Buffalo River Dashboard

Section C — pre-QPE era (2014-11-01 → 2015-01-31): 3 storm excursions

USGS discharge only. Newest first.

Storm onset (CT)	Peak stage	Start cfs	Peak cfs	Span (d)
2015-01-02 21:00 CST	Flood	92	2,852	6.8
2014-12-18 00:00 CST	Moderate	68	373	3.7
2014-12-15 11:00 CST	Moderate	53	336	1.6

2015-01-02 21:00 CST · peak Flood 2,852 cfs · 4 dwells

Onset (rise crosses 200 cfs)Fri 2015-01-02 21:00 CST

Peak2015-01-03 09:00 CST — 2,852 cfs (Flood)

Highest sustained stage (≥4 h dwell)Flood

Total excursion span162 h (6.8 days)

Baseline flow (min, 72 h pre-onset)92 cfs

Qualifying stage dwells (≥4 h), in order — rising then falling:

Stage	Pass	Start (CT)	End (CT)	Duration	Peak cfs
Moderate	rising	2015-01-02 21:00	2015-01-03 04:00	8 h	703
Flood	peak	2015-01-03 06:00	2015-01-03 15:00	10 h	2,852
High	falling	2015-01-03 16:00	2015-01-04 04:00	13 h	1,558
Moderate	falling	2015-01-04 05:00	2015-01-09 14:00	130 h (5.4 d)	882

Originating rainfall — area-weighted over the 4 HUC12s above Ponca (inches):

MRMS QPE not usable for this excursion (pre-Feb-2015 radar spin-up). USGS flow is the only quantitative context.

Pre-onset flow (USGS discharge / stage):

Lookback	Time (CT)	Flow (cfs)	Stage (ft)
−1 h	2015-01-02 20:00	192	2.60
−3 h	2015-01-02 18:00	160	2.48
−6 h	2015-01-02 15:00	132	2.36
−12 h	2015-01-02 09:00	106	2.25
−24 h	2015-01-01 21:00	94	2.19
−48 h	2014-12-31 21:00	95	2.19
−72 h	2014-12-30 21:00	103	2.23

2014-12-18 00:00 CST · peak Moderate 373 cfs · 1 dwells

Onset (rise crosses 200 cfs)Thu 2014-12-18 00:00 CST

Peak2014-12-18 10:00 CST — 373 cfs (Moderate)

Highest sustained stage (≥4 h dwell)Moderate

Total excursion span88 h (3.7 days)

Baseline flow (min, 72 h pre-onset)68 cfs

Qualifying stage dwells (≥4 h), in order — rising then falling:

Stage	Pass	Start (CT)	End (CT)	Duration	Peak cfs
Moderate	peak	2014-12-18 00:00	2014-12-21 15:00	88 h (3.7 d)	373

Originating rainfall — area-weighted over the 4 HUC12s above Ponca (inches):

MRMS QPE not usable for this excursion (pre-Feb-2015 radar spin-up). USGS flow is the only quantitative context.

Pre-onset flow (USGS discharge / stage):

Lookback	Time (CT)	Flow (cfs)	Stage (ft)
−1 h	2014-12-17 23:00	199	2.63
−3 h	2014-12-17 21:00	190	2.59
−6 h	2014-12-17 18:00	181	2.56
−12 h	2014-12-17 12:00	186	2.58
−24 h	2014-12-17 00:00	201	2.63
−48 h	2014-12-16 00:00	284	2.92
−72 h	2014-12-15 00:00	63	2.02

2014-12-15 11:00 CST · peak Moderate 336 cfs · 1 dwells

Onset (rise crosses 200 cfs)Mon 2014-12-15 11:00 CST

Peak2014-12-15 15:00 CST — 336 cfs (Moderate)

Highest sustained stage (≥4 h dwell)Moderate

Total excursion span39 h (1.6 days)

Baseline flow (min, 72 h pre-onset)53 cfs

Qualifying stage dwells (≥4 h), in order — rising then falling:

Stage	Pass	Start (CT)	End (CT)	Duration	Peak cfs
Moderate	peak	2014-12-15 11:00	2014-12-17 01:00	39 h	336

Originating rainfall — area-weighted over the 4 HUC12s above Ponca (inches):

MRMS QPE not usable for this excursion (pre-Feb-2015 radar spin-up). USGS flow is the only quantitative context.

Pre-onset flow (USGS discharge / stage):

Lookback	Time (CT)	Flow (cfs)	Stage (ft)
−1 h	2014-12-15 10:00	178	2.55
−3 h	2014-12-15 08:00	128	2.34
−6 h	2014-12-15 05:00	100	2.21
−12 h	2014-12-14 23:00	56	1.98
−24 h	2014-12-14 11:00	58	1.99
−48 h	2014-12-13 11:00	60	2.00
−72 h	2014-12-12 11:00	63	2.02

Ponca Gauge — Pre-QPE Excursions (USGS flow only)

Section C — pre-QPE era (2014-11-01 → 2015-01-31): 3 storm excursions

Qualifying stage dwells (≥4 h), in order — rising then falling:

Originating rainfall — area-weighted over the 4 HUC12s above Ponca (inches):

Pre-onset flow (USGS discharge / stage):

Qualifying stage dwells (≥4 h), in order — rising then falling:

Originating rainfall — area-weighted over the 4 HUC12s above Ponca (inches):

Pre-onset flow (USGS discharge / stage):

Qualifying stage dwells (≥4 h), in order — rising then falling:

Originating rainfall — area-weighted over the 4 HUC12s above Ponca (inches):

Pre-onset flow (USGS discharge / stage):