UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 9 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 -38 340 3 SFC 992 26 -0.7 -1.7 93 1.0 -1.1 340 3 273.1 273.6 272.5 282.3 3.40 2 969 214 0.0 -4.5 72 4.5 -1.7 10 4 275.6 276.1 273.1 283.4 2.82 3 925 584 -2.9 -6.9 74 4.0 -4.3 70 5 276.3 276.8 273.0 283.2 2.46 4 850 1249 -7.1 -10.2 78 3.1 -8.1 75 7 278.7 279.1 273.8 284.6 2.07 5 700 2736 -17.1 -20.0 78 2.9 -17.7 155 33 283.5 283.7 275.0 286.9 1.12 6 665 3119 -19.7 -23.0 75 3.3 -20.3 153 33 284.8 285.0 275.4 287.6 0.90 7 607 3790 -24.5 -28.0 73 3.5 -25.0 149 34 286.8 286.9 276.0 288.8 0.63 8 569 4260 -26.1 -29.4 74 3.3 -26.6 146 34 290.3 290.4 277.7 292.2 0.59 9 506 5096 -33.7 -37.2 71 3.5 -34.0 141 35 291.0 291.0 277.6 292.0 0.31 10 500 5180 -34.3 -37.8 70 3.5 -34.6 140 35 291.2 291.3 277.7 292.2 0.29 11 428 6241 -44.5 -47.9 69 3.4 -44.6 137 48 291.5 291.5 277.6 291.9 0.12 12 400 6690 -47.9 -51.3 68 3.4 -48.0 135 54 292.7 292.8 278.2 293.0 0.08 13 385 6943 -48.7 -52.3 66 3.6 -48.8 139 58 294.9 294.9 279.1 295.2 0.08 14 367 7258 -49.6 -53.4 64 3.8 -49.7 145 62 297.7 297.8 280.4 298.0 0.07 15 300 8570 -53.5 -58.2 56 4.7 -53.6 165 44 309.9 309.9 285.4 310.1 0.05 16 293 8721 -54.5 -59.1 57 4.6 -54.6 165 44 310.6 310.6 285.6 310.8 0.05 17 253 9672 -49.3 -54.3 56 5.0 -49.5 179 42 331.6 331.7 292.3 332.0 0.09 18 250 9750 -49.7 -54.7 56 5.0 -49.9 180 42 332.2 332.2 292.4 332.5 0.09 19 244 9908 -48.9 -54.9 50 6.0 -49.1 182 42 335.7 335.7 293.3 336.1 0.09 20 200 11210 -47.3 -55.3 39 8.0 -47.7 195 46 357.9 357.9 298.4 358.3 0.11 21 166 12447 -46.3 -56.3 31 10.0 -46.9 201 40 379.1 379.2 302.2 379.7 0.11 22 150 13120 -46.9 -58.9 24 12.0 -47.6 205 36 389.2 389.3 303.8 389.7 0.09 23 100 15790 -47.9 -62.9 16 15.0 -48.8 205 38 435.2 435.2 309.4 435.6 0.08 24 82 17092 -49.5 -65.5 14 16.0 -50.5 202 42 457.3 457.3 311.5 457.7 0.07 25 76 17594 -45.3 -62.3 13 17.0 -46.9 201 44 476.1 476.2 313.2 476.8 0.12 26 70 18140 -47.1 -64.1 13 17.0 -48.6 200 46 483.6 483.7 313.8 484.2 0.10 27 65 18627 -49.5 -66.5 12 17.0 -50.8 202 45 488.7 488.8 314.2 489.2 0.08 28 59 19260 -48.5 -66.5 11 18.0 -50.0 205 44 504.7 504.7 315.3 505.2 0.08 29 50 20340 -51.3 -69.3 10 18.0 -52.7 210 42 522.6 522.6 316.5 523.0 0.07 30 47 20740 -53.9 -72.9 8 19.0 -55.0 525.7 525.7 316.6 526.0 0.04 TRP 293 8721 -54.5 -59.1 57 4.6 -54.6 165 44 310.6 310.6 285.6 310.8 0.05 WND 367 7258 -49.6 -53.4 64 3.8 -49.7 145 62 297.7 297.8 280.4 298.0 0.07 Sounding variables and indices 1000-500 mb thick: 5218.00 m Freezing level: Surface below freezing Freezing level: 969.00 mb = 213.80 m = 701.44 ft Freezing level: 969.00 mb = 213.80 m = 701.44 ft Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 75.41 % Est. max temperature: 5.16 C = 41.29 F Sfc-Lift cond lev (LCL): 976.46 mb = 152.48 m = 500.26 ft T: -0.23 C 700-500 lapse rate: 7.04 C/km ThetaE index: 0.21 C Layer 925.0- 850.0 mb Conv cond level (CCL): 851.46 mb = 1235.46 m = 4053.29 ft Mean mixing ratio: 2.65 g/kg Conv temperature: 4.87 C = 40.76 F Cap Strength: 7.04 C Lifted Index: 7.05 C Risk: None Lifted Index @300 mb: 18.90 C Lifted Index @700 mb: 3.15 C Showalter Index: 6.05 C Risk: None Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 24.10 C K Index: 14.10 Risk: None Sweat Index: 95.00 Risk: None Energy Index: 1.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.56 J/kg Max Up Vert Vel: 4.60 m/s Conv Inhibition (B-): 37610.20 J/kg Cap Strength: 7.04 C Lift Cond Lev (LCL): 887.43 mb = 910.06 m = 2985.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 172 at 19 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 ---------------------------------------------------------- 0 992 26 340 3 1.0 -2.8 | 351 22 3.6 -22.2 1 925 584 70 5 -4.7 -1.7 | 6 21 -2.1 -21.0 2 850 1249 75 7 -6.8 -1.8 | 11 22 -4.2 -21.1 3 700 2736 155 33 -13.9 29.9 | 133 16 -11.4 10.6 4 500 5180 140 35 -22.5 26.8 | 111 21 -19.9 7.5 5 400 6690 135 54 -38.2 38.2 | 118 40 -35.6 18.9 6 367 7258 145 62 -35.6 50.8 | 134 46 -33.0 31.5 7 300 8570 165 44 -11.4 42.5 | 159 25 -8.8 23.2 8 293 8721 165 44 -11.4 42.5 | 159 25 -8.8 23.2 9 250 9750 180 42 0.0 42.0 | 186 23 2.5 22.7 10 200 11210 195 46 11.9 44.4 | 210 29 14.5 25.1 11 150 13120 205 36 15.2 32.6 | 233 22 17.8 13.3 12 100 15790 205 38 16.1 34.4 | 231 24 18.6 15.1 13 70 18140 200 46 15.7 43.2 | 217 30 18.3 23.9 14 50 20340 210 42 21.0 36.4 | 234 29 23.5 17.0 Wind Parameters Mean winds (0-6000m): 142.5 at 26.0 knts Storm direction: 172.5 at 19.5 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 138.9 deg Storm rel helicity (0-3000m) pos: 229.0 neg: -2.5 tot: 226.5 m^2/s^2 ave: 75.5 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 7.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.11 Bulk Shear: 100.10 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 34 4 359 23| 5.4 0.0 5.4| 32.0 0.0 32.0 63.9 0.93| 5.9 5.5 1000 59 5 4 22| 3.7 0.0 3.7| 42.8 0.0 42.8 42.8 0.92| 4.1 3.7 1500 70 6 8 22| 4.5 0.0 4.5| 77.7 0.0 77.7 51.8 0.95| 4.8 4.6 2000 92 8 17 20| 5.9 0.0 5.9|138.1 0.0 138.1 69.0 0.96| 6.6 6.3 2500 120 12 30 16| 6.6 0.0 6.6|201.2 0.0 201.2 80.5 0.96| 8.3 8.0 3000 138 15 43 11| 6.2 0.0 6.2|229.0 -2.5 226.5 75.5 0.94| 8.2 7.7 4000 144 20 70 10| 4.7 0.5 5.1|229.0 -15.8 213.2 53.3 0.82| 6.7 5.4 5000 144 23 87 11| 3.7 0.8 4.5|229.0 -30.7 198.3 39.7 0.71| 5.7 4.1 6000 142 26 96 13| 3.1 1.4 4.5|246.0 -32.3 213.7 35.6 0.62| 5.7 3.6 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251209.12.gif