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

VAZ018-020800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Tue Apr 1 2025

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

MIN/MAX TEMP                 42          54          53          81          65
TEMP                49 46 43 43 46 49 54 54 55 58 60 62 73 80 79 71 68 67 66 66
DEWPT               36 35 34 36 38 41 43 45 48 51 54 57 61 61 61 59 59 58 59 58
MIN/MAX RH                   76          66          85          51          78
RH                  61 65 70 76 73 74 66 71 77 77 81 84 66 52 54 66 73 73 78 75
WIND DIR            SE SE SE SE SE SE SE SE SE SE  S  S  S SW SW  S  S SW SW SW
WIND SPD             4  6  6  6  9  9  9  6  4  5  6  6  9 10  9  5  6  6  5  4
WIND GUST                 17 19 21 21 20 20 20 24 25 27 28 28 26 21 24 24 23 19
CLOUDS              FW SC B2 OV OV OV OV OV OV OV OV OV B2 B1 B1 B2 B1 B2 B2 B2
CLOUDS(%)           23 47 75 96 91 91 94 93 90 90 89 89 73 56 59 76 68 70 86 84
VSBY                10 10 10 10 10 10 10  5  3 10  5 10 10 10 10 10            
POP 12HR                      5          20          50          40          30
RAIN                                      S  C  C  C                           
RAIN SHWRS                                           SC SC SC SC IS IS SC SC SC
TSTMS                                                         IS               
MIX HGT             <1 <1 <1  1  2  2  2 <1 <1 <1 <1 <1  2  4  3 <1            
T WIND DIR          SE SE SE SE SE SE SE SE SE SE SE  S SW SW SW SW            
T WIND SPD           9 12 12 11 13 12 10  8  4  3  2  2 21 24 19 16            
DISPERSION          VP PR PR             PR VP PR PR             PR PR PR PR   
ADI                  6  8 10 17 19 19 17  6  4  5  5  8 45 61 50 10            
MAX LVORI            2  3  3  3  2  2  2  3  5  5  5  4  1  1  1  2            
STABILITY            F  E  E  D  D  D  D  D  E  E  E  D  D  D  D  E            
CEILING              None  7700  1200  1200   200   100   600  2100   900      
STA PRES            27.92 27.96 28.00 27.96 27.95 27.91 27.94 27.93            


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

MAX/MIN TEMP       83      62      86      65      79      50      60      33      54
TEMP          82 71 64 63 83 77 68 66 79 67 58 50 57 47 38 34 53 48
DEWPT         60 58 57 57 58 53 55 55 56 53 48 39 34 26 22 20 20 20
RH            47 63 78 81 43 43 63 68 45 61 69 66 42 43 52 56 27 33
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 SC SC SC FW FW
POP 12HR           60      40      30      30      70      70      30      10       5
RAIN SHWRS    SC NM SC SC SC SC IS SC NM NM NM SC SC IS            
TSTMS               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