Northern Mariana IslandsSite status

Severe weather analysis

Observations and analyses of the atmosphere now, from NWS, WPC and SPC. Not a forecast and not a warning: for those, see the Briefing and the Live tracker.

SPC soundings: feeds current

SPC soundings: Feed current; checked .

Checked means retrieved, not newly issued. Each graphic retains its issue, observation, initialization or valid time. Site publishing status is separate.

Soundings: what weather balloons measured

SPC’s skew-T diagram and hodograph of the sounding at Key West, FL (KEY), 00Z. Its levels are in the table below.
Observed Sounding at Key West, FL (KEY), for (3 h 50 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 (63)
Key West, FL (KEY): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
1012 mb13 m29.625.2120° 3 kt
1000 mb124 m28.224.4130° 7 kt
980 mb305 m26.524.0115° 8 kt
947 mb610 m24.321.3120° 8 kt
933 mb738 m23.420.0—
925 mb813 m23.418.7125° 10 kt
914 mb914 m22.918.2125° 8 kt
887 mb1179 m21.414.4—
874 mb1307 m20.614.6—
864 mb1406 m19.616.8—
853 mb1517 m19.014.7—
850 mb1547 m18.814.8150° 11 kt
833 mb1721 m17.214.2—
823 mb1829 m16.712.6155° 13 kt
794 mb2134 m14.910.4120° 9 kt
766 mb2438 m12.89.8135° 11 kt
750 mb2610 m11.88.1—
738 mb2743 m11.37.8125° 11 kt
711 mb3057 m10.42.4—
700 mb3187 m9.61.6135° 14 kt
680 mb3427 m8.00.0—
661 mb3658 m6.7-1.9135° 17 kt
645 mb3861 m5.40.8—
579 mb4736 m0.8-2.6—
569 mb4877 m-0.2-2.8160° 15 kt
556 mb5060 m-1.5-3.3—
535 mb5366 m-2.7-7.7—
516 mb5652 m-4.3-8.1—
503 mb5853 m-5.5-11.5—
500 mb5900 m-5.3-14.3150° 12 kt
488 mb6096 m-6.6-15.0145° 11 kt
466 mb6449 m-8.3-21.3—
456 mb6617 m-9.5-20.5—
445 mb6806 m-10.5-15.3—
432 mb7033 m-11.5-21.5—
421 mb7231 m-12.3-20.3—
409 mb7451 m-13.7-21.7—
400 mb7620 m-14.9-26.9255° 3 kt
385 mb7909 m-16.9-29.9—
361 mb8390 m-20.7-24.7—
350 mb8620 m-21.5-31.5—
333 mb8986 m-24.5-28.5—
318 mb9321 m-27.1-33.1—
304 mb9645 m-29.3-35.3—
300 mb9740 m-29.9-37.9285° 20 kt
290 mb9980 m-32.1-37.1—
279 mb10252 m-34.1-43.1—
264 mb10636 m-37.1-52.1—
250 mb11010 m-40.3-52.3275° 32 kt
239 mb11315 m-43.3-53.3—
228 mb11630 m-46.1-57.1—
218 mb11927 m-47.5-62.5—
206 mb12298 m-50.5-56.5—
200 mb12490 m-52.3-58.3260° 42 kt
189 mb12853 m-55.7-60.1—
172 mb13445 m-61.5-63.6—
157 mb14021 m-65.9-69.8260° 42 kt
150 mb14280 m-67.9-71.8280° 28 kt
139 mb14738 m-68.5-78.5—
129 mb15183 m-70.3-80.3—
118 mb15708 m-73.9-82.9—
107 mb16277 m-74.5-83.5—
100 mb16670 m-75.9-84.9120° 20 kt
Every station with a sounding (78)

SPC observed soundings checked · Data: NOAA/SPC

Northern Mariana Islands briefing

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.