STORM MODEWeather tracking workspace

Tropical Depression Atsani

25 kt · 29 mph · NNW at 16 kt

Storm Mode · JTWC Warning · 25 Aug 06:00Z

Advisory delayed · last complete issuance

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JTWC forecast for Tropical Depression Atsani, Warning; rendered by MaverickWX

Published advisory track · Warning

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JTWC does not publish an NHC cone.

MaverickWX map · Data: JTWC · not an official graphic

Change time or forecast product

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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.

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Analysis

Area, source times and interpretation

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Soundings: what weather balloons measured

SPC’s skew-T diagram and hodograph of the sounding at Wilmington, OH (ILN), 12Z. Its levels are in the table below. — Observed Sounding at Wilmington, OH (ILN), for 12:00Z (9 h 33 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 (58)

Wilmington, OH (ILN): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
Pressure	Height	Temperature	Dew point	Wind
991 mb	317 m	6.2	5.8	calm
967 mb	523 m	14.4	7.4	—
951 mb	665 m	13.4	5.4	—
925 mb	900 m	11.2	4.2	100° 6 kt
910 mb	1036 m	10.0	5.0	—
890 mb	1219 m	9.1	2.3	070° 8 kt
858 mb	1524 m	9.8	-16.5	345° 5 kt
850 mb	1603 m	9.6	-21.4	325° 5 kt
837 mb	1731 m	9.6	-14.4	—
809 mb	2012 m	7.6	-4.4	—
797 mb	2134 m	7.2	-5.7	210° 2 kt
782 mb	2291 m	6.6	-7.4	—
768 mb	2438 m	6.2	-8.4	045° 4 kt
740 mb	2743 m	4.5	-12.0	330° 6 kt
713 mb	3048 m	2.9	-15.6	305° 8 kt
700 mb	3192 m	2.0	-17.0	325° 10 kt
687 mb	3343 m	1.2	-18.8	—
662 mb	3640 m	-0.7	-15.7	—
636 mb	3962 m	-2.5	-20.2	350° 15 kt
612 mb	4267 m	-4.2	-24.5	330° 15 kt
596 mb	4470 m	-5.3	-27.3	—
585 mb	4616 m	-6.1	-23.1	—
574 mb	4764 m	-6.1	-25.1	—
558 mb	4985 m	-7.9	-23.9	—
544 mb	5182 m	-8.8	-27.1	345° 26 kt
523 mb	5486 m	-10.1	-32.1	355° 25 kt
503 mb	5791 m	-12.4	-32.8	355° 24 kt
500 mb	5830 m	-12.7	-32.7	350° 28 kt
483 mb	6096 m	-14.3	-34.7	000° 29 kt
464 mb	6401 m	-15.6	-36.9	355° 36 kt
448 mb	6660 m	-16.7	-38.7	—
427 mb	7010 m	-19.4	-40.1	330° 48 kt
416 mb	7211 m	-20.9	-40.9	—
400 mb	7500 m	-22.5	-41.5	340° 47 kt
377 mb	7925 m	-25.1	-44.0	000° 50 kt
362 mb	8230 m	-27.5	-43.2	000° 56 kt
347 mb	8534 m	-30.0	-42.4	005° 57 kt
332 mb	8839 m	-32.5	-41.5	000° 64 kt
320 mb	9102 m	-34.7	-40.7	—
304 mb	9449 m	-37.0	-45.4	355° 61 kt
300 mb	9550 m	-37.7	-46.7	355° 66 kt
288 mb	9830 m	-39.9	-49.9	—
266 mb	10363 m	-44.1	-52.5	350° 65 kt
254 mb	10668 m	-46.7	-54.1	350° 66 kt
250 mb	10780 m	-47.7	-54.7	345° 67 kt
232 mb	11278 m	-51.4	-57.8	345° 65 kt
221 mb	11582 m	-53.6	-59.8	340° 67 kt
211 mb	11887 m	-55.5	-61.5	335° 66 kt
200 mb	12220 m	-55.3	-61.3	340° 68 kt
190 mb	12547 m	-55.3	-62.3	—
166 mb	13400 m	-59.3	-67.3	—
150 mb	14021 m	-62.3	-71.2	315° 44 kt
150 mb	14030 m	-62.3	-71.3	330° 49 kt
139 mb	14500 m	-61.7	-71.7	—
123 mb	15240 m	-64.2	-73.2	335° 29 kt
112 mb	15850 m	-65.2	-75.1	305° 33 kt
101 mb	16459 m	-67.0	-78.6	330° 40 kt
100 mb	16510 m	-66.7	-78.7	340° 33 kt

Every station with a sounding (77)

SPC observed soundings checked 21:30Z · Data: NOAA/SPC

Storm details

JTWC Warning · 25 Aug 06:00Z

Center position: 20.6°N, 137.3°E
Minimum pressure: Not reported
Maximum sustained wind: 25 kt · 29 mph
Movement: NNW at 16 kt
Since comparison advisory: Comparison unavailable

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Forecast cycle Time not published. Center position belongs to the official state’s time, not imagery time.

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Advisory comparison

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Data coverage

JTWC has no NHC cone, NHC wind probabilities or NHC civil coastal warnings. Local national services remain the warning authorities.

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No supported U.S. NWS monitoring area for this advisory. This does not mean no warnings worldwide.

Lightning activity — GOES GLM

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Impacts

No supported U.S. monitoring area

Coastal alertsLocal national warning authorities apply Flooding rainOfficial rainfall context and coverage Storm surgeAvailability and coastal-only product limits Warnings in monitored areaNWS coverage unavailable here; not a global all-clear

Current warnings in the monitoring area

None: JTWC’s forecast track passes within 300 nm of no U.S. territory with NWS zones, Warning. Current geographical context; these alerts are not attributed to the cyclone.

No U.S. area

No U.S. territory is in this storm’s area: JTWC’s track passes within 300 nm of none. Its own panels are shown, and no NWS alert is listed.

Official forecast table

Forecast points

JTWC Warning · advisory 25 Aug 06:00Z · forecast cycle Time not published. Forecast positions are future estimates, not observed imagery. Classification is shown only where published.

Published official forecast; no interpolated positions or winds
Valid time / lead	Position	Classification	Sustained wind
25 Aug 18:00Z +12 h from forecast cycle	22.4°N, 136.0°E	tropical depression	20 kt · 23 mph

Advisory history and records

Advisory history

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Monitoring geography and current changes

Area: None: JTWC’s forecast track passes within 300 nm of no U.S. territory with NWS zones, Warning
JTWC issues no cone and no coastal segments, so the area is the territories its track reaches.
Hazards: —
Window: In force now, with this warning’s forecast
Made by: JTWC’s own products, as this site’s pipeline published them, read again with each new warning. 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, drawn by this site from JTWC’s Warning (06:00Z). Not an official JTWC product. Data: JTWC. JTWC’s own.

Intensity forecast

The official intensity forecast, drawn by this site from JTWC’s Warning (06:00Z). Not an official JTWC product. Data: JTWC. JTWC’s own.

Satellite

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Imagery from NASA GIBS: NOAA GOES and JMA Himawari.

Model guidance

The models’ tracks, which are not a forecast for Tropical Depression Atsani, JTWC Warning

The models’ tracks, which are not a forecast, drawn by this site from JTWC’s Warning (06:00Z). Not an official JTWC product. Data: JTWC. JTWC’s own.

Radar

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Sources

JTWC warning, as published checked 21:32Z
Radar live tiles, no last-good copy

NWS coverage unavailableTropical Depression Atsani · — 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.