CaliforniaSite 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 Riverton, WY (RIW), 00Z. Its levels are in the table below.
Observed Sounding at Riverton, WY (RIW), for (4 h 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 (56)
Riverton, WY (RIW): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
842 mb1703 m13.03.0120° 4 kt
830 mb1823 m11.41.4—
810 mb2026 m9.21.2—
789 mb2243 m11.0-5.0—
774 mb2403 m11.5-5.9305° 11 kt
763 mb2522 m11.6-8.4—
747 mb2698 m10.3-8.5295° 9 kt
735 mb2833 m9.4-8.6—
724 mb2957 m8.5-10.7285° 9 kt
700 mb3234 m6.6-15.4275° 7 kt
690 mb3352 m5.8-18.2—
675 mb3531 m4.4-12.6—
663 mb3676 m3.7-17.6320° 9 kt
645 mb3899 m2.2-20.8—
628 mb4114 m1.9-29.7325° 15 kt
610 mb4346 m0.3-27.9320° 10 kt
576 mb4803 m-3.0-23.8310° 16 kt
564 mb4970 m-4.3-22.3—
552 mb5139 m-5.1-24.2315° 13 kt
539 mb5326 m-5.9-25.9—
528 mb5487 m-6.5-28.5345° 22 kt
517 mb5651 m-7.5-25.4350° 23 kt
500 mb5910 m-9.5-26.5345° 28 kt
489 mb6081 m-11.1-26.1—
461 mb6530 m-14.5-33.0345° 24 kt
450 mb6714 m-15.9-35.9—
434 mb6985 m-17.9-36.8355° 24 kt
422 mb7195 m-19.5-37.5—
402 mb7553 m-22.7-39.7—
400 mb7590 m-22.9-39.9340° 29 kt
390 mb7775 m-24.3-43.3—
365 mb8253 m-28.6-44.9340° 30 kt
354 mb8472 m-30.5-46.5—
341 mb8737 m-32.4-49.3340° 30 kt
330 mb8967 m-33.8-49.4335° 29 kt
314 mb9315 m-35.9-48.9—
300 mb9630 m-38.3-50.3340° 27 kt
288 mb9909 m-40.4-50.6340° 28 kt
277 mb10174 m-42.3-52.3340° 27 kt
263 mb10522 m-44.7-53.0335° 23 kt
251 mb10833 m-46.7-53.8345° 28 kt
250 mb10860 m-46.9-53.9345° 29 kt
240 mb11129 m-49.1-56.1—
230 mb11407 m-50.5-56.5335° 26 kt
218 mb11755 m-52.1-59.1—
207 mb12089 m-53.5-60.5—
200 mb12310 m-54.3-62.3345° 23 kt
184 mb12839 m-57.9-65.9000° 15 kt
172 mb13261 m-59.9-67.9310° 17 kt
161 mb13673 m-61.5-69.5315° 27 kt
150 mb14110 m-63.3-71.3315° 30 kt
140 mb14533 m-64.3-72.3—
127 mb15128 m-65.3-73.3330° 26 kt
116 mb15679 m-66.3-74.0315° 8 kt
104 mb16336 m-68.8-75.8315° 20 kt
100 mb16570 m-69.1-77.1300° 16 kt
Every station with a sounding (78)

SPC observed soundings checked · Data: NOAA/SPC

California 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.