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 U3921... Searching the city database file for: U3921 ... Date:1200Z 4 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 87 295 9 SFC 999 95 2.4 -3.6 65 6.0 0.1 295 9 275.6 276.1 273.3 283.7 2.93 2 925 711 -1.9 -6.9 69 5.0 -3.6 310 29 277.4 277.8 273.6 284.3 2.46 3 850 1377 -6.5 -12.5 62 6.0 -8.2 320 36 279.3 279.6 273.6 284.3 1.72 4 729 2555 -15.9 -18.7 79 2.8 -16.5 324 41 281.6 281.8 274.1 285.1 1.20 5 724 2607 -14.7 -17.4 80 2.7 -15.3 324 41 283.5 283.7 275.3 287.5 1.35 6 714 2712 -14.9 -17.6 80 2.7 -15.5 324 41 284.4 284.6 275.8 288.4 1.34 7 700 2862 -15.3 -19.1 73 3.8 -16.2 325 42 285.5 285.8 276.2 289.2 1.21 8 686 3014 -15.9 -20.9 65 5.0 -17.0 324 43 286.5 286.7 276.5 289.7 1.05 9 673 3159 -14.1 -23.1 46 9.0 -16.0 324 44 290.1 290.3 278.1 292.9 0.88 10 652 3399 -15.3 -35.3 16 20.0 -18.2 323 46 291.4 291.5 277.8 292.4 0.29 11 500 5350 -28.9 -42.9 25 14.0 -30.1 315 60 297.8 297.8 280.6 298.4 0.17 12 480 5639 -30.9 -44.9 24 14.0 -31.9 315 63 298.8 298.9 281.0 299.3 0.15 13 410 6732 -39.7 -54.7 19 15.0 -40.3 315 73 301.3 301.3 282.0 301.5 0.06 14 400 6900 -40.1 -55.1 19 15.0 -40.7 315 75 302.9 302.9 282.6 303.1 0.05 15 344 7923 -43.5 -60.5 14 17.0 -44.0 312 100 311.6 311.6 285.9 311.7 0.03 16 309 8636 -48.8 -65.0 13 16.2 -49.1 310 118 313.9 313.9 286.7 313.9 0.02 17 300 8830 -50.3 -66.3 13 16.0 -50.6 310 118 314.5 314.5 286.9 314.5 0.02 18 298 8874 -50.3 -66.3 13 16.0 -50.6 310 118 315.1 315.1 287.1 315.1 0.02 19 291 9029 -52.7 -67.7 15 15.0 -52.9 310 117 313.8 313.8 286.7 313.8 0.01 20 250 10000 -58.7 -72.7 15 14.0 -58.8 310 114 318.8 318.8 288.3 318.8 0.01 21 225 10655 -62.1 -75.1 16 13.0 -62.2 310 108 323.3 323.3 289.8 323.4 0.01 22 212 11022 -61.5 -74.5 16 13.0 -61.6 310 104 329.8 329.8 291.7 329.9 0.01 23 201 11350 -64.5 -77.5 15 13.0 -64.6 310 101 330.1 330.1 291.7 330.2 0.00 24 200 11380 -64.5 -77.5 15 13.0 -64.6 310 99 330.6 330.6 291.9 330.6 0.00 25 195 11536 -62.9 -75.9 16 13.0 -63.0 310 96 335.6 335.6 293.2 335.6 0.01 26 189 11728 -63.5 -76.5 16 13.0 -63.6 309 92 337.6 337.6 293.7 337.6 0.01 27 173 12278 -59.3 -72.3 17 13.0 -59.5 307 81 353.2 353.2 297.3 353.3 0.01 28 150 13170 -60.9 -73.9 16 13.0 -61.0 305 64 365.2 365.2 299.7 365.2 0.01 29 119 14605 -62.7 -75.7 16 13.0 -62.9 308 55 386.8 386.9 303.3 386.9 0.01 30 100 15680 -62.3 -76.3 14 14.0 -62.5 310 48 407.4 407.4 306.2 407.4 0.01 31 89 16401 -61.1 -75.1 14 14.0 -61.3 308 47 423.6 423.6 308.2 423.6 0.02 32 82 16903 -65.9 -79.9 12 14.0 -66.1 307 47 423.8 423.8 308.2 423.8 0.01 33 70 17860 -66.9 -80.9 12 14.0 -67.1 305 46 441.3 441.3 310.0 441.3 0.01 34 59 18887 -69.1 -83.1 11 14.0 -69.2 305 47 458.4 458.4 311.6 458.5 0.01 35 53 19530 -67.5 -81.5 12 14.0 -67.7 305 48 476.4 476.4 313.2 476.5 0.01 36 50 19880 -68.7 -82.7 12 14.0 -68.9 305 48 481.6 481.6 313.6 481.6 0.01 37 35 21983 -72.3 -86.3 10 14.0 -72.5 298 51 523.9 523.9 316.5 524.0 0.01 38 30 22870 -79.3 -93.3 8 14.0 -79.4 295 52 528.5 528.5 316.8 528.5 0.00 39 29 23063 -79.5 -93.5 8 14.0 -79.6 295 53 533.1 533.1 317.1 533.1 0.00 40 20 25150 -84.5 -98.5 7 14.0 -84.5 295 66 577.5 577.5 319.5 577.5 0.00 41 19 25433 -84.5 -98.5 7 14.0 -84.5 586.0 586.0 319.9 586.1 0.00 42 19 25433 -81.3 -95.3 8 14.0 -81.4 596.0 596.0 320.4 596.0 0.00 TRP 201 11350 -64.5 -77.5 15 13.0 -64.6 310 101 330.1 330.1 291.7 330.2 0.00 WND 309 8636 -48.8 -65.0 13 16.2 -49.1 310 118 313.9 313.9 286.7 313.9 0.02 Sounding variables and indices 1000-500 mb thick: 5263.00 m Freezing level: 957.70 mb = 438.84 m = 1439.76 ft Wetbulb zero: 997.44 mb = 107.57 m = 352.91 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 48.52 % Est. max temperature: 6.13 C = 43.03 F Sfc-Lift cond lev (LCL): 910.12 mb = 838.70 m = 2751.61 ft T: -2.78 C 700-500 lapse rate: 5.47 C/km Conv cond level (CCL): 835.58 mb = 1508.23 m = 4948.21 ft Mean mixing ratio: 2.59 g/kg Conv temperature: 6.37 C = 43.47 F Cap Strength: 8.76 C Lifted Index: 11.86 C Risk: None Lifted Index @300 mb: 21.57 C Lifted Index @700 mb: 4.40 C Showalter Index: 11.69 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 16.40 C K Index: 6.10 Risk: None Sweat Index: 132.00 Risk: None Energy Index: 2.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.32 J/kg Max Up Vert Vel: 3.83 m/s Conv Inhibition (B-): 45705.09 J/kg Cap Strength: 11.82 C Lift Cond Lev (LCL): 871.28 mb = 1182.29 m = 3878.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 33 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 ---------------------------------------------------------- 0 999 95 295 9 8.2 -3.8 | 183 29 1.4 29.0 1 925 711 310 29 22.2 -18.6 | 228 21 15.5 14.1 2 850 1377 320 36 23.1 -27.6 | 252 17 16.4 5.2 3 700 2862 325 42 24.1 -34.4 | 275 17 17.3 -1.7 4 500 5350 315 60 42.4 -42.4 | 285 37 35.7 -9.7 5 400 6900 315 75 53.0 -53.0 | 294 51 46.3 -20.3 6 309 8636 310 118 90.4 -75.8 | 297 94 83.6 -43.1 7 300 8830 310 118 90.4 -75.8 | 297 94 83.6 -43.1 8 250 10000 310 114 87.3 -73.3 | 297 90 80.6 -40.5 9 201 11350 310 101 77.4 -64.9 | 294 78 70.6 -32.2 10 200 11380 310 99 75.8 -63.6 | 294 76 69.1 -30.9 11 150 13170 305 64 52.4 -36.7 | 275 46 45.7 -4.0 12 100 15680 310 48 36.8 -30.9 | 266 30 30.0 1.9 13 70 17860 305 46 37.7 -26.4 | 258 32 30.9 6.4 14 50 19880 305 48 39.3 -27.5 | 261 33 32.6 5.2 15 30 22870 295 52 47.1 -22.0 | 255 42 40.4 10.8 16 20 25150 295 66 59.8 -27.9 | 265 53 53.1 4.9 Wind Parameters Mean winds (0-6000m): 318.3 at 44.6 knts Storm direction: 348.3 at 33.4 knts Shear (0-3000m) pos: 5.7 neg: 0.5 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 95.1 deg Storm rel helicity (0-3000m) pos: 198.3 neg: 0.0 tot: 198.3 m^2/s^2 ave: 66.1 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 6.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 105.35 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 ------------------------------------------------------------------------------- 500 306 17 197 24| 17.0 0.0 17.0|100.6 0.0 100.6 201.2 0.91| 17.2 15.6 1000 310 24 213 21| 12.8 0.0 12.8|146.2 0.0 146.2 146.2 0.91| 13.3 12.1 1500 314 28 224 19| 10.0 0.0 10.0|167.8 0.0 167.8 111.9 0.92| 10.5 9.7 2000 316 30 232 18| 8.0 0.0 8.0|178.2 0.0 178.2 89.1 0.92| 8.5 7.8 2500 318 32 239 17| 6.9 0.0 6.9|188.8 0.0 188.8 75.5 0.93| 7.3 6.7 3000 320 34 245 17| 5.7 0.5 6.2|198.3 0.0 198.3 66.1 0.91| 6.6 6.0 4000 320 37 256 17| 4.3 1.4 5.6|211.3 0.0 211.3 52.8 0.80| 6.0 4.8 5000 319 41 265 20| 3.4 1.9 5.3|217.6 0.0 217.6 43.5 0.69| 5.6 3.9 6000 318 45 271 23| 2.9 2.4 5.2|252.8 0.0 252.8 42.1 0.64| 5.5 3.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251204.12.gif