UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 8 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 ------------------------------------------------------------------------------- SFC 1005 23 -0.5 -3.7 79 3.2 -1.7 90 3 272.3 272.7 271.2 280.1 2.89 1 1000 63 -0.3 -4.0 76 3.7 -1.7 95 7 272.9 273.3 271.5 280.6 2.84 2 950 474 -0.9 -9.9 50 9.0 -3.8 131 24 276.3 276.6 272.1 281.6 1.89 3 925 687 -1.7 -9.7 54 8.0 -4.3 150 33 277.6 277.9 273.0 283.2 1.98 4 850 1353 -6.7 -11.0 71 4.3 -8.0 185 29 279.1 279.5 273.8 284.7 1.94 5 791 1911 -10.3 -12.9 81 2.6 -11.1 179 25 281.1 281.4 274.7 286.3 1.79 6 764 2178 -11.3 -14.5 77 3.2 -12.2 177 24 282.8 283.1 275.4 287.6 1.62 7 700 2842 -16.7 -22.7 60 6.0 -17.9 170 19 284.0 284.1 274.9 286.7 0.88 8 620 3741 -22.3 -29.3 53 7.0 -23.3 186 25 287.6 287.7 276.3 289.3 0.55 9 599 3993 -24.5 -32.5 47 8.0 -25.5 191 27 287.9 288.0 276.3 289.2 0.42 10 500 5280 -34.1 -42.1 44 8.0 -34.7 215 36 291.5 291.5 277.7 292.1 0.19 11 485 5493 -35.7 -43.7 44 8.0 -36.2 213 39 292.0 292.1 277.9 292.6 0.16 12 400 6800 -47.7 -52.7 56 5.0 -47.9 200 56 293.0 293.0 278.3 293.2 0.07 13 394 6900 -48.7 -53.7 56 5.0 -48.8 199 57 293.0 293.0 278.2 293.2 0.07 14 380 7138 -50.1 -55.1 55 5.0 -50.2 198 59 294.2 294.2 278.8 294.4 0.06 15 349 7689 -54.7 -59.7 54 5.0 -54.8 195 64 295.2 295.2 279.2 295.3 0.03 16 328 8084 -58.1 -63.1 53 5.0 -58.2 205 54 295.8 295.8 279.5 295.9 0.02 17 300 8650 -56.3 -61.3 53 5.0 -56.4 200 56 306.0 306.0 283.8 306.1 0.03 18 250 9820 -53.3 -58.3 54 5.0 -53.4 205 36 326.8 326.8 290.9 327.1 0.06 19 200 11260 -50.9 -56.9 49 6.0 -51.1 195 35 352.2 352.2 297.2 352.5 0.09 20 188 11664 -51.1 -58.1 43 7.0 -51.4 200 37 358.1 358.1 298.4 358.5 0.08 21 150 13140 -49.7 -57.7 39 8.0 -50.1 220 44 384.4 384.5 303.1 384.9 0.11 22 100 15780 -50.9 -60.9 30 10.0 -51.5 225 31 429.4 429.4 308.8 429.9 0.11 23 70 18120 -48.1 -60.1 24 12.0 -49.3 230 40 481.5 481.5 313.7 482.5 0.17 24 66 18510 -46.9 -58.9 24 12.0 -48.3 234 37 492.3 492.3 314.5 493.5 0.21 25 56 19591 -51.3 -63.3 23 12.0 -52.4 247 29 505.9 506.0 315.4 506.8 0.14 26 53 19950 -51.1 -64.1 20 13.0 -52.2 251 26 514.4 514.4 316.0 515.2 0.13 27 50 20330 -50.9 -63.9 20 13.0 -52.1 255 23 523.5 523.6 316.6 524.4 0.14 28 34 22854 -44.9 -58.9 19 14.0 -47.8 217 21 600.4 600.5 320.7 603.3 0.40 29 30 23680 -48.3 -62.3 18 14.0 -50.7 205 21 613.0 613.1 321.3 615.2 0.29 30 20 26340 -48.9 -63.9 16 15.0 -52.1 190 23 686.5 686.6 324.1 689.5 0.35 31 19 26676 -49.9 -64.9 16 15.0 -52.9 693.5 693.7 324.3 696.4 0.33 TRP 328 8084 -58.1 -63.1 53 5.0 -58.2 205 54 295.8 295.8 279.5 295.9 0.02 WND 349 7689 -54.7 -59.7 54 5.0 -54.8 195 64 295.2 295.2 279.2 295.3 0.03 Sounding variables and indices 1000-500 mb thick: 5217.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 59.33 % Est. max temperature: 6.27 C = 43.29 F Sfc-Lift cond lev (LCL): 955.90 mb = 424.34 m = 1392.17 ft T: -0.83 C 700-500 lapse rate: 7.14 C/km ThetaE index: 0.90 C Layer 700.0- 620.0 mb Conv cond level (CCL): 788.05 mb = 1939.55 m = 6363.27 ft Mean mixing ratio: 2.20 g/kg Conv temperature: 8.52 C = 47.34 F Cap Strength: 6.51 C Lifted Index: 8.36 C Risk: None Lifted Index @300 mb: 17.10 C Lifted Index @700 mb: 4.55 C Showalter Index: 6.19 C Risk: None Total Totals Index: 50.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 23.10 C K Index: 10.40 Risk: None Sweat Index: 211.50 Risk: None Energy Index: 1.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.99 J/kg Max Up Vert Vel: 6.63 m/s Conv Inhibition (B-): 52374.30 J/kg Cap Strength: 8.22 C Lift Cond Lev (LCL): 856.48 mb = 1293.21 m = 4242.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 220 at 21 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 1005 23 90 3 -3.0 0.0 | 46 23 -16.4 -16.0 1 1000 63 95 7 -7.0 0.6 | 53 26 -20.4 -15.4 2 925 687 150 33 -16.5 28.6 | 113 32 -29.9 12.5 3 850 1353 185 29 2.5 28.9 | 140 17 -10.9 12.9 4 700 2842 170 19 -3.3 18.7 | 99 17 -16.7 2.7 5 500 5280 215 36 20.6 29.5 | 208 15 7.2 13.5 6 400 6800 200 56 19.2 52.6 | 189 37 5.7 36.6 7 349 7689 195 64 16.6 61.8 | 184 46 3.2 45.8 8 328 8084 205 54 22.8 48.9 | 196 34 9.4 32.9 9 300 8650 200 56 19.2 52.6 | 189 37 5.7 36.6 10 250 9820 205 36 15.2 32.6 | 186 17 1.8 16.6 11 200 11260 195 35 9.1 33.8 | 166 18 -4.3 17.8 12 150 13140 220 44 28.3 33.7 | 220 23 14.9 17.7 13 100 15780 225 31 21.9 21.9 | 235 10 8.5 5.9 14 70 18120 230 40 30.6 25.7 | 241 20 17.2 9.7 15 50 20330 255 23 22.2 6.0 | 319 13 8.8 -10.1 16 30 23680 205 21 8.9 19.0 | 123 5 -4.5 3.0 17 20 26340 190 23 4.0 22.7 | 125 12 -9.4 6.6 Wind Parameters Mean winds (0-6000m): 189.9 at 27.9 knts Storm direction: 219.9 at 20.9 knts Shear (0-3000m) pos: 4.7 neg: 1.4 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 58.9 deg Storm rel helicity (0-3000m) pos: 351.7 neg: -49.4 tot: 302.3 m^2/s^2 ave: 100.8 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 6.1 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.26 Bulk Shear: 83.52 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 ------------------------------------------------------------------------------- 500 126 16 75 27| 24.9 0.0 24.9|187.1 0.0 187.1 374.2 0.92| 27.4 25.3 1000 149 23 99 26| 15.7 0.0 15.7|319.1 0.0 319.1 319.1 0.88| 23.9 21.1 1500 160 25 110 23| 9.7 0.0 9.7|345.3 -4.4 340.9 227.3 0.79| 19.4 15.3 2000 166 26 114 22| 7.3 1.0 8.3|345.3 -22.2 323.1 161.6 0.67| 15.6 10.4 2500 168 25 115 20| 5.8 1.6 7.4|345.3 -39.3 306.0 122.4 0.57| 13.3 7.5 3000 169 24 113 20| 4.7 1.4 6.1|351.7 -49.4 302.3 100.8 0.52| 11.7 6.1 4000 173 24 116 18| 4.6 1.0 5.6|389.6 -49.4 340.3 85.1 0.58| 10.1 5.9 5000 182 25 127 16| 4.5 0.8 5.3|431.1 -49.4 381.8 76.4 0.63| 9.3 5.9 6000 190 28 143 14| 4.2 0.3 4.5|442.7 -68.8 374.0 62.3 0.54| 9.0 4.9 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251208.12.gif