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The Data originates at the National Weather Service, and is
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UAlbany Department of Atmospheric and Environmental Sciences
Surface Observations
KLFI 282355Z 12007KT 10SM CLR 19/07 A3031 RMK AO2A SLP270 T01880066 10213 20182
55000 $=
KLFI 290055Z 16009KT 10SM CLR 18/04 A3032 RMK AO2A SLP274 T01760038 $=
KLFI 290155Z 16006KT 10SM CLR 17/05 A3032 RMK AO2A SLP274 T01690046 $=
KLFI 290255Z 16006KT 10SM CLR 16/06 A3031 RMK AO2A SLP270 T01570056 50000 $=
KLFI 290355Z 17007KT 10SM CLR 15/05 A3032 RMK AO2A SLP274 T01490054 $=
KLFI 290455Z 18006KT 10SM CLR 15/07 A3030 RMK AO2A SLP267 T01460069 402130115 $=
KLFI 290555Z 20004KT 10SM CLR 14/05 A3030 RMK AO2A SLP267 T01390053 10188 20137
58005 $=
KLFI 290655Z 18008KT 10SM CLR 13/05 A3030 RMK AO2A SLP267 T01290051 $=
KLFI 290755Z 20007KT 10SM CLR 12/05 A3029 RMK AO2A SLP264 T01160046 $=
KLFI 290855Z 21006KT 10SM CLR 12/06 A3028 RMK AO2A SLP260 T01220060 57004 $=
KLFI 290955Z 20006KT 10SM CLR 10/06 A3030 RMK AO2A SLP267 T01030061 $=
KLFI 291055Z 18005KT 10SM FEW250 13/08 A3030 RMK AO2A SLP267 T01310082 $=
KLFI 291155Z 18009KT 10SM FEW250 17/09 A3031 RMK AO2A SLP270 T01650092 10165
20103 51007 $=
KLFI 291255Z 20013KT 10SM FEW250 20/10 A3031 RMK AO2A SLP270 T01970096 $=
KLFI 291355Z 21013KT 10SM FEW250 21/07 A3028 RMK AO2A SLP260 T02080067 $=
KLFI 291455Z 21011KT 9SM FEW250 22/08 A3027 RMK AO2A SLP257 T02190084 58012 $=
KLFI 291555Z 22011KT 10SM FEW250 24/10 A3025 RMK AO2A SLP250 T02370104 $=
KLFI 291634Z 25014G20KT 9SM CLR 24/10 A3023 RMK AO2A WSHFT 22 SLP243 $=
KLFI 291655Z 24014G19KT 10SM CLR 24/10 A3022 RMK AO2A SLP240 T02430098 $=
KLFI 291755Z 20012G23KT 9SM FEW250 26/10 A3020 RMK AO2A SLP233 T02560102 10256
20166 57025 $=
KLFI 291855Z 20014KT 9SM FEW250 26/10 A3016 RMK AO2A SLP220 T02600098 $=
KLFI 291955Z 18013G21KT 10SM FEW250 27/10 A3012 RMK AO2A SLP206 T02660103 $=
KLFI 292055Z 20016G20KT 10SM FEW250 27/11 A3011 RMK AO2A SLP203 T02660107 57030
$=
KLFI 292155Z 20014KT 9SM FEW250 26/10 A3010 RMK AO2A SLP199 T02640101 $=
KLFI 292255Z 21015G23KT 10SM FEW250 26/10 A3008 RMK AO2A SLP192 T02590101 $=
KLFI 292355Z 20009KT 10SM FEW250 25/11 A3006 RMK AO2A SLP186 T02460108 10268
20246 58014 $=
Decoded Surface Observations
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 07:55 PM EDT was:
The skies were clear.
Temperature: 66F ( 19C) Dewpoint: 44F ( 7C) Relative Humidity: 45%
Winds from the SE (120 degs) at 8 mph.
Pressure: 1027.0 millibars. Altimeter:30.31 inches of mercury.
The prevailing visibility was 10 miles.
The maximum temperature in the past 6 hours was 70F.
The minimum temperature in the past 6 hours was 65F.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 08:55 PM EDT was:
The skies were clear.
Temperature: 64F ( 18C) Dewpoint: 39F ( 4C) Relative Humidity: 40%
Winds from the SSE(160 degs) at 10 mph.
Pressure: 1027.4 millibars. Altimeter:30.32 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: 62F ( 17C) Dewpoint: 40F ( 5C) Relative Humidity: 44%
Winds from the SSE(160 degs) at 7 mph.
Pressure: 1027.4 millibars. Altimeter:30.32 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: 60F ( 16C) Dewpoint: 42F ( 6C) Relative Humidity: 51%
Winds from the SSE(160 degs) at 7 mph.
Pressure: 1027.0 millibars. Altimeter:30.31 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: 59F ( 15C) Dewpoint: 42F ( 5C) Relative Humidity: 53%
Winds from the S (170 degs) at 8 mph.
Pressure: 1027.4 millibars. Altimeter:30.32 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: 58F ( 15C) Dewpoint: 44F ( 7C) Relative Humidity: 60%
Winds from the S (180 degs) at 7 mph.
Pressure: 1026.7 millibars. Altimeter:30.30 inches of mercury.
The prevailing visibility was 10 miles.
The maximum temperature in the past 24 hours was 70F.
The minimum temperature in the past 24 hours was 53F.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 01:55 AM EDT was:
The skies were clear.
Temperature: 57F ( 14C) Dewpoint: 42F ( 5C) Relative Humidity: 56%
Winds from the SSW(200 degs) at 5 mph.
Pressure: 1026.7 millibars. Altimeter:30.30 inches of mercury.
The prevailing visibility was 10 miles.
The maximum temperature in the past 6 hours was 66F.
The minimum temperature in the past 6 hours was 57F.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 02:55 AM EDT was:
The skies were clear.
Temperature: 55F ( 13C) Dewpoint: 41F ( 5C) Relative Humidity: 59%
Winds from the S (180 degs) at 9 mph.
Pressure: 1026.7 millibars. Altimeter:30.30 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: 53F ( 12C) Dewpoint: 40F ( 5C) Relative Humidity: 62%
Winds from the SSW(200 degs) at 8 mph.
Pressure: 1026.4 millibars. Altimeter:30.29 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: 54F ( 12C) Dewpoint: 43F ( 6C) Relative Humidity: 66%
Winds from the SW (210 degs) at 7 mph.
Pressure: 1026.0 millibars. Altimeter:30.28 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: 51F ( 10C) Dewpoint: 43F ( 6C) Relative Humidity: 75%
Winds from the SSW(200 degs) at 7 mph.
Pressure: 1026.7 millibars. Altimeter:30.30 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: 56F ( 13C) Dewpoint: 47F ( 8C) Relative Humidity: 72%
Winds from the S (180 degs) at 6 mph.
Pressure: 1026.7 millibars. Altimeter:30.30 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: 62F ( 17C) Dewpoint: 49F ( 9C) Relative Humidity: 62%
Winds from the S (180 degs) at 10 mph.
Pressure: 1027.0 millibars. Altimeter:30.31 inches of mercury.
The prevailing visibility was 10 miles.
The maximum temperature in the past 6 hours was 62F.
The minimum temperature in the past 6 hours was 51F.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 08:55 AM EDT was:
The skies were mostly clear.
Temperature: 67F ( 20C) Dewpoint: 49F ( 10C) Relative Humidity: 52%
Winds from the SSW(200 degs) at 15 mph.
Pressure: 1027.0 millibars. Altimeter:30.31 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 clear.
Temperature: 69F ( 21C) Dewpoint: 44F ( 7C) Relative Humidity: 40%
Winds from the SW (210 degs) at 15 mph.
Pressure: 1026.0 millibars. Altimeter:30.28 inches of mercury.
The prevailing visibility was 10 miles.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 10:55 AM EDT was:
The skies were mostly clear.
Temperature: 71F ( 22C) Dewpoint: 47F ( 8C) Relative Humidity: 42%
Winds from the SW (210 degs) at 13 mph.
Pressure: 1025.7 millibars. Altimeter:30.27 inches of mercury.
The prevailing visibility was 9 miles.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 11:55 AM EDT was:
The skies were mostly clear.
Temperature: 75F ( 24C) Dewpoint: 51F ( 10C) Relative Humidity: 43%
Winds from the SW (220 degs) at 13 mph.
Pressure: 1025.0 millibars. Altimeter:30.25 inches of mercury.
The prevailing visibility was 10 miles.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 12:34 PM EDT was:
The skies were clear.
Temperature: 75F ( 24C) Dewpoint: 50F ( 10C) Relative Humidity: 41%
Winds from the WSW(250 degs) at 16 mph.
Pressure: 1024.3 millibars. Altimeter:30.23 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: 76F ( 24C) Dewpoint: 50F ( 10C) Relative Humidity: 40%
Winds from the SW (240 degs) at 16 mph.
Pressure: 1024.0 millibars. Altimeter:30.22 inches of mercury.
The prevailing visibility was 10 miles.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 01:55 PM EDT was:
The skies were mostly clear.
Temperature: 78F ( 26C) Dewpoint: 50F ( 10C) Relative Humidity: 38%
Winds from the SSW(200 degs) at 14 mph.
Pressure: 1023.3 millibars. Altimeter:30.20 inches of mercury.
The prevailing visibility was 9 miles.
The maximum temperature in the past 6 hours was 78F.
The minimum temperature in the past 6 hours was 62F.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 02:55 PM EDT was:
The skies were mostly clear.
Temperature: 79F ( 26C) Dewpoint: 50F ( 10C) Relative Humidity: 36%
Winds from the SSW(200 degs) at 16 mph.
Pressure: 1022.0 millibars. Altimeter:30.16 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 mostly clear.
Temperature: 80F ( 27C) Dewpoint: 51F ( 10C) Relative Humidity: 36%
Winds from the S (180 degs) at 15 mph.
Pressure: 1020.6 millibars. Altimeter:30.12 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 mostly clear.
Temperature: 80F ( 27C) Dewpoint: 51F ( 11C) Relative Humidity: 37%
Winds from the SSW(200 degs) at 18 mph.
Pressure: 1020.3 millibars. Altimeter:30.11 inches of mercury.
The prevailing visibility was 10 miles.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 05:55 PM EDT was:
The skies were mostly clear.
Temperature: 80F ( 26C) Dewpoint: 50F ( 10C) Relative Humidity: 36%
Winds from the SSW(200 degs) at 16 mph.
Pressure: 1019.9 millibars. Altimeter:30.10 inches of mercury.
The prevailing visibility was 9 miles.
The weather observed at LANGLEY AFB/HAMP, VA (KLFI) at 06:55 PM EDT was:
The skies were mostly clear.
Temperature: 79F ( 26C) Dewpoint: 50F ( 10C) Relative Humidity: 37%
Winds from the SW (210 degs) at 17 mph.
Pressure: 1019.2 millibars. Altimeter:30.08 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 mostly clear.
Temperature: 76F ( 25C) Dewpoint: 51F ( 11C) Relative Humidity: 42%
Winds from the SSW(200 degs) at 10 mph.
Pressure: 1018.6 millibars. Altimeter:30.06 inches of mercury.
The prevailing visibility was 10 miles.
The maximum temperature in the past 6 hours was 80F.
The minimum temperature in the past 6 hours was 76F.
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 4/29/2025 1800 UTC
DT /APR 30 /MAY 1 /MAY 2
HR 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 12 18
N/X 65 80 61 80 67
TMP 74 69 68 66 68 75 78 77 71 67 65 63 65 73 77 78 74 71 71 70 84
DPT 53 57 59 61 62 64 64 63 63 63 63 62 65 65 65 63 62 62 63 63 63
CLD CL CL CL FW BK SC BK BK BK BK OV OV OV OV BK SC SC CL SC BK SC
WDR 20 20 22 22 23 25 28 07 08 10 09 11 16 15 15 17 17 19 21 22 23
WSP 12 15 15 14 14 10 09 09 07 05 05 04 06 06 08 09 10 11 12 15 14
P06 0 5 11 33 18 19 23 27 6 12 8
P12 5 37 31 31 16
Q06 0 0 0 0 0 0 0 0 0 0 0
Q12 0 0 0 0 0
T06 0/ 0 2/ 0 2/ 1 10/ 9 8/ 1 6/ 0 10/ 0 13/ 9 5/ 7 2/ 0
T12 2/ 3 16/10 14/ 0 15/ 9 4/ 2
POZ 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
POS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TYP R R R R R R R R R R R R R R R R R R R R R
SNW 0 0
CIG 8 8 8 8 8 8 7 7 8 8 7 7 7 6 8 8 8 8 8 8 8
VIS 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
OBV N N N N N N N N N N N N N N N N N N N N N
GFS Long-Range Model Output Statistics (MOS) Forecast
KLFI GFSX MOS GUIDANCE 4/29/2025 1200 UTC
FHR 24 36| 48 60| 72 84| 96 108|120 132|144 156|168 180|192
WED 30| THU 01| FRI 02| SAT 03| SUN 04| MON 05| TUE 06|WED CLIMO
N/X 64 81| 61 80| 67 85| 67 76| 50 66| 51 69| 54 73| 58 54 72
TMP 68 71| 65 73| 70 76| 69 65| 54 59| 57 62| 59 67| 64
DPT 62 65| 65 62| 64 64| 65 54| 43 41| 48 46| 53 50| 57
CLD CL OV| OV OV| PC OV| OV OV| CL CL| CL CL| CL CL| CL
WND 14 14| 8 10| 14 17| 16 16| 12 11| 8 11| 7 9| 9
P12 3 52| 57 23| 13 51| 55 52| 14 4| 2 3| 4 4| 10999999
P24 53| 67| 64| 81| 20| 5| 13| 32
Q12 0 1| 2 0| 0 2| 2 3| 0 0| 0 0| |
Q24 1| 2| 2| 4| 0| 0| |
T12 1 22| 24 8| 3 31| 32 24| 0 2| 3 3| 3 5| 8
T24 | 46 | 13 | 53 | 24 | 4 | 9 | 8
PZP 0 0| 0 0| 0 0| 0 0| 0 1| 0 0| 0 0| 0
PSN 0 0| 0 0| 0 0| 0 0| 0 0| 2 0| 2 0| 2
PRS 0 0| 0 0| 1 0| 0 1| 1 2| 1 1| 1 0| 1
TYP R R| R R| R R| R R| R R| R R| R R| R
SNW 0| 0| 0| 0| 0| 0| |
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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