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 GRB, 00Z. Its levels are in the table below.
Observed Sounding at GRB, for (3 h 52 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 (57)
GRB: the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
1002 mb214 m8.21.2000° 9 kt
1000 mb226 m7.60.6350° 20 kt
990 mb308 m6.8-1.2—
954 mb610 m3.8-2.8345° 29 kt
937 mb753 m2.4-3.6—
925 mb856 m1.2-3.8345° 30 kt
884 mb1219 m-1.8-4.5000° 25 kt
863 mb1409 m-3.1-5.9—
851 mb1524 m-4.1-6.5000° 23 kt
850 mb1529 m-4.1-6.5000° 22 kt
818 mb1829 m-5.5-13.2345° 26 kt
798 mb2025 m-5.1-26.1—
787 mb2134 m-5.9-26.5010° 34 kt
757 mb2438 m-8.0-27.1000° 35 kt
741 mb2602 m-9.1-28.1—
728 mb2743 m-9.4-30.1355° 30 kt
702 mb3019 m-10.5-33.5—
700 mb3041 m-10.3-33.3000° 34 kt
674 mb3333 m-10.9-35.9—
646 mb3658 m-9.3-40.5000° 45 kt
621 mb3962 m-10.5-36.2005° 50 kt
597 mb4267 m-13.0-31.3000° 53 kt
574 mb4566 m-15.5-26.5—
557 mb4793 m-16.5-28.5—
529 mb5182 m-18.3-29.3005° 49 kt
508 mb5486 m-19.9-30.2000° 52 kt
500 mb5600 m-20.5-30.5000° 52 kt
488 mb5778 m-21.5-31.5—
469 mb6069 m-23.3-35.3—
440 mb6531 m-26.1-35.1—
429 mb6706 m-27.3-37.0000° 64 kt
411 mb7010 m-29.4-39.4355° 62 kt
400 mb7210 m-31.1-41.1000° 63 kt
388 mb7425 m-32.9-44.9—
377 mb7620 m-34.3-45.7000° 65 kt
361 mb7925 m-36.6-47.6000° 70 kt
346 mb8230 m-39.2-49.7355° 75 kt
330 mb8534 m-41.1-52.1355° 73 kt
316 mb8839 m-41.5-54.4350° 72 kt
302 mb9144 m-41.4-56.1355° 79 kt
300 mb9190 m-41.1-56.1355° 74 kt
285 mb9537 m-43.1-59.1—
271 mb9874 m-44.9-59.9—
253 mb10331 m-46.9-61.9—
250 mb10410 m-47.1-62.1345° 51 kt
230 mb10973 m-48.0-64.0335° 46 kt
219 mb11278 m-48.4-64.4340° 36 kt
202 mb11815 m-50.1-66.1—
200 mb11880 m-50.5-66.5300° 34 kt
174 mb12802 m-48.2-66.2295° 47 kt
158 mb13411 m-51.8-69.3270° 34 kt
150 mb13760 m-53.7-70.7270° 40 kt
139 mb14249 m-53.3-71.3—
127 mb14829 m-53.3-71.3—
114 mb15519 m-56.3-73.3—
103 mb16154 m-56.5-73.5285° 43 kt
100 mb16350 m-57.3-74.3280° 34 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.