UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 12 DEC 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 -8 45 21 SFC 998 8 -5.5 -6.3 94 0.8 -5.8 45 21 267.8 268.2 267.5 274.2 2.39 2 938 489 -9.1 -14.1 67 5.0 -10.4 53 38 268.9 269.2 266.5 272.7 1.37 3 925 597 -9.9 -14.9 67 5.0 -11.1 55 42 269.2 269.4 266.5 272.8 1.30 4 850 1242 -15.7 -19.4 73 3.7 -16.4 45 44 269.7 269.9 266.3 272.4 0.97 5 837 1358 -16.9 -20.0 77 3.1 -17.5 45 42 269.6 269.8 266.2 272.3 0.93 6 820 1512 -15.5 -18.5 78 3.0 -16.1 44 40 272.7 272.9 268.5 275.8 1.08 7 740 2281 -19.9 -23.4 74 3.5 -20.5 41 30 276.0 276.2 270.1 278.3 0.78 8 700 2690 -23.7 -27.5 71 3.8 -24.2 40 25 276.2 276.3 269.9 278.0 0.57 9 630 3449 -30.9 -34.3 72 3.4 -31.2 35 20 276.5 276.5 269.6 277.5 0.33 10 613 3644 -31.3 -34.5 73 3.2 -31.6 34 19 278.2 278.2 270.7 279.2 0.33 11 500 5060 -40.7 -48.7 42 8.0 -41.0 25 9 283.4 283.4 273.3 283.7 0.09 12 400 6550 -49.7 -59.7 30 10.0 -49.9 310 5 290.4 290.4 276.9 290.5 0.03 13 398 6583 -49.7 -59.7 30 10.0 -49.9 308 5 290.8 290.8 277.1 290.9 0.03 14 383 6834 -50.7 -60.7 30 10.0 -50.9 292 7 292.7 292.7 278.0 292.8 0.03 15 368 7094 -51.3 -61.3 29 10.0 -51.5 275 9 295.3 295.3 279.3 295.4 0.03 16 300 8420 -51.9 -61.9 29 10.0 -52.1 265 13 312.2 312.2 286.1 312.3 0.03 17 269 9126 -53.5 -64.5 25 11.0 -53.7 283 18 319.8 319.8 288.7 319.9 0.02 18 250 9600 -52.5 -63.5 25 11.0 -52.7 295 21 328.0 328.0 291.2 328.1 0.03 19 230 10139 -51.1 -63.1 23 12.0 -51.4 297 20 338.1 338.1 293.9 338.2 0.03 20 200 11040 -53.5 -65.5 22 12.0 -53.8 300 19 348.0 348.1 296.2 348.2 0.03 21 150 12880 -56.9 -70.9 15 14.0 -57.2 305 27 372.0 372.0 300.9 372.1 0.02 22 101 15349 -62.3 -76.3 14 14.0 -62.5 325 29 406.2 406.2 306.0 406.3 0.01 23 100 15410 -62.5 -76.5 14 14.0 -62.7 325 29 407.0 407.0 306.1 407.0 0.01 24 70 17580 -67.3 -81.3 12 14.0 -67.4 325 38 440.4 440.4 309.9 440.4 0.01 25 53 19244 -70.5 -84.5 11 14.0 -70.6 469.5 469.5 312.6 469.5 0.01 TRP 368 7094 -51.3 -61.3 29 10.0 -51.5 275 9 295.3 295.3 279.3 295.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5068.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 68.90 % Est. max temperature: -3.62 C = 25.49 F Sfc-Lift cond lev (LCL): 985.24 mb = 107.69 m = 353.30 ft T: -6.25 C 700-500 lapse rate: 7.17 C/km ThetaE index: 1.50 C Layer 938.0- 925.0 mb Conv cond level (CCL): 888.53 mb = 903.88 m = 2965.44 ft Mean mixing ratio: 1.62 g/kg Conv temperature: -3.86 C = 25.05 F Cap Strength: 5.07 C Lifted Index: 8.62 C Risk: None Lifted Index @300 mb: 27.65 C Lifted Index @700 mb: 4.23 C Showalter Index: 9.20 C Risk: None Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 21.30 C K Index: 1.80 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 2.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.23 J/kg Max Up Vert Vel: 3.53 m/s Conv Inhibition (B-): 30349.29 J/kg Cap Strength: 8.34 C Lift Cond Lev (LCL): 898.46 mb = 819.07 m = 2687.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 72 at 18 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 998 8 45 21 -14.8 -14.8 | 348 9 1.9 -9.3 1 925 597 55 42 -34.4 -24.1 | 44 26 -17.6 -18.5 2 850 1242 45 44 -31.1 -31.1 | 29 29 -14.3 -25.5 3 700 2690 40 25 -16.1 -19.2 | 357 14 0.7 -13.6 4 500 5060 25 9 -3.8 -8.2 | 281 13 13.0 -2.6 5 400 6550 310 5 3.8 -3.2 | 263 21 20.6 2.4 6 368 7094 275 9 9.0 -0.8 | 259 26 25.7 4.8 7 300 8420 265 13 13.0 1.1 | 257 30 29.7 6.7 8 250 9600 295 21 19.0 -8.9 | 275 36 35.8 -3.3 9 200 11040 300 19 16.5 -9.5 | 277 33 33.2 -3.9 10 150 12880 305 27 22.1 -15.5 | 284 40 38.9 -9.9 11 100 15410 325 29 16.6 -23.8 | 299 38 33.4 -18.2 12 70 17580 325 38 21.8 -31.1 | 304 46 38.6 -25.6 Wind Parameters Mean winds (0-6000m): 41.6 at 23.6 knts Storm direction: 71.6 at 17.7 knts Shear (0-3000m) pos: 3.1 neg: 3.1 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): -0.5 deg Storm rel helicity (0-3000m) pos: 58.8 neg: -115.0 tot: -56.2 m^2/s^2 ave: -18.7 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.81 Bulk Shear: 7.71 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 51 30 26 15| 18.8 0.0 18.8| 48.4 0.0 48.4 96.8 0.68| 19.0 12.8 1000 52 36 35 20| 9.4 2.9 12.3| 58.8 -29.8 29.0 29.0 0.37| 13.7 5.1 1500 49 38 33 23| 6.3 2.3 8.6| 58.8 -60.7 -1.8 -1.2 0.18| 11.2 2.0 2000 48 38 30 23| 4.7 2.2 6.9| 58.8 -81.7 -22.9 -11.4 0.06| 10.1 0.6 2500 47 37 27 22| 3.8 2.8 6.6| 58.8-100.9 -42.1 -16.8 -0.04| 9.4 -0.4 3000 46 35 24 20| 3.1 3.1 6.2| 58.8-115.0 -56.2 -18.7 -0.11| 8.7 -1.0 4000 45 31 16 17| 2.4 3.2 5.5| 58.8-137.0 -78.2 -19.5 -0.22| 7.4 -1.6 5000 43 27 7 14| 1.9 3.2 5.1| 58.8-158.6 -99.8 -20.0 -0.30| 6.6 -2.0 6000 42 24 355 12| 1.6 3.2 4.8| 58.8-173.5-114.7 -19.1 -0.32| 6.2 -1.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251212.00.gif