ISSUED FIRE WEATHER PLANNING FORECAST
This forecast is valid for the following county: SEBASTIAN
DISCUSSION:
THE FIRE DANGER THREAT WILL BEGIN TO INCREASE TODAY AS MILDAND BREEZY CONDITIONS DEVELOP BY EARLY AFTERNOON. A STRONG COLDFRONT WILL MOVE INTO THE AREA ON MONDAY. SOUTH OF THE BOUNDARY...AN ELEVATED FIRE DANGER THREAT WILL CONTINUE MONDAY AFTERNOONACROSS SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS WITHWARM...DRY...BREEZY CONDITIONS.
| Today | |
| 12 Hour Probability of Precipitation = 10% |
| 12 Hour Precipitation Amount = 0 | |
|
|
Forecast Time | 9AM |
Noon | 3PM |
6PM |
|
Temperature (F) |
34 | 51 |
59 | 57 |
|
Relative Humidity (%) |
63 | 34 |
28 | 34 |
|
20 Foot Wind (MPH) |
S7 | S9 |
S12 | S10 |
|
Mixing Height (ft) |
700 | 3800 |
4300 | 3400 |
|
Transport Wind (mph) |
S14 | SW20 |
SW22 | S30 |
|
Ventilation Rate (m2/s) |
1335 | 10355 |
12889 | 13897 |
|
Category Day |
1 | 4 |
4 | 4 |
|
Spread Index |
49 | 49 |
49 | 49 |
|
Low-level Stability |
C | B |
C | F |
|
1700ft Mixing Ht Temp (F) |
40 | 40 |
40 | 49 |
|
Cloud cover |
SC | SC |
SC | SC |
| | |
|
| Tonight | |
| 12 Hour Probability of Precipitation = 5% |
| 12 Hour Precipitation Amount = 0 | |
|
| Forecast Time |
9PM | Mid |
3AM | 6AM |
|
Temperature (F) |
51 | 48 |
46 | 45 |
|
Relative Humidity (%) |
46 | 58 |
76 | 65 |
|
20 Foot Wind (MPH) |
S13 | S14 |
S14 | S14 |
|
Mixing Height (ft) |
2100 | 700 |
400 | 200 |
|
Transport Wind (mph) |
S32 | SE23 |
SE13 | SE12 |
|
Ventilation Rate (m2/s)
| 9156 | 2194 |
708 | 327 |
|
Category Day |
4 | 2 |
1 | 1 |
|
Spread Index |
49 | 49 |
49 | 50 |
|
Low-level Stability |
F | F |
F | F |
|
1700ft Mixing Ht Temp (F) |
49 | 49 |
49 | 53 |
|
Cloud cover |
SC | SC |
SC | SC |
| | |
|
| Tomorrow | |
| 12 Hour Probability of Precipitation = 5% |
| 12 Hour Precipitation Amount = 0 | |
|
| Forecast Time |
9AM | Noon |
3PM | 6PM |
|
Temperature (F) |
52 | 64 |
71 | 66 |
|
Relative Humidity (%) |
65 | 48 |
35 | 38 |
|
20 Foot Wind (MPH) |
S14 | SW14 |
SW12 | SW5 |
|
Mixing Height (ft) |
800 | 4000 |
5400 | 500 |
|
Transport Wind (mph) |
S23 | SW29 |
SW28 | W7 |
|
Ventilation Rate (m2/s) |
2507 | 15804 |
20600 | 477 |
|
Category Day |
2 | 4 |
5 | 1 |
|
Spread Index |
50 | 50 |
50 | 50 |
|
Low-level Stability |
D | C |
C | F |
|
1700ft Mixing Ht Temp (F) |
53 | 53 |
53 | 62 |
|
Cloud cover |
SC | SC |
SC | SC |
| | |
|
|
DAY 3 THROUGH 7 FORECAST |
.TUESDAY...PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS.
LOWS AROUND 40. HIGHS IN THE MID 50S. SOUTH WINDS AROUND 5 MPH.
CATEGORY DAY INDEX 3.
.WEDNESDAY...CLEAR. LOWS AROUND 30. HIGHS IN THE LOWER 50S. NORTH
WINDS UP TO 5 MPH. CATEGORY DAY INDEX 2.
.THURSDAY...MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 50S.
SOUTH WINDS UP TO 5 MPH. CATEGORY DAY INDEX 1.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTH WINDS UP TO 5 MPH. CATEGORY DAY INDEX 1.
.SATURDAY...MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 40S. HIGHS IN THE MID 60S. SOUTH WINDS UP TO
5 MPH. CATEGORY DAY INDEX 1.
|
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