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

VAZ020-012000-
RAWS 441801
37.99N  79.76W Elev. 2160 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                 64          42          59          54          81
TEMP             41 50 60 62 55 50 45 44 43 52 56 59 57 56 55 55 58 70 76 80 76
DEWPT            30 30 28 26 28 29 30 30 31 34 36 39 42 47 50 52 55 58 57 57 57
MAX/MIN RH                   25          63          47          98          45
RH               65 46 29 25 35 44 55 57 62 50 47 47 57 72 83 90 90 66 52 45 52
WIND DIR         NW NW NW  W SE  E SE SE SE SE  S  S  S  S  S  S  S SW SW SW  S
WIND SPD         11  4  3  2  2  3  3  3  4  3  3  3  2  3  3  4  4  4  4  3  3
WIND GUST        24                            13 13       14 16 16 16 16 13   
CLOUDS           SC FW CL CL FW FW SC B1 OV B2 B1 B1 B2 B2 B2 OV OV B2 B1 B1 B2
CLOUDS(%)        30 23  0  0 12 14 43 51 98 80 67 61 78 86 86 88 89 71 56 59 70
VSBY             10 10 10 10 10 10 10 10 10  4  4  4  2  1 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  2  4  5 <1 <1 <1 <1 <1  2  2  2 <1 <1 <1 <1 <1  1  3  4 <1
T WIND DIR       NW NW NW  W SE SE SE SE SE SE SE SE  S SE  W  W SW  S SW SW  S
T WIND SPD       13  9  6  2  5 10  9  9 10 12 11  9  4  1  1  2  2  5 25 23 12
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI              28 27 33 13  3  5  4  4 13 23 24 17  3  1  1  2  3  8 62 65  8
MAX LVORI         2  2  1  2  2  2  3  3  2  2  2  2  3  4  6  5  5  4  1  1  3
STABILITY         C  B  B  B  G  G  F  F  D  D  D  D  E  E  E  E  D  D  D  D  E
CEILING              None  None  None  7100  1800  1000   700   700   700  1900
STA PRES            27.84 27.88 27.99 28.04 28.06 28.03 28.01 27.98 27.97 27.95


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       64      80      63      79      63      76      49      58
TEMP          69 67 77 74 67 65 76 74 68 65 73 67 56 51 56 50
DEWPT         57 58 57 55 55 55 56 53 53 54 53 48 43 36 28 21
RH            66 73 50 51 65 70 50 48 59 68 49 50 62 56 34 31
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           40      60      50      40      40      70      50      20
RAIN SHWRS    SC SC SC NM SC SC SC SC IS SC NM NM SC SC IS IS
TSTMS         IS IS IS SC 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