UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 27 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1010 143 -21.3 -25.9 66 4.6 -21.8 120 3 251.1 251.2 250.7 252.4 0.46 1 1000 216 -21.5 -25.6 69 4.1 -22.0 130 5 251.6 251.7 251.2 252.9 0.48 2 953 570 -22.1 -25.9 71 3.8 -22.5 192 19 254.5 254.6 253.7 255.9 0.49 3 925 789 -23.7 -27.0 74 3.3 -24.1 230 27 255.1 255.1 254.1 256.3 0.45 4 913 884 -23.9 -27.1 75 3.2 -24.2 233 28 255.8 255.9 254.7 257.1 0.45 5 901 981 -21.9 -25.0 76 3.1 -22.3 236 29 258.9 258.9 257.4 260.4 0.56 6 850 1410 -21.7 -29.7 48 8.0 -22.6 250 35 263.4 263.5 260.6 264.5 0.38 7 823 1648 -21.1 -29.1 49 8.0 -22.1 254 37 266.5 266.6 263.0 267.7 0.42 8 717 2662 -22.5 -24.8 81 2.3 -22.8 272 45 275.7 275.8 269.8 277.8 0.71 9 700 2838 -23.9 -26.3 81 2.4 -24.2 275 46 276.0 276.1 269.9 277.9 0.64 10 673 3124 -25.7 -27.2 87 1.5 -25.9 278 48 277.1 277.2 270.5 279.0 0.61 11 541 4680 -33.3 -34.8 86 1.5 -33.4 294 57 285.9 286.0 275.2 287.1 0.37 12 500 5230 -35.9 -41.9 54 6.0 -36.3 300 60 289.3 289.3 276.6 289.9 0.19 13 470 5660 -37.1 -49.1 28 12.0 -37.7 297 62 292.9 293.0 278.3 293.3 0.09 14 456 5869 -37.7 -48.7 31 11.0 -38.2 296 64 294.7 294.8 279.1 295.1 0.10 15 400 6760 -44.9 -50.9 51 6.0 -45.1 290 69 296.6 296.7 280.0 297.0 0.09 16 361 7438 -50.3 -56.3 49 6.0 -50.4 288 71 298.2 298.2 280.6 298.4 0.05 17 309 8442 -55.5 -61.5 47 6.0 -55.6 285 73 304.5 304.5 283.2 304.6 0.03 18 300 8630 -56.5 -62.5 47 6.0 -56.6 285 73 305.7 305.7 283.7 305.8 0.03 19 285 8955 -57.3 -64.3 41 7.0 -57.4 286 72 309.1 309.1 285.0 309.2 0.02 20 280 9066 -59.9 -66.9 40 7.0 -60.0 287 71 306.9 306.9 284.2 307.0 0.02 21 250 9770 -62.1 -69.1 39 7.0 -62.1 290 69 313.7 313.7 286.6 313.8 0.01 22 246 9870 -62.5 -69.5 38 7.0 -62.6 290 69 314.6 314.6 286.9 314.6 0.01 23 224 10450 -63.3 -69.3 44 6.0 -63.3 288 66 321.9 321.9 289.3 322.0 0.02 24 200 11150 -63.3 -70.3 38 7.0 -63.4 285 62 332.5 332.5 292.4 332.6 0.01 25 163 12413 -58.9 -68.9 26 10.0 -59.0 278 56 359.9 359.9 298.7 360.0 0.02 26 150 12930 -60.3 -71.3 22 11.0 -60.4 275 54 366.2 366.2 299.9 366.3 0.02 27 100 15450 -61.9 -76.9 12 15.0 -62.1 270 42 408.1 408.1 306.3 408.2 0.01 28 77 17058 -64.1 -81.1 8 17.0 -64.3 266 49 435.2 435.2 309.4 435.3 0.01 29 70 17640 -65.3 -83.3 7 18.0 -65.5 265 52 444.7 444.7 310.3 444.7 0.01 30 60 18572 -66.3 -86.3 4 20.0 -66.5 263 61 462.5 462.5 312.0 462.5 0.00 31 50 19680 -63.1 -84.1 4 21.0 -63.5 260 71 494.8 494.8 314.6 494.8 0.01 32 35 21904 -57.5 -79.5 4 22.0 -58.5 562.5 562.5 318.8 562.7 0.02 TRP 246 9870 -62.5 -69.5 38 7.0 -62.6 290 69 314.6 314.6 286.9 314.6 0.01 WND 309 8442 -55.5 -61.5 47 6.0 -55.6 285 73 304.5 304.5 283.2 304.6 0.03 Sounding variables and indices 1000-500 mb thick: 5014.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 74.05 % Est. max temperature: -9.91 C = 14.16 F Sfc-Lift cond lev (LCL): 935.88 mb = 703.25 m = 2307.23 ft T: -23.07 C 700-500 lapse rate: 5.02 C/km Conv cond level (CCL): 564.98 mb = 4370.83 m = 14339.81 ft Mean mixing ratio: 0.47 g/kg Conv temperature: 11.83 C = 53.30 F Cap Strength: 25.92 C Lifted Index: 28.06 C Risk: None Lifted Index @300 mb: 35.88 C Lifted Index @700 mb: 19.21 C Showalter Index: 20.39 C Risk: None Total Totals Index: 20.40 C Risk: None Vertical Totals Index: 14.20 C Cross Totals Index: 6.20 C K Index: -17.90 Risk: None Sweat Index: 250.76 Risk: None Energy Index: 5.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.96 J/kg Max Up Vert Vel: 5.82 m/s Conv Inhibition (B-): 45604.69 J/kg Cap Strength: 28.02 C Lift Cond Lev (LCL): 900.65 mb = 984.08 m = 3228.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 34 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 1010 143 120 3 -2.6 1.5 | 130 37 -28.3 23.7 1 1000 216 130 5 -3.8 3.2 | 131 39 -29.5 25.4 2 925 789 230 27 20.7 17.4 | 173 40 -5.0 39.5 3 850 1410 250 35 32.9 12.0 | 192 35 7.2 34.1 4 700 2838 275 46 45.8 -4.0 | 228 27 20.1 18.2 5 500 5230 300 60 52.0 -30.0 | 287 27 26.3 -7.8 6 400 6760 290 69 64.8 -23.6 | 272 39 39.1 -1.4 7 309 8442 285 73 70.5 -18.9 | 266 45 44.8 3.3 8 300 8630 285 73 70.5 -18.9 | 266 45 44.8 3.3 9 250 9770 290 69 64.8 -23.6 | 272 39 39.1 -1.4 10 246 9870 290 69 64.8 -23.6 | 272 39 39.1 -1.4 11 200 11150 285 62 59.9 -16.0 | 260 35 34.2 6.1 12 150 12930 275 54 53.8 -4.7 | 238 33 28.1 17.5 13 100 15450 270 42 42.0 -0.0 | 216 28 16.3 22.2 14 70 17640 265 52 51.8 4.5 | 224 37 26.1 26.7 15 50 19680 260 71 69.9 12.3 | 232 56 44.2 34.5 Wind Parameters Mean winds (0-6000m): 280.8 at 45.3 knts Storm direction: 310.8 at 33.9 knts Shear (0-3000m) pos: 8.7 neg: 0.0 tot: 8.7 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 682.0 neg: 0.0 tot: 682.0 m^2/s^2 ave: 227.3 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 13.0 stream: 11.6 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.06 Bulk Shear: 292.76 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 ------------------------------------------------------------------------------- 500 189 12 145 41| 21.9 0.0 21.9|254.8 0.0 254.8 509.6 0.83| 26.8 22.4 1000 228 20 163 37| 17.1 0.0 17.1|449.2 0.0 449.2 449.2 0.87| 23.4 20.4 1500 238 25 172 35| 13.4 0.0 13.4|528.4 0.0 528.4 352.3 0.88| 18.8 16.5 2000 246 28 180 34| 11.1 0.0 11.1|583.9 0.0 583.9 292.0 0.88| 15.9 14.0 2500 252 31 187 32| 9.7 0.0 9.7|638.7 0.0 638.7 255.5 0.89| 14.3 12.7 3000 258 33 193 30| 8.7 0.0 8.7|682.0 0.0 682.0 227.3 0.89| 13.0 11.6 4000 267 38 206 27| 7.3 0.0 7.3|756.6 0.0 756.6 189.1 0.91| 11.1 10.1 5000 275 42 221 24| 6.4 0.0 6.4|837.8 0.0 837.8 167.6 0.92| 10.1 9.3 6000 281 45 234 23| 5.4 0.7 6.0|844.9 -39.5 805.4 134.2 0.80| 9.2 7.4 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251227.00.gif