Harmattan Dust Season Lookup
Caller location/year independently verified dust-season notice, not current air quality. Exact independently verified location/jurisdiction/method/edition reference key, not a live database. Caller independently establishes matching units, evidence, method edition and applicability; output is not compliance, diagnosis, work-safety approval, geological identity or validated hazard prediction.
Description
Harmattan season descriptions concern regional dry and dusty airflow in a particular place and period.
Harmattan season descriptions concern regional dry and dusty airflow in a particular place and period.1
A dated local reference is more informative than one universal calendar window. The tool retrieves your supplied source-specific notice for one exact key; it contains no built-in or live reference database.
When to use Harmattan Dust Season Lookup
Use this tool to calculate or review the supplied observations under the stated rules. Establish the observation method, units, averaging period and applicable reference or calibration.
How to use Harmattan Dust Season Lookup and understand its results
- Establish the observation method, units, averaging period and applicable reference or calibration.
- Enter callerVerifiedHarmattanSeasonKeys, callerVerifiedHarmattanSeasonNotices, queryHarmattanSeasonKey, using the field meanings and rules below, then run the tool.
- Read matchedCallerNotice, using the output meanings and calculation rules below. Confirm that the exact matched record is the one whose source and context apply.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerVerifiedHarmattanSeasonKeys | Caller verified harmattan season keys | list of string | Required |
| callerVerifiedHarmattanSeasonNotices | Caller verified harmattan season notices | list of string | Required |
| queryHarmattanSeasonKey | Query harmattan season key; use the exact reference token or coordinate domain stated below | string | Required |
Supply nonempty aligned unique nonblank context keys and nonblank notices, then query one exact existing key. Matching is case-sensitive without trimming or normalization. Return its original notice unchanged; unknown keys fail. No data is fetched or independently verified.
notice=notices[indexOf(keys,exactQuery)] Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| matchedCallerNotice | Matched caller notice | string |
{
"input": {
"callerVerifiedHarmattanSeasonKeys": [
"site-a/edition-a",
"site-a/edition-b"
],
"callerVerifiedHarmattanSeasonNotices": [
"caller reference a",
"caller reference b"
],
"queryHarmattanSeasonKey": "site-a/edition-b"
},
"output": {
"matchedCallerNotice": "caller reference b"
}
}Limitations and assumptions
The observations and reference conditions must be independently established. This result does not supply missing measurements, uncertainty or an official warning. Reference records and their claimed verification are supplied by the caller; the tool does not retrieve or verify them.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Lists and matrices must be dense, without missing cells. Numeric lists allow at most 10000 entries; ordinary string lists allow at most 128 strings of 128 UTF-16 units each; numeric matrices allow at most 128 rows and 128 columns, subject to narrower requirements above.
Alternative or Complementary methods
For a related step, use Haboob Dust Wall Height Wind Lookup: A haboob is a dust-wall event whose height and wind observations depend on place, instrument and time. For a complementary comparison, use Air Mass Source Region Classifier: Air-mass source classifications depend on independently established source-region and thermodynamic evidence.
References
-
Harmattan Dust Season Lookup — tool.io
Similar or alternative tools
- Haboob Dust Wall Height Wind Lookup
A haboob is a dust-wall event whose height and wind observations depend on place, instrument and time.
- Air Mass Source Region Classifier
Air-mass source classifications depend on independently established source-region and thermodynamic evidence.