Nowagreen: Energy Conservation for mitigation of Global Warming

new metrics for Climate Change impact
content:
Discomfort Heat Index Intensity (DCI)
Strong Wind Intensity Indicator (SWII)
Weak Wind Stagnation Indicator (WWSI)


Discomfort Heat Index Intensity (DCI)

Discomfort Heat Index Intensity (DCI) measures cumulative yearly heat stress. It uses a baseline "Comfort Heat Index" (CHI) of 26.67°C (79.9°F), above which cooling is required.
The Heat Index (HI) is the temperature equivalent of discomfort caused by air temperature and humidity.
DCI is calculated as the positive difference between the Heat Index and CHI multiplied by the cumulative time during which the Heat Index exceeds the comfort threshold, and is expressed in deg;C•hr.

Discomfort Heat Index Intensity (DCI) was first introduced on 1 July 2026 in the publication
“Discomfort Heat Index Intensity in Miami, FL (1940–2025) v1.1.1 researchgate.net/publication/408307844”

Discomfort Heat Index Intensity (DCI) is a product of DC and DDC, expressed in degree-hours (°C•hr).

Formula: Discomfort Heat Index Intensity (DCI):

DCI = DC * DDC
HI = HI > CHI
DC = HI - CHI
CHI = 26.6°C

DCIannual Discomfort Heat Index Intensity, product of DC and DDC, degree-hours °C•hr
DCannual average Discomfort Heat Index – Heat Index above Comfort Heat Index CHI, °C
DDC    annual duration of Discomfort Heat Index, hr
HIactual Heat Index above CHI, °C
CHIComfort Heat Index, Heat Index that is comfortable enough and does not require cooling = 26.6°C (79.9°F)


Examples of publications applying the Discomfort Heat Index Intensity (DCI):
  • Discomfort Heat Index Intensity in Jerusalem 1940–2025 researchgate.net/publication/411129679
  • Discomfort Heat Index Intensity in Tel Aviv 1940–2025 researchgate.net/publication/411760787
  • Discomfort Heat Index Intensity in Boston, MA 1940–2025 researchgate.net/publication/411965683
  • Discomfort Heat Index Intensity in Richmond, VA 1940–2025 researchgate.net/publication/412046491
  • Discomfort Heat Index Intensity in Miami, FL (1940–2025) v1.1.1 researchgate.net/publication/408307844
  • Discomfort Heat Index Intensity in Miami, FL 1940–2025 v2.1.1 researchgate.net/publication/412069888



    Strong Wind Intensity Indicator (SWII)

    The “Strong Wind Intensity Indicator” (SWII) is a product of the strong wind above the specific threshold by its duration.
    SWII was first introduced on 6 June 2026 in the publication
    "Long-Term Changes in Strong Wind Duration and Intensity in Tel Aviv (1940–2025) researchgate.net/publication/406233244"

    Simplified formula of Strong Wind Intensity Indicator (SWII)

    SWII(TSW) = SW(TSW) * DSW(TSW)

    TSWStrong Wind Threshold, multi-threshold framework from 15 to 40 km/hr with 5km/hr stepping spectrum {15, 20, 25, 30, 35, and 40 km/hr}
    SWII(TSW)annual Strong Wind Intensity Indicator at selected threshold TSW, km/year
    SW(TSW) annual average wind speed in hours exceeding the TSW threshold, km/hr
    DSW(TSW)      annual cumulative duration when wind speed exceeded the TSW threshold, hr/year

    As the wind speed is in km/hour units and cumulative duration in hours/year, the SWII results in km/year.

    Publication applying the Strong Wind Intensity Indicator (SWII):
    Long-Term Changes in Strong Wind Duration and Intensity in Tel Aviv (1940–2025) researchgate.net/publication/406233244



    Weak Wind Stagnation Indicator (WWSI)

    Weak Wind Stagnation Indicator (WWSI) quantifies the cumulative annual wind stagnation during the summer. It is calculated as the product of the difference between the baseline weak wind speed and the mean summer weak wind speed over the cumulative seasonal time when wind speeds remain below the threshold.
    WWSI was first introduced on 14 June 2026 in the publication
    "Long-Term Changes in Summer Weak Wind Duration and Stagnation Indicators in Tel Aviv (1940–2025) researchgate.net/publication/407037281"

    Formula: Weak Wind Stagnation Indicator (WWSI)

    WWSI(TWW) = (WWBL - WWS(TWW)) * DWW(TWW)

    TWWWeak Wind Threshold, multi-threshold framework from 10 to 2 km/hr with -2 km/hr stepping spectrum {10, 8, 6, 4 and 2 km/hr}
    WWSI(TWW)      Weak Wind Stagnation Indicator, kilometer per summer
    WWBLWeak Wind Baseline = 10 km/hr
    WWS(TWW)Weak Wind Speed below TWW threshold, km/hr
    DWW(TWW) cumulative seasonal duration when wind speeds remain below the TWW threshold, hr/summer

    Publication applying the Weak Wind Stagnation Indicator (WWSI):
    Long-Term Changes in Summer Weak Wind Duration and Stagnation Indicators in Tel Aviv (1940–2025) researchgate.net/publication/407037281



    content:
    Discomfort Heat Index Intensity (DCI)
    Strong Wind Intensity Indicator (SWII)
    Weak Wind Stagnation Indicator (WWSI)

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