District of ColumbiaSite 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 Lincoln, IL (ILX), 00Z. Its levels are in the table below.
Observed Sounding at Lincoln, IL (ILX), 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 (61)
Lincoln, IL (ILX): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
1004 mb178 m12.27.2325° 12 kt
1000 mb211 m11.45.4325° 20 kt
990 mb295 m10.44.4—
974 mb429 m9.34.0340° 22 kt
954 mb601 m7.93.5345° 30 kt
935 mb767 m6.63.0—
925 mb855 m6.02.3345° 32 kt
887 mb1196 m3.50.8355° 27 kt
865 mb1400 m2.0-0.1355° 26 kt
851 mb1532 m1.1-0.7000° 25 kt
850 mb1542 m1.0-0.7000° 25 kt
839 mb1647 m0.3-1.3005° 28 kt
814 mb1888 m-1.2-2.6000° 28 kt
802 mb2006 m-1.9-3.3355° 28 kt
786 mb2167 m-2.9-4.2—
769 mb2340 m-2.1-4.1—
754 mb2496 m-4.7-7.0355° 28 kt
732 mb2728 m-6.2-8.5355° 30 kt
700 mb3077 m-8.1-10.3350° 29 kt
662 mb3507 m-10.8-13.0335° 28 kt
644 mb3719 m-12.1-14.4—
633 mb3850 m-12.9-15.1345° 29 kt
623 mb3971 m-13.7-15.8345° 29 kt
605 mb4192 m-15.3-17.5340° 27 kt
593 mb4343 m-16.4-18.6335° 30 kt
574 mb4587 m-18.3-20.6335° 28 kt
559 mb4784 m-19.9-22.4—
547 mb4943 m-21.1-25.2330° 30 kt
530 mb5174 m-22.8-29.3345° 36 kt
512 mb5427 m-24.6-33.8345° 36 kt
500 mb5600 m-25.9-36.9345° 40 kt
468 mb6077 m-27.3-41.3—
457 mb6248 m-27.4-40.8000° 51 kt
438 mb6553 m-27.9-42.9—
423 mb6802 m-28.7-44.7—
409 mb7042 m-29.9-44.9—
400 mb7200 m-30.9-45.9010° 75 kt
390 mb7380 m-31.5-46.5—
375 mb7657 m-32.3-46.8005° 67 kt
362 mb7906 m-33.1-47.1—
350 mb8144 m-33.8-48.3000° 62 kt
339 mb8368 m-34.6-50.4000° 58 kt
325 mb8663 m-34.7-50.7—
300 mb9220 m-37.1-54.1330° 45 kt
288 mb9503 m-36.7-53.1320° 46 kt
268 mb10002 m-38.4-56.1305° 36 kt
255 mb10344 m-39.5-55.5285° 42 kt
250 mb10480 m-39.7-54.7285° 40 kt
240 mb10757 m-41.1-56.1—
230 mb11044 m-42.9-58.9—
220 mb11343 m-43.2-59.3270° 45 kt
207 mb11751 m-44.1-60.1—
200 mb11980 m-45.1-61.1245° 65 kt
185 mb12496 m-48.3-63.3—
172 mb12976 m-47.5-61.5—
150 mb13870 m-52.5-67.5250° 67 kt
139 mb14359 m-55.3-69.3265° 77 kt
128 mb14885 m-55.7-69.7—
116 mb15510 m-57.9-72.9—
104 mb16190 m-63.1-76.1—
100 mb16430 m-65.3-78.3255° 43 kt
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.