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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 Newport, NC (MHX), 00Z. Its levels are in the table below.
Observed Sounding at Newport, NC (MHX), for (5 h 7 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 (61)
Newport, NC (MHX): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
1011 mb11 m24.821.7195° 4 kt
1000 mb105 m23.822.2205° 13 kt
983 mb255 m22.821.4—
945 mb598 m21.416.5220° 31 kt
925 mb783 m20.215.2225° 31 kt
913 mb896 m19.315.4225° 30 kt
900 mb1019 m18.415.6—
850 mb1507 m14.813.0230° 36 kt
840 mb1607 m14.012.5230° 37 kt
827 mb1739 m14.48.4—
813 mb1884 m14.22.2—
793 mb2094 m15.5-9.3265° 23 kt
769 mb2355 m15.4-14.4250° 25 kt
751 mb2555 m14.8-15.8235° 23 kt
741 mb2668 m14.3-17.6230° 26 kt
705 mb3086 m11.8-16.2—
700 mb3145 m11.4-16.6220° 31 kt
682 mb3362 m9.8-16.2—
671 mb3496 m9.0-21.0—
634 mb3962 m5.1-7.3240° 30 kt
616 mb4197 m3.8-10.3235° 31 kt
593 mb4504 m1.9-11.0240° 36 kt
558 mb4993 m-0.9-15.9—
540 mb5254 m-2.4-17.3240° 36 kt
526 mb5461 m-3.7-18.7—
512 mb5674 m-4.9-20.5240° 37 kt
500 mb5860 m-6.1-22.1230° 38 kt
479 mb6193 m-8.6-18.1240° 35 kt
460 mb6507 m-10.9-14.3—
450 mb6676 m-11.9-15.8235° 37 kt
440 mb6848 m-12.8-16.6240° 38 kt
410 mb7384 m-16.3-21.3—
400 mb7570 m-17.7-22.6235° 44 kt
386 mb7835 m-19.7-24.4—
376 mb8028 m-21.3-25.4245° 42 kt
362 mb8307 m-23.1-27.5240° 44 kt
330 mb8975 m-28.1-33.0240° 44 kt
320 mb9195 m-29.9-34.7—
305 mb9533 m-32.6-38.3240° 42 kt
300 mb9650 m-33.5-39.5240° 44 kt
272 mb10332 m-38.1-48.1235° 48 kt
250 mb10910 m-40.1-53.1210° 60 kt
239 mb11216 m-42.3-55.3—
228 mb11533 m-44.7-57.7220° 48 kt
216 mb11892 m-47.0-60.0210° 53 kt
200 mb12400 m-50.5-63.5210° 57 kt
189 mb12766 m-53.5-66.5205° 60 kt
176 mb13220 m-56.5-68.3205° 52 kt
162 mb13743 m-60.0-71.1215° 52 kt
150 mb14220 m-63.3-73.3210° 50 kt
140 mb14634 m-65.8-75.3225° 52 kt
122 mb15459 m-71.0-79.3245° 39 kt
110 mb16072 m-72.2-80.8230° 31 kt
100 mb16630 m-74.5-84.5230° 18 kt
75 mb18327 m-69.1-85.1305° 30 kt
63 mb19374 m-68.7-87.5200° 15 kt
52 mb20541 m-63.0-87.0240° 9 kt
42 mb21866 m-59.2-87.2250° 6 kt
22 mb25985 m-52.6-83.1265° 27 kt
12 mb29899 m-48.9-80.9295° 25 kt
7 mb33857 m-42.9-63.9—
Every station with a sounding (78)

SPC observed soundings checked · Data: NOAA/SPC

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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.