Live collection view

MRMS precipitation, as it arrives.

A public, read-only pulse of the radar-derived source records used by Water Wizard. Refreshes show new arrivals and changes without exposing station data or operator controls.

View JSON
Snapshot generated 2026-09-03 00:40:41 UTC
Live refresh is temporarily unavailable. The last successful snapshot remains visible.
Right now

Collection pulse

Refresh to compare changes
Latest valid time
Sep 2, 11:00 UTC
820 minutes behind wall clock
Source records
68,058
Zarr and GRIB records retained
Historical coverage
0.7%
67,934 of 9,503,402 expected times
Last database change
Sep 2, 13:11:31 UTC
Waiting for live refresh
Since your last refresh

What changed?

Establishing a comparison baseline
This browser remembers the latest public snapshot.
Zarr baseline GRIB baseline Latest-time baseline

The comparison is stored only in this browser session.

Acquisition mix

Zarr-first, GRIB-backed

Supported station slices prefer Zarr; GRIB remains the automatic fallback and source for other products.

Zarr-first
Zarr records
466
GRIB records
67,592
Per-product pulse

Latest arrivals

Updated automatically every 30 seconds
GaugeCorr_QPE_01H
Zarr-first
Latest valid time
Sep 2, 2026 11:00 UTC
Records
51,246
Baseline
MultiSensor_QPE_24H
GRIB
Latest valid time
Aug 2, 2026 20:00 UTC
Records
13,097
Baseline
PrecipRate
GRIB
Latest valid time
Jul 8, 2026 08:48 UTC
Records
63
Baseline
MESH
GRIB
Latest valid time
Jul 6, 2026 20:50 UTC
Records
33
Baseline
RotationTrack
GRIB
Latest valid time
Jul 6, 2026 20:48 UTC
Records
32
Baseline
AzShear
GRIB
Latest valid time
Jul 6, 2026 20:46 UTC
Records
30
Baseline
FlashRate
GRIB
Latest valid time
No records yet
Records
0
Baseline
RadarOnly_QPE_15M
GRIB
Latest valid time
Aug 2, 2026 20:15 UTC
Records
3,462
Baseline
VIL
GRIB
Latest valid time
Jun 25, 2026 11:00 UTC
Records
43
Baseline
MergedReflectivityQCComposite
GRIB
Latest valid time
Jun 26, 2026 09:00 UTC
Records
26
Baseline
EchoTop_18
GRIB
Latest valid time
Jun 26, 2026 09:00 UTC
Records
26
Baseline
Newest source records

Recent arrivals

GaugeCorr_QPE_01H
2026-09-02 11:00 UTC
ZARR
GaugeCorr_QPE_01H
2026-09-02 10:00 UTC
ZARR
GaugeCorr_QPE_01H
2026-09-02 09:00 UTC
ZARR
GaugeCorr_QPE_01H
2026-09-02 08:00 UTC
ZARR
GaugeCorr_QPE_01H
2026-09-02 07:00 UTC
ZARR
GaugeCorr_QPE_01H
2026-09-02 06:00 UTC
ZARR
GaugeCorr_QPE_01H
2026-09-02 05:00 UTC
ZARR
GaugeCorr_QPE_01H
2026-09-02 04:00 UTC
ZARR
Long-range context

Historical coverage

2019-09-06 23:10 UTC to 2026-08-09 21:59 UTC
0.7% complete
ProductTimelineAvailableCoverage
GaugeCorr_QPE_01H 51,246 83.6%
MultiSensor_QPE_24H 13,097 21.4%
PrecipRate 63 0.0%
MESH 33 0.0%
RotationTrack 32 0.0%
AzShear 30 0.0%
FlashRate 0 0.0%
RadarOnly_QPE_15M 3,338 52.8%
VIL 43 0.1%
MergedReflectivityQCComposite 26 0.0%
EchoTop_18 26 0.0%