STORM MODEWeather tracking workspace

Tropical Depression Three-C

30 kt · 35 mph · 1006 hPa · ENE at 6 kt

Storm Mode · CPHC Advisory 1 ·

Latest published advisory

Weather Operations Mode
Layers
CPHC forecast for Tropical Depression Three-C, Advisory 1; rendered by MaverickWX
Published advisory track · Advisory 1

Observed imagery loads separately from the advisory. The base map is not observed satellite imagery.

The cone describes center uncertainty; impacts can extend outside it.

MaverickWX map · Data: NOAA/NHC · not an official graphic
Change time or forecast product

Recorded weather · gaps are marked. Coverage begins with recording activation.

Live sources keep independent clocks.

Replay coverage and interpretation

Rolling target: 24 hours; cells: six hours. Radar: NOAA MRMS national overview, 8-minute tolerance. Satellite: original GOES GeoColor day/night picture, hourly sampling, 75-minute tolerance. No interpolation or latest-image fallback. Warning and source checks retain their own clocks. “Recorded by” is collector acquisition evidence, not exact browser publication history.

Current GLM density, velocity and specialist layers are hidden during replay. Snow uses retained footprint metadata with unverified pixel time. Forecast uses one pinned issuance/run and exact valid time.

No observed replay frame displayed.

Open the complete replay reader (works without scripting or WebGL)

Choose Forecast for a pinned issuance and valid time.

Analysis

Area, source times and interpretation

Current cached context, independently dated. Regional products keep their published footprint; they are not clipped or attributed to one storm. This section remains separate from the historical replay cursor and official cyclone forecast. Use Forecast to pin a retained model package.

Soundings: what weather balloons measured

SPC’s skew-T diagram and hodograph of the sounding at Spokane, WA (OTX), 06Z. Its levels are in the table below.
Observed Sounding at Spokane, WA (OTX), for (11 h 37 min ago). SPC’s graphic; the values in its panels (CAPE, shear, the indices) are SPC’s computations from these levels. Data: NOAA/SPC.

A balloon launched about an hour before the time named, measuring as it rose and drifted with the wind: the atmosphere above one place, at one time. Model soundings, which are forecasts, are not shown here.

The levels this sounding was drawn from (52)
Spokane, WA (OTX): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
934 mb728 m4.4-0.4015° 3 kt
925 mb811 m8.40.4055° 3 kt
914 mb914 m8.1-1.4075° 6 kt
903 mb1010 m8.0-2.0—
886 mb1166 m6.8-2.2—
850 mb1506 m5.2-5.8165° 14 kt
839 mb1612 m4.4-6.6—
817 mb1829 m2.7-10.3185° 12 kt
794 mb2059 m2.6-21.4—
757 mb2438 m1.2-27.5210° 13 kt
741 mb2615 m0.6-30.4—
729 mb2743 m-0.2-18.4215° 14 kt
702 mb3048 m-2.2-12.2215° 16 kt
700 mb3069 m-2.3-12.3215° 16 kt
686 mb3229 m-3.1-15.1—
675 mb3353 m-3.1-16.7230° 12 kt
650 mb3658 m-4.8-13.1245° 16 kt
626 mb3950 m-6.5-8.8—
601 mb4267 m-8.6-11.7240° 21 kt
586 mb4462 m-10.1-12.4—
555 mb4877 m-12.1-17.6250° 26 kt
533 mb5182 m-13.6-21.4260° 36 kt
512 mb5486 m-15.9-22.4250° 44 kt
500 mb5670 m-17.3-23.3245° 45 kt
490 mb5821 m-18.3-24.3—
472 mb6096 m-20.5-25.6250° 49 kt
453 mb6401 m-22.9-27.0255° 49 kt
434 mb6706 m-25.3-28.4250° 47 kt
416 mb7010 m-27.7-29.9260° 48 kt
400 mb7300 m-29.9-32.1255° 46 kt
382 mb7620 m-32.6-35.4250° 48 kt
366 mb7925 m-35.1-38.5255° 49 kt
355 mb8139 m-36.9-40.7—
325 mb8743 m-42.3-45.5—
311 mb9039 m-44.3-47.8—
300 mb9280 m-46.1-49.4260° 59 kt
287 mb9572 m-48.7-51.8—
274 mb9873 m-51.5-54.6—
256 mb10309 m-54.5-57.7—
250 mb10460 m-54.7-58.1260° 69 kt
231 mb10961 m-58.3-61.7270° 70 kt
220 mb11278 m-59.8-63.4270° 70 kt
208 mb11616 m-60.5-64.0—
200 mb11860 m-60.5-65.0250° 49 kt
190 mb12192 m-59.1-64.9250° 50 kt
172 mb12802 m-56.6-64.7255° 34 kt
156 mb13411 m-54.8-65.5245° 47 kt
150 mb13680 m-54.1-66.1260° 48 kt
139 mb14168 m-54.5-67.5—
126 mb14796 m-55.1-71.1—
112 mb15545 m-55.3-73.3240° 32 kt
100 mb16270 m-55.7-75.7245° 28 kt

SPC observed soundings checked · Data: NOAA/SPC

Impacts

No supported U.S. monitoring area

Current warnings in the monitoring area

None: no U.S. state or territory is under NHC’s coastal watches or warnings or inside the cone, Advisory 1. Current geographical context; these alerts are not attributed to the cyclone.

No U.S. area

No U.S. state or territory is under NHC’s coastal watches or warnings or inside the cone. The storm’s own panels are shown, and no NWS alert is listed.

Official forecast table

Forecast points

CPHC Advisory 1 · advisory · forecast cycle . Forecast positions are future estimates, not observed imagery. Classification is shown only where published.

Published official forecast; no interpolated positions or winds
Valid time / leadPositionClassificationSustained wind

+0 h from forecast cycle
14.3°N, 179.8°Wlow30 kt · 35 mph

+3 h from forecast cycle
14.6°N, 179.3°Wtropical depression30 kt · 35 mph

+12 h from forecast cycle
14.7°N, 178.4°Wtropical storm35 kt · 40 mph

+24 h from forecast cycle
14.7°N, 177.0°Wtropical storm35 kt · 40 mph

+36 h from forecast cycle
14.4°N, 175.0°Wtropical storm35 kt · 40 mph

+48 h from forecast cycle
14.6°N, 173.0°Wtropical storm35 kt · 40 mph

+60 h from forecast cycle
15.5°N, 171.5°Wtropical depression30 kt · 35 mph

+72 h from forecast cycle
16.5°N, 169.9°Wpost tropical cyclone25 kt · 29 mph
Advisory history and records

Advisory history

Return to latest advisory

Each entry selects one immutable snapshot. Intermediate, special and corrected records are separate identities where retained. Current NWS context is labelled separately. Historical impact manifests are not retained by this index; newer impacts are never attached to an earlier advisory. Same-time corrections replaced in the publisher’s index cannot be selected unless still listed.

Advisory history; retained records only
Official issuanceRevision kindRecord
CPHC Advisory 1 · firstSnapshot 66617574 · Selected
Monitoring geography and current changes
Area
None: no U.S. state or territory is under NHC’s coastal watches or warnings or inside the cone, Advisory 1
Coastal watches and warnings: none in a U.S. state · Cone: crosses no U.S. state
Hazards
—
Window
In force now, with this advisory’s forecast
Made by
CPHC’s own products, as this site’s pipeline published them, read again with each new advisory. Watch another area

The storm’s area, by its warning centre’s products: everything listed is in force in this area, never “from this storm”.

All published products and source descriptions

Forecast track

The official forecast track for Tropical Depression Three-C, CPHC Advisory 1

The official forecast track, drawn by this site from CPHC’s Advisory 1 (). Not an official CPHC product. Data: NOAA/NHC. CPHC’s own.

Wind speed probabilities

Chance of sustained wind of at least 34, 50 and 64 knots, by place
Place34 kt50 kt64 kt
15n 175w22%4%—
Johnston Isl11%——
15n 170w8%——

NHC’s chance of sustained wind of at least each speed at each place it lists, through ; the places with the highest chance of 34 kt first. Issued . Data: NOAA/NHC. NHC’s table.

NHC’s coastal watches and warnings

NHC has no coastal watch or warning in effect for this storm.

In NHC’s words, Advisory 1, issued . The areas NHC names, in the United States and abroad; for a place outside the United States its national service is the warning authority. Data: NOAA/NHC. NHC’s advisory.

Intensity forecast

The official intensity forecast for Tropical Depression Three-C, CPHC Advisory 1

The official intensity forecast, drawn by this site from CPHC’s Advisory 1 (). Not an official CPHC product. Data: NOAA/NHC. CPHC’s own.

Satellite

The storm’s page shows it on NASA GIBS (NOAA GOES, JMA Himawari)’s imagery, loaded by your browser. Himawari at 40° from the storm's meridian.

Open the storm’s page

Imagery from NASA GIBS: NOAA GOES and JMA Himawari.

Model guidance

The models’ tracks, which are not a forecast for Tropical Depression Three-C, CPHC Advisory 1

The models’ tracks, which are not a forecast, drawn by this site from CPHC’s Advisory 1 (). Not an official CPHC product. Data: NOAA/NHC. CPHC’s own.

Radar

NOAA’s radar for the area, loaded by your browser as on the Radar page.

Open the radar

Live tiles; the radar keeps no last-good copy.

Sources

NWS coverage unavailableTropical Depression Three-C · — alerts
No supported NWS monitoring area. Check local warning authorities.
Not checked

Not an official warning service. Warnings and watches are the National Weather Service’s, outlooks and reports the Storm Prediction Center’s and the Weather Prediction Center’s (Data: NOAA/NWS, NOAA/SPC, NOAA/WPC). When a warning is issued for you, act on it, and use weather.gov or a NOAA Weather Radio for where you are.