UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 23 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1015 2 -11.3 -13.9 81 2.6 -11.9 240 1 260.7 260.9 260.4 264.2 1.28 1 1013 17 -7.9 -12.8 68 4.9 -9.1 241 1 264.3 264.5 263.3 268.1 1.41 2 1000 117 -6.1 -9.4 77 3.3 -7.1 250 1 267.0 267.4 266.1 272.1 1.87 3 989 204 -5.5 -8.8 78 3.3 -6.5 246 1 268.5 268.8 267.3 273.9 1.98 4 981 268 -1.9 -5.2 78 3.3 -3.1 243 1 272.7 273.2 271.1 280.0 2.64 5 967 383 0.8 -2.4 79 3.2 -0.4 237 1 276.6 277.1 274.4 285.7 3.31 6 929 706 2.2 -3.8 64 6.0 -0.2 222 1 281.2 281.7 276.6 290.0 3.10 7 925 741 2.0 -4.0 64 6.0 -0.4 220 1 281.4 281.9 276.7 290.0 3.07 8 850 1417 -2.1 -10.1 54 8.0 -4.8 195 5 283.9 284.3 276.6 290.0 2.08 9 810 1798 -4.5 -12.5 54 8.0 -7.0 190 14 285.3 285.7 277.0 290.7 1.80 10 768 2217 -4.9 -13.9 49 9.0 -7.7 185 23 289.3 289.6 278.8 294.4 1.70 11 746 2445 -4.5 -18.5 33 14.0 -8.4 182 29 292.1 292.3 279.4 295.8 1.19 12 709 2844 -7.1 -32.1 12 25.0 -11.8 176 38 293.5 293.6 279.0 294.8 0.37 13 700 2943 -7.9 -32.9 11 25.0 -12.5 175 40 293.7 293.8 279.0 294.9 0.34 14 659 3408 -11.5 -33.5 14 22.0 -15.2 173 42 294.8 294.9 279.5 295.9 0.34 15 562 4603 -21.5 -42.5 13 21.0 -23.7 168 47 296.7 296.8 280.1 297.3 0.16 16 500 5450 -29.1 -40.1 34 11.0 -30.1 165 50 297.6 297.6 280.6 298.4 0.23 17 486 5653 -29.7 -38.7 41 9.0 -30.6 165 51 299.2 299.3 281.4 300.2 0.28 18 455 6122 -32.3 -43.3 33 11.0 -33.1 165 54 301.7 301.7 282.3 302.3 0.18 19 400 7020 -39.7 -52.7 24 13.0 -40.2 165 60 303.4 303.4 282.8 303.7 0.07 20 326 8376 -51.5 -62.5 26 11.0 -51.7 169 67 305.4 305.4 283.6 305.5 0.03 21 318 8537 -52.4 -63.1 26 10.7 -52.6 170 68 306.3 306.4 284.0 306.4 0.02 22 300 8910 -54.5 -64.5 28 10.0 -54.6 170 68 308.5 308.5 284.8 308.6 0.02 23 276 9442 -57.7 -67.7 27 10.0 -57.8 165 66 311.3 311.4 285.8 311.4 0.02 24 250 10070 -56.9 -66.9 27 10.0 -57.1 165 58 321.5 321.5 289.2 321.5 0.02 25 244 10224 -57.3 -67.3 27 10.0 -57.4 164 55 323.1 323.1 289.8 323.2 0.02 26 230 10602 -52.3 -62.3 29 10.0 -52.5 163 49 336.2 336.2 293.4 336.4 0.04 27 214 11066 -54.5 -64.5 28 10.0 -54.7 162 42 339.8 339.8 294.3 340.0 0.03 28 200 11500 -53.3 -63.3 29 10.0 -53.5 160 35 348.4 348.4 296.3 348.5 0.04 29 187 11936 -49.3 -60.3 27 11.0 -49.7 161 34 361.6 361.6 299.1 361.9 0.06 30 164 12790 -51.9 -64.9 20 13.0 -52.3 163 32 371.1 371.1 300.8 371.2 0.04 31 150 13370 -49.5 -63.5 18 14.0 -50.1 165 31 384.8 384.8 303.1 385.0 0.05 32 144 13638 -48.5 -63.5 16 15.0 -49.1 166 29 391.0 391.0 304.0 391.3 0.05 33 116 15052 -50.7 -67.7 12 17.0 -51.4 171 18 411.9 411.9 306.7 412.1 0.04 34 100 16020 -49.7 -68.7 9 19.0 -50.6 175 11 431.7 431.7 309.0 431.9 0.04 35 70 18360 -48.9 -69.9 7 21.0 -50.3 165 11 479.8 479.8 313.4 480.0 0.04 36 62 19156 -49.3 -70.3 7 21.0 -50.7 495.8 495.8 314.7 496.1 0.05 TRP 276 9442 -57.7 -67.7 27 10.0 -57.8 165 66 311.3 311.4 285.8 311.4 0.02 WND 318 8537 -52.4 -63.1 26 10.7 -52.6 170 68 306.3 306.4 284.0 306.4 0.02 Sounding variables and indices 1000-500 mb thick: 5333.00 m Freezing level: Surface below freezing Freezing level: 971.15 mb = 348.95 m = 1144.83 ft Freezing level: 888.41 mb = 1070.76 m = 3512.94 ft Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 35.86 % Est. max temperature: 11.47 C = 52.65 F Sfc-Lift cond lev (LCL): 973.35 mb = 330.63 m = 1084.74 ft T: -0.43 C 700-500 lapse rate: 8.46 C/km ThetaE index: 1.06 C Layer 709.0- 700.0 mb Conv cond level (CCL): 1013.00 mb = 16.82 m = 55.19 ft Mean mixing ratio: 2.71 g/kg Conv temperature: -4.30 C = 24.26 F Cap Strength: 13.17 C Lifted Index: 12.95 C Risk: None Lifted Index @300 mb: 18.55 C Lifted Index @700 mb: 13.00 C Showalter Index: 7.09 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 19.00 C K Index: -8.10 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 1.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 74.63 J/kg Max Up Vert Vel: 12.22 m/s Conv Inhibition (B-): 30344.91 J/kg Cap Strength: 13.15 C Lift Cond Lev (LCL): 905.56 mb = 910.83 m = 2988.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 23 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 1015 2 240 1 0.9 0.5 | 19 22 -7.1 -20.7 1 1000 117 250 1 0.9 0.3 | 19 22 -7.1 -20.9 2 925 741 220 1 0.6 0.8 | 20 22 -7.4 -20.5 3 850 1417 195 5 1.3 4.8 | 22 18 -6.7 -16.4 4 700 2943 175 40 -3.5 39.8 | 148 22 -11.5 18.6 5 500 5450 165 50 -12.9 48.3 | 142 34 -21.0 27.1 6 400 7020 165 60 -15.5 58.0 | 147 44 -23.5 36.7 7 318 8537 170 68 -11.8 67.0 | 157 50 -19.8 45.7 8 300 8910 170 68 -11.8 67.0 | 157 50 -19.8 45.7 9 276 9442 165 66 -17.1 63.8 | 149 49 -25.1 42.5 10 250 10070 165 58 -15.0 56.0 | 147 42 -23.0 34.8 11 200 11500 160 35 -12.0 32.9 | 120 23 -20.0 11.7 12 150 13370 165 31 -8.0 29.9 | 119 18 -16.0 8.7 13 100 16020 175 11 -1.0 11.0 | 41 14 -9.0 -10.3 14 70 18360 165 11 -2.8 10.6 | 46 15 -10.9 -10.6 Wind Parameters Mean winds (0-6000m): 170.7 at 30.3 knts Storm direction: 200.7 at 22.7 knts Shear (0-3000m) pos: 0.0 neg: 6.8 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 129.2 deg Storm rel helicity (0-3000m) pos: 51.5 neg: -1.2 tot: 50.3 m^2/s^2 ave: 16.8 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.63 Bulk Shear: 118.66 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 ------------------------------------------------------------------------------- 500 242 1 19 22| 0.0 0.2 0.2| 1.3 -0.6 0.7 1.4 0.26| 0.5 0.1 1000 228 1 19 22| 0.0 0.9 0.9| 2.2 -1.2 1.0 1.0 0.08| 1.1 0.1 1500 207 2 20 21| 0.0 2.2 2.2| 8.5 -1.2 7.2 4.8 0.22| 2.3 0.5 2000 195 5 22 18| 0.0 4.6 4.6| 23.9 -1.2 22.7 11.3 0.41| 4.7 2.0 2500 186 9 29 15| 0.0 6.0 6.0| 41.5 -1.2 40.3 16.1 0.56| 6.2 3.5 3000 179 13 46 12| 0.0 6.8 6.8| 51.5 -1.2 50.3 16.8 0.47| 7.1 3.3 4000 176 20 84 10| 0.0 5.6 5.6| 51.5 -7.3 44.2 11.1 0.40| 5.9 2.4 5000 173 26 112 12| 0.0 4.9 4.9| 51.5 -17.6 33.9 6.8 0.33| 5.3 1.8 6000 171 30 124 16| 0.0 4.6 4.6| 63.1 -23.1 39.9 6.7 0.31| 4.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250423.12.gif