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 U4343... Searching the city database file for: U4343 ... Date:1200Z 4 DEC 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 63 45 1 SFC 998 77 -35.5 -41.5 54 6.0 -35.7 45 1 237.8 237.8 237.6 238.1 0.10 2 925 619 -26.3 -30.1 70 3.8 -26.6 155 17 252.4 252.5 251.5 253.4 0.34 3 900 818 -23.1 -26.8 72 3.7 -23.5 155 16 257.7 257.8 256.3 259.0 0.47 4 850 1237 -21.5 -24.5 77 3.0 -21.9 155 13 263.6 263.7 261.3 265.4 0.62 5 832 1395 -20.5 -23.5 77 3.0 -21.0 157 13 266.3 266.4 263.4 268.3 0.69 6 728 2371 -26.7 -29.8 75 3.1 -27.1 167 10 269.9 269.9 265.4 271.2 0.44 7 707 2583 -24.3 -27.6 74 3.3 -24.7 169 9 274.8 274.9 269.0 276.5 0.56 8 700 2656 -24.5 -27.6 75 3.1 -24.9 170 9 275.4 275.4 269.3 277.0 0.57 9 686 2803 -24.9 -27.8 77 2.9 -25.3 170 9 276.5 276.6 270.1 278.2 0.57 10 602 3744 -29.9 -33.8 69 3.9 -30.3 168 10 281.2 281.3 272.5 282.4 0.36 11 500 5040 -39.7 -43.9 64 4.2 -39.9 165 11 284.6 284.7 274.1 285.2 0.16 12 400 6530 -50.1 -54.1 63 4.0 -50.2 140 7 289.9 289.9 276.7 290.1 0.06 13 380 6863 -52.5 -56.5 62 4.0 -52.6 143 7 291.0 291.0 277.2 291.2 0.05 14 308 8196 -60.7 -64.5 61 3.8 -60.7 154 7 297.5 297.5 280.3 297.6 0.02 15 300 8360 -61.1 -64.8 61 3.7 -61.2 155 7 299.2 299.2 281.0 299.3 0.02 16 271 8990 -63.3 -67.2 59 3.9 -63.3 130 7 304.8 304.8 283.4 304.9 0.02 17 254 9391 -60.7 -64.5 61 3.8 -60.7 158 5 314.4 314.4 286.9 314.5 0.03 18 250 9490 -60.9 -64.7 61 3.8 -60.9 165 5 315.5 315.5 287.3 315.6 0.03 19 200 10880 -59.7 -63.7 59 4.0 -59.7 225 5 338.2 338.2 293.9 338.4 0.04 20 153 12556 -58.9 -63.4 56 4.5 -59.0 234 7 366.5 366.5 299.9 366.7 0.05 21 150 12680 -58.9 -63.4 56 4.5 -59.0 235 7 368.6 368.6 300.4 368.8 0.05 22 102 15078 -62.3 -68.3 44 6.0 -62.4 225 9 405.1 405.1 305.9 405.2 0.04 23 100 15200 -62.5 -68.5 44 6.0 -62.6 225 9 407.0 407.0 306.2 407.2 0.04 24 70 17380 -64.3 -70.3 44 6.0 -64.4 230 15 446.8 446.8 310.6 447.1 0.04 25 67 17648 -64.5 -70.5 43 6.0 -64.7 452.0 452.0 311.1 452.3 0.04 26 52 19187 -67.1 -74.1 36 7.0 -67.2 479.9 480.0 313.5 480.1 0.03 TRP 271 8990 -63.3 -67.2 59 3.9 -63.3 130 7 304.8 304.8 283.4 304.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 4977.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 70.89 % Est. max temperature: -9.39 C = 15.11 F Sfc-Lift cond lev (LCL): 899.36 mb = 823.19 m = 2700.72 ft T: -23.08 C 700-500 lapse rate: 6.38 C/km ThetaE index: 0.00 C Layer 998.0- -0.0 mb Conv cond level (CCL): 998.00 mb = 77.02 m = 252.68 ft Mean mixing ratio: 0.27 g/kg Conv temperature: -31.54 C = -24.78 F Cap Strength: 28.21 C Lifted Index: 29.48 C Risk: None Lifted Index @300 mb: 35.79 C Lifted Index @700 mb: 24.23 C Showalter Index: 15.89 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 15.20 C K Index: -9.40 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 4.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.54 J/kg Max Up Vert Vel: 11.27 m/s Conv Inhibition (B-): 39328.93 J/kg Cap Strength: 29.40 C Lift Cond Lev (LCL): 899.34 mb = 823.32 m = 2701.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 191 at 8 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 ---------------------------------------------------------- 0 998 77 45 1 -0.7 -0.7 | 15 9 -2.3 -8.5 1 925 619 155 17 -7.2 15.4 | 131 12 -8.7 7.6 2 850 1237 155 13 -5.5 11.8 | 120 8 -7.1 4.0 3 700 2656 170 9 -1.6 8.9 | 109 3 -3.1 1.1 4 500 5040 165 11 -2.8 10.6 | 123 5 -4.4 2.8 5 400 6530 140 7 -4.5 5.4 | 68 7 -6.1 -2.4 6 300 8360 155 7 -3.0 6.3 | 72 5 -4.5 -1.4 7 271 8990 130 7 -5.4 4.5 | 65 8 -6.9 -3.3 8 250 9490 165 5 -1.3 4.8 | 44 4 -2.9 -2.9 9 200 10880 225 5 3.5 3.5 | 335 5 2.0 -4.2 10 150 12680 235 7 5.7 4.0 | 312 6 4.2 -3.8 11 100 15200 225 9 6.4 6.4 | 286 5 4.8 -1.4 12 70 17380 230 15 11.5 9.6 | 259 10 9.9 1.9 Wind Parameters Mean winds (0-6000m): 161.3 at 10.6 knts Storm direction: 191.3 at 7.9 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 98.0 deg Storm rel helicity (0-3000m) pos: 69.3 neg: -5.4 tot: 63.9 m^2/s^2 ave: 21.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 65.89 Bulk Shear: 0.96 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 ------------------------------------------------------------------------------- 500 152 8 86 6| 16.5 0.0 16.5| 61.4 0.0 61.4 122.8 0.96| 22.2 21.2 1000 154 12 113 7| 7.4 0.0 7.4| 69.0 -3.2 65.8 65.8 0.82| 13.7 11.3 1500 155 12 116 8| 4.3 0.0 4.3| 69.1 -4.5 64.6 43.1 0.74| 9.9 7.4 2000 156 12 116 7| 2.9 0.0 2.9| 69.1 -4.7 64.4 32.2 0.69| 7.9 5.5 2500 157 12 116 7| 2.0 0.0 2.0| 69.1 -5.3 63.8 25.5 0.64| 6.7 4.3 3000 159 11 116 6| 1.7 0.0 1.7| 69.3 -5.4 63.9 21.3 0.63| 5.7 3.6 4000 161 11 116 6| 1.3 0.1 1.4| 69.7 -5.4 64.4 16.1 0.63| 4.4 2.7 5000 162 11 117 5| 1.0 0.2 1.2| 70.1 -5.6 64.5 12.9 0.62| 3.6 2.2 6000 161 11 114 5| 0.8 0.3 1.1| 70.1 -11.1 59.0 9.8 0.46| 3.3 1.5 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251204.12.gif