UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 20 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 1013 -1 -7.1 -9.7 82 2.6 -7.8 100 7 265.1 265.4 264.6 269.9 1.80 1 1000 99 -8.7 -11.5 80 2.8 -9.4 115 5 264.5 264.7 263.7 268.7 1.58 2 974 303 -9.5 -11.8 83 2.3 -10.1 129 10 265.6 265.9 264.6 270.0 1.59 3 970 335 -7.7 -9.8 85 2.1 -8.3 131 10 267.8 268.1 266.6 272.9 1.87 4 953 473 -4.3 -5.9 89 1.6 -4.8 140 14 272.6 273.0 270.9 279.6 2.58 5 952 482 -3.5 -5.0 89 1.5 -4.0 140 14 273.5 273.9 271.8 281.0 2.76 6 950 498 -1.1 -2.8 88 1.7 -1.7 141 14 276.1 276.6 274.0 285.1 3.27 7 945 541 0.6 -1.0 89 1.6 -0.1 144 15 278.2 278.9 275.9 288.6 3.76 8 944 549 1.2 -0.4 89 1.6 0.5 145 15 278.9 279.6 276.5 289.8 3.93 9 928 687 2.4 -1.5 75 3.9 0.7 153 18 281.5 282.1 277.6 291.8 3.69 10 925 713 2.0 -4.0 64 6.0 -0.4 155 19 281.4 281.9 276.7 290.0 3.07 11 909 853 0.6 -7.4 55 8.0 -2.3 157 20 281.3 281.7 275.7 288.2 2.41 12 850 1388 -3.7 -12.7 50 9.0 -6.4 165 23 282.3 282.6 275.2 287.2 1.69 13 812 1747 -6.5 -15.5 49 9.0 -9.0 177 22 283.0 283.3 275.2 287.2 1.41 14 776 2101 -6.9 -19.9 35 13.0 -10.1 188 21 286.3 286.5 276.3 289.4 1.01 15 740 2470 -8.1 -16.1 53 8.0 -10.4 201 20 288.9 289.1 278.3 293.3 1.47 16 700 2899 -11.5 -18.5 56 7.0 -13.3 215 19 289.7 290.0 278.4 293.6 1.27 17 580 4310 -21.5 -25.0 73 3.5 -22.1 223 21 294.1 294.2 279.9 296.8 0.87 18 542 4806 -23.9 -31.9 48 8.0 -25.0 226 22 297.0 297.1 280.7 298.6 0.49 19 534 4914 -24.3 -32.3 48 8.0 -25.4 227 22 297.8 297.8 281.0 299.3 0.48 20 500 5390 -27.5 -33.5 57 6.0 -28.2 230 23 299.5 299.6 281.8 301.0 0.45 21 466 5895 -31.3 -37.3 55 6.0 -31.9 232 23 300.9 300.9 282.2 302.0 0.33 22 400 6960 -40.3 -46.3 53 6.0 -40.6 235 23 302.6 302.6 282.7 303.1 0.15 23 300 8840 -56.9 -62.9 47 6.0 -57.0 245 29 305.1 305.1 283.5 305.2 0.03 24 278 9318 -60.9 -66.9 45 6.0 -61.0 245 31 306.1 306.1 283.8 306.2 0.02 25 261 9711 -60.9 -66.9 45 6.0 -61.0 245 33 311.7 311.7 285.9 311.7 0.02 26 250 9980 -58.3 -64.3 46 6.0 -58.4 245 35 319.4 319.4 288.6 319.5 0.03 27 222 10741 -53.3 -59.3 48 6.0 -53.5 245 32 338.1 338.1 293.9 338.4 0.06 28 221 10770 -52.9 -58.9 48 6.0 -53.1 245 32 339.2 339.2 294.2 339.4 0.06 29 200 11420 -51.5 -58.5 43 7.0 -51.7 245 29 351.2 351.2 297.0 351.5 0.07 30 171 12436 -49.3 -59.3 30 10.0 -49.7 242 29 371.0 371.0 300.8 371.3 0.08 31 150 13290 -49.9 -61.9 23 12.0 -50.4 240 29 384.1 384.1 302.9 384.4 0.06 32 100 15940 -50.7 -68.7 10 18.0 -51.5 225 19 429.8 429.8 308.9 430.0 0.04 33 92 16484 -50.7 -69.7 9 19.0 -51.5 226 19 440.1 440.1 309.9 440.3 0.03 34 70 18260 -52.1 -72.1 7 20.0 -53.1 230 17 472.9 472.9 312.9 473.1 0.03 35 57 19598 -50.1 -72.1 6 22.0 -51.5 233 11 506.1 506.1 315.4 506.3 0.04 36 50 20450 -52.9 -74.9 5 22.0 -54.1 235 7 518.8 518.8 316.2 519.0 0.03 37 30 23760 -50.3 -74.3 4 24.0 -52.7 245 5 607.5 607.5 321.0 607.9 0.05 38 20 26400 -48.7 -73.7 4 25.0 -52.4 270 11 687.1 687.1 324.0 687.9 0.09 39 13 29232 -49.1 -74.1 4 25.0 -53.9 226 12 775.8 775.9 326.7 777.0 0.13 40 10 30970 -45.1 -71.1 4 26.0 -52.4 200 13 851.2 851.3 328.5 854.0 0.26 41 9.6 31243 -44.7 -70.7 4 26.0 -52.4 862.7 862.9 328.7 865.8 0.29 TRP 278 9318 -60.9 -66.9 45 6.0 -61.0 245 31 306.1 306.1 283.8 306.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5291.00 m Freezing level: Surface below freezing Freezing level: 946.76 mb = 525.66 m = 1724.59 ft Freezing level: 900.77 mb = 928.04 m = 3044.71 ft Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 59.11 % Est. max temperature: 9.96 C = 49.92 F Sfc-Lift cond lev (LCL): 971.86 mb = 319.99 m = 1049.81 ft T: -8.54 C 700-500 lapse rate: 6.42 C/km ThetaE index: 4.68 C Layer 925.0- 776.0 mb Conv cond level (CCL): 1000.00 mb = 99.00 m = 324.80 ft Mean mixing ratio: 2.45 g/kg Conv temperature: -4.96 C = 23.07 F Cap Strength: 16.46 C Lifted Index: 17.42 C Risk: None Lifted Index @300 mb: 18.72 C Lifted Index @700 mb: 12.09 C Showalter Index: 10.86 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 14.80 C K Index: 4.10 Risk: None Sweat Index: 207.29 Risk: None Energy Index: 2.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 95.26 J/kg Max Up Vert Vel: 13.80 m/s Conv Inhibition (B-): 65699.29 J/kg Cap Strength: 17.20 C Lift Cond Lev (LCL): 927.12 mb = 694.48 m = 2278.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 234 at 15 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 1013 -1 100 7 -6.9 1.2 | 68 21 -19.1 -7.6 1 1000 99 115 5 -4.5 2.1 | 68 18 -16.7 -6.7 2 925 713 155 19 -8.0 17.2 | 113 22 -20.2 8.4 3 850 1388 165 23 -6.0 22.2 | 126 23 -18.2 13.4 4 700 2899 215 19 10.9 15.6 | 169 7 -1.3 6.8 5 500 5390 230 23 17.6 14.8 | 222 8 5.4 6.0 6 400 6960 235 23 18.8 13.2 | 237 8 6.6 4.4 7 300 8840 245 29 26.3 12.3 | 256 14 14.1 3.5 8 278 9318 245 31 28.1 13.1 | 255 16 15.9 4.3 9 250 9980 245 35 31.7 14.8 | 253 20 19.5 6.0 10 200 11420 245 29 26.3 12.3 | 256 14 14.1 3.5 11 150 13290 240 29 25.1 14.5 | 246 14 12.9 5.7 12 100 15940 225 19 13.4 13.4 | 195 5 1.2 4.6 13 70 18260 230 17 13.0 10.9 | 201 2 0.8 2.1 14 50 20450 235 7 5.7 4.0 | 53 8 -6.5 -4.8 15 30 23760 245 5 4.5 2.1 | 49 10 -7.7 -6.7 16 20 26400 270 11 11.0 -0.0 | 8 9 -1.2 -8.8 17 10 30970 200 13 4.4 12.2 | 114 8 -7.8 3.4 Wind Parameters Mean winds (0-6000m): 204.2 at 20.1 knts Storm direction: 234.2 at 15.1 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 102.8 deg Storm rel helicity (0-3000m) pos: 159.7 neg: -0.2 tot: 159.5 m^2/s^2 ave: 53.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 5.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 1.89 Bulk Shear: 50.46 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 ------------------------------------------------------------------------------- 500 130 9 81 19| 10.2 0.0 10.2| 50.3 -0.2 50.1 100.2 0.75| 13.0 9.8 1000 150 14 99 19| 9.3 0.0 9.3| 99.1 -0.2 99.0 99.0 0.85| 10.9 9.3 1500 156 16 108 20| 7.3 0.0 7.3|123.4 -0.2 123.2 82.1 0.86| 8.9 7.6 2000 162 18 115 19| 5.6 0.0 5.6|142.5 -0.2 142.3 71.1 0.80| 8.3 6.7 2500 169 18 120 18| 4.6 0.0 4.6|153.9 -0.2 153.7 61.5 0.76| 7.9 6.0 3000 175 19 125 17| 4.0 0.0 4.0|159.7 -0.2 159.5 53.2 0.73| 7.4 5.4 4000 187 19 135 14| 3.2 0.0 3.2|164.4 -0.2 164.2 41.1 0.75| 5.9 4.4 5000 197 19 146 12| 2.8 0.0 2.8|169.5 -0.2 169.3 33.9 0.76| 5.0 3.8 6000 204 20 157 10| 2.4 0.0 2.4|173.3 -0.2 173.1 28.9 0.77| 4.3 3.3 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250420.12.gif