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Output from uspest.org/wea invasive insect degree-day/phenology model program:
Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================
Model species/general links: spotted wing Drosoph overwint mortal [fruit]
Type: invasive insect
Model source/other links: OSU OIPMC model analysis
Calculation method: heating (power), chilling
Lower threshold: 53 degrees Fahrenheit
Upper threshold: 120 degrees Fahrenheit
Directions for starting/BIOFIX: calendar date
Starting/BIOFIX date: 11 15
Ending date: 12 0
Model validation status: under development - use with caution
Region of known use: potential for use in US
==============================EVENTS TABLE================================
1. 100 Chilling DDs after Nov 15: Urban places: 15.8%, open fields: 39% mortality
2. 300 Chilling DDs after Nov 15: 53% (urban) to 82% (open)
3. 500 Chilling DDs after Nov 15: 74% (urban) to 95% (open)
4. 750 Chilling DDs after Nov 15: 87% (urban) to 98.9% (open)
5. 1000 Chilling DDs after Nov 15: 94% (urban) to 99.8% (open)
6. 1250 Chilling DDs after Nov 15: 97% (urban) to 99.95% (open)
7. 1500 Chilling DDs after Nov 15: 98.6% (urban) to 99.99% (open)
8. 1750 Chilling DDs after Nov 15: 99.3% (urban) to 99.998% or 2 out of 100,000 survive (open)
9. 2000 Chilling DDs after Nov 15: 99.7% (urban) to 99.9995% or 5 out of 1 million survive (open)
10. 2500 Chilling DDs after Nov 15: 99.92% (urban) to 99.99998% or 2 out of 10 million survive (open)
==============================MODEL OUTPUT================================
Weather station: 2016 KSAD METAR Safford Muni Apt AZ Lat:32.8569 Long:-109.6356 Elev:3176
mn day max min precip DD53 CUMDD53 event
-- --- ----- ----- ------ ---- ------- -------
11 15 79.00 39.20 0.00 0.00 0.0 * START *
11 16 78.80 44.10 0.01 0.00 0.0
11 17 70.00 42.80 0.00 0.00 0.0
11 18 69.80 30.90 0.01 2.65 2.7
11 19 69.80 46.00 0.00 0.00 2.7
11 20 70.00 50.00 0.01 0.00 2.7
11 21 72.00 50.00 0.08 0.00 2.7
11 22 64.90 39.00 0.01 1.05 3.7
11 23 69.80 41.00 0.03 0.00 3.7
11 24 70.00 35.10 0.00 0.45 4.2
11 25 69.80 42.10 0.00 0.00 4.2
11 26 64.90 46.00 0.10 0.00 4.2
11 27 66.20 44.10 0.06 0.00 4.2
11 28 52.00 39.00 0.01 7.50 11.7
11 29 54.00 28.90 0.14 11.55 23.2
11 30 55.90 24.10 0.02 13.00 36.2
Forecast using: 1910 KSAD PRISM_rev1_4km 2006-2015 AVERAGES Lat32.8569 Long-109.6356 DD50
spotted wing Drosoph overwint mortal model - OSU OIPMC model analysisLocation: 2016 KSAD Safford Muni Apt 1910 KSAD PRISM_rev1_4km 2006-2015 AVERAGES Date | DDs | Event |
1-11-16 | 112 | Urban places: 15.8%, open fields: 39% mortality |
2-4-16 | 302 | 53% (urban) to 82% (open) |