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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 Norman, OK (OUN), 00Z. Its levels are in the table below.
Observed Sounding at Norman, OK (OUN), for (4 h 59 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 (51)
Norman, OK (OUN): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
992 mb357 m14.63.6000° 15 kt
971 mb532 m12.41.0010° 28 kt
960 mb626 m11.40.4—
925 mb927 m8.40.4005° 30 kt
888 mb1261 m5.1-0.8000° 25 kt
857 mb1552 m2.2-0.7—
850 mb1618 m1.8-1.7005° 26 kt
824 mb1868 m-0.3-2.6—
814 mb1965 m-0.1-8.1—
801 mb2095 m1.8-22.2—
779 mb2319 m0.2-24.8—
755 mb2569 m0.2-43.8—
740 mb2730 m0.6-47.4—
726 mb2883 m2.6-46.4—
716 mb2996 m4.7-44.3020° 52 kt
700 mb3180 m4.8-44.2015° 48 kt
689 mb3309 m4.6-44.4—
677 mb3451 m5.1-43.0020° 40 kt
655 mb3718 m3.6-40.4005° 34 kt
629 mb4046 m1.8-37.2—
619 mb4175 m2.0-36.0—
594 mb4505 m0.7-39.9345° 34 kt
580 mb4696 m-0.1-42.1—
509 mb5722 m-8.3-46.3—
500 mb5860 m-8.7-48.7340° 30 kt
486 mb6080 m-10.1-47.1—
451 mb6647 m-15.0-46.6350° 32 kt
417 mb7242 m-20.1-46.1—
400 mb7550 m-21.9-51.9325° 28 kt
387 mb7788 m-23.7-54.5325° 25 kt
360 mb8305 m-27.5-57.7330° 32 kt
322 mb9102 m-33.4-62.6305° 33 kt
311 mb9349 m-34.5-63.5—
301 mb9577 m-35.3-62.3—
300 mb9600 m-35.5-62.5290° 59 kt
279 mb10099 m-38.9-59.9—
267 mb10398 m-41.3-50.3—
256 mb10681 m-43.3-48.0—
250 mb10840 m-44.7-49.7275° 85 kt
237 mb11196 m-47.7-52.0—
227 mb11480 m-49.9-57.9—
214 mb11864 m-52.7-68.7—
200 mb12300 m-53.7-68.7290° 70 kt
188 mb12696 m-55.3-74.3—
171 mb13298 m-57.5-78.5—
155 mb13915 m-58.9-80.9—
150 mb14120 m-60.5-81.5265° 60 kt
139 mb14590 m-64.2-82.4275° 64 kt
125 mb15236 m-66.7-83.7—
112 mb15900 m-68.3-84.3270° 53 kt
100 mb16580 m-68.3-85.3290° 36 kt
Every station with a sounding (78)

SPC observed soundings checked · Data: NOAA/SPC

Nebraska 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.