Poppy of Remembrance ANZAC DAY - 25/04/2016
They shall grow not old, as we that are left grow old
Age shall not weary them, nor the years condemn.
At the going down of the sun and in the morning, We will remember them.
A very early Good Morning - Today is: Wednesday, 25 April 2018 02:17:44 NZST
Current: 11.0°C, Max: 11.5°C, Min: 10.6°C
FORECAST: Partly cloudy skies. High 18C. Winds NNW at 15 to 25 km/h.
Last weather station contact: Wednesday, 25 April 2018 at 02:17:01. Updated in seconds
Station Forecast: Fairly fine, improving | Sunrise: 06:56 | Sunset: 17:35 | Dawn: 06:28 | Dusk: 18:02
Weather Forecast
Temperature : Current trend is Falling, changing by -0.1 °C/hr  11.0°C, 91%   Pressure : Current trend is Rising slowly, changing by 0.14 hPa/hr  1018.63hPa
Based upon today's weather there is a Low Fire Danger (restrictions may apply)
Fire Danger
Wind Speed :  NNE  Current wind speed is Light air (F1) from NNE (24°) 3.6km/h   Wind Gust : Current trend is Steady 7.9km/h
Air Quality :  65 AQI  19ug/m3   Rainfall : Current trend is Steady 0.0mm
Sun Light : 0Lux, 0.0hrs   Solar UV :  0.0UVI  0W/m2
It feels like 10.3°C. Three clothing layers recommended.There will be 2min 23s less daylight tomorrow.

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Manawatū Fire Danger Risk Rating
Based upon today's weather there is a Low Fire Danger (restrictions may apply)
The fire danger information displayed on this page is updated daily at 12:00pm and is based upon the current weather at this time. Therefore the readings may be higher or lower than the overall fire danger in the Manawatū/Wanganui region. Check with your local council for the latest permits and information before lighting any fires. More information at National Rural Fire Authority.
Click here to find out more information on what the data, abbreviations and graphs represent

Last update: 24/04/2018 12:00:52 PM
Station: City Centre, Palmerston North, New Zealand
Drought Days: 0 days Rain Days: 1 days (0.40mm)
Current Readings
Last update: 24/04/2018 12:00:52 PM
FWIFF DCSF DCGF DCCBI DCCBIBUIISIDCDMCFFMCTempHumWindRain
3.4 LW EX LW LW 0.0 13 2.8 194 7 82.3 15.1 82 13.0 0.40

DateTemp
ºC
Wind Spd
kmph
Rainfall
mm
FFMCDMCDCISIBUIFWIFWI DCFFDCSFDCGFDC
24/04/201815.113.00.4082.371942.8133.4LWLWEXLW
23/04/201814.813.70.0083.971903.6134.4LWLWEXLW
22/04/201816.75.80.0085.161872.8113.1LWLWEXLW
21/04/201816.326.00.4082.351835.495.6LWLWEXLW
20/04/201817.933.20.2082.141797.687.2LWMDEXLW
19/04/201816.723.10.2076.131762.661.8LWLWEXLW
18/04/201814.19.43.6058.721720.650.2LWLWHILW
17/04/201821.415.10.2067.631741.260.6LWLWHILW
16/04/201816.08.712.0031.421690.040.0LWLWLWLW
15/04/201817.420.90.0077.641922.682.2LWLWEXLW
14/04/201814.116.62.0061.531891.060.5LWLWHILW
13/04/201815.18.78.4050.441850.370.1LWLWMDLW
12/04/201813.912.30.6055.462000.5100.3LWLWHILW
11/04/20189.810.18.6026.951970.090.0LWLWLWLW
10/04/20187.76.538.6018.992140.0160.0LWLWLWLW
9/04/201818.720.91.0081.3253303.7429.4MDMDEXLW
8/04/201819.46.50.0084.7243262.8417.2LWMDEXLW
7/04/201818.712.30.6080.8233222.3395.8LWMDEXLW
6/04/201820.823.80.0087.2223189.53818.6HIHIEXLW
5/04/201823.33.60.0087.2213143.4357.9LWMDEXLW
4/04/201820.531.00.0085.81930911.23219.4HIHIEXLW
3/04/201820.816.60.0085.8173045.43010.6MDMDEXLW
2/04/201818.814.40.0086.9163005.62810.6MDMDEXLW
1/04/201821.011.50.0086.9152964.9269.0MDMDEXLW
31/03/201819.817.30.0083.4132914.0237.0LWMDEXLW
30/03/201820.82.90.0080.6112861.4211.9LWLWVHLW
29/03/201819.918.01.8073.4102811.8182.5LWLWVHLW
28/03/201817.25.01.0072.4102750.9190.8LWLWHILW
27/03/201823.95.00.0082.9102702.0182.9LWLWVHLW
26/03/201819.713.70.0076.082641.6151.8LWLWVHLW

CBI vs FWI Graph
TEMP vs FWI Graph
RAIN vs FWI Graph
BUI vs FWI Graph
DC vs FWI Graph
FFMC vs FWI Graph
ISI vs FWI Graph


Explanation of Fire Weather Index Indices


Red Hashed Area The red hashed area indicates the Fire Danger high extreme band.

FFMC (Fine Fuel Moisture Code) This is a numerical rating of the moisture content of surface litter and other cured fine fuels. It shows the relative ease of ignition and flammability of fine fuels. The moisture content of fine fuels is very sensitive to the weather. Even a day of rain, or of fine and windy weather, will significantly affect the FFMC rating. The system uses a time lag of two-thirds of a day to accurately measure the moisture content in fine fuels. The FFMC rating is on a scale of 0 to 99. Any figure above 70 is high, and above 90 is extreme.

DMC (Duff Moisture Code) DMC is a numerical rating of the average moisture content of loosely compacted organic layers of moderate depth. The code indicates the depth that fire will burn in moderate duff layers and medium size woody material. Duff layers take longer than surface fuels to dry out but weather conditions over the past couple of weeks will significantly affect the DMC. The system applies a time lag of 12 days to calculate the DMC. A DMC rating of more than 30 is dry, and above 40 indicates that intensive burning will occur in the duff and medium fuels. Burning off operations should not be carried out when the DMC rating is above 40.

DC (Drought Code) The DC is a numerical rating of the moisture content of deep, compact, organic layers. It is a useful indicator of seasonal drought and shows the likelihood of fire involving the deep duff layers and large logs. A long period of dry weather (the system uses 52 days) is needed to dry out these fuels and affect the Drought Code. A DC rating of 200 is high, and 300 or more is extreme indicating that fire will involve deep sub-surface and heavy fuels. Burning off should not be permitted when the DC rating is above 300.

ISI: (Initial Spread Index) This indicates the rate fire will spread in its early stages. It is calculated from the FFMC rating and the wind factor.
The open-ended ISI scale starts at zero and a rating of 10 indicates high rate of spread shortly after ignition. A rating of 16 or more indicates extremely rapid rate of spread.

BUI (Build Up Index) This index shows the amount of fuel available for combustion, indicating how the fire will develop after initial spread. It is calculated from the Duff Moisture Code and the Drought Code.
The BUI scale starts at zero and is open-ended. A rating above 40 is high, above 60 is extreme.

FWI (Fire Weather Index) Information from the ISI and BUI is combined to provide a numerical rating of fire intensity - the Fire Weather Index. The FWI indicates the likely intensity of a fire.
The FWI is divided into four fire danger classes:
Low 0 - 7 Moderate 8 - 16 High l7 - 31 Extreme 32+

FFDC (Forest Fire Danger Code) Based on predicted generated "fire intensity (kw/m²)" in forest type vegetation (pine, beech). This code denotes how difficult it would be to control a fire in this vegetation type should one start. (Low, Moderate, High, Very High, Extreme)

SFDC (Scrub Fire Danger Code) Based on predicted generated "fire intensity (kw/m²)" in scrub type vegetation (manuka, gorse, broom). This code denotes how difficult it would be to control a fire in this vegetation type should one start. (Low, Moderate, High, Very High, Extreme)

GFDC (Grass Fire Danger Code) Based on predicted generated "fire intensity (kw/m²)" in grass type vegetation (dry grass, tussock). This code denotes how difficult it would be to control a fire in this vegetation type should one start. (Low, Moderate, High, Very High, Extreme)

CBI (Chandler Burning Index) The Chandler Burning Index is a Fire Rating System primarily used in North America. The Chandler Burning Index (CBI) uses the air temperature and relative humidity to calculate a numerical index of fire danger. That number is then equated to the Fire Danger severity of either extreme, very high, high, moderate, or low. It's based solely on weather conditions, with no adjustment for fuel moisture.