Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 AM EST Tue Mar 3 2026
VAZ046-040900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
202 AM EST Tue Mar 3 2026
Date 03/02/26 Tue 03/03/26 Wed 03/04/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 32 55 48 73 54
TEMP 35 35 38 45 51 53 52 52 50 50 59 69 72 66 60 58 56 55
DEWPT 32 34 37 41 44 45 47 47 47 47 51 53 54 53 53 52 52 52
MIN/MAX RH 92 69 91 52 91
RH 89 96 96 86 77 74 83 83 89 89 75 57 53 63 78 80 86 90
WIND DIR NE E SW SW S S SW SW SW SW SW SW SW S S SW SW SW
WIND SPD 2 2 2 5 6 5 6 6 6 5 5 5 4 3 4 4 4 5
WIND GUST 17 18
CLOUDS OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1
CLOUDS(%) 95 94 91 81 77 82 66 58 62 61 66 51 65 69 70 60 55 67
VSBY 4 3 6 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10
POP 12HR 70 20 20 20 10
RAIN S S S S S S S S S
Obvis PF PF PF
MIX HGT <1 <1 <1 1 2 <1 <1 <1 <1 <1 <1 3 3 <1 <1 <1 <1 <1
T WIND DIR NE N S SW S SW SW SW SW SW SW W SW S S SW SW SW
T WIND SPD 4 2 1 4 9 11 8 14 12 5 8 8 9 4 5 5 6 5
DISPERSION VP PR PR PR PR VP VP VP VP
ADI 2 2 1 7 19 8 5 10 8 6 9 29 21 2 4 4 5 6
MAX LVORI 5 7 7 4 3 4 4 4 5 5 3 2 2 3 4 5 5 5
STABILITY F C C D D E E E E D D B D F E E E D
CEILING 700 1000 600 600 600 12300 4200 19100
STA PRES 29.71 29.60 29.57 29.54 29.54 29.48 29.49 29.48
Date 03/05Fri 03/06/26Sat 03/07/26Sun 03/08/26Mon 03/09/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 77 59 80 59 79 62 76 60 76
TEMP 75 71 63 59 78 73 64 60 76 74 67 62 75 68 64 60 73 70
DEWPT 57 54 54 55 58 56 55 55 59 56 57 57 56 55 56 56 56 52
RH 54 55 72 87 50 55 73 84 56 53 70 84 52 63 75 87 55 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC B1 SC FW SC FW SC SC B1 B1 B1 B2 B1 B1 B2 B2 B2
POP 12HR 10 10 10 5 30 30 50 40 40
RAIN SHWRS SC SC IS SC SC SC SC SC
TSTMS 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