STORM MODEWeather tracking workspace

Tropical Storm Pena

Tropical Storm 46 mph (40 kt) · 1002 hPa · W at 7 mph (6 kt)

CPHC Best track ·

Historical advisory selected · current imagery and impacts are not attached

CPHC forecast for Tropical Storm Pena, Best track; rendered by MaverickWX
Published advisory track · Best track

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

ⓘ About this map

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

Basemap

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.

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Choose Forecast for a pinned issuance and valid time.

Analysis

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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 Little Rock, AR (LZK), 12Z. Its levels are in the table below.
Observed Sounding at Little Rock, AR (LZK), for (9 h 36 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 (60)
Little Rock, AR (LZK): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
1003 mb173 m5.84.8calm
1000 mb196 m9.07.8200° 10 kt
987 mb305 m9.66.2210° 6 kt
960 mb534 m9.26.6—
945 mb665 m9.46.1—
925 mb842 m10.01.0320° 11 kt
907 mb1005 m8.86.9—
884 mb1219 m11.2-8.3330° 16 kt
856 mb1486 m11.4-21.6—
850 mb1545 m11.4-21.6340° 5 kt
821 mb1829 m9.9-16.7300° 7 kt
792 mb2134 m8.1-12.2325° 3 kt
781 mb2247 m7.4-10.6—
763 mb2438 m6.6-13.3310° 7 kt
750 mb2579 m6.0-14.0—
735 mb2743 m5.3-15.7315° 7 kt
706 mb3072 m3.8-19.2—
700 mb3141 m3.4-19.6185° 2 kt
682 mb3353 m1.9-23.2290° 1 kt
657 mb3651 m-0.1-25.1—
639 mb3872 m-1.3-30.3—
616 mb4162 m-2.9-23.9—
599 mb4383 m-3.9-29.9—
585 mb4572 m-4.8-27.2305° 10 kt
568 mb4800 m-5.9-29.9—
541 mb5182 m-9.6-22.7290° 15 kt
528 mb5365 m-11.3-19.3—
518 mb5511 m-12.3-21.3—
504 mb5720 m-13.9-21.9—
500 mb5780 m-14.3-22.3275° 16 kt
479 mb6096 m-16.7-24.5270° 19 kt
460 mb6401 m-19.1-24.6275° 22 kt
442 mb6706 m-21.4-24.6265° 22 kt
424 mb7010 m-22.4-31.1280° 28 kt
411 mb7242 m-24.3-29.0—
400 mb7440 m-25.3-34.3280° 35 kt
382 mb7772 m-27.9-39.9—
362 mb8156 m-30.7-36.7—
348 mb8435 m-32.9-39.9—
324 mb8933 m-37.1-41.7—
310 mb9237 m-39.5-44.3—
300 mb9460 m-41.5-45.9275° 66 kt
290 mb9688 m-43.7-48.2—
274 mb10058 m-47.1-50.6275° 65 kt
262 mb10363 m-49.9-52.9280° 67 kt
250 mb10660 m-52.9-55.9275° 67 kt
239 mb10949 m-55.3-58.7—
229 mb11222 m-54.7-58.5280° 74 kt
216 mb11582 m-56.7-61.4280° 72 kt
206 mb11887 m-57.7-62.7275° 62 kt
200 mb12080 m-58.1-64.1275° 60 kt
187 mb12497 m-58.2-65.2275° 61 kt
175 mb12922 m-58.1-67.1—
163 mb13369 m-57.7-68.7—
150 mb13890 m-60.3-72.3270° 50 kt
140 mb14326 m-62.0-75.0270° 50 kt
127 mb14935 m-64.6-79.2290° 44 kt
115 mb15545 m-67.2-83.4290° 43 kt
104 mb16132 m-66.7-85.7—
100 mb16370 m-67.3-86.3285° 39 kt

SPC observed soundings checked · Data: NOAA/SPC

Impacts

No supported U.S. monitoring area
Official forecast table

Forecast points

CPHC Best track · 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
11.5°N, 154.7°WTropical storm46 mph (40 kt)

+3 h from forecast cycle
11.5°N, 155.0°WTropical storm46 mph (40 kt)

+12 h from forecast cycle
11.5°N, 156.3°WTropical storm40 mph (35 kt)

+24 h from forecast cycle
11.5°N, 158.1°WTropical storm40 mph (35 kt)

+36 h from forecast cycle
11.4°N, 160.3°WTropical storm46 mph (40 kt)

+48 h from forecast cycle
11.3°N, 162.5°WTropical storm52 mph (45 kt)

+60 h from forecast cycle
11.1°N, 164.4°WTropical storm52 mph (45 kt)

+72 h from forecast cycle
10.9°N, 166.4°WTropical storm58 mph (50 kt)

+96 h from forecast cycle
11.0°N, 172.0°WTropical storm58 mph (50 kt)

+120 h from forecast cycle
12.5°N, 177.4°WTropical storm58 mph (50 kt)
Advisory history and records

Advisory history

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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.

Monitoring geography
Area
None: no U.S. state or territory is under NHC’s coastal watches or warnings or inside the cone, Best track
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 Storm Pena, CPHC Best track

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

Wind speed probabilities

NHC’s wind speed probabilities are not reported for this advisory.

NHC’s coastal watches and warnings

The advisory’s watches and warnings are not reported.

Intensity forecast

The official intensity forecast for Tropical Storm Pena, CPHC Best track

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

Satellite

The storm’s page shows it on the satellite, loaded by your browser.

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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 Storm Pena, CPHC Best track

The models’ tracks, which are not a forecast, drawn by this site from CPHC’s Best track (). 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.

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Drawn live: if the radar fails, nothing older is shown in its place.

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Outside NWS coverageTropical Storm Pena
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