UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for X2618... Searching the city database file for: X2618 ... Date:0000Z 15 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 ------------------------------------------------------------------------------- SFC 1002 20 5.4 2.0 79 3.4 3.8 90 9 278.4 279.1 276.9 290.5 4.41 1 1000 36 6.2 1.2 70 5.0 3.9 90 9 279.4 280.1 277.1 290.9 4.17 2 925 667 0.0 -4.2 73 4.2 -1.6 95 11 279.3 279.8 275.5 287.8 3.02 3 887 1001 -3.1 -6.6 77 3.5 -4.3 97 10 279.5 279.9 275.0 286.9 2.63 4 872 1136 -3.5 -7.1 76 3.6 -4.8 98 10 280.4 280.9 275.5 287.7 2.57 5 850 1338 -4.5 -9.5 68 5.0 -6.1 100 9 281.4 281.8 275.5 287.7 2.18 6 834 1487 -4.9 -12.9 53 8.0 -7.3 108 8 282.5 282.8 275.3 287.5 1.70 7 824 1582 -5.7 -15.7 45 10.0 -8.5 113 8 282.7 282.9 274.9 286.7 1.36 8 746 2353 -11.1 -16.1 67 5.0 -12.4 154 5 285.0 285.2 276.3 289.3 1.46 9 700 2838 -14.9 -19.8 66 4.9 -16.0 180 3 286.0 286.2 276.3 289.4 1.13 10 500 5290 -33.9 -38.5 63 4.6 -34.3 235 17 291.7 291.8 278.0 292.6 0.27 11 480 5574 -36.7 -41.4 62 4.7 -37.0 244 17 291.7 291.7 277.9 292.4 0.21 12 436 6236 -39.5 -44.5 59 5.0 -39.8 266 16 296.3 296.3 279.9 296.8 0.17 13 400 6820 -44.1 -49.1 57 5.0 -44.3 285 15 297.7 297.7 280.5 298.1 0.11 14 363 7464 -49.1 -54.1 56 5.0 -49.3 287 19 299.4 299.4 281.1 299.6 0.07 15 314 8407 -53.7 -58.7 54 5.0 -53.8 290 25 305.6 305.7 283.7 305.8 0.04 16 309 8510 -53.9 -58.9 54 5.0 -54.0 290 26 306.8 306.8 284.1 306.9 0.04 17 300 8700 -53.1 -59.1 48 6.0 -53.2 290 27 310.5 310.5 285.5 310.7 0.04 18 250 9870 -52.5 -59.5 43 7.0 -52.7 280 21 328.0 328.0 291.2 328.2 0.05 19 208 11072 -48.1 -58.1 31 10.0 -48.5 268 18 352.6 352.6 297.3 352.9 0.07 20 200 11330 -49.5 -59.5 30 10.0 -49.8 265 17 354.4 354.4 297.6 354.7 0.06 21 180 12016 -50.9 -62.9 23 12.0 -51.3 265 18 362.9 362.9 299.3 363.1 0.04 22 172 12313 -48.7 -61.7 21 13.0 -49.2 265 18 371.3 371.3 300.8 371.6 0.06 23 150 13210 -48.7 -63.7 16 15.0 -49.3 265 19 386.2 386.2 303.2 386.4 0.05 24 122 14566 -50.9 -68.9 10 18.0 -51.5 260 21 405.6 405.6 306.0 405.8 0.03 25 100 15870 -49.1 -69.1 8 20.0 -50.0 255 23 432.9 432.9 309.1 433.0 0.03 26 87 16782 -50.9 -70.9 8 20.0 -51.8 259 21 446.8 446.8 310.6 447.0 0.03 27 70 18200 -50.9 -72.9 6 22.0 -52.0 265 17 475.5 475.5 313.1 475.7 0.03 28 59 19320 -48.7 -70.7 6 22.0 -50.3 265 18 504.3 504.3 315.2 504.6 0.05 29 54 19899 -51.9 -73.9 5 22.0 -53.2 265 19 509.8 509.8 315.7 510.0 0.03 30 50 20400 -50.1 -74.1 4 24.0 -51.7 265 19 525.4 525.4 316.6 525.6 0.03 31 44 21236 -49.3 -73.3 4 24.0 -51.2 250 16 546.9 546.9 317.9 547.2 0.04 32 35 22739 -47.9 -71.9 5 24.0 -50.5 223 12 587.6 587.6 320.0 588.1 0.07 33 30 23750 -50.3 -74.3 4 24.0 -52.7 205 9 607.5 607.5 321.0 607.9 0.05 34 23 25480 -51.5 -74.5 5 23.0 -54.1 651.9 652.0 322.8 652.5 0.07 TRP 314 8407 -53.7 -58.7 54 5.0 -53.8 290 25 305.6 305.7 283.7 305.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5254.00 m Freezing level: 925.00 mb = 667.00 m = 2188.29 ft Wetbulb zero: 946.84 mb = 478.13 m = 1568.66 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 65.19 % Est. max temperature: 8.35 C = 47.03 F Sfc-Lift cond lev (LCL): 950.91 mb = 443.44 m = 1454.84 ft T: 2.20 C 700-500 lapse rate: 7.75 C/km ThetaE index: 3.99 C Layer 925.0- 872.0 mb Conv cond level (CCL): 887.74 mb = 994.57 m = 3262.99 ft Mean mixing ratio: 3.44 g/kg Conv temperature: 6.48 C = 43.66 F Cap Strength: 1.54 C Lifted Index: 3.11 C Risk: None Lifted Index @300 mb: 15.32 C Lifted Index @700 mb: 1.43 C Showalter Index: 4.05 C Risk: None Total Totals Index: 53.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.40 C Cross Totals Index: 24.40 C K Index: 15.00 Risk: < 20 % chance of thunderstorms Sweat Index: 131.00 Risk: None Energy Index: 1.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.26 J/kg Max Up Vert Vel: 0.72 m/s Conv Inhibition (B-): 46890.43 J/kg Cap Strength: 3.01 C Lift Cond Lev (LCL): 889.57 mb = 978.22 m = 3209.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 232 at 7 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 1002 20 90 9 -9.0 0.0 | 73 15 -14.8 -4.6 1 1000 36 90 9 -9.0 0.0 | 73 15 -14.8 -4.6 2 925 667 95 11 -11.0 1.0 | 78 17 -16.7 -3.6 3 850 1338 100 9 -8.9 1.6 | 78 15 -14.6 -3.0 4 700 2838 180 3 0.0 3.0 | 75 6 -5.8 -1.6 5 500 5290 235 17 13.9 9.8 | 238 10 8.1 5.2 6 400 6820 285 15 14.5 -3.9 | 314 12 8.7 -8.5 7 314 8407 290 25 23.5 -8.6 | 307 22 17.7 -13.1 8 300 8700 290 27 25.4 -9.2 | 305 24 19.6 -13.8 9 250 9870 280 21 20.7 -3.6 | 299 17 14.9 -8.2 10 200 11330 265 17 16.9 1.5 | 286 12 11.2 -3.1 11 150 13210 265 19 18.9 1.7 | 283 13 13.1 -2.9 12 100 15870 255 23 22.2 6.0 | 265 16 16.4 1.4 13 70 18200 265 17 16.9 1.5 | 286 12 11.2 -3.1 14 50 20400 265 19 18.9 1.7 | 283 13 13.1 -2.9 15 30 23750 205 9 3.8 8.2 | 151 4 -2.0 3.6 Wind Parameters Mean winds (0-6000m): 201.6 at 9.8 knts Storm direction: 231.6 at 7.4 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 11.4 deg Storm rel helicity (0-3000m) pos: 17.3 neg: -3.2 tot: 14.1 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 33.87 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 92 10 75 16| 1.7 0.0 1.7| 4.6 0.0 4.6 9.2 0.65| 1.7 1.1 1000 94 10 76 16| 0.8 0.0 0.8| 6.7 0.0 6.7 6.7 0.49| 1.6 0.8 1500 96 10 77 16| 1.0 0.0 1.0| 10.8 0.0 10.8 7.2 0.45| 2.0 0.9 2000 100 9 79 15| 1.7 0.0 1.7| 15.8 0.0 15.8 7.9 0.43| 2.5 1.1 2500 103 8 79 14| 1.8 0.0 1.8| 16.0 -1.2 14.8 5.9 0.28| 2.7 0.8 3000 105 8 79 13| 1.7 0.0 1.7| 17.3 -3.2 14.1 4.7 0.22| 2.7 0.6 4000 124 7 88 12| 2.1 0.0 2.1| 24.7 -3.2 21.6 5.4 0.44| 2.8 1.2 5000 163 8 113 9| 2.4 0.0 2.4| 34.8 -3.2 31.6 6.3 0.54| 3.0 1.6 6000 202 10 155 5| 2.1 0.0 2.1| 56.4 -3.2 53.3 8.9 0.64| 3.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251015.00.gif