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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Tue Apr 1 2025

VAZ024-012000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
731 AM EDT Tue Apr 1 2025

Date             Tue 04/01/25            Wed 04/02/25            Thu 04/03/25
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 68          42          63          58          83
TEMP             45 54 64 67 59 52 46 44 44 54 59 63 61 60 59 59 62 73 78 82 78
DEWPT            35 35 35 32 33 33 33 33 35 37 41 43 47 52 54 57 60 64 64 62 61
MAX/MIN RH                   27          69          49         100          50
RH               68 48 34 27 37 48 60 65 70 52 51 48 60 75 83 93 93 73 62 51 56
WIND DIR         NW  N  N SE SE  E  E  E  E SE SE  S SE  S  S  S  S  S  S  S  S
WIND SPD          4  4  3  2  3  3  3  3  3  4  6  5  2  3  4  4  5  6 10  8  4
WIND GUST                                            12    16 16 16 19 23 20 16
CLOUDS           FW FW CL CL FW FW FW B1 OV B2 B1 B1 B2 B2 OV OV B2 B2 B1 B1 B1
CLOUDS(%)        16 16  0  3  7 12 17 57 92 85 62 63 80 86 89 90 86 79 60 58 68
VSBY             10 10 10 10 10 10 10 10 10  8  7  7  7  5 10 10 10 10 10 10 10
POP 12HR                      0           5           5          40          40
RAIN SHWRS                                              SC SC SC SC IS IS SC SC
TSTMS                                                                     IS IS
MIX HGT           2  3  5  6 <1  1 <1  1  2  2  3  3  1  1 <1 <1 <1  2  3  4  1
T WIND DIR       NW NW NW  W SE  E  E SE SE SE SE SE SE  E  N  S  S  S SW  S SW
T WIND SPD       14  6  5  2  4 10  6  8 12 11 10 11  2  2  0  2  5 14 19 21 16
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI              38 28 33 16  2  5  3  4 26 25 25 27  2  1  0  2  7 27 48 60 11
MAX LVORI         3  2  1  2  2  2  3  3  3  2  2  2  3  4  6  6  5  3  1  1  2
STABILITY         B  B  B  B  G  G  G  F  C  D  D  D  E  F  E  E  D  D  D  D  E
CEILING              None  None  None  9200  2700  2200  1700   400   900  1900
STA PRES            28.53 28.56 28.68 28.74 28.77 28.73 28.70 28.66 28.67 28.64


Date          Fri 04/04/25Sat 04/05/25Sun 04/06/25Mon 04/07/25
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       66      86      61      84      63      82      51      65
TEMP          71 69 83 78 68 65 79 77 69 67 78 71 59 53 62 55
DEWPT         61 61 63 60 58 57 61 58 56 57 59 55 50 42 35 27
RH            71 76 51 54 70 75 54 52 63 70 52 57 72 66 36 34
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 SC FW
POP 12HR           30      50      50      30      30      70      50      30
RAIN SHWRS    SC SC SC SC SC SC SC IS    SC NM NM SC SC SC IS
TSTMS         IS IS IS IS IS                                 

$$


This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.

Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)

DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew point temperature
MIN/MAX RH OR MAX/MIN RH(%).........Maximum/Minimum humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
     EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
   TYPE...
       RAIN...........Rain
       RAIN SHWRS.....Rain showers
       TSTMS..........Thunderstorms
       DRIZZLE........Drizzle
       SNOW...........Snow
       SNOWSHWRS......Snow showers
       SLEET..........Sleet
       FRZG RAIN......Freezing rain
       FRZG DRZL......Freezing drizzle
   COVERAGE...
       IS.............Isolated
       SC.............Scattered
       NM.............Numerous
       O..............Occasional
       S..............Slight chance
       C..............Chance
       L..............Likely
       WD.............Widespread
       D..............Definite
       AR.............Areas
       PA.............Patchy

MIX HGT(THOUSANDS OF FT AGL)........Mixing height
     Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
     Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure

Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
     Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions