SC FW FW FW FW FW CL CL FW FW FW SC SC SC B1
POP 12HR 20 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C
SNOW S S
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 25 42 27 40 27 41 30 43
TEMP 27 29 40 35 31 29 38 33 30 30 40 34 31 30 42 37
DEWPT 17 23 31 30 27 26 30 29 28 26 31 31 29 29 34 33
PWIND DIR S SW NW NE NE E E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 OV B2 B2 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 30 20 5 10 20 20 20 30
RAIN S S S S S C C
SNOW C S S S
MDZ017-212100-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 39 20 33 16 38
TEMP 33 36 38 36 30 28 24 22 20 29 33 30 25 23 20 17 18 28 34 37 33
DEWPT 26 24 19 15 14 14 13 12 12 13 12 11 12 13 12 11 13 15 16 17 20
RH 75 61 46 42 51 55 62 65 71 51 41 44 57 65 71 77 80 58 47 44 58
WIND DIR NW NW NW NW NW N NW NW N N N N N NE NE NE NE E SE SE S
WIND SPD 16 19 20 18 16 13 12 12 11 11 11 10 6 5 5 4 3 3 4 5 5
WIND GUST 32
CLOUDS SC SC SC FW FW FW FW FW FW CL CL CL CL FW CL CL CL FW FW FW FW
POP 12HR 10 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 29 46 31 45 34 48 35 50
TEMP 31 32 43 38 36 34 44 38 37 36 45 39 37 36 47 42
DEWPT 24 23 28 31 31 30 31 33 31 31 34 34 32 33 36 36
PWIND DIR SW W N N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B2 B1 B1 SC SC B1 B1 B1 B1 B1 SC SC B1 B1
POP 12HR 10 20 10 20 30 20 30 30
RAIN S S S C S S S S C C C
WVZ502-212100-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 32 13 33 11 41
TEMP 25 28 30 31 25 21 18 15 14 23 31 32 23 18 16 13 14 23 37 41 32
DEWPT 18 16 15 12 12 11 10 10 9 9 9 8 9 10 9 8 8 11 12 14 16
RH 74 60 53 45 57 65 70 80 80 54 39 36 54 70 73 80 76 59 35 33 51
WIND DIR S NW NW NW E N N N NW NW N NE E SE S S S S S S S
WIND SPD 8 13 14 13 9 5 4 3 2 2 2 2 1 1 1 1 1 2 3 4 4
WIND GUST 20 29 27 26 21
CLOUDS B2 B2 B2 B2 B2 B2 B2 SC SC FW FW CL CL FW FW FW FW FW FW FW SC
POP 12HR 30 10 0 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00
FLURRIES C C
SNOW S S C C
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 25 45 28 46 28 46 31 48
TEMP 28 31 43 37 33 30 43 36 32 30 43 38 33 33 45 39
DEWPT 19 26 33 32 31 29 32 31 30 29 34 34 31 33 36 34
PWIND DIR SW W W SE SE E SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1
POP 12HR 10 10 5 10 20 20 20 30
RAIN S S S S S S C C
MDZ014-212100-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
637 AM EST SAT DEC 21 2024
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24
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 35 20 29 17 34
TEMP 31 34 34 34 30 27 25 22 20 25 29 29 26 22 20 18 18 25 31 33 32
DEWPT 25 20 17 13 13 13 12 10 10 9 8 8 9 10 11 10 12 12 12 14 16
RH 78 56 49 41 49 55 57 59 64 50 40 40 48 59 67 70 77 57 45 45 51
WIND DIR NW NW NW NW NW NW NW NW N N N N N N NE NE NE E SE S S
WIND SPD 12 16 17 14 12 10 10 10 8 10 10 8 5 4 2 2 2 2 5 5 4
WIND GUST 25 31 32 25
CLOUDS B1 SC SC SC FW FW FW FW FW FW FW CL CL CL CL FW FW FW FW FW SC
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C
DATE TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
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 28 41 31 41 32 44 34 46
TEMP 30 30 39 37 35 33 40 38 35 32 41 39 36 34 43 42
DEWPT 21 23 28 31 29 28 28 30 31 29 31 32 31 31 34 34
PWIND DIR S W NW N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 20 30 10 10 20 20 30 30
RAIN S S S S S S C C C
SNOW S C S
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