998  
FOUS51 KLWX 231038  
PFMLWX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
638 AM EDT WED OCT 23 2019  
 
VAZ054-232100-  
REAGAN NATIONAL AIRPORT-ARLINGTON VA  
38.86N 77.03W ELEV. 66 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 67 49 70 50 65  
TEMP 53 61 66 65 58 55 53 51 52 63 69 68 60 56 54 53 52 60 64 63 58  
DEWPT 47 47 38 37 41 40 40 39 40 42 41 44 46 45 46 44 45 48 48 49 50  
RH 80 60 36 35 53 57 61 63 63 46 36 42 60 66 74 71 77 64 56 60 75  
WIND DIR W W W W NW NW NW SW W S S S S S S SW W SE S S S  
WIND SPD 9 13 14 9 4 1 1 1 1 3 4 4 3 2 2 1 1 2 2 2 2  
CLOUDS FW FW FW CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 0 5 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 50 64 54 69 55 68 53 66  
TEMP 53 51 63 57 55 56 68 65 59 56 68 60 55 54 66 60  
DEWPT 50 49 50 52 55 56 61 59 55 53 55 55 54 53 53 50  
PWIND DIR W E SE S NW NW NW N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B2 B2 B2 OV OV B2 B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 5 20 50 60 30 20 20 20  
RAIN SHWRS S S C L L C C S S S S S S  
 

 
MDZ013-232100-  
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD  
39.19N 76.67W ELEV. 154 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 66 41 70 44 66  
TEMP 52 60 65 63 54 49 46 44 45 60 68 67 57 52 49 47 47 59 64 64 58  
DEWPT 46 45 37 36 40 39 38 38 38 41 40 43 45 46 44 44 44 46 47 48 49  
RH 80 58 35 36 59 68 73 79 76 49 36 42 64 80 83 89 89 62 54 56 72  
WIND DIR W W W W W NW NW W W S S S S S SW SW NW S S S S  
WIND SPD 10 13 14 10 3 2 2 1 1 3 5 5 3 3 2 2 1 2 2 3 2  
CLOUDS FW FW FW CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 0 5 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 49 64 53 68 54 68 52 66  
TEMP 53 49 63 56 54 55 67 64 57 55 68 61 55 53 66 59  
DEWPT 49 47 49 51 53 55 60 57 54 52 54 53 52 51 51 48  
PWIND DIR W E SE S NW NW N NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV B2 B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 5 20 50 60 30 20 20 20  
RAIN SHWRS S S C L L C C S S S S S S  
 

 
MDZ011-232100-  
BALTIMORE INNER HARBOR-BALTIMORE CITY MD  
39.28N 76.61W ELEV. 20 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 66 50 70 52 66  
TEMP 53 61 65 64 58 55 53 52 53 63 69 68 61 58 56 54 54 61 65 64 58  
DEWPT 47 44 37 36 40 39 39 38 39 42 42 43 46 47 46 45 45 47 47 48 49  
RH 80 53 35 35 51 55 59 59 59 46 37 40 58 67 69 71 71 60 52 56 72  
WIND DIR W W W W W W W W W S S S S S SW W NW SE S S S  
WIND SPD 10 12 14 9 3 2 2 1 1 3 5 4 3 2 2 1 0 2 2 3 2  
CLOUDS FW FW FW CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 0 5 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 50 64 53 69 55 69 52 66  
TEMP 53 52 64 55 53 56 69 65 59 56 69 61 55 53 66 59  
DEWPT 49 47 49 50 53 56 60 57 54 52 54 53 53 51 50 49  
PWIND DIR W NE SE S W NW N NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV B2 B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 5 20 50 60 30 10 20 20  
RAIN SHWRS S S C L L C C S S S S  
 

 
WVZ052-232100-  
MARTINSBURG AIRPORT-BERKELEY WV  
39.41N 77.98W ELEV. 558 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 62 38 69 39 64  
TEMP 48 56 61 59 50 45 43 41 42 58 67 65 54 48 45 43 43 56 62 62 55  
DEWPT 42 43 35 34 36 35 34 34 35 39 40 42 42 42 41 40 40 44 45 47 47  
RH 80 62 38 39 58 68 70 76 76 49 37 43 64 80 86 89 89 64 54 58 74  
WIND DIR SW W W W W SW SW SW SW S S S S S SW NW NW SE S S SW  
WIND SPD 9 13 14 10 4 2 2 1 2 3 5 4 3 2 1 1 0 1 2 2 1  
WIND GUST 24 26 20  
CLOUDS FW FW FW CL CL CL CL CL CL FW FW FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 0 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 45 61 50 67 50 66 47 63  
TEMP 49 46 60 53 51 52 67 61 53 52 66 58 51 48 63 56  
DEWPT 46 44 47 50 51 52 58 54 51 49 53 51 49 47 48 46  
PWIND DIR W E SE SW NW S NW W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B2 B2 OV OV OV B2 B1 B1 B1 SC B1 B1 B1 B1  
POP 12HR 5 30 60 60 20 10 20 20  
RAIN SHWRS C C L L L S S S S S S  
 

 
VAZ506-232100-  
WASHINGTON DULLES AIRPORT-LOUDOUN VA  
38.96N 77.45W ELEV. 321 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 65 37 70 40 65  
TEMP 50 59 64 62 51 46 43 41 42 59 68 66 55 49 46 44 44 57 63 63 56  
DEWPT 44 45 36 35 38 37 37 37 37 41 40 43 45 44 43 42 42 46 47 49 49  
RH 80 60 35 36 61 71 79 85 82 51 36 43 69 83 89 93 93 67 56 60 77  
WIND DIR N W W W W W W SW W S S S S S SW W W SW S S S  
WIND SPD 6 13 14 9 4 2 1 1 2 3 5 4 3 3 1 1 1 2 2 3 2  
CLOUDS FW FW FW CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 0 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 63 52 67 51 67 50 65  
TEMP 51 48 62 56 52 55 67 62 55 52 67 60 53 52 65 57  
DEWPT 49 47 49 52 52 55 60 57 53 51 54 54 52 50 51 49  
PWIND DIR W E SE SW NW W N NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B2 B2 B2 OV OV B2 B1 B1 B1 SC B1 B1 B1 B1  
POP 12HR 5 20 60 60 20 20 20 20  
RAIN SHWRS S C L L L S S S S S S S S  
 

 
VAZ037-232100-  
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA  
38.14N 78.45W ELEV. 640 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 70 37 72 42 66  
TEMP 49 62 68 66 54 47 44 41 42 60 70 68 57 51 48 46 45 58 64 64 57  
DEWPT 43 43 36 34 37 37 36 34 35 39 39 42 43 43 41 40 40 44 45 47 48  
RH 80 50 31 30 52 68 73 76 76 46 32 39 59 74 77 79 82 59 50 54 72  
WIND DIR SW W W W W NW W W W S S S S SW SW W W SW S S S  
WIND SPD 4 5 6 5 2 2 2 2 1 2 5 5 3 2 2 2 1 2 2 3 1  
CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW SC SC B1 B2 B2  
POP 12HR 0 0 0 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 63 51 71 50 69 50 67  
TEMP 51 48 62 56 54 53 70 63 54 52 69 61 54 51 67 59  
DEWPT 47 45 49 51 52 53 59 57 54 51 54 54 52 50 51 49  
PWIND DIR W E SE SW NW SW W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B2 B2 B2 OV B2 B2 B1 SC SC SC SC SC SC B1  
POP 12HR 10 30 50 50 20 20 20 20  
RAIN SHWRS S C C C C C S S S S S S S S  
 

 
MDZ003-232100-  
HAGERSTOWN AIRPORT-WASHINGTON MD  
39.71N 77.73W ELEV. 705 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 63 37 68 41 63  
TEMP 47 57 62 60 50 45 42 40 41 57 66 65 55 49 47 45 44 56 61 61 54  
DEWPT 43 43 36 35 35 36 35 34 34 38 39 41 42 42 41 40 40 44 45 46 46  
RH 86 59 38 39 56 70 76 79 76 49 37 41 61 77 79 82 86 64 56 58 74  
WIND DIR SW W W W SW SW S S S S S S S SE S NE N SE S S S  
WIND SPD 9 11 13 10 4 2 2 2 2 4 6 5 4 2 1 1 1 1 2 3 2  
WIND GUST 24 24 20  
CLOUDS FW FW FW CL CL CL CL CL CL FW FW FW FW FW FW SC SC B1 B1 B2 B2  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 60 50 66 50 65 47 63  
TEMP 48 46 60 51 51 52 66 60 53 52 65 57 51 48 63 55  
DEWPT 45 44 47 48 51 52 58 54 50 48 53 51 49 47 48 46  
PWIND DIR W E SE S NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B2 B2 OV OV OV B2 B1 B1 B1 B1 B1 SC B1 B1  
POP 12HR 5 30 60 60 20 10 20 20  
RAIN SHWRS C C L L L S S S S S S  
 

 
MDZ017-232100-  
PATUXENT RIVER NAS MD  
38.29N 76.41W ELEV. 39 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 65 48 68 50 66  
TEMP 55 61 64 63 57 53 52 50 51 61 67 66 59 56 54 52 52 61 65 65 60  
DEWPT 49 48 41 39 44 44 43 43 44 46 45 47 47 48 48 48 49 50 51 52 52  
RH 80 62 43 41 62 71 71 77 77 58 45 50 64 74 80 86 89 67 60 63 75  
WIND DIR W NW W W W NW NW NW E SE S SE S S S SW W SE S S S  
WIND SPD 11 14 14 9 4 3 2 1 2 3 5 6 6 5 4 4 2 3 3 4 4  
CLOUDS FW FW CL CL CL CL CL CL CL CL CL FW FW FW FW FW SC SC B1 B1 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 54 65 57 70 57 68 56 66  
TEMP 57 54 65 58 58 60 70 65 60 58 68 62 58 57 66 59  
DEWPT 53 51 51 54 56 59 62 60 57 55 57 56 56 55 55 53  
PWIND DIR W NE SE S W N SW N  
WIND CHAR LT LT GN GN LT LT LT LT  
AVG CLOUDS B1 B1 B2 B2 B2 OV OV B2 B2 B1 B1 SC B1 B1 SC B1  
POP 12HR 5 20 40 60 30 20 20 20  
RAIN SHWRS S S C L L C C S S S S S S  
 

 
WVZ502-232100-  
PETERSBURG WV  
38.99N 79.15W ELEV. 963 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 63 34 70 38 67  
TEMP 46 56 62 60 49 43 40 38 39 58 67 66 54 48 45 42 42 57 65 64 56  
DEWPT 39 40 32 31 36 34 34 33 32 37 38 40 42 41 39 38 37 43 43 45 46  
RH 76 55 32 33 61 70 79 82 76 45 34 38 64 77 79 86 82 59 45 50 69  
WIND DIR W W W W SW SW SW SW SW S S S S W SW SW SW S S SW SW  
WIND SPD 6 13 14 8 2 2 2 2 2 2 3 2 1 2 1 1 0 1 1 2 0  
WIND GUST 24 26  
CLOUDS FW FW FW CL CL CL CL CL CL CL FW FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 0 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 63 49 71 47 69 46 65  
TEMP 49 45 62 54 52 51 71 60 50 49 69 59 51 47 65 55  
DEWPT 44 43 47 51 51 51 57 54 50 48 54 52 49 46 50 47  
PWIND DIR W SE SE SW W W SW W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B2 B2 OV OV B2 B1 B1 B1 B1 B1 SC SC B1 B1  
POP 12HR 10 30 60 50 30 20 20 20  
RAIN SHWRS S C C L C C C C S S S S S S  
 

 
MDZ014-232100-  
ANNAPOLIS MD  
38.99N 76.49W ELEV. 7 FT  
638 AM EDT WED OCT 23 2019  
 
DATE WED 10/23/19 THU 10/24/19 FRI 10/25/19  
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 64 46 67 50 66  
TEMP 54 60 63 62 55 52 50 48 49 60 66 65 59 55 54 52 52 61 65 64 59  
DEWPT 48 47 39 38 42 42 41 40 41 44 43 46 48 48 47 46 47 49 49 50 52  
RH 80 62 41 41 61 69 71 74 74 55 43 50 67 77 77 80 83 65 56 60 78  
WIND DIR W W W W W W NW W W S S S S S SW SW NW S SW S S  
WIND SPD 9 14 14 9 4 3 2 2 2 3 6 6 4 4 3 3 1 3 3 3 2  
WIND GUST 25  
CLOUDS FW FW FW CL CL CL CL CL CL FW FW FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 0 5 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE SAT 10/26/19 SUN 10/27/19 MON 10/28/19 TUE 10/29/19  
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 52 63 55 68 56 67 53 66  
TEMP 55 52 63 56 56 57 68 64 59 57 67 61 56 54 66 59  
DEWPT 51 49 50 52 55 57 61 59 55 54 55 55 55 53 52 50  
PWIND DIR W NE SE S W NW N N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B2 B2 B2 OV OV B2 B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 5 20 50 60 30 20 20 20  
RAIN SHWRS S S C L L C C S S S S S S  
 

 
 
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