ISSUED FIRE WEATHER PLANNING FORECAST
This forecast is valid for the following county: WASHINGTON_OK
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 = 5% |
| 12 Hour Precipitation Amount = | |
|
|
Forecast Time | 9AM |
Noon | 3PM |
6PM |
|
Temperature (F) |
35 | 52 |
60 | 57 |
|
Relative Humidity (%) |
72 | 42 |
34 | 41 |
|
20 Foot Wind (MPH) |
S12 | S14 |
S15 | S14 |
|
Mixing Height (ft) |
800 | 4000 |
4600 | 3600 |
|
Transport Wind (mph) |
S22 | SW30 |
SW30 | S36 |
|
Ventilation Rate (m2/s) |
2398 | 16349 |
18802 | 17657 |
|
Category Day |
2 | 5 |
5 | 5 |
|
Spread Index |
46 | 46 |
46 | 46 |
|
Low-level Stability |
C | C |
C | F |
|
1700ft Mixing Ht Temp (F) |
45 | 45 |
45 | 47 |
|
Cloud cover |
SC | SC |
SC | SC |
| | |
|
| Tonight | |
| 12 Hour Probability of Precipitation = 5% |
| 12 Hour Precipitation Amount = | |
|
| Forecast Time |
9PM | Mid |
3AM | 6AM |
|
Temperature (F) |
50 | 47 |
45 | 43 |
|
Relative Humidity (%) |
56 | 65 |
76 | 65 |
|
20 Foot Wind (MPH) |
S17 | S16 |
S14 | S9 |
|
Mixing Height (ft) |
2100 | 600 |
300 | 200 |
|
Transport Wind (mph) |
S38 | SE26 |
SE14 | SE12 |
|
Ventilation Rate (m2/s)
| 10872 | 2125 |
572 | 327 |
|
Category Day |
4 | 2 |
1 | 1 |
|
Spread Index |
46 | 46 |
46 | 49 |
|
Low-level Stability |
F | F |
F | F |
|
1700ft Mixing Ht Temp (F) |
47 | 47 |
47 | 51 |
|
Cloud cover |
SC | SC |
SC | SC |
| | |
|
| Tomorrow | |
| 12 Hour Probability of Precipitation = 5% |
| 12 Hour Precipitation Amount = | |
|
| Forecast Time |
9AM | Noon |
3PM | 6PM |
|
Temperature (F) |
49 | 60 |
65 | 61 |
|
Relative Humidity (%) |
65 | 43 |
35 | 39 |
|
20 Foot Wind (MPH) |
SW9 | W8 |
NW9 | N16 |
|
Mixing Height (ft) |
600 | 3300 |
4600 | 500 |
|
Transport Wind (mph) |
S14 | W12 |
NW14 | NW16 |
|
Ventilation Rate (m2/s) |
1144 | 5395 |
8774 | 1090 |
|
Category Day |
1 | 3 |
4 | 1 |
|
Spread Index |
49 | 49 |
49 | 49 |
|
Low-level Stability |
C | B |
C | F |
|
1700ft Mixing Ht Temp (F) |
51 | 51 |
51 | 57 |
|
Cloud cover |
SC | SC |
SC | SC |
| | |
|
|
DAY 3 THROUGH 7 FORECAST |
|
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