VirginiaSite 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 White Lake, MI (DTX), 00Z. Its levels are in the table below.
Observed Sounding at White Lake, MI (DTX), for (4 h 30 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 (49)
White Lake, MI (DTX): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
979 mb329 m8.84.2305° 4 kt
946 mb610 m6.43.2355° 24 kt
925 mb795 m4.82.5000° 29 kt
912 mb914 m3.82.2005° 30 kt
885 mb1154 m1.60.5—
850 mb1478 m-0.3-1.1345° 31 kt
821 mb1755 m-1.5-4.3—
809 mb1873 m-2.1-3.6—
783 mb2134 m-3.2-5.0340° 29 kt
770 mb2265 m-3.5-7.2—
753 mb2438 m-4.7-9.6340° 20 kt
742 mb2556 m-5.7-9.2—
730 mb2684 m-5.9-9.2—
712 mb2880 m-6.7-10.3—
700 mb3012 m-7.9-10.6310° 26 kt
670 mb3353 m-10.8-11.8305° 24 kt
644 mb3658 m-12.1-14.6320° 26 kt
626 mb3872 m-12.9-16.6—
604 mb4145 m-14.1-22.1—
571 mb4572 m-17.8-24.7315° 26 kt
548 mb4875 m-20.5-25.0—
529 mb5135 m-21.9-33.9—
518 mb5290 m-22.5-40.5—
504 mb5486 m-22.0-56.0280° 32 kt
500 mb5550 m-22.3-56.3275° 32 kt
485 mb5773 m-22.9-56.9—
471 mb5987 m-24.3-57.3—
458 mb6191 m-23.7-58.7—
429 mb6670 m-23.7-60.7—
414 mb6929 m-23.3-59.3—
400 mb7180 m-24.9-57.9235° 102 kt
376 mb7620 m-27.5-60.5230° 106 kt
363 mb7879 m-29.1-62.1—
343 mb8283 m-30.1-63.1—
331 mb8534 m-29.9-64.6230° 101 kt
304 mb9144 m-34.7-66.3230° 112 kt
300 mb9230 m-35.5-66.5230° 115 kt
284 mb9611 m-36.1-66.1—
250 mb10490 m-40.1-67.1225° 123 kt
239 mb10796 m-40.5-71.5—
200 mb11990 m-47.7-76.7240° 117 kt
189 mb12362 m-48.3-78.3—
168 mb13132 m-51.3-80.3—
156 mb13610 m-54.7-81.7—
150 mb13860 m-55.9-81.9240° 99 kt
133 mb14624 m-57.7-82.7—
121 mb15240 m-59.5-84.3230° 62 kt
109 mb15850 m-60.3-85.2245° 72 kt
100 mb16410 m-58.5-85.5260° 40 kt
Every station with a sounding (78)

SPC observed soundings checked · Data: NOAA/SPC

Virginia 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.