UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 24 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 103 SFC 981 256 -0.3 -8.3 55 8.0 -3.0 255 3 274.4 274.7 271.2 280.2 2.08 2 925 721 -6.3 -10.8 70 4.5 -7.6 280 21 272.9 273.2 269.9 277.9 1.81 3 850 1375 -11.5 -14.4 79 2.9 -12.2 280 21 274.1 274.3 270.1 278.3 1.47 4 849 1384 -11.5 -14.4 79 2.9 -12.2 280 21 274.2 274.4 270.1 278.4 1.47 5 715 2675 -21.5 -26.5 64 5.0 -22.2 280 21 277.0 277.1 270.4 278.8 0.61 6 700 2831 -22.5 -28.5 58 6.0 -23.3 280 21 277.6 277.7 270.6 279.1 0.52 7 645 3426 -26.9 -33.9 52 7.0 -27.6 273 23 279.2 279.2 271.2 280.2 0.34 8 612 3804 -28.3 -35.3 51 7.0 -29.0 268 24 281.8 281.8 272.8 282.7 0.31 9 500 5230 -36.1 -45.1 39 9.0 -36.6 250 29 289.0 289.0 276.4 289.5 0.14 10 450 5954 -40.5 -50.5 33 10.0 -40.9 238 32 292.3 292.4 278.0 292.6 0.08 11 400 6750 -44.1 -55.1 28 11.0 -44.5 225 36 297.7 297.7 280.4 297.9 0.05 12 389 6937 -45.1 -56.1 28 11.0 -45.4 220 46 298.7 298.8 280.8 298.9 0.05 13 356 7532 -44.3 -56.3 25 12.0 -44.7 222 45 307.5 307.5 284.4 307.7 0.05 14 300 8680 -45.5 -60.5 17 15.0 -45.9 225 44 321.2 321.2 289.2 321.4 0.04 15 250 9890 -46.3 -62.3 15 16.0 -46.8 230 36 337.2 337.2 293.7 337.4 0.04 16 200 11370 -47.5 -65.5 11 18.0 -48.1 215 27 357.6 357.6 298.2 357.7 0.03 17 156 13011 -47.5 -66.5 10 19.0 -48.2 254 18 383.9 383.9 302.9 384.0 0.03 18 150 13270 -47.3 -66.3 10 19.0 -48.1 260 17 388.6 388.6 303.6 388.7 0.03 19 148 13359 -46.9 -65.9 10 19.0 -47.7 259 17 390.7 390.8 303.9 390.9 0.04 20 138 13820 -50.3 -69.3 9 19.0 -50.9 255 16 392.7 392.7 304.2 392.8 0.02 21 131 14160 -50.7 -69.7 9 19.0 -51.3 252 15 397.8 397.8 304.9 397.9 0.02 22 126 14413 -50.7 -69.7 9 19.0 -51.4 249 14 402.3 402.3 305.5 402.4 0.03 23 100 15920 -50.9 -69.9 9 19.0 -51.7 235 11 429.4 429.4 308.8 429.5 0.03 24 74 17879 -50.9 -70.9 8 20.0 -52.0 235 11 468.0 468.0 312.5 468.2 0.04 25 70 18240 -51.9 -71.9 7 20.0 -52.9 235 11 473.4 473.4 313.0 473.5 0.03 26 61 19139 -48.7 -68.7 8 20.0 -50.2 215 9 499.5 499.5 314.9 499.9 0.06 27 50 20440 -51.1 -71.1 7 20.0 -52.5 185 5 523.1 523.1 316.5 523.4 0.05 28 45 21125 -51.5 -71.5 7 20.0 -53.0 538.1 538.1 317.4 538.4 0.05 29 32 23347 -49.7 -68.7 9 19.0 -52.0 598.0 598.1 320.6 598.9 0.11 TRP 389 6937 -45.1 -56.1 28 11.0 -45.4 220 46 298.7 298.8 280.8 298.9 0.05 WND Sounding variables and indices 1000-500 mb thick: 5127.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 59.28 % Est. max temperature: -0.09 C = 31.84 F Sfc-Lift cond lev (LCL): 865.36 mb = 1236.49 m = 4056.67 ft T: -10.40 C 700-500 lapse rate: 5.67 C/km ThetaE index: 2.23 C Layer 925.0- 850.0 mb Conv cond level (CCL): 845.34 mb = 1416.53 m = 4647.34 ft Mean mixing ratio: 1.84 g/kg Conv temperature: -0.39 C = 31.30 F Cap Strength: 3.91 C Lifted Index: 8.94 C Risk: None Lifted Index @300 mb: 30.24 C Lifted Index @700 mb: 1.24 C Showalter Index: 9.17 C Risk: None Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 21.70 C K Index: 4.20 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.18 J/kg Max Up Vert Vel: 0.60 m/s Conv Inhibition (B-): 46461.17 J/kg Cap Strength: 8.63 C Lift Cond Lev (LCL): 855.93 mb = 1321.19 m = 4334.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 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 ---------------------------------------------------------- 0 981 256 255 3 2.9 0.8 | 120 16 -13.5 7.9 1 925 721 280 21 20.7 -3.6 | 231 5 4.3 3.4 2 850 1375 280 21 20.7 -3.6 | 231 5 4.3 3.4 3 700 2831 280 21 20.7 -3.6 | 231 5 4.3 3.4 4 500 5230 250 29 27.3 9.9 | 213 20 10.8 17.0 5 400 6750 225 36 25.5 25.5 | 196 34 9.0 32.5 6 389 6937 220 46 29.6 35.2 | 197 44 13.2 42.3 7 300 8680 225 44 31.1 31.1 | 201 41 14.7 38.2 8 250 9890 230 36 27.6 23.1 | 200 32 11.2 30.2 9 200 11370 215 27 15.5 22.1 | 178 29 -0.9 29.2 10 150 13270 260 17 16.7 3.0 | 182 10 0.3 10.0 11 100 15920 235 11 9.0 6.3 | 151 15 -7.4 13.4 12 70 18240 235 11 9.0 6.3 | 151 15 -7.4 13.4 13 50 20440 185 5 0.4 5.0 | 127 20 -16.0 12.1 Wind Parameters Mean winds (0-6000m): 263.4 at 23.8 knts Storm direction: 293.4 at 17.9 knts Shear (0-3000m) pos: 3.1 neg: 0.4 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 108.2 deg Storm rel helicity (0-3000m) pos: 33.4 neg: -0.6 tot: 32.8 m^2/s^2 ave: 10.9 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 18.96 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 ------------------------------------------------------------------------------- 500 277 13 145 7| 18.9 0.0 18.9| 33.4 0.0 33.4 66.7 0.79| 19.6 15.5 1000 279 17 183 4| 9.4 0.0 9.4| 33.4 0.0 33.4 33.4 0.79| 9.8 7.7 1500 279 18 201 4| 6.3 0.0 6.3| 33.4 0.0 33.4 22.2 0.79| 6.5 5.2 2000 280 19 210 5| 4.7 0.0 4.7| 33.4 0.0 33.4 16.7 0.79| 4.9 3.9 2500 280 19 215 5| 3.8 0.0 3.8| 33.4 0.0 33.4 13.3 0.79| 3.9 3.1 3000 279 20 218 5| 3.1 0.4 3.6| 33.4 -0.6 32.8 10.9 0.68| 3.7 2.5 4000 276 21 221 7| 2.4 1.1 3.5| 33.4 -5.0 28.4 7.1 0.48| 3.6 1.7 5000 270 22 220 9| 1.9 1.6 3.5| 33.4 -16.6 16.7 3.3 0.31| 3.6 1.1 6000 263 24 216 12| 1.6 2.1 3.7| 33.4 -48.6 -15.2 -2.5 0.13| 3.8 0.5 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250424.12.gif