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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon Sep 28 2026

VAZ024-290800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 PM EDT Mon Sep 28 2026

Date           09/28/26      Tue 09/29/26            Wed 09/30/26            Thu
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                 56          82          56          87          56
TEMP          76 69 64 61 59 57 73 80 80 69 62 59 57 57 75 85 86 75 65 61 58 58
DEWPT         56 57 56 56 57 56 59 57 56 59 60 59 57 57 62 57 54 59 57 58 56 56
MIN/MAX RH                  100          42         100          32         100
RH            50 66 75 84 93 96 62 45 44 70 93100100100 64 39 34 58 75 90 93 93
WIND DIR       N  N  N  N  N  N  N NW  E  N  N  N  N  N  N SW  S  N  N  N  N  N
WIND SPD       1  2  1  0  0  0  0  2  1  0  0  0  0  0  0  3  2  0  0  0  0  0
CLOUDS        B2 B2 B2 B2 SC SC FW B1 B1 SC FW SC FW SC FW FW FW SC SC FW FW FW
CLOUDS(%)     72 85 74 72 47 37 16 54 54 38 25 29 22 42  9 21 16 29 31 23 15 19
VSBY          10 10 10  7  2  3  8 10  8 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      5           0           0           0           0
Obvis                     PF PF                                                
MIX HGT        4 <1 <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  3  5  6 <1            
T WIND DIR    NW  N  N  N NW NW  N  W SW  W NW  N  N  N SW SW  S  S            
T WIND SPD     6 10  8  4  1  1  1  2  1  1  2  1  2  1  8  5  6  2            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           26  5  4  2  1  1  5  9  7  1  1  1  1  1 35 35 44  1            
MAX LVORI      2  3  5  6  9  8  3  2  2  4  6  9 10 10  1  1  1  3            
STABILITY      C  F  F  F  G  A  A  C  A  G  G  G  G  A  A  B  B  G            
CEILING        3200  3200  None  None  None  None  None  None  None  None      
STA PRES      28.42 28.49 28.52 28.58 28.55 28.59 28.60 28.65 28.61            


Date           10/01Fri 10/02/26Sat 10/03/26Sun 10/04/26Mon 10/05/26
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       91      59      91      62      81      61      77      54      73
TEMP          88 77 64 61 89 79 67 63 79 71 63 62 74 69 60 55 72 63
DEWPT         54 61 60 59 60 64 64 62 63 63 62 61 66 65 60 55 54 54
RH            31 58 87 93 38 60 90 97 58 76 97 97 76 87100100 53 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC FW FW SC B1 SC SC B2 B2 B2 B1 B2 B1 B1 B1 B1
POP 12HR            0       0      20      20      30      40      50      30      30
RAIN SHWRS                   IS IS IS IS SC SC SC SC SC SC SC SC SC

$$


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