UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U5403... Searching the city database file for: U5403 ... Date:1200Z 4 DEC 25 Station: U5403 WMO ident: 25403 ------------------------------------------------------------------------------- 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 1006 43 -28.5 -33.4 63 4.9 -28.8 320 5 244.2 244.3 243.9 244.8 0.23 1 1000 86 -29.3 -34.2 62 4.9 -29.6 335 7 243.9 243.9 243.6 244.4 0.21 2 965 341 -30.5 -35.3 63 4.8 -30.8 12 9 245.1 245.2 244.7 245.7 0.20 3 925 646 -24.9 -29.3 67 4.4 -25.3 55 11 253.8 253.9 252.8 254.9 0.37 4 850 1275 -13.3 -16.6 76 3.3 -14.0 120 13 272.2 272.4 268.5 275.7 1.23 5 844 1329 -12.5 -15.6 78 3.1 -13.2 121 13 273.6 273.8 269.5 277.4 1.34 6 700 2732 -21.9 -25.2 75 3.3 -22.4 150 21 278.2 278.4 271.4 280.3 0.70 7 667 3086 -23.5 -27.1 72 3.6 -24.0 157 30 280.3 280.4 272.4 282.2 0.62 8 575 4151 -32.3 -36.2 68 3.9 -32.6 179 56 282.2 282.2 272.9 283.1 0.30 9 500 5130 -35.5 -41.5 54 6.0 -35.9 200 81 289.8 289.8 276.9 290.4 0.20 10 400 6630 -46.1 -52.1 51 6.0 -46.3 200 91 295.1 295.1 279.3 295.3 0.08 11 301 8489 -53.3 -59.3 48 6.0 -53.4 210 126 309.9 309.9 285.4 310.1 0.04 12 300 8510 -53.3 -59.3 48 6.0 -53.4 210 126 310.2 310.2 285.5 310.4 0.04 13 287 8794 -55.8 -61.8 47 6.0 -55.9 210 136 310.6 310.6 285.6 310.8 0.03 14 250 9660 -63.5 -69.5 44 6.0 -63.6 210 124 311.7 311.7 285.9 311.7 0.01 15 237 9987 -65.9 -71.9 43 6.0 -66.0 210 116 312.8 312.8 286.4 312.9 0.01 16 219 10474 -59.9 -65.9 45 6.0 -60.0 210 92 329.2 329.3 291.5 329.3 0.02 17 200 11040 -60.9 -66.9 45 6.0 -61.0 210 64 336.3 336.3 293.4 336.4 0.02 18 150 12830 -60.3 -66.3 45 6.0 -60.4 205 62 366.2 366.2 299.9 366.4 0.03 19 111 14713 -60.3 -67.3 39 7.0 -60.4 205 61 399.1 399.1 305.1 399.3 0.04 20 100 15370 -57.5 -64.5 41 7.0 -57.8 205 60 416.6 416.6 307.3 417.0 0.07 21 70 17610 -58.7 -67.7 30 9.0 -59.0 205 62 458.8 458.8 311.7 459.2 0.06 22 60 18582 -58.3 -67.3 31 9.0 -58.7 205 74 480.4 480.4 313.5 480.8 0.07 23 50 19740 -55.3 -64.3 32 9.0 -56.0 205 89 513.2 513.2 315.9 514.0 0.13 24 36 21859 -49.5 -60.5 26 11.0 -51.2 205 98 578.7 578.8 319.7 580.9 0.31 25 30 23050 -49.9 -61.9 23 12.0 -51.9 205 103 608.6 608.7 321.1 610.9 0.31 26 29 23273 -51.3 -63.3 23 12.0 -53.1 205 102 610.7 610.8 321.2 612.7 0.26 27 20 25760 -41.5 -56.5 18 15.0 -46.7 200 97 709.1 709.5 325.0 717.1 0.91 28 19 26109 -40.7 -56.7 16 16.0 -46.4 722.1 722.5 325.4 730.5 0.94 29 15 27708 -43.7 -61.7 12 18.0 -49.5 762.7 762.9 326.4 768.7 0.63 TRP 237 9987 -65.9 -71.9 43 6.0 -66.0 210 116 312.8 312.8 286.4 312.9 0.01 WND 287 8794 -55.8 -61.8 47 6.0 -55.9 210 136 310.6 310.6 285.6 310.8 0.03 Sounding variables and indices 1000-500 mb thick: 5044.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 69.62 % Est. max temperature: -2.03 C = 28.35 F Sfc-Lift cond lev (LCL): 926.00 mb = 638.19 m = 2093.79 ft T: -25.04 C 700-500 lapse rate: 5.67 C/km ThetaE index: 0.42 C Layer 1000.0- 965.0 mb Conv cond level (CCL): 464.75 mb = 5621.50 m = 18443.02 ft Mean mixing ratio: 0.28 g/kg Conv temperature: 18.90 C = 66.03 F Cap Strength: 27.86 C Lifted Index: 32.98 C Risk: None Lifted Index @300 mb: 43.01 C Lifted Index @700 mb: 26.07 C Showalter Index: 11.82 C Risk: None Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 18.90 C K Index: 2.30 Risk: None Sweat Index: 107.00 Risk: None Energy Index: 3.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.98 J/kg Max Up Vert Vel: 10.20 m/s Conv Inhibition (B-): 67685.41 J/kg Cap Strength: 32.92 C Lift Cond Lev (LCL): 891.25 mb = 922.47 m = 3026.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 217 at 30 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 1006 43 320 5 3.2 -3.8 | 28 31 -14.8 -27.8 1 1000 86 335 7 3.0 -6.3 | 26 34 -15.1 -30.3 2 925 646 55 11 -9.0 -6.3 | 42 41 -27.0 -30.2 3 850 1275 120 13 -11.3 6.5 | 59 34 -29.3 -17.4 4 700 2732 150 21 -10.5 18.2 | 79 29 -28.5 -5.7 5 500 5130 200 81 27.7 76.1 | 190 53 9.7 52.2 6 400 6630 200 91 31.1 85.5 | 192 63 13.1 61.6 7 300 8510 210 126 63.0 109.1 | 208 96 45.0 85.2 8 287 8794 210 136 68.0 117.8 | 208 106 50.0 93.8 9 250 9660 210 124 62.0 107.4 | 208 94 44.0 83.5 10 237 9987 210 116 58.0 100.5 | 208 86 40.0 76.5 11 200 11040 210 64 32.0 55.4 | 204 34 14.0 31.5 12 150 12830 205 62 26.2 56.2 | 194 33 8.2 32.3 13 100 15370 205 60 25.4 54.4 | 194 31 7.3 30.4 14 70 17610 205 62 26.2 56.2 | 194 33 8.2 32.3 15 50 19740 205 89 37.6 80.7 | 199 60 19.6 56.7 16 30 23050 205 103 43.5 93.3 | 200 74 25.5 69.4 17 20 25760 200 97 33.2 91.2 | 193 69 15.1 67.2 Wind Parameters Mean winds (0-6000m): 187.0 at 40.0 knts Storm direction: 217.0 at 30.0 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 66.7 deg Storm rel helicity (0-3000m) pos: 376.9 neg: -4.9 tot: 371.9 m^2/s^2 ave: 124.0 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 6.9 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 0.17 Bulk Shear: 309.19 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 12 8 32 38| 10.9 0.0 10.9| 72.7 -4.9 67.7 135.4 0.52| 13.0 6.8 1000 50 10 40 40| 8.4 0.0 8.4|184.5 -4.9 179.5 179.5 0.72| 12.3 8.9 1500 80 11 48 39| 6.6 0.0 6.6|238.2 -4.9 233.3 155.5 0.74| 10.7 7.9 2000 100 12 54 37| 5.7 0.0 5.7|270.4 -4.9 265.5 132.7 0.76| 9.0 6.9 2500 116 13 59 35| 5.1 0.0 5.1|301.5 -4.9 296.6 118.6 0.77| 8.1 6.3 3000 127 15 64 33| 5.8 0.0 5.8|376.9 -4.9 371.9 124.0 0.81| 8.5 6.9 4000 152 21 80 29| 7.4 0.0 7.4|619.5 -4.9 614.6 153.6 0.87| 10.1 8.8 5000 177 31 109 21| 8.4 0.0 8.4|977.0 -4.9 972.0 194.4 0.88| 11.7 10.3 6000 187 40 140 21| 7.4 0.3 7.7|1030.8 -4.91025.8 171.0 0.84| 10.5 8.9 Wrote GIF file: /home/apache/climate/data/raob//U5403/skewt/U5403.skewt.20251204.12.gif