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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
432 PM EDT Wed Mar 18 2026

VAZ018-190800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
432 PM EDT Wed Mar 18 2026

Date           03/18/26      Thu 03/19/26            Fri 03/20/26            Sat
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                 31          58          38          66          50
TEMP          43 37 34 33 32 33 46 56 57 50 46 44 41 39 54 63 65 59 55 54 53 53
DEWPT         16 18 19 21 22 23 30 37 39 39 38 38 36 35 42 42 43 43 44 44 46 47
MIN/MAX RH                   68          48          89          44          82
RH            33 46 54 61 66 66 53 49 51 66 73 79 82 85 64 46 45 55 66 69 77 80
WIND DIR       S  S SW SW SW SW SW  W SW  W NW NW  W  W SW SW SW SW SW  W  W  W
WIND SPD       4  2  2  1  1  1  2  3  3  2  1  1  1  1  2  4  4  3  4  5  5  5
WIND GUST     14 13             12 14 13                12 16 17 14 18 20 20 21
CLOUDS        SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 FW SC SC B1 B1 B2 B2 B1 B1 B1 B1
CLOUDS(%)     34 41 43 60 67 59 65 68 82 75 53 24 36 48 62 63 82 75 65 65 58 55
VSBY          10 10 10 10 10 10  9  9 10  9  9  6  6  9  9  9  9  9            
POP 12HR                      0           5          10          10          20
RAIN SHWRS                                                       IS IS         
MIX HGT        5 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  2  5  6 <1            
T WIND DIR     S SE  S  S SW  W  W  W NW  W  W  W NW  W SW SW SW  S            
T WIND SPD     9 10  6  3  2  3 18 13 12  4  5  5  4  3  2 16 19 10            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP PR PR   
ADI           49  5  3  2  1  3 49 49 43  2  3  3  2  3  5 90 85  5            
MAX LVORI      1  2  3  3  3  3  1  1  1  3  3  4  5  6  3  1  1  3            
STABILITY      B  F  F  F  F  C  C  C  C  F  F  G  G  A  B  B  C  F            
CEILING              None  3500  1800  3500  None  None 19900 15900  7200      
STA PRES            27.94 27.90 27.90 27.88 27.91 27.89 27.85 27.71            


Date           03/21Sun 03/22/26Mon 03/23/26Tue 03/24/26Wed 03/25/26
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       71      52      79      50      59      33      55      36      61
TEMP          68 62 54 53 77 70 58 51 56 49 38 34 51 48 40 39 59 55
DEWPT         48 46 46 48 50 49 49 41 33 27 23 22 26 27 28 30 36 34
RH            49 56 74 83 39 47 72 68 42 42 54 61 37 44 62 70 42 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC SC SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 SC B1
POP 12HR            5       0      10      40      30      20      10      20      20
RAIN SHWRS                      SC SC SC IS IS             IS IS   
SNOWSHWRS                                   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