UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for X2618... Searching the city database file for: X2618 ... Date:0000Z 9 DEC 25 Station: X2618 WMO ident: 32618 Latitude: 55.20 Longitude: 165.98 ------------------------------------------------------------------------------- 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 1018 17 1.0 -3.7 71 4.7 -0.7 135 15 272.8 273.2 271.5 280.5 2.85 1 1000 160 -0.5 -6.5 64 6.0 -2.6 150 11 272.6 273.0 270.6 279.1 2.35 2 925 776 -6.1 -10.0 74 3.9 -7.2 165 17 273.1 273.4 270.2 278.4 1.93 3 885 1121 -9.1 -11.8 81 2.7 -9.8 162 19 273.4 273.7 270.1 278.3 1.75 4 882 1147 -9.1 -11.8 81 2.7 -9.8 162 19 273.7 274.0 270.3 278.6 1.75 5 850 1435 -7.5 -16.5 48 9.0 -9.8 160 21 278.3 278.5 272.2 281.9 1.24 6 805 1857 -7.9 -25.9 22 18.0 -11.5 164 23 282.2 282.3 273.5 284.0 0.57 7 792 1983 -8.7 -28.7 18 20.0 -12.4 165 23 282.7 282.8 273.5 284.1 0.45 8 703 2898 -13.3 -27.3 30 14.0 -15.9 175 27 287.4 287.5 276.3 289.2 0.58 9 700 2930 -13.5 -27.5 30 14.0 -16.0 175 27 287.5 287.6 276.3 289.3 0.57 10 530 4977 -29.9 -38.9 41 9.0 -30.7 171 32 291.7 291.7 277.9 292.5 0.25 11 500 5390 -31.5 -38.5 50 7.0 -32.1 170 33 294.6 294.7 279.3 295.6 0.27 12 423 6545 -42.1 -48.1 52 6.0 -42.3 185 37 295.5 295.5 279.5 295.9 0.12 13 400 6920 -45.5 -50.5 57 5.0 -45.7 190 38 295.9 295.9 279.6 296.2 0.09 14 300 8800 -55.9 -62.9 41 7.0 -56.0 200 38 306.6 306.6 284.1 306.7 0.03 15 271 9445 -56.1 -63.1 41 7.0 -56.2 200 42 315.3 315.3 287.2 315.4 0.03 16 250 9960 -53.5 -61.5 37 8.0 -53.7 200 46 326.5 326.5 290.7 326.7 0.04 17 242 10170 -51.7 -59.7 38 8.0 -51.9 203 44 332.3 332.3 292.4 332.5 0.05 18 229 10525 -53.7 -62.7 32 9.0 -53.9 208 41 334.5 334.5 293.0 334.7 0.04 19 202 11335 -50.9 -60.9 30 10.0 -51.2 219 34 351.2 351.2 297.0 351.4 0.05 20 200 11400 -51.1 -62.1 26 11.0 -51.4 220 33 351.8 351.9 297.1 352.0 0.04 21 157 12974 -52.7 -66.7 17 14.0 -53.1 224 36 374.4 374.4 301.4 374.5 0.03 22 150 13270 -51.1 -65.1 17 14.0 -51.6 225 36 382.0 382.0 302.6 382.2 0.04 23 133 14057 -48.5 -64.5 14 16.0 -49.2 228 38 400.0 400.0 305.2 400.3 0.05 24 100 15930 -49.1 -69.1 8 20.0 -50.0 235 42 432.9 432.9 309.1 433.0 0.03 25 83 17152 -48.3 -69.3 7 21.0 -49.6 251 36 458.2 458.2 311.6 458.4 0.04 26 80 17393 -50.1 -71.1 7 21.0 -51.1 254 35 459.3 459.3 311.7 459.5 0.03 27 71 18168 -52.1 -73.1 6 21.0 -53.1 264 31 471.0 471.0 312.7 471.2 0.03 28 70 18260 -50.9 -72.9 6 22.0 -52.0 265 31 475.5 475.5 313.1 475.7 0.03 29 66 18647 -45.5 -68.5 6 23.0 -47.4 257 32 495.3 495.3 314.7 495.7 0.06 30 56 19726 -52.5 -74.5 5 22.0 -53.7 235 36 503.2 503.2 315.2 503.4 0.03 31 50 20460 -51.1 -74.1 5 23.0 -52.6 220 38 523.1 523.1 316.5 523.3 0.03 32 37 22442 -45.7 -69.7 5 24.0 -48.7 202 39 584.0 584.0 319.9 584.6 0.09 33 32 23404 -48.5 -72.5 5 24.0 -51.2 194 40 601.2 601.2 320.7 601.7 0.07 34 30 23830 -46.7 -70.7 5 24.0 -50.0 190 40 617.3 617.4 321.4 618.0 0.09 35 24 25308 -45.9 -69.9 5 24.0 -50.0 187 42 660.3 660.4 323.1 661.4 0.13 36 21 26188 -48.9 -72.9 4 24.0 -52.4 186 44 677.0 677.0 323.7 677.8 0.10 37 20 26510 -46.1 -70.1 5 24.0 -50.6 185 44 695.1 695.1 324.3 696.4 0.15 38 11 30460 -49.1 -73.1 4 24.0 -54.4 813.8 813.9 327.6 815.6 0.18 TRP 300 8800 -55.9 -62.9 41 7.0 -56.0 200 38 306.6 306.6 284.1 306.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5230.00 m Freezing level: 1006.00 mb = 112.38 m = 368.69 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 42.76 % Est. max temperature: 3.94 C = 39.09 F Sfc-Lift cond lev (LCL): 946.10 mb = 597.75 m = 1961.11 ft T: -4.48 C 700-500 lapse rate: 7.32 C/km ThetaE index: 2.20 C Layer 1000.0- 882.0 mb Conv cond level (CCL): 887.97 mb = 1094.88 m = 3592.09 ft Mean mixing ratio: 2.20 g/kg Conv temperature: 1.66 C = 34.99 F Cap Strength: 11.15 C Lifted Index: 13.25 C Risk: None Lifted Index @300 mb: 19.61 C Lifted Index @700 mb: 9.98 C Showalter Index: 10.96 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 15.00 C K Index: -6.50 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.76 J/kg Max Up Vert Vel: 1.23 m/s Conv Inhibition (B-): 68756.70 J/kg Cap Strength: 12.87 C Lift Cond Lev (LCL): 895.49 mb = 1029.03 m = 3376.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 200 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 1018 17 135 15 -10.6 10.6 | 66 19 -17.2 -7.6 1 1000 160 150 11 -5.5 9.5 | 54 15 -12.1 -8.7 2 925 776 165 17 -4.4 16.4 | 81 11 -11.0 -1.8 3 850 1435 160 21 -7.2 19.7 | 96 14 -13.8 1.5 4 700 2930 175 27 -2.4 26.9 | 134 12 -8.9 8.7 5 500 5390 170 33 -5.7 32.5 | 139 19 -12.3 14.3 6 400 6920 190 38 6.6 37.4 | 180 19 0.0 19.2 7 300 8800 200 38 13.0 35.7 | 200 19 6.4 17.5 8 250 9960 200 46 15.7 43.2 | 200 27 9.1 25.0 9 200 11400 220 33 21.2 25.3 | 244 16 14.6 7.0 10 150 13270 225 36 25.5 25.5 | 249 20 18.9 7.2 11 100 15930 235 42 34.4 24.1 | 258 28 27.8 5.9 12 70 18260 265 31 30.9 2.7 | 303 29 24.3 -15.5 13 50 20460 220 38 24.4 29.1 | 239 21 17.8 10.9 14 30 23830 190 40 6.9 39.4 | 181 21 0.4 21.2 15 20 26510 185 44 3.8 43.8 | 174 26 -2.8 25.6 Wind Parameters Mean winds (0-6000m): 169.9 at 25.9 knts Storm direction: 199.9 at 19.4 knts Shear (0-3000m) pos: 2.9 neg: 0.5 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 68.3 deg Storm rel helicity (0-3000m) pos: 58.8 neg: -12.6 tot: 46.2 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 27.20 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 ------------------------------------------------------------------------------- 500 151 13 61 15| 6.2 0.0 6.2| 10.2 -12.6 -2.4 -4.8 -0.00| 8.7 -0.0 1000 158 15 69 13| 4.5 0.0 4.5| 22.5 -12.6 9.9 9.9 0.30| 6.7 2.0 1500 160 16 77 13| 3.0 1.0 4.0| 30.9 -12.6 18.2 12.2 0.39| 5.5 2.2 2000 161 18 84 13| 3.0 0.8 3.7| 40.5 -12.6 27.9 13.9 0.48| 4.9 2.3 2500 163 19 91 12| 3.0 0.6 3.6| 50.3 -12.6 37.6 15.1 0.55| 4.5 2.5 3000 165 20 97 12| 2.9 0.5 3.4| 58.8 -12.6 46.2 15.4 0.59| 4.2 2.5 4000 168 22 108 12| 2.2 0.7 2.9| 61.4 -12.6 48.8 12.2 0.56| 3.5 2.0 5000 169 24 116 12| 1.8 0.9 2.6| 63.3 -12.6 50.7 10.1 0.52| 3.1 1.6 6000 170 26 123 13| 1.9 0.7 2.6| 89.7 -12.6 77.1 12.8 0.58| 3.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251209.00.gif