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 X2618... Searching the city database file for: X2618 ... Date:1200Z 8 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 1020 12 0.0 -7.0 59 7.0 -2.4 315 3 271.6 272.0 269.7 277.7 2.21 1 1000 170 -0.9 -7.9 59 7.0 -3.2 15 5 272.2 272.6 269.9 278.1 2.10 2 925 785 -7.3 -11.6 71 4.3 -8.5 350 3 271.8 272.1 269.0 276.6 1.70 3 892 1067 -10.1 -13.3 77 3.2 -10.9 339 4 271.8 272.0 268.7 276.1 1.53 4 878 1190 -6.5 -14.5 53 8.0 -8.7 335 4 276.8 277.0 271.6 280.8 1.41 5 850 1443 -7.7 -25.7 22 18.0 -11.2 325 5 278.1 278.2 271.0 279.8 0.55 6 839 1544 -8.1 -28.1 18 20.0 -11.8 321 5 278.7 278.8 271.2 280.1 0.45 7 776 2145 -12.1 -22.1 43 10.0 -14.2 297 8 280.7 280.8 273.0 283.2 0.84 8 771 2195 -11.9 -21.9 43 10.0 -14.0 295 8 281.4 281.6 273.5 284.0 0.86 9 741 2498 -12.5 -32.5 17 20.0 -15.6 283 9 284.0 284.0 274.0 285.1 0.34 10 700 2931 -14.3 -33.3 18 19.0 -17.1 265 11 286.6 286.7 275.5 287.7 0.33 11 685 3095 -15.1 -35.1 16 20.0 -17.9 265 12 287.5 287.6 275.9 288.5 0.28 12 554 4660 -27.1 -38.1 34 11.0 -28.2 262 19 291.3 291.4 277.7 292.2 0.26 13 500 5390 -33.1 -44.1 32 11.0 -33.8 260 23 292.7 292.7 278.2 293.2 0.15 14 466 5880 -37.5 -49.5 28 12.0 -38.1 262 22 293.2 293.2 278.4 293.5 0.09 15 400 6920 -43.7 -54.7 29 11.0 -44.0 265 21 298.2 298.2 280.6 298.4 0.06 16 370 7440 -47.7 -58.7 27 11.0 -48.0 250 26 299.6 299.6 281.2 299.7 0.04 17 321 8371 -51.7 -61.7 29 10.0 -51.9 223 34 306.5 306.5 284.0 306.6 0.03 18 300 8810 -52.1 -62.1 29 10.0 -52.3 210 38 311.9 311.9 286.1 312.0 0.03 19 269 9512 -54.7 -64.7 28 10.0 -54.9 205 35 318.0 318.0 288.1 318.1 0.02 20 256 9829 -55.3 -66.3 24 11.0 -55.5 205 35 321.7 321.7 289.3 321.7 0.02 21 250 9980 -54.9 -65.9 24 11.0 -55.1 205 35 324.4 324.5 290.1 324.5 0.02 22 207 11197 -54.3 -66.3 22 12.0 -54.5 209 38 343.4 343.4 295.1 343.5 0.02 23 200 11420 -52.7 -64.7 22 12.0 -53.0 210 38 349.3 349.3 296.5 349.5 0.03 24 195 11584 -51.3 -64.3 20 13.0 -51.7 211 37 354.1 354.1 297.5 354.2 0.03 25 171 12432 -53.9 -67.9 16 14.0 -54.2 218 34 363.3 363.3 299.4 363.4 0.02 26 162 12781 -51.7 -66.7 15 15.0 -52.1 221 33 372.7 372.7 301.1 372.8 0.03 27 150 13280 -52.1 -67.1 15 15.0 -52.5 225 31 380.3 380.3 302.3 380.4 0.03 28 100 15900 -52.7 -70.7 10 18.0 -53.4 240 33 425.9 425.9 308.4 426.0 0.03 29 70 18230 -48.7 -68.7 8 20.0 -50.0 225 35 480.2 480.2 313.5 480.5 0.05 30 67 18519 -47.3 -68.3 7 21.0 -48.9 226 35 489.3 489.3 314.2 489.6 0.06 31 54 19937 -50.5 -71.5 7 21.0 -52.0 229 33 513.0 513.1 315.9 513.3 0.05 32 50 20440 -49.9 -71.9 6 22.0 -51.5 230 33 525.9 525.9 316.7 526.2 0.05 33 42 21590 -45.1 -68.1 6 23.0 -48.0 215 36 564.7 564.7 318.9 565.3 0.10 34 41 21751 -45.1 -68.1 6 23.0 -48.0 213 36 568.6 568.6 319.1 569.2 0.10 35 37 22430 -48.7 -70.7 6 22.0 -51.0 203 38 576.3 576.3 319.5 576.8 0.07 36 32 23379 -50.5 -73.5 5 23.0 -52.7 191 41 595.9 595.9 320.5 596.3 0.06 37 30 23800 -49.9 -73.9 4 24.0 -52.4 185 42 608.6 608.6 321.0 609.0 0.06 38 29 24023 -47.3 -71.3 5 24.0 -50.5 185 42 621.7 621.7 321.6 622.4 0.09 39 22 25851 -46.3 -70.3 5 24.0 -50.5 181 45 675.8 675.8 323.7 676.9 0.13 40 20 26480 -48.9 -72.9 4 24.0 -52.5 180 46 686.5 686.5 324.0 687.3 0.10 41 17 27555 -45.9 -69.9 5 24.0 -51.0 728.8 728.9 325.4 730.4 0.18 42 14 28838 -48.9 -72.9 4 24.0 -53.5 760.2 760.3 326.3 761.6 0.14 TRP 269 9512 -54.7 -64.7 28 10.0 -54.9 205 35 318.0 318.0 288.1 318.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5220.00 m Freezing level: 1020.00 mb = 11.82 m = 38.79 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 35.83 % Est. max temperature: 5.56 C = 42.00 F Sfc-Lift cond lev (LCL): 914.11 mb = 876.93 m = 2877.03 ft T: -8.21 C 700-500 lapse rate: 7.65 C/km ThetaE index: 1.97 C Layer 925.0- 878.0 mb Conv cond level (CCL): 732.35 mb = 2587.36 m = 8488.63 ft Mean mixing ratio: 1.94 g/kg Conv temperature: 13.00 C = 55.39 F Cap Strength: 12.37 C Lifted Index: 12.88 C Risk: None Lifted Index @300 mb: 24.46 C Lifted Index @700 mb: 10.35 C Showalter Index: 11.00 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 25.40 C Cross Totals Index: 7.40 C K Index: -19.30 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 2.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.48 J/kg Max Up Vert Vel: 2.23 m/s Conv Inhibition (B-): 70914.46 J/kg Cap Strength: 12.85 C Lift Cond Lev (LCL): 884.31 mb = 1134.30 m = 3721.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 9 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 1020 12 315 3 2.1 -2.1 | 112 6 -6.0 2.4 1 1000 170 15 5 -1.3 -4.8 | 88 9 -9.4 -0.3 2 925 785 350 3 0.5 -3.0 | 102 8 -7.6 1.6 3 850 1443 325 5 2.9 -4.1 | 95 5 -5.3 0.4 4 700 2931 265 11 11.0 1.0 | 207 6 2.8 5.5 5 500 5390 260 23 22.7 4.0 | 240 17 14.5 8.5 6 400 6920 265 21 20.9 1.8 | 244 14 12.8 6.4 7 300 8810 210 38 19.0 32.9 | 196 39 10.8 37.4 8 269 9512 205 35 14.8 31.7 | 190 37 6.6 36.2 9 250 9980 205 35 14.8 31.7 | 190 37 6.6 36.2 10 200 11420 210 38 19.0 32.9 | 196 39 10.8 37.4 11 150 13280 225 31 21.9 21.9 | 208 30 13.8 26.4 12 100 15900 240 33 28.6 16.5 | 224 29 20.4 21.0 13 70 18230 225 35 24.7 24.7 | 210 34 16.6 29.3 14 50 20440 230 33 25.3 21.2 | 214 31 17.1 25.7 15 30 23800 185 42 3.7 41.8 | 174 47 -4.5 46.4 16 20 26480 180 46 0.0 46.0 | 171 51 -8.2 50.5 Wind Parameters Mean winds (0-6000m): 269.0 at 12.4 knts Storm direction: 299.0 at 9.3 knts Shear (0-3000m) pos: 0.5 neg: 2.1 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 98.2 deg Storm rel helicity (0-3000m) pos: 6.7 neg: -7.1 tot: -0.4 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 24.31 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 5 4 92 9| 2.9 0.0 2.9| 2.0 -5.5 -3.5 -7.1 -0.36| 5.9 -2.1 1000 360 4 95 8| 1.4 0.7 2.1| 4.0 -6.2 -2.2 -2.2 -0.19| 3.9 -0.8 1500 348 4 94 7| 1.0 1.1 2.1| 4.0 -7.0 -3.0 -2.0 -0.20| 3.3 -0.7 2000 335 5 93 6| 0.7 1.6 2.3| 4.5 -7.0 -2.6 -1.3 -0.10| 3.3 -0.3 2500 319 5 96 5| 0.6 1.9 2.5| 5.8 -7.0 -1.3 -0.5 0.09| 3.4 0.3 3000 302 6 114 3| 0.5 2.1 2.6| 6.7 -7.1 -0.4 -0.1 0.11| 3.4 0.4 4000 283 8 173 3| 0.4 2.2 2.6| 12.8 -7.1 5.7 1.4 0.20| 3.2 0.7 5000 274 10 209 4| 0.3 2.3 2.6| 18.1 -7.1 11.0 2.2 0.22| 3.1 0.7 6000 269 12 222 6| 0.3 2.0 2.4| 21.7 -7.1 14.7 2.4 0.23| 2.8 0.6 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251208.12.gif