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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 International Falls, MN (INL), 00Z. Its levels are in the table below.
Observed Sounding at International Falls, MN (INL), 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 (54)
International Falls, MN (INL): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
988 mb357 m6.8-1.2295° 6 kt
960 mb592 m5.0-4.0—
925 mb894 m2.2-5.8275° 16 kt
908 mb1043 m0.8-5.2—
888 mb1219 m-0.6-9.1270° 14 kt
876 mb1330 m-1.3-12.3—
863 mb1449 m-1.5-16.5—
850 mb1570 m-1.7-14.7300° 16 kt
824 mb1817 m-2.7-17.7—
792 mb2134 m-3.6-20.6305° 20 kt
770 mb2352 m-4.7-22.7—
756 mb2496 m-5.5-21.5—
733 mb2743 m-6.7-26.6325° 22 kt
714 mb2942 m-7.7-26.7—
700 mb3096 m-8.5-28.5325° 30 kt
677 mb3353 m-10.0-23.7335° 37 kt
660 mb3549 m-11.3-19.3—
646 mb3714 m-9.5-12.6—
626 mb3962 m-9.6-12.9335° 48 kt
606 mb4207 m-10.9-14.2—
578 mb4572 m-12.9-15.5335° 49 kt
558 mb4836 m-14.3-16.5—
537 mb5126 m-15.1-18.1—
512 mb5486 m-18.4-20.4335° 60 kt
500 mb5660 m-18.9-21.1340° 60 kt
489 mb5827 m-18.9-22.0—
472 mb6096 m-19.1-25.7335° 64 kt
453 mb6401 m-20.2-31.4340° 64 kt
434 mb6706 m-22.3-36.7340° 61 kt
400 mb7310 m-27.5-38.5345° 69 kt
383 mb7620 m-30.1-40.4345° 72 kt
367 mb7925 m-32.7-42.7345° 78 kt
340 mb8457 m-37.1-47.1—
326 mb8746 m-39.7-48.7—
307 mb9144 m-42.4-52.8350° 83 kt
300 mb9310 m-43.5-54.5350° 83 kt
280 mb9754 m-46.9-56.4350° 86 kt
268 mb10058 m-49.3-57.4350° 91 kt
256 mb10363 m-51.7-58.4350° 94 kt
250 mb10510 m-52.9-58.9350° 96 kt
238 mb10826 m-54.5-60.5—
225 mb11184 m-56.3-62.3—
211 mb11582 m-57.1-63.1345° 105 kt
200 mb11930 m-57.1-63.1350° 85 kt
190 mb12253 m-58.9-64.9345° 67 kt
177 mb12699 m-55.9-64.9—
166 mb13106 m-56.9-66.9—
155 mb13541 m-55.1-67.1—
150 mb13750 m-54.9-67.9330° 56 kt
139 mb14234 m-56.3-71.3—
127 mb14807 m-54.9-71.9—
113 mb15545 m-58.3-76.7330° 46 kt
103 mb16154 m-58.9-79.5310° 45 kt
100 mb16310 m-58.3-80.3325° 49 kt
Every station with a sounding (78)

SPC observed soundings checked · Data: NOAA/SPC

Oregon 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.