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The Data originates at the National Weather Service, and is made available here by the UAlbany Department of Atmospheric and Environmental Sciences

Surface Observations

KLFI 151855Z AUTO 22004KT 9SM CLR 36/20 A2992 RMK AO2 SLP138 T03560199 $=
KLFI 151955Z 23009KT 10SM CLR 36/21 A2991 RMK AO2A SLP135 T03550206 $=
KLFI 152055Z 20010KT 9SM CLR 35/22 A2989 RMK AO2A SLP128 T03520218 57018 $=
KLFI 152155Z 20011KT 10SM CLR 35/20 A2988 RMK AO2A SLP124 T03490204 $=
KLFI 152255Z 23008KT 10SM CLR 34/21 A2988 RMK AO2A SLP124 T03420205 $=
KLFI 152355Z 19009KT 10SM CLR 33/22 A2989 RMK AO2A SLP128 T03320220 10359 20332
 55002 $=
KLFI 160055Z 19008KT 10SM CLR 32/23 A2989 RMK AO2A SLP128 T03230229 $=
KLFI 160155Z 18011KT 10SM CLR 31/24 A2989 RMK AO2A SLP128 T03130236 $=
KLFI 160255Z 18011KT 10SM CLR 31/25 A2989 RMK AO2A SLP128 T03070245 50003 $=
KLFI 160355Z AUTO 20009KT 10SM CLR 30/25 A2989 RMK AO2 SLP128 T02980248 $=
KLFI 160455Z AUTO 23011KT 10SM CLR 30/24 A2988 RMK AO2 SLP124 T02980242
 403590264 $=
KLFI 160555Z AUTO 22014G20KT 10SM CLR 29/24 A2988 RMK AO2 SLP124 T02910235
 10332 20291 58005 $=
KLFI 160655Z AUTO 23012KT 10SM CLR 28/22 A2986 RMK AO2 SLP118 T02820224 $=
KLFI 160755Z AUTO 22011KT 10SM CLR 28/22 A2988 RMK AO2 SLP124 T02790216 $=
KLFI 160855Z AUTO 23011KT 10SM CLR 27/22 A2989 RMK AO2 SLP128 T02690218 53006 $=
KLFI 160955Z AUTO 22011KT 10SM CLR 26/22 A2990 RMK AO2 SLP131 T02640218 $=
KLFI 161055Z AUTO 21011KT 10SM FEW170 26/22 A2990 RMK AO2 SLP131 T02620216 $=
KLFI 161155Z AUTO 22012KT 10SM FEW160 27/22 A2991 RMK AO2 SLP135 T02720223
 10292 20262 51007 $=
KLFI 161255Z AUTO 21009KT 10SM SCT170 28/23 A2992 RMK AO2 SLP138 T02800227 $=
KLFI 161355Z AUTO 19011KT 9SM BKN170 29/23 A2991 RMK AO2 SLP135 T02870229 $=
KLFI 161455Z 22011KT 10SM FEW160 31/23 A2991 RMK AO2A SLP135 T03100233 58001 $=
KLFI 161555Z AUTO 20013KT 9SM FEW180 32/24 A2990 RMK AO2 SLP131 T03220239 $=
KLFI 161655Z AUTO 19012KT 8SM CLR 33/24 A2989 RMK AO2 SLP128 T03260243 $=
KLFI 161702Z AUTO 23011KT 8SM CLR 33/24 A2989 RMK AO2 WSHFT 1658 SLP128 $=
KLFI 161755Z 21011KT 9SM FEW100 34/24 A2989 RMK AO2A SLP128 T03370242 10337
 20274 57008 $=
KLFI 161855Z 21015G22KT 8SM FEW100 34/25 A2986 RMK AO2A SLP118 T03440246 $=

Decoded Surface Observations


The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 02:55 PM EDT was:
  The skies were clear.
  Temperature: 96F ( 36C)  Dewpoint:  68F ( 20C)  Relative Humidity:  40%
  Winds from the SW (220 degs) at  5 mph.
  Pressure: 1013.8 millibars.  Altimeter:29.92 inches of mercury.
  The prevailing visibility was 9 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 03:55 PM EDT was:
  The skies were clear.
  Temperature: 96F ( 36C)  Dewpoint:  69F ( 21C)  Relative Humidity:  42%
  Winds from the SW (230 degs) at 10 mph.
  Pressure: 1013.5 millibars.  Altimeter:29.91 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 04:55 PM EDT was:
  The skies were clear.
  Temperature: 95F ( 35C)  Dewpoint:  71F ( 22C)  Relative Humidity:  46%
  Winds from the SSW(200 degs) at 12 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 9 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 05:55 PM EDT was:
  The skies were clear.
  Temperature: 95F ( 35C)  Dewpoint:  69F ( 20C)  Relative Humidity:  43%
  Winds from the SSW(200 degs) at 13 mph.
  Pressure: 1012.4 millibars.  Altimeter:29.88 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 06:55 PM EDT was:
  The skies were clear.
  Temperature: 94F ( 34C)  Dewpoint:  69F ( 21C)  Relative Humidity:  45%
  Winds from the SW (230 degs) at  9 mph.
  Pressure: 1012.4 millibars.  Altimeter:29.88 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 07:55 PM EDT was:
  The skies were clear.
  Temperature: 92F ( 33C)  Dewpoint:  72F ( 22C)  Relative Humidity:  52%
  Winds from the S  (190 degs) at 10 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 10 miles.
  The maximum temperature in the past 6 hours was  97F.
  The minimum temperature in the past 6 hours was  92F.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 08:55 PM EDT was:
  The skies were clear.
  Temperature: 90F ( 32C)  Dewpoint:  73F ( 23C)  Relative Humidity:  58%
  Winds from the S  (190 degs) at  9 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 09:55 PM EDT was:
  The skies were clear.
  Temperature: 88F ( 31C)  Dewpoint:  74F ( 24C)  Relative Humidity:  64%
  Winds from the S  (180 degs) at 13 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 10:55 PM EDT was:
  The skies were clear.
  Temperature: 87F ( 31C)  Dewpoint:  76F ( 25C)  Relative Humidity:  70%
  Winds from the S  (180 degs) at 13 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 11:55 PM EDT was:
  The skies were clear.
  Temperature: 86F ( 30C)  Dewpoint:  77F ( 25C)  Relative Humidity:  75%
  Winds from the SSW(200 degs) at 10 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 12:55 AM EDT was:
  The skies were clear.
  Temperature: 86F ( 30C)  Dewpoint:  76F ( 24C)  Relative Humidity:  72%
  Winds from the SW (230 degs) at 13 mph.
  Pressure: 1012.4 millibars.  Altimeter:29.88 inches of mercury.
  The prevailing visibility was 10 miles.
  The maximum temperature in the past 24 hours was  97F.
  The minimum temperature in the past 24 hours was  80F.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 01:55 AM EDT was:
  The skies were clear.
  Temperature: 84F ( 29C)  Dewpoint:  74F ( 24C)  Relative Humidity:  72%
  Winds from the SW (220 degs) at 16 mph.
  Pressure: 1012.4 millibars.  Altimeter:29.88 inches of mercury.
  The prevailing visibility was 10 miles.
  The maximum temperature in the past 6 hours was  92F.
  The minimum temperature in the past 6 hours was  84F.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 02:55 AM EDT was:
  The skies were clear.
  Temperature: 83F ( 28C)  Dewpoint:  72F ( 22C)  Relative Humidity:  71%
  Winds from the SW (230 degs) at 14 mph.
  Pressure: 1011.8 millibars.  Altimeter:29.86 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 03:55 AM EDT was:
  The skies were clear.
  Temperature: 82F ( 28C)  Dewpoint:  71F ( 22C)  Relative Humidity:  69%
  Winds from the SW (220 degs) at 13 mph.
  Pressure: 1012.4 millibars.  Altimeter:29.88 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 04:55 AM EDT was:
  The skies were clear.
  Temperature: 80F ( 27C)  Dewpoint:  71F ( 22C)  Relative Humidity:  74%
  Winds from the SW (230 degs) at 13 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 05:55 AM EDT was:
  The skies were clear.
  Temperature: 80F ( 26C)  Dewpoint:  71F ( 22C)  Relative Humidity:  76%
  Winds from the SW (220 degs) at 13 mph.
  Pressure: 1013.1 millibars.  Altimeter:29.90 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 06:55 AM EDT was:
  The skies were mostly clear.
  Temperature: 79F ( 26C)  Dewpoint:  71F ( 22C)  Relative Humidity:  76%
  Winds from the SW (210 degs) at 13 mph.
  Pressure: 1013.1 millibars.  Altimeter:29.90 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 07:55 AM EDT was:
  The skies were mostly clear.
  Temperature: 81F ( 27C)  Dewpoint:  72F ( 22C)  Relative Humidity:  75%
  Winds from the SW (220 degs) at 14 mph.
  Pressure: 1013.5 millibars.  Altimeter:29.91 inches of mercury.
  The prevailing visibility was 10 miles.
  The maximum temperature in the past 6 hours was  85F.
  The minimum temperature in the past 6 hours was  79F.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 08:55 AM EDT was:
  The skies were partly cloudy.
  Temperature: 82F ( 28C)  Dewpoint:  73F ( 23C)  Relative Humidity:  73%
  Winds from the SW (210 degs) at 10 mph.
  Pressure: 1013.8 millibars.  Altimeter:29.92 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 09:55 AM EDT was:
  The skies were mostly cloudy.
  Temperature: 84F ( 29C)  Dewpoint:  73F ( 23C)  Relative Humidity:  71%
  Winds from the S  (190 degs) at 13 mph.
  Pressure: 1013.5 millibars.  Altimeter:29.91 inches of mercury.
  The prevailing visibility was 9 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 10:55 AM EDT was:
  The skies were mostly clear.
  Temperature: 88F ( 31C)  Dewpoint:  74F ( 23C)  Relative Humidity:  64%
  Winds from the SW (220 degs) at 13 mph.
  Pressure: 1013.5 millibars.  Altimeter:29.91 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 11:55 AM EDT was:
  The skies were mostly clear.
  Temperature: 90F ( 32C)  Dewpoint:  75F ( 24C)  Relative Humidity:  62%
  Winds from the SSW(200 degs) at 15 mph.
  Pressure: 1013.1 millibars.  Altimeter:29.90 inches of mercury.
  The prevailing visibility was 9 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 12:55 PM EDT was:
  The skies were clear.
  Temperature: 91F ( 33C)  Dewpoint:  76F ( 24C)  Relative Humidity:  62%
  Winds from the S  (190 degs) at 14 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 8 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 01:02 PM EDT was:
  The skies were clear.
  Temperature: 91F ( 33C)  Dewpoint:  75F ( 24C)  Relative Humidity:  59%
  Winds from the SW (230 degs) at 13 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 8 miles.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 01:55 PM EDT was:
  The skies were mostly clear.
  Temperature: 93F ( 34C)  Dewpoint:  76F ( 24C)  Relative Humidity:  58%
  Winds from the SW (210 degs) at 13 mph.
  Pressure: 1012.8 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 9 miles.
  The maximum temperature in the past 6 hours was  93F.
  The minimum temperature in the past 6 hours was  81F.

The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 02:55 PM EDT was:
  The skies were mostly clear.
  Temperature: 94F ( 34C)  Dewpoint:  76F ( 25C)  Relative Humidity:  57%
  Winds from the SW (210 degs) at 17 mph.
  Pressure: 1011.8 millibars.  Altimeter:29.86 inches of mercury.
  The prevailing visibility was 8 miles.

Short Range Forecast

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Zone Forecast

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State Forecast

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State Forecast Discussion

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GFS Short-Range Model Output Statistics (MOS) Forecast

KLFI   GFS MOS GUIDANCE    7/16/2024  1200 UTC
DT /JULY 16/JULY 17                /JULY 18                /JULY 19
HR   18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 06 12
N/X                    80          96          76          84    71
TMP  96 98 92 86 83 81 83 90 93 93 88 82 79 78 78 80 82 81 77 73 75
DPT  74 73 74 75 76 77 77 77 77 77 76 77 77 77 77 75 75 74 74 73 72
CLD  FW SC SC SC SC FW BK SC SC BK OV OV OV OV OV OV OV OV OV OV OV
WDR  22 22 20 21 22 22 22 22 22 21 22 23 22 24 26 30 04 07 09 27 02
WSP  12 13 12 12 11 09 12 13 14 15 14 11 09 07 07 06 07 07 06 03 07
P06         0     2     8     9    42    40    26    34    54 39 18
P12                     8          42          56          61    43
Q06         0     0     0     0     1     1     0     1     4  1  0
Q12                     0           0           1           4     1
T06     21/21 15/10  3/ 1  8/ 2 37/21 28/ 7 15/ 0 19/ 0 30/ 9 10/ 0
T12           25/21        8/ 3       52/22       27/ 2    34/ 9
CIG   8  8  8  8  8  8  8  8  8  8  8  7  8  4  5  4  6  6  6  7  7
VIS   7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  5  7
OBV   N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N BR  N

GFS Long-Range Model Output Statistics (MOS) Forecast

KLFI   GFSX MOS GUIDANCE   7/16/2024  1200 UTC
FHR  24  36| 48  60| 72  84| 96 108|120 132|144 156|168 180|192
     WED 17| THU 18| FRI 19| SAT 20| SUN 21| MON 22| TUE 23|WED CLIMO
N/X  80  96| 76  84| 71  84| 72  86| 73  90| 74  88| 73  90| 75 71 86
TMP  83  88| 78  77| 75  78| 77  79| 78  82| 78  81| 77  83| 79
DPT  77  76| 77  74| 72  70| 74  72| 76  75| 75  73| 74  73| 76
CLD  PC  OV| OV  OV| OV  OV| OV  OV| OV  OV| OV  OV| OV  PC| PC
WND  12  15| 14   7|  7   8|  6   8|  6   8|  7   8|  7   9| 10
P12   8  42| 56  61| 43  24| 17  40| 28  41| 42  40| 35  33| 26999999
P24      42|     81|     48|     40|     55|     59|     56|       33
Q12   0   0|  1   4|  1   0|  0   1|  0   2|  3   4|       |
Q24       0|      4|      1|      0|      2|      4|       |
T12  15  37| 31  37| 23  13|  7  22| 21  38| 28  34| 24  30| 21
T24        | 53    | 38    | 13    | 30    | 52    | 40    | 34

NGM Model Output Statistics (MOS) Forecast

Climatological Summary

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Watch and Warning Statment

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Park/Ski Recreation Report/Forecast

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