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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 Cape Canaveral, FL (XMR), 00Z. Its levels are in the table below.
Observed Sounding at Cape Canaveral, FL (XMR), 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 (60)
Cape Canaveral, FL (XMR): the surface first, then up through the atmosphere. Temperature and dew point in °C, as measured.
PressureHeightTemperatureDew pointWind
1014 mb3 m28.025.4150° 2 kt
1000 mb130 m26.822.9135° 10 kt
980 mb305 m25.322.2145° 14 kt
950 mb582 m23.021.1—
925 mb815 m21.818.2120° 8 kt
915 mb914 m21.517.2110° 7 kt
883 mb1219 m19.416.2100° 4 kt
850 mb1546 m17.015.4210° 3 kt
840 mb1647 m16.215.1—
822 mb1829 m15.114.3270° 7 kt
797 mb2094 m13.613.0—
765 mb2438 m12.011.2240° 11 kt
738 mb2743 m10.89.6230° 15 kt
711 mb3048 m9.77.6240° 13 kt
700 mb3182 m9.46.2230° 12 kt
686 mb3350 m9.03.0—
661 mb3658 m7.10.9235° 13 kt
642 mb3896 m6.00.0—
623 mb4142 m4.4-0.6—
569 mb4877 m0.1-4.9205° 13 kt
534 mb5381 m-2.9-7.8—
522 mb5561 m-3.7-12.7—
508 mb5775 m-4.9-9.9—
500 mb5900 m-5.7-11.7205° 13 kt
488 mb6096 m-6.6-15.3205° 16 kt
476 mb6286 m-7.7-12.7—
466 mb6451 m-8.9-12.2—
451 mb6706 m-10.5-20.5225° 17 kt
436 mb6965 m-12.1-16.5—
426 mb7142 m-13.5-16.4—
416 mb7323 m-15.1-16.8—
406 mb7507 m-14.9-32.9—
400 mb7620 m-15.5-37.5230° 19 kt
377 mb8063 m-18.9-37.9—
354 mb8534 m-22.4-36.0250° 20 kt
343 mb8758 m-24.1-35.1—
329 mb9060 m-26.1-31.0—
306 mb9579 m-29.9-39.9—
300 mb9720 m-30.5-42.5245° 20 kt
280 mb10207 m-34.3-48.3—
262 mb10668 m-38.4-50.6255° 31 kt
251 mb10973 m-41.0-52.0260° 34 kt
250 mb10990 m-41.1-52.1260° 34 kt
240 mb11278 m-43.6-54.3260° 36 kt
229 mb11582 m-46.3-56.6260° 35 kt
209 mb12192 m-51.7-60.2260° 46 kt
200 mb12470 m-53.9-59.9260° 47 kt
156 mb14021 m-62.4—195° 30 kt
150 mb14270 m-63.7—190° 33 kt
130 mb15137 m-69.7——
115 mb15850 m-72.5—225° 18 kt
103 mb16508 m-75.1—200° 14 kt
100 mb16680 m-74.7—175° 12 kt
86 mb17577 m-76.1——
71 mb18693 m-72.5——
57 mb19995 m-62.7——
38 mb22473 m-57.7——
26 mb25077 m-55.1——
14 mb28923 m-50.9——
8 mb32487 m-42.7——
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.