Select Map Area (1-10):
1 = Global Robinson Projection (adds 1 min)
2 = U.S./Canada
3 = Contiguous U.S.
4 = Alaska Indigenous names
5 = Alaska and NW Canada
6 = Canada
7 = Polar ( to 90) North Arctic Basin
8 = Europe
9 = Pacific Northwest
10 = U.S. Pacific Islands Wide Micronesia Samoa WMO Box
Hawaii (Main Islands) Hawaii (Extended) Labels
11 = Country, State, Province, or Box (all Plate Carree)
Hide Name Label
if "Box", hide outline
Countries (e.g., Country New Zealand)
States (e.g., State New York)
Canada provinces/territories (e.g., Canada Manitoba)
Box, N. Lat, S. Lat, W. Lon, E. Lon (Example: Box,45,25,-120,-50)
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Select Map Type (1-10):
MAP EXAMPLES PDF
1 = Ranks (since 1940)
2 = Departure From Normal (not clouds/wind)
3 = Below, Near, Above Normal (slower)
4 = Target Year Values (not wind)
5 = Normal Values (not wind)
6 = 50 or 75-Year trend (8-10 mins for new run)
7 = 50-Year ENSO Season Correlation (6-10 mins for new run)
8 = SPI (precip auto selected; 8-mins for new run)
9 = Composite ENSO or List of Years (6-mins for new run)
10 = Above\Below, Value = Map Normal
11 = Year of Max Value, 12= Year of Min Value
Ranks / trend start year
Note: For periods that wrap around New Year,
the start year should by the year at the start
of the period. For 1974-75 to 2023-24, (50 years),
enter 1974 here (end year should be most current year).
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Choose Map Theme (1-8):
Available themes: 1 = t2m, 2 = precip, 3 = snow, 4 = sst ,5 = dewpt,
6 = 925 mb u-wind, 7 = clouds, 8 = solar, 9 = wind, 10=slp, 11 = seaice,
12 = spi, 13 = RH, 14 = Apparent Temp, 15 = wet bulb 16 = 925 mb temp,
17 = 500 mb height, 18 = Outgoing Longwave, 19 = Precipitable Water
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Map Elements (Check top row for most N. American maps)
Lower 48 States
U.S. Counties
Canada Provinces
Major Rivers
U.S. Interstates
Gridlines
NWS WFOs
NPS Units
Climate Divs
EEZs
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Last month to start evaluation (e.g., 2 for Feb):
Number of months (up to 12) to evaluate (e.g., 3 for Dec-Feb):
Year of last month for assessment:
Note 1: Do not select a date in the future!
Note 2: Make sure that your period is not 1939-40. There is no 1939 data.
Note 3: Even when generating normals, make sure not to pick a date in the future.
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Values or Departure strip (1=Values, 2=Departure):
Show Values or Departure strip (1=Yes, 2=No):
Begin Climo
End Climo
Use Detrended Climatology
Central Longitude (Arctic Only)
(Used for Map Type options 2 and 3 above)
Color intensity (50% to 100%):
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ENSO Section Only
ONI Min
ONI Max
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ONI Last Month:
ONI Number of Months:
Use RONI :
[Use to select from a range of average ONI val; or enter list of years manually below. ONI Months must be part of analysis months above!]
OR List of years
Above/Below (1=Above/2=Below):
From Climo.
Use Detrended Climatology (ONI or list of years)
[Note 1: Only Used if Map Type is 9. Takes 6 mins for new query. Min of 4+ years and separated by commas has priority. For DJF use end year.]
[Note 2: For the count of years above the trendline, units are % avg for snow and precip and clouds. Specify units below for temp, dew pt, and wind.
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Units -> Metric or Imperial (1 = Metric, 2 = Imperial):
Temp/Wind Departure/Temp Trend Interval
(Makes 11 categories of Map Interval size.)
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For "Value" or "Normal" maps, change default values from 9999
to manually set map range. Choose values where the difference
is nicely divisible by 9. Recommend making a map using the
default option first to get an ide of the range.
Manual Min:
Manual Max:
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Dark Mode : Add Contours : Mask Water (not with Global option) : Mask Everything Outside of Shape :
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Data obtained from