ISSUED FIRE WEATHER PLANNING FORECAST
This forecast is valid for the following county: SEQUOYAH
DISCUSSION:
UNSEASONABLY WARM AND HUMID CONDITIONS WILL CONTINUETHURSDAY THROUGH FRIDAY...WITH A STRONG COLD FRONT PASSINGTHROUGH THE REGION FRIDAY NIGHT. WIDESPREAD SHOWERS ANDTHUNDERSTORMS ARE EXPECTED WITH THE FRONTAL PASSAGE.MUCH COOLER AND BREEZY CONDITIONS ARE EXPECTED OVER THEWEEKEND.
| Today | |
| 12 Hour Probability of Precipitation = 10% |
| 12 Hour Precipitation Amount = 0 | |
|
|
Forecast Time | 9AM |
Noon | 3PM |
6PM |
|
Temperature (F) |
-99 | -99 |
82 | 80 |
|
Relative Humidity (%) |
-99 | -99 |
64 | 71 |
|
20 Foot Wind (MPH) |
N0 | N0 |
S8 | SE5 |
|
Mixing Height (ft) |
1900 | 4200 |
5900 | 4000 |
|
Transport Wind (mph) |
S13 | S21 |
S23 | S18 |
|
Ventilation Rate (m2/s) |
3365 | 12017 |
18489 | 9810 |
|
Category Day |
2 | 4 |
5 | 4 |
|
Spread Index |
19 | 19 |
19 | 19 |
|
Low-level Stability |
C | B |
B | C |
|
1700ft Mixing Ht Temp (F) |
71 | 71 |
71 | 71 |
|
Cloud cover |
-99 | BK |
BK | SC |
| | |
|
| Tonight | |
| 12 Hour Probability of Precipitation = 10% |
| 12 Hour Precipitation Amount = 0 | |
|
| Forecast Time |
9PM | Mid |
3AM | 6AM |
|
Temperature (F) |
76 | 73 |
71 | 70 |
|
Relative Humidity (%) |
73 | 78 |
84 | 73 |
|
20 Foot Wind (MPH) |
SE4 | SE4 |
SE4 | SE3 |
|
Mixing Height (ft) |
2300 | 600 |
400 | 300 |
|
Transport Wind (mph) |
S20 | SE16 |
SE7 | SE6 |
|
Ventilation Rate (m2/s)
| 6267 | 1308 |
381 | 245 |
|
Category Day |
3 | 1 |
1 | 1 |
|
Spread Index |
19 | 19 |
19 | 19 |
|
Low-level Stability |
F | F |
F | F |
|
1700ft Mixing Ht Temp (F) |
76 | 76 |
76 | 76 |
|
Cloud cover |
SC | SC |
BK | BK |
| | |
|
| Tomorrow | |
| 12 Hour Probability of Precipitation = 10% |
| 12 Hour Precipitation Amount = 0 | |
|
| Forecast Time |
9AM | Noon |
3PM | 6PM |
|
Temperature (F) |
75 | 81 |
85 | 82 |
|
Relative Humidity (%) |
73 | 64 |
54 | 60 |
|
20 Foot Wind (MPH) |
S8 | S11 |
S13 | S10 |
|
Mixing Height (ft) |
1000 | 4900 |
6600 | 5900 |
|
Transport Wind (mph) |
S18 | S23 |
S23 | S26 |
|
Ventilation Rate (m2/s) |
2452 | 15355 |
20682 | 20900 |
|
Category Day |
2 | 4 |
5 | 5 |
|
Spread Index |
30 | 30 |
30 | 30 |
|
Low-level Stability |
D | B |
B | E |
|
1700ft Mixing Ht Temp (F) |
76 | 76 |
76 | 76 |
|
Cloud cover |
BK | BK |
SC | SC |
| | |
|
|
DAY 3 THROUGH 7 FORECAST |
.SATURDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 10 MPH. CATEGORY DAY INDEX 5. .SUNDAY...MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH. CATEGORY DAY INDEX 4. .MONDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID 70S. SOUTH WINDS UP TO 5 MPH. CATEGORY DAY INDEX 3. .TUESDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. CATEGORY DAY INDEX 3. .WEDNESDAY...MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH. CATEGORY DAY INDEX 4.
|