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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Thu Mar 19 2026

VAZ024-200800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
501 PM EDT Thu Mar 19 2026

Date           03/19/26      Fri 03/20/26            Sat 03/21/26            Sun
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                 37          72          50          77          49
TEMP             56 47 42 38 37 57 69 71 65 59 55 52 51 65 74 76 68 59 55 52 50
DEWPT            37 36 35 35 34 40 41 43 44 45 46 48 47 52 49 47 47 47 47 46 46
MIN/MAX RH                   90          35          89          35          87
RH               49 65 76 89 89 53 36 36 46 60 72 86 86 63 41 36 47 64 74 80 86
WIND DIR         SW NW NW  W  W SW SW SW SW SW  W  W  W NW  W  W SW  W NW NW  W
WIND SPD          1  1  1  1  1  2  6  6  4  3  2  2  2  2  3  3  2  1  1  1  1
WIND GUST                          18 18 16                                    
CLOUDS           FW CL CL FW SC SC B1 B2 B1 B1 B1 B1 B1 B1 B1 SC FW FW SC SC SC
CLOUDS(%)        11  3  4 12 27 29 56 73 69 55 56 61 65 64 56 47 24 13 42 46 31
VSBY             10 10 10 10  8 10 10 10  6 10 10 10 10 10 10 10 10            
POP 12HR                      0          30          30           5           0
RAIN SHWRS                               SC SC                                 
MIX HGT          <1 <1 <1 <1 <1  2  5  6  1 <1 <1 <1 <1  3  5  6 <1            
T WIND DIR        S SW NW NW NW SW SW SW  S SW SW  W NW NW  W  W  S            
T WIND SPD        3  1  2  3  2  6 20 23 12 11 11  8  9  4  4  5  3            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               2  1  1  2  2 17124101  8  5  5  4 10 15 26 39  2            
MAX LVORI         2  4  4  6  6  2  1  1  2  3  3  5  5  2  2  1  2            
STABILITY         G  G  G  G  A  B  B  C  E  F  F  F  B  B  B  B  G            
CEILING              None  None  None 12000  None  2300 14400  None  None      
STA PRES            28.64 28.61 28.57 28.41 28.33 28.31 28.40 28.36            


Date           03/22Mon 03/23/26Tue 03/24/26Wed 03/25/26Thu 03/26/26
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      56      69      34      59      37      61      41      70
TEMP          79 72 61 58 66 58 41 35 56 51 43 39 59 56 47 43 65 65
DEWPT         53 52 52 50 38 29 26 23 23 27 29 31 36 36 35 36 45 45
RH            41 49 72 75 36 33 55 61 27 39 57 73 42 47 63 76 48 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 SC FW FW FW FW B1 B1 B1 B1 B1 B1 B1 B1 SC
POP 12HR            0      20      10      10       5      10      10      10      10
RAIN SHWRS             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