ISSUED FIRE WEATHER PLANNING FORECAST
This forecast is valid for the following county: OTTAWA
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) |
33 | 50 |
58 | 56 |
|
Relative Humidity (%) |
69 | 40 |
32 | 38 |
|
20 Foot Wind (MPH) |
S8 | S13 |
S14 | S13 |
|
Mixing Height (ft) |
600 | 3600 |
4200 | 3300 |
|
Transport Wind (mph) |
S20 | SW26 |
SW26 | S32 |
|
Ventilation Rate (m2/s) |
1635 | 12753 |
14878 | 14388 |
|
Category Day |
1 | 4 |
4 | 4 |
|
Spread Index |
43 | 43 |
43 | 43 |
|
Low-level Stability |
C | C |
C | F |
|
1700ft Mixing Ht Temp (F) |
43 | 43 |
43 | 47 |
|
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) |
50 | 47 |
46 | 44 |
|
Relative Humidity (%) |
51 | 60 |
76 | 68 |
|
20 Foot Wind (MPH) |
S15 | S17 |
S15 | S13 |
|
Mixing Height (ft) |
2000 | 600 |
300 | 100 |
|
Transport Wind (mph) |
S36 | SE28 |
SE15 | SE14 |
|
Ventilation Rate (m2/s)
| 9810 | 2289 |
613 | 191 |
|
Category Day |
4 | 2 |
1 | 1 |
|
Spread Index |
43 | 43 |
43 | 44 |
|
Low-level Stability |
F | F |
F | F |
|
1700ft Mixing Ht Temp (F) |
47 | 47 |
47 | 54 |
|
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) |
50 | 62 |
67 | 63 |
|
Relative Humidity (%) |
68 | 46 |
35 | 39 |
|
20 Foot Wind (MPH) |
S14 | SW12 |
SW8 | NW9 |
|
Mixing Height (ft) |
600 | 3500 |
4800 | 400 |
|
Transport Wind (mph) |
S22 | SW21 |
SW16 | NW12 |
|
Ventilation Rate (m2/s) |
1798 | 10014 |
10464 | 654 |
|
Category Day |
1 | 4 |
4 | 1 |
|
Spread Index |
44 | 44 |
44 | 44 |
|
Low-level Stability |
D | C |
C | F |
|
1700ft Mixing Ht Temp (F) |
54 | 54 |
54 | 58 |
|
Cloud cover |
SC | SC |
SC | SC |
| | |
|
|
DAY 3 THROUGH 7 FORECAST |
.TUESDAY...PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. LIGHT WINDS.
CATEGORY DAY INDEX 3.
.WEDNESDAY...CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S.
NORTH WINDS UP TO 10 MPH. CATEGORY DAY INDEX 2.
.THURSDAY...MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 20S. HIGHS
AROUND 60. SOUTH WINDS UP TO 10 MPH. CATEGORY DAY INDEX 1.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTH WINDS UP TO 10 MPH. CATEGORY DAY INDEX 2.
.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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