UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 9 OCT 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 ------------------------------------------------------------------------------- 0 1000 -16 90 25 SFC 996 17 7.2 6.0 92 1.2 6.6 90 25 280.7 281.7 279.9 296.8 5.89 2 925 618 2.8 0.6 85 2.2 1.8 105 46 282.2 282.9 278.7 294.2 4.32 3 850 1305 -1.1 -3.3 85 2.2 -2.0 110 52 285.0 285.6 279.1 295.0 3.52 4 745 2344 -7.9 -9.9 86 2.0 -8.6 120 42 288.5 289.0 279.4 295.7 2.42 5 700 2826 -10.1 -12.1 85 2.0 -10.7 125 38 291.3 291.7 280.3 297.8 2.16 6 642 3487 -12.7 -14.9 84 2.2 -13.3 124 36 295.6 296.0 281.9 301.4 1.87 7 519 5069 -24.1 -27.2 75 3.1 -24.6 121 30 300.4 300.6 282.6 303.0 0.79 8 500 5340 -24.9 -27.8 77 2.9 -25.4 120 29 302.7 302.8 283.5 305.2 0.78 9 444 6196 -29.7 -32.2 79 2.5 -30.0 131 29 307.1 307.2 284.9 309.0 0.58 10 400 6930 -36.1 -38.9 75 2.8 -36.4 140 29 308.1 308.1 285.0 309.2 0.33 11 316 8528 -47.1 -50.3 70 3.2 -47.2 160 46 314.3 314.3 287.0 314.7 0.12 12 300 8870 -50.1 -53.7 66 3.6 -50.2 165 50 314.7 314.8 287.1 315.1 0.09 13 283 9250 -53.9 -57.7 63 3.8 -54.0 165 61 314.6 314.6 287.0 314.8 0.06 14 250 10040 -59.3 -63.1 61 3.8 -59.3 165 83 317.9 317.9 288.1 318.0 0.03 15 244 10191 -60.2 -63.9 62 3.7 -60.2 165 87 318.8 318.8 288.4 318.9 0.03 16 242 10242 -60.5 -64.2 62 3.7 -60.6 170 85 319.1 319.1 288.5 319.2 0.03 17 200 11440 -55.3 -59.2 62 3.9 -55.4 170 25 345.2 345.2 295.6 345.5 0.07 18 179 12146 -53.7 -57.9 60 4.2 -53.8 183 25 358.9 359.0 298.5 359.3 0.09 19 150 13280 -52.5 -57.2 57 4.7 -52.7 205 25 379.6 379.6 302.3 380.1 0.11 20 100 15920 -49.3 -55.3 49 6.0 -49.8 220 17 432.5 432.5 309.2 433.6 0.21 21 79 17461 -51.1 -58.1 43 7.0 -51.7 227 22 458.9 459.0 311.8 460.0 0.19 22 70 18250 -50.1 -57.1 43 7.0 -50.8 230 25 477.2 477.3 313.4 478.6 0.24 23 50 20450 -49.5 -56.5 44 7.0 -50.5 215 13 526.8 526.9 316.9 529.2 0.37 24 48 20718 -48.5 -55.5 44 7.0 -49.6 214 13 535.4 535.5 317.4 538.2 0.43 25 36 22593 -52.9 -59.9 42 7.0 -53.9 205 12 569.9 570.0 319.3 572.3 0.33 26 34 22963 -51.7 -58.7 43 7.0 -52.8 204 11 582.5 582.6 319.9 585.4 0.41 27 31 23565 -49.5 -56.5 44 7.0 -51.0 201 11 604.0 604.2 321.0 608.4 0.59 28 30 23780 -50.1 -57.1 43 7.0 -51.5 200 11 608.1 608.3 321.2 612.3 0.57 29 22 25803 -50.9 -57.9 43 7.0 -52.5 662.1 662.4 323.3 667.8 0.70 TRP 242 10242 -60.5 -64.2 62 3.7 -60.6 170 85 319.1 319.1 288.5 319.2 0.03 WND 244 10191 -60.2 -63.9 62 3.7 -60.2 165 87 318.8 318.8 288.4 318.9 0.03 Sounding variables and indices 1000-500 mb thick: 5356.00 m Freezing level: 871.15 mb = 1111.23 m = 3645.73 ft Wetbulb zero: 889.12 mb = 939.45 m = 3082.14 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 83.26 % Est. max temperature: 11.65 C = 52.96 F Sfc-Lift cond lev (LCL): 977.85 mb = 166.31 m = 545.63 ft T: 6.11 C 700-500 lapse rate: 5.89 C/km ThetaE index: 2.60 C Layer 925.0- 850.0 mb Conv cond level (CCL): 905.37 mb = 792.27 m = 2599.27 ft Mean mixing ratio: 4.82 g/kg Conv temperature: 9.41 C = 48.95 F Cap Strength: 5.94 C Lifted Index: 7.48 C Risk: None Lifted Index @300 mb: 13.92 C Lifted Index @700 mb: 2.18 C Showalter Index: 7.60 C Risk: None Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 21.60 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 133.00 Risk: None Energy Index: 2.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.25 J/kg Max Up Vert Vel: 4.06 m/s Conv Inhibition (B-): 44244.28 J/kg Cap Strength: 7.49 C Lift Cond Lev (LCL): 920.16 mb = 660.64 m = 2167.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 147 at 28 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 ---------------------------------------------------------- 0 996 17 90 25 -25.0 0.0 | 22 26 -9.5 -23.7 1 925 618 105 46 -44.4 11.9 | 68 31 -29.0 -11.8 2 850 1305 110 52 -48.9 17.8 | 80 34 -33.4 -5.9 3 700 2826 125 38 -31.1 21.8 | 83 16 -15.7 -1.9 4 500 5340 120 29 -25.1 14.5 | 46 13 -9.6 -9.2 5 400 6930 140 29 -18.6 22.2 | 65 3 -3.2 -1.5 6 300 8870 165 50 -12.9 48.3 | 186 25 2.5 24.6 7 250 10040 165 83 -21.5 80.2 | 174 57 -6.0 56.5 8 244 10191 165 87 -22.5 84.0 | 173 61 -7.0 60.3 9 242 10242 170 85 -14.8 83.7 | 181 60 0.7 60.0 10 200 11440 170 25 -4.3 24.6 | 265 11 11.1 0.9 11 150 13280 205 25 10.6 22.7 | 272 26 26.0 -1.0 12 100 15920 220 17 10.9 13.0 | 292 28 26.4 -10.7 13 70 18250 230 25 19.2 16.1 | 282 35 34.6 -7.6 14 50 20450 215 13 7.5 10.6 | 300 26 22.9 -13.0 15 30 23780 200 11 3.8 10.3 | 305 23 19.2 -13.4 Wind Parameters Mean winds (0-6000m): 116.8 at 37.7 knts Storm direction: 146.8 at 28.3 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 58.8 deg Storm rel helicity (0-3000m) pos: 236.5 neg: -3.7 tot: 232.9 m^2/s^2 ave: 77.6 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 19.08 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 99 34 44 26| 19.4 0.0 19.4|132.4 0.0 132.4 264.8 0.97| 19.5 19.0 1000 103 40 58 28| 13.8 0.0 13.8|196.3 0.0 196.3 196.3 0.96| 14.0 13.5 1500 106 44 66 29| 9.8 0.0 9.8|227.1 0.0 227.1 151.4 0.90| 11.3 10.2 2000 108 45 70 29| 6.6 0.0 6.6|234.6 0.0 234.6 117.3 0.78| 10.1 7.9 2500 110 45 72 28| 4.9 0.0 4.9|236.5 0.0 236.5 94.6 0.69| 9.3 6.4 3000 112 44 73 26| 3.8 0.0 3.8|236.5 -3.7 232.9 77.6 0.61| 8.4 5.2 4000 114 42 74 23| 2.8 0.5 3.3|236.5 -17.3 219.2 54.8 0.50| 6.8 3.4 5000 116 40 72 21| 2.3 0.8 3.0|236.5 -30.6 205.9 41.2 0.40| 5.8 2.4 6000 117 38 70 19| 2.1 0.6 2.7|239.5 -34.6 205.0 34.2 0.37| 5.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251009.12.gif