UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 16 APR 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 79 SFC 978 258 1.2 -15.8 27 17.0 -3.6 225 9 276.1 276.3 270.8 279.4 1.14 2 944 541 -1.5 -18.5 26 17.0 -5.8 222 20 276.2 276.3 270.5 278.9 0.94 3 925 703 -2.9 -19.9 26 17.0 -7.0 220 27 276.3 276.5 270.4 278.8 0.85 4 850 1364 -9.5 -22.5 34 13.0 -12.2 220 29 276.2 276.3 270.1 278.4 0.74 5 800 1828 -13.9 -23.9 43 10.0 -15.7 239 30 276.3 276.5 270.2 278.4 0.69 6 746 2354 -17.5 -23.5 59 6.0 -18.6 260 32 278.0 278.1 271.3 280.3 0.77 7 722 2600 -16.1 -20.6 68 4.5 -17.0 270 32 282.1 282.3 274.1 285.2 1.03 8 700 2832 -17.3 -20.8 74 3.5 -18.0 280 33 283.3 283.5 274.8 286.4 1.04 9 693 2907 -17.9 -21.4 74 3.5 -18.6 281 33 283.5 283.6 274.8 286.5 1.00 10 591 4087 -23.1 -27.0 70 3.9 -23.7 295 40 290.6 290.8 278.1 292.9 0.71 11 530 4881 -26.1 -30.3 68 4.2 -26.7 305 44 296.2 296.3 280.5 298.1 0.58 12 500 5300 -29.3 -33.9 64 4.6 -29.8 310 46 297.3 297.4 280.8 298.8 0.43 13 400 6850 -41.1 -46.1 58 5.0 -41.3 315 62 301.6 301.6 282.2 302.1 0.15 14 345 7837 -48.7 -53.7 56 5.0 -48.8 315 72 304.3 304.3 283.2 304.6 0.07 15 305 8635 -55.3 -60.1 55 4.8 -55.4 315 80 305.9 306.0 283.8 306.1 0.04 16 300 8740 -55.3 -60.1 55 4.8 -55.4 315 81 307.4 307.4 284.4 307.5 0.04 17 298 8783 -55.5 -60.3 55 4.8 -55.6 315 83 307.7 307.7 284.5 307.9 0.04 18 276 9271 -57.5 -62.2 55 4.7 -57.6 320 60 311.6 311.6 285.9 311.8 0.03 19 250 9900 -55.7 -60.6 54 4.9 -55.8 305 46 323.3 323.3 289.8 323.4 0.04 20 240 10162 -54.5 -59.5 54 5.0 -54.6 303 45 328.9 328.9 291.5 329.1 0.05 21 207 11117 -53.1 -59.1 48 6.0 -53.3 297 43 345.3 345.3 295.6 345.5 0.06 22 200 11340 -51.5 -58.5 43 7.0 -51.7 295 42 351.2 351.2 297.0 351.5 0.07 23 190 11674 -48.5 -55.5 44 7.0 -48.8 293 41 361.2 361.3 299.0 361.7 0.11 24 150 13220 -49.9 -60.9 26 11.0 -50.4 285 35 384.1 384.1 302.9 384.4 0.07 25 116 14906 -49.7 -64.7 16 15.0 -50.4 275 31 413.8 413.8 307.0 414.0 0.05 26 100 15880 -49.7 -65.7 14 16.0 -50.5 270 29 431.7 431.7 309.0 432.0 0.06 27 94 16286 -47.7 -64.7 12 17.0 -48.8 268 27 443.3 443.4 310.3 443.7 0.07 28 89 16644 -49.7 -66.7 12 17.0 -50.7 267 25 446.3 446.3 310.6 446.6 0.05 29 75 17767 -47.7 -65.7 11 18.0 -49.1 262 19 472.9 472.9 312.9 473.4 0.07 30 70 18220 -49.3 -68.3 9 19.0 -50.5 260 17 478.9 478.9 313.4 479.2 0.06 31 67 18506 -51.1 -69.1 10 18.0 -52.2 262 16 481.1 481.1 313.5 481.4 0.05 32 63 18909 -48.7 -67.7 9 19.0 -50.1 265 16 494.9 494.9 314.6 495.3 0.07 33 50 20420 -51.7 -70.7 9 19.0 -53.0 275 13 521.6 521.7 316.4 522.0 0.06 34 48 20685 -50.9 -70.9 8 20.0 -52.4 529.7 529.7 316.9 530.0 0.06 TRP 276 9271 -57.5 -62.2 55 4.7 -57.6 320 60 311.6 311.6 285.9 311.8 0.03 WND 298 8783 -55.5 -60.3 55 4.8 -55.6 315 83 307.7 307.7 284.5 307.9 0.04 Sounding variables and indices 1000-500 mb thick: 5221.00 m Freezing level: 962.89 mb = 383.98 m = 1259.75 ft Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 56.27 % Est. max temperature: 1.36 C = 34.45 F Sfc-Lift cond lev (LCL): 748.80 mb = 2326.16 m = 7631.66 ft T: -17.31 C 700-500 lapse rate: 4.86 C/km ThetaE index: 1.02 C Layer 944.0- 800.0 mb Conv cond level (CCL): 549.06 mb = 4623.21 m = 15167.81 ft Mean mixing ratio: 0.90 g/kg Conv temperature: 19.39 C = 66.91 F Cap Strength: 15.01 C Lifted Index: 15.50 C Risk: None Lifted Index @300 mb: 20.21 C Lifted Index @700 mb: 6.18 C Showalter Index: 15.89 C Risk: None Total Totals Index: 26.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 6.80 C K Index: -6.20 Risk: None Sweat Index: 254.00 Risk: None Energy Index: 4.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.08 J/kg Max Up Vert Vel: 1.47 m/s Conv Inhibition (B-): 35234.84 J/kg Cap Strength: 15.42 C Lift Cond Lev (LCL): 715.13 mb = 2671.46 m = 8764.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 27 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 ---------------------------------------------------------- 0 978 258 225 9 6.4 6.4 | 153 29 -13.1 25.7 1 925 703 220 27 17.4 20.7 | 177 40 -2.1 40.0 2 850 1364 220 29 18.6 22.2 | 179 42 -0.8 41.6 3 700 2832 280 33 32.5 -5.7 | 224 19 13.0 13.6 4 500 5300 310 46 35.2 -29.6 | 303 19 15.8 -10.2 5 400 6850 315 62 43.8 -43.8 | 315 35 24.4 -24.5 6 300 8740 315 81 57.3 -57.3 | 315 54 37.8 -37.9 7 298 8783 315 83 58.7 -58.7 | 315 56 39.2 -39.3 8 276 9271 320 60 38.6 -46.0 | 324 33 19.1 -26.6 9 250 9900 305 46 37.7 -26.4 | 291 20 18.2 -7.0 10 200 11340 295 42 38.1 -17.7 | 265 19 18.6 1.6 11 150 13220 285 35 33.8 -9.1 | 234 18 14.3 10.3 12 100 15880 270 29 29.0 -0.0 | 206 22 9.5 19.4 13 70 18220 260 17 16.7 3.0 | 173 22 -2.7 22.3 14 50 20420 275 13 13.0 -1.1 | 160 19 -6.5 18.2 Wind Parameters Mean winds (0-6000m): 284.8 at 36.6 knts Storm direction: 314.8 at 27.5 knts Shear (0-3000m) pos: 6.0 neg: 3.4 tot: 9.4 10-3/s Storm rel Dir Shear (0-3000m): 82.1 deg Storm rel helicity (0-3000m) pos: 347.7 neg: 0.0 tot: 347.7 m^2/s^2 ave: 115.9 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 7.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 143.85 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 ------------------------------------------------------------------------------- 500 221 19 168 34| 0.0 18.7 18.7|123.3 0.0 123.3 246.7 0.77| 18.8 14.4 1000 220 23 174 37| 0.0 10.1 10.1|134.3 0.0 134.3 134.3 0.76| 10.2 7.7 1500 223 25 177 38| 2.9 6.8 9.6|205.8 0.0 205.8 137.2 0.77| 9.8 7.5 2000 230 27 181 37| 4.9 5.1 10.0|275.0 0.0 275.0 137.5 0.76| 10.2 7.7 2500 238 28 187 34| 6.1 4.1 10.1|324.2 0.0 324.2 129.7 0.73| 10.5 7.7 3000 247 29 193 32| 6.0 3.4 9.4|347.7 0.0 347.7 115.9 0.75| 9.7 7.2 4000 262 31 205 26| 5.7 2.5 8.2|390.1 0.0 390.1 97.5 0.78| 8.5 6.6 5000 275 34 221 22| 5.5 2.0 7.6|437.2 0.0 437.2 87.4 0.81| 7.9 6.4 6000 285 37 238 19| 5.5 1.7 7.2|460.7 0.0 460.7 76.8 0.75| 7.5 5.6 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250416.12.gif