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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 Springfield, MO (SGF), 00Z. Its levels are in the table below.
Observed Sounding at Springfield, MO (SGF), for (5 h 6 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)
Springfield, MO (SGF): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
984 mb387 m10.84.8335° 12 kt
958 mb610 m8.43.7350° 15 kt
925 mb903 m5.22.2350° 20 kt
890 mb1219 m2.50.6340° 25 kt
860 mb1493 m0.2-0.8—
850 mb1587 m-0.1-1.5000° 27 kt
825 mb1829 m-2.1-2.9000° 25 kt
801 mb2059 m-3.9-4.1—
786 mb2208 m-5.1-5.3—
763 mb2438 m-5.5-7.8005° 32 kt
725 mb2841 m-6.5-12.5—
706 mb3048 m-6.1-16.3000° 41 kt
700 mb3115 m-5.9-17.9000° 40 kt
686 mb3273 m-6.1-19.1—
653 mb3658 m-7.5-29.3355° 41 kt
604 mb4267 m-5.7-34.5000° 58 kt
594 mb4399 m-5.1-35.1—
581 mb4572 m-5.1-33.0005° 63 kt
559 mb4877 m-6.7-33.3005° 65 kt
548 mb5030 m-7.7-34.7—
537 mb5182 m-8.1-33.8000° 68 kt
517 mb5486 m-9.7-34.1000° 69 kt
500 mb5740 m-11.5-35.5355° 68 kt
477 mb6096 m-14.2-35.8350° 72 kt
458 mb6401 m-16.4-36.0350° 76 kt
440 mb6706 m-18.6-38.0345° 77 kt
422 mb7010 m-20.7-40.6345° 73 kt
406 mb7301 m-23.1-42.1—
400 mb7410 m-23.7-42.7345° 74 kt
389 mb7620 m-25.2-43.1345° 75 kt
357 mb8230 m-29.4-47.1345° 71 kt
337 mb8637 m-32.1-50.1—
313 mb9144 m-34.0-51.2330° 61 kt
300 mb9449 m-36.1-53.1320° 55 kt
300 mb9450 m-36.1-53.1315° 55 kt
287 mb9754 m-38.4-54.8300° 60 kt
262 mb10363 m-43.4-57.6295° 67 kt
251 mb10668 m-45.9-59.0290° 75 kt
250 mb10690 m-46.1-59.1290° 79 kt
240 mb10973 m-48.0-60.4290° 82 kt
222 mb11471 m-49.5-62.5—
209 mb11869 m-46.1-61.1—
200 mb12160 m-48.1-64.1280° 70 kt
190 mb12497 m-49.5-66.3280° 74 kt
173 mb13106 m-52.0-70.4280° 62 kt
157 mb13716 m-54.1-74.1275° 70 kt
150 mb14020 m-55.9-75.9260° 70 kt
136 mb14630 m-60.1-81.5260° 74 kt
123 mb15240 m-62.8-85.5270° 76 kt
112 mb15835 m-63.7-88.7—
100 mb16530 m-64.7-90.7275° 44 kt
89 mb17246 m-63.7-91.7—
79 mb17983 m-67.4-94.4290° 16 kt
64 mb19202 m-63.2-92.2250° 15 kt
53 mb20422 m-64.1-92.0280° 23 kt
41 mb21946 m-60.8-89.2315° 14 kt
31 mb23774 m-56.9-86.9265° 15 kt
20 mb26476 m-53.3-84.3—
10 mb31030 m-48.9-80.9260° 25 kt
8 mb32260 m-46.5-66.5—
Every station with a sounding (78)

SPC observed soundings checked · Data: NOAA/SPC

District of Columbia 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.