UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 15 OCT 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 86 225 5 SFC 997 110 2.4 0.7 89 1.7 1.7 225 5 275.8 276.5 275.0 286.8 4.03 2 986 199 0.8 -1.7 83 2.5 -0.2 232 7 275.1 275.6 273.7 284.4 3.42 3 953 471 0.6 -1.7 85 2.3 -0.3 252 12 277.5 278.1 275.3 287.3 3.54 4 925 709 -1.1 -3.7 82 2.6 -2.1 270 17 278.2 278.7 275.0 286.9 3.14 5 862 1271 -4.7 -6.6 87 1.9 -5.4 295 14 280.1 280.6 275.5 287.7 2.70 6 856 1326 -3.3 -5.0 88 1.7 -4.0 298 13 282.1 282.6 277.1 290.8 3.08 7 850 1382 -3.3 -4.8 89 1.5 -3.9 300 13 282.7 283.2 277.4 291.6 3.14 8 830 1570 -3.7 -6.1 83 2.4 -4.6 299 13 284.2 284.7 277.9 292.6 2.92 9 728 2591 -11.5 -14.2 80 2.7 -12.3 292 11 286.5 286.8 277.5 291.7 1.75 10 724 2633 -11.3 -13.9 81 2.6 -12.1 292 11 287.2 287.5 277.9 292.5 1.80 11 721 2665 -9.5 -12.6 78 3.1 -10.5 292 11 289.5 289.9 279.3 295.5 2.01 12 700 2893 -10.5 -18.5 52 8.0 -12.6 290 11 290.9 291.1 279.0 294.7 1.27 13 664 3297 -12.3 -25.3 33 13.0 -15.0 299 13 293.3 293.4 279.4 295.6 0.74 14 602 4042 -15.3 -23.3 50 8.0 -17.1 317 17 298.1 298.3 281.8 301.2 0.97 15 500 5420 -23.7 -28.5 65 4.8 -24.5 350 25 304.1 304.3 284.0 306.6 0.73 16 441 6329 -29.3 -33.3 68 4.0 -29.8 353 35 308.2 308.3 285.3 310.0 0.52 17 400 7020 -34.1 -38.5 64 4.4 -34.6 355 42 310.7 310.7 286.0 311.9 0.34 18 399 7038 -34.5 -38.9 64 4.4 -34.9 355 42 310.4 310.4 285.9 311.5 0.33 19 377 7433 -35.9 -40.3 64 4.4 -36.3 356 47 313.6 313.7 287.0 314.7 0.30 20 330 8344 -43.3 -48.3 58 5.0 -43.6 358 58 315.6 315.6 287.5 316.2 0.15 21 304 8892 -46.5 -51.5 57 5.0 -46.7 360 65 318.6 318.6 288.4 319.0 0.11 22 300 8980 -47.3 -52.3 56 5.0 -47.5 360 66 318.7 318.7 288.4 319.1 0.10 23 250 10150 -56.8 -61.8 53 5.0 -56.9 10 79 321.6 321.6 289.3 321.8 0.04 24 241 10381 -58.7 -63.7 52 5.0 -58.7 10 77 322.2 322.2 289.5 322.3 0.03 25 232 10621 -56.3 -62.3 47 6.0 -56.4 8 69 329.3 329.3 291.6 329.5 0.04 26 200 11570 -52.9 -58.9 48 6.0 -53.1 360 40 349.0 349.0 296.5 349.3 0.07 27 150 13430 -52.3 -64.3 22 12.0 -52.7 350 27 380.0 380.0 302.3 380.2 0.04 28 148 13516 -51.9 -63.9 22 12.0 -52.3 350 27 382.1 382.1 302.6 382.3 0.05 29 100 16030 -54.1 -71.1 11 17.0 -54.6 340 15 423.2 423.2 308.1 423.3 0.03 30 96 16291 -53.9 -71.9 9 18.0 -54.5 338 15 428.6 428.6 308.7 428.7 0.02 31 70 18300 -57.1 -77.1 6 20.0 -57.6 325 11 462.2 462.2 312.0 462.3 0.02 32 50 20420 -58.7 -79.7 5 21.0 -59.3 340 13 505.2 505.2 315.3 505.2 0.01 33 35 22655 -60.3 -82.3 4 22.0 -61.0 347 10 555.2 555.2 318.4 555.3 0.01 34 30 23620 -58.9 -80.9 4 22.0 -59.9 350 9 584.1 584.1 319.9 584.2 0.02 35 20 26160 -56.9 -79.9 4 23.0 -58.7 335 9 662.0 662.0 323.2 662.3 0.03 36 16 27574 -59.1 -82.1 4 23.0 -60.8 324 15 698.5 698.5 324.4 698.7 0.03 37 11 29949 -56.1 -79.1 4 23.0 -59.1 305 25 788.4 788.4 327.0 789.0 0.07 38 10 30560 -54.1 -78.1 4 24.0 -57.9 300 27 817.6 817.6 327.7 818.5 0.09 39 8.5 31613 -49.7 -74.7 4 25.0 -55.6 873.7 873.8 329.0 875.6 0.18 40 6.6 33268 -49.9 -74.9 4 25.0 -56.6 938.4 938.6 330.2 941.0 0.22 TRP 241 10381 -58.7 -63.7 52 5.0 -58.7 10 77 322.2 322.2 289.5 322.3 0.03 WND 250 10150 -56.8 -61.8 53 5.0 -56.9 10 79 321.6 321.6 289.3 321.8 0.04 Sounding variables and indices 1000-500 mb thick: 5334.00 m Freezing level: 943.12 mb = 555.23 m = 1821.61 ft Wetbulb zero: 987.26 mb = 188.93 m = 619.85 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 66.62 % Est. max temperature: 9.52 C = 49.14 F Sfc-Lift cond lev (LCL): 970.98 mb = 321.95 m = 1056.25 ft T: 0.71 C 700-500 lapse rate: 5.22 C/km ThetaE index: 2.37 C Layer 986.0- 953.0 mb Conv cond level (CCL): 881.69 mb = 1090.88 m = 3578.96 ft Mean mixing ratio: 3.34 g/kg Conv temperature: 6.10 C = 42.98 F Cap Strength: 11.87 C Lifted Index: 15.13 C Risk: None Lifted Index @300 mb: 22.82 C Lifted Index @700 mb: 7.47 C Showalter Index: 11.32 C Risk: None Total Totals Index: 39.30 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 18.90 C K Index: 7.60 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.89 J/kg Max Up Vert Vel: 5.64 m/s Conv Inhibition (B-): 69521.77 J/kg Cap Strength: 15.12 C Lift Cond Lev (LCL): 911.20 mb = 828.72 m = 2718.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 13 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 ---------------------------------------------------------- 0 997 110 225 5 3.5 3.5 | 185 16 1.5 15.9 1 925 709 270 17 17.0 -0.0 | 230 19 15.0 12.4 2 850 1382 300 13 11.3 -6.5 | 237 11 9.2 5.9 3 700 2893 290 11 10.3 -3.8 | 224 12 8.3 8.6 4 500 5420 350 25 4.3 -24.6 | 349 12 2.3 -12.2 5 400 7020 355 42 3.7 -41.8 | 357 29 1.6 -29.4 6 300 8980 360 66 -0.0 -66.0 | 2 54 -2.0 -53.6 7 250 10150 10 79 -13.7 -77.8 | 14 67 -15.7 -65.4 8 241 10381 10 77 -13.4 -75.8 | 14 65 -15.4 -63.4 9 200 11570 360 40 -0.0 -40.0 | 4 28 -2.0 -27.6 10 150 13430 350 27 4.7 -26.6 | 349 14 2.7 -14.2 11 100 16030 340 15 5.1 -14.1 | 299 4 3.1 -1.7 12 70 18300 325 11 6.3 -9.0 | 232 5 4.3 3.4 13 50 20420 340 13 4.4 -12.2 | 266 2 2.4 0.2 14 30 23620 350 9 1.6 -8.9 | 173 4 -0.5 3.5 15 20 26160 335 9 3.8 -8.2 | 203 5 1.8 4.2 16 10 30560 300 27 23.4 -13.5 | 273 21 21.4 -1.1 Wind Parameters Mean winds (0-6000m): 320.7 at 16.7 knts Storm direction: 350.7 at 12.6 knts Shear (0-3000m) pos: 2.3 neg: 0.3 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 46.0 deg Storm rel helicity (0-3000m) pos: 83.0 neg: -7.9 tot: 75.1 m^2/s^2 ave: 25.0 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.53 Bulk Shear: 29.99 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 ------------------------------------------------------------------------------- 500 258 10 208 16| 11.8 0.0 11.8| 54.9 0.0 54.9 109.9 0.95| 12.4 11.8 1000 269 13 221 17| 6.7 0.0 6.7| 77.6 0.0 77.6 77.6 0.79| 10.5 8.3 1500 278 13 226 15| 4.2 0.0 4.2| 78.6 -1.3 77.3 51.5 0.66| 8.3 5.5 2000 283 13 228 14| 3.2 0.3 3.4| 78.6 -4.0 74.6 37.3 0.60| 6.5 3.9 2500 285 13 228 14| 2.5 0.4 2.9| 78.6 -6.7 71.8 28.7 0.54| 5.4 2.9 3000 286 12 228 13| 2.3 0.3 2.6| 83.0 -7.9 75.1 25.0 0.55| 4.8 2.6 4000 293 13 234 12| 2.7 0.2 2.9|105.5 -7.9 97.6 24.4 0.64| 4.7 3.0 5000 307 15 249 10| 2.9 0.2 3.1|131.7 -7.9 123.8 24.8 0.72| 4.8 3.4 6000 321 17 274 9| 3.2 0.2 3.4|146.1 -7.9 138.2 23.0 0.66| 4.9 3.2 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251015.12.gif