Data health

Storm Mode / Observations

Station and river observations

METAR/SPECI uses the existing AviationWeather.gov bulk cache over the lower 48 and its margin. NWPS retains only gauges in the existing action-stage-or-above observed list; forecast-only gauges can have no observation. Absence never establishes zero wind, low water, or safe conditions.

Water-level gauge CHRA2

unavailable · No observation in the latest cached source list. Retained readings below are historical; an absent gauge may have fallen below action stage or stopped reporting.

River gauge · Arctic Blvd · Chester Creek · -149.897483, 61.204726. Units ft; datum not supplied.

Source checked 2026-10-20 14:25:05.159Z · current.

Stage in this gauge’s units, not a regional flood depth. Tide/lake gauges remain water levels; datum is not supplied by this feed. Historical observations and the latest forecast keep separate times.

Retained observations: 7; target 24 hours, at most 96 reports per station. Recording began 2026-10-17 06:15:05.234Z; oldest available reading 2026-10-19 14:30:00 UTC.

Observed stage and separate NWS forecast at CHRA2 (ft)Dots are retained observations. Lines break for missing fields, long intervals or changed station location or units. 1 recorded discontinuities. Dashed lines, when present, are the separately issued NWS forecast.4.42.3ft10-19 14:30Z10-20 10:00Z2026-10-19 14:30:00 UTC · 3.3 ft2026-10-19 15:00:00 UTC · 3.36 ft2026-10-19 15:15:00 UTC · 3.39 ft2026-10-19 15:30:00 UTC · 3.39 ft2026-10-19 16:00:00 UTC · 3.35 ft2026-10-19 16:15:00 UTC · 3.32 ft2026-10-20 10:00:00 UTC · 3.3 ft
Observed stage and separate NWS forecast · 7 retained observations; 1 discontinuities. Lines join reported values only; missing intervals are not interpolated.

NWS forecast · current

Highest listed forecast: 3.56 ft at 2026-10-21 03:00:00 UTC; issued 2026-10-19 22:18:00 UTC. Action stage.

Impacts and the full forecast are read for gauges in flood; this one is at action stage.

Gauge thresholds: action 3.3 ft; minor 4 ft; moderate 5 ft; major 6 ft.

Observed reports as a table (7)
Observed (UTC)Stage / unitsSource category / water
2026-10-19 14:30:00 UTC3.3 ftAction stage · River gauge
2026-10-19 15:00:00 UTC3.36 ftAction stage · River gauge
2026-10-19 15:15:00 UTC3.39 ftAction stage · River gauge
2026-10-19 15:30:00 UTC3.39 ftAction stage · River gauge
2026-10-19 16:00:00 UTC3.35 ftAction stage · River gauge
2026-10-19 16:15:00 UTC3.32 ftAction stage · River gauge
2026-10-20 10:00:00 UTC3.3 ftAction stage · River gauge
Capture times, quality and provenance

Each report keeps its observation time, first capture of this version, and the SHA-256 of the source bulk body. Corrections at the same observation time replace that point and are marked; unrelated bulk-file changes do not freshen a report.

  • Observed 2026-10-19 14:30:00 UTC, captured 2026-10-19 15:25:07.120Z; source body SHA-256 4ffbc01afc961d8352bb8d4b996d025813c88f920aba431e47fb8afda2f6e9f0.
  • Observed 2026-10-19 15:00:00 UTC, captured 2026-10-19 15:45:06.605Z; source body SHA-256 aef039a0415ed5ecc19c2e1785706d386148ce29401afc552ced4c5ddd4d3eac.
  • Observed 2026-10-19 15:15:00 UTC, captured 2026-10-19 16:15:08.525Z; source body SHA-256 8a60f713a7474774f0db68e898d26ccbed373f2ef8dae5d397da56244b9aa403.
  • Observed 2026-10-19 15:30:00 UTC, captured 2026-10-19 16:25:06.474Z; source body SHA-256 c163ba05c6539dac508d3409da45372734b6fa61e221b099f9a87bd743604782.
  • Observed 2026-10-19 16:00:00 UTC, captured 2026-10-19 16:55:13.686Z; source body SHA-256 7c8e39dcebac254338a418dd2587c6e523dfd08678fb6b64f7151c67dca5f223.
  • Observed 2026-10-19 16:15:00 UTC, captured 2026-10-19 17:05:05.895Z; source body SHA-256 49b806c5a6a626d0f701a3811609d69f8d157ebcd928da10e04609d6657857b9.
  • Observed 2026-10-20 10:00:00 UTC, captured 2026-10-20 10:55:06.583Z; source body SHA-256 b432107a6d5badfc9f3ae7c5816b64dfcd43876bb91b5b1b5509da9939542079.

Only observed gauge records enter this history. Forecast maxima and forecast hydrograph points never become observations. A missing datum or unsupported flow value remains unknown.

Observation source page · Cached readings as JSON · Official source

Gauges in the latest cached source

142 total · source current; checked . Showing 100 on page 1. 0 suspect gauge readings set aside.

Source status · Storm Mode