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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EDT Tue Jul 28 2026

VAZ018-282000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
631 AM EDT Tue Jul 28 2026

Date             Tue 07/28/26            Wed 07/29/26            Thu 07/30/26
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                 86          65          81          61          82
TEMP             71 81 85 82 74 71 69 66 66 74 79 78 70 66 64 61 63 75 81 80 72
DEWPT            67 71 72 71 68 66 64 63 62 63 62 61 59 58 58 57 57 60 60 60 58
MAX/MIN RH                   64          89          56          85          48
RH               87 72 65 69 82 84 84 90 87 69 56 56 68 75 81 87 81 60 49 51 61
WIND DIR          W  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD          6  9 10  9  9  8  6  8 10 10  9 10  9  6  6  6  8  8  8  8  6
WIND GUST        23 26 29 27 27 27 24 26 32 28 26 28 27 25 24 25 26 24 23 23 23
CLOUDS           OV B1 B2 B1 SC FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW
CLOUDS(%)        95 69 74 57 35 12 11  6 14  7 10 21 22 17 27 15 23 21 17 14 11
VSBY              9  9 10 10 10  9  9 10  7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     50          20           0           0           0
RAIN SHWRS       IS SC SC SC IS                                                
TSTMS               SC SC SC IS                                                
MIX HGT           1  3  3  3  1 <1 <1 <1  2  3  5  5  2 <1 <1 <1  2  3  5  6  2
T WIND DIR       SE SW  W NW NW NW NW NW NW NW NW NW NW NW NW NW NW  N  N  N  N
T WIND SPD        5 26 37 28 24 12  9  9 25 28 27 28 23 18 19 12 17 21 19 17 16
DISPERSION                   PR PR PR PR             PR PR PR PR             PR
ADI               7 81121 87 16  8  4  6 49119157175 15  8  9  6 34 88111113  7
MAX LVORI         5  3  1  1  3  4  5  5  4  1  1  1  3  4  4  5  3  1  1  1  3
STABILITY         C  C  C  C  E  E  F  E  B  B  B  B  E  F  F  F  B  B  B  B  F
CEILING               500  1600  None  None  None  None  None  None  None  None
STA PRES            27.43 27.42  27.5 27.53 27.56 27.57 27.60 27.64 27.70 27.72


Date          Fri 07/31/26Sat 08/01/26Sun 08/02/26Mon 08/03/26
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       61      86      63      85      66      82      66      82
TEMP          63 64 83 76 66 65 83 76 69 67 80 73 69 67 80 74
DEWPT         57 58 60 60 59 60 62 62 63 65 68 67 66 67 69 68
RH            81 81 46 58 78 84 49 62 81 93 67 81 90100 69 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR            0       0       5      20      50      70      50      50
RAIN SHWRS                         IS SC SC SC NM SC IS IS SC
TSTMS                              IS          SC IS       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