UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 14 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 1000 18 5.2 4.7 97 0.5 4.9 65 13 278.4 279.3 278.1 292.9 5.35 1 976 216 4.0 0.6 78 3.4 2.5 68 14 279.1 279.8 276.9 290.4 4.09 2 935 562 0.4 -2.3 82 2.7 -0.7 74 16 278.9 279.4 275.9 288.4 3.45 3 925 648 0.4 -2.2 83 2.6 -0.7 75 17 279.7 280.3 276.4 289.5 3.51 4 893 929 -0.5 -3.2 82 2.7 -1.6 71 16 281.6 282.2 277.2 291.1 3.38 5 850 1319 -3.5 -5.7 85 2.2 -4.3 65 15 282.5 283.0 277.1 290.8 2.94 6 700 2823 -14.5 -17.6 77 3.1 -15.3 15 9 286.4 286.7 276.9 290.5 1.37 7 592 4066 -23.9 -28.9 63 5.0 -24.6 343 9 289.6 289.7 277.4 291.4 0.59 8 500 5270 -34.1 -38.4 65 4.3 -34.4 310 9 291.5 291.5 277.9 292.4 0.28 9 459 5865 -40.1 -44.1 65 4.0 -40.3 306 11 291.2 291.2 277.5 291.7 0.17 10 414 6568 -43.1 -46.8 67 3.7 -43.3 302 12 296.0 296.1 279.8 296.5 0.14 11 400 6800 -44.7 -48.5 66 3.8 -44.9 300 13 296.9 296.9 280.1 297.3 0.12 12 346 7753 -51.9 -55.5 65 3.6 -52.0 300 19 299.7 299.7 281.3 299.9 0.06 13 319 8276 -54.3 -58.2 62 3.9 -54.4 300 23 303.4 303.4 282.8 303.6 0.05 14 300 8670 -53.1 -57.0 62 3.9 -53.2 295 25 310.5 310.5 285.6 310.7 0.06 15 250 9850 -51.7 -55.9 61 4.2 -51.8 295 29 329.2 329.2 291.6 329.5 0.08 16 200 11310 -50.5 -56.5 49 6.0 -50.7 295 21 352.8 352.8 297.3 353.2 0.09 17 190 11645 -48.5 -54.5 50 6.0 -48.8 292 21 361.2 361.3 299.1 361.8 0.12 18 150 13190 -49.7 -56.7 44 7.0 -50.1 280 23 384.4 384.5 303.1 385.0 0.12 19 100 15840 -50.9 -58.9 38 8.0 -51.4 285 23 429.4 429.4 308.9 430.1 0.14 20 84 16979 -48.7 -57.7 34 9.0 -49.5 278 21 455.8 455.9 311.5 456.9 0.19 21 70 18170 -51.1 -60.1 33 9.0 -51.8 270 19 475.1 475.1 313.1 476.0 0.17 22 62 18963 -49.1 -58.1 34 9.0 -50.1 272 16 496.3 496.3 314.8 497.7 0.24 23 50 20370 -50.3 -59.3 34 9.0 -51.4 275 11 524.9 525.0 316.7 526.6 0.26 24 47 20771 -51.5 -59.5 38 8.0 -52.5 274 10 531.4 531.5 317.1 533.2 0.27 25 39 21989 -47.7 -55.7 39 8.0 -49.3 273 8 570.2 570.4 319.3 573.8 0.52 26 33 23081 -51.1 -59.1 38 8.0 -52.4 271 6 589.1 589.2 320.2 592.0 0.40 27 30 23700 -51.1 -59.1 38 8.0 -52.5 270 5 605.3 605.5 321.0 608.6 0.44 28 26 24637 -48.1 -56.1 39 8.0 -50.1 639.1 639.4 322.5 644.9 0.74 29 21 26039 -50.1 -58.1 38 8.0 -52.1 673.4 673.7 323.7 679.3 0.71 TRP 319 8276 -54.3 -58.2 62 3.9 -54.4 300 23 303.4 303.4 282.8 303.6 0.05 WND Sounding variables and indices 1000-500 mb thick: 5252.15 m Freezing level: 910.78 mb = 772.68 m = 2535.01 ft Wetbulb zero: 943.85 mb = 485.76 m = 1593.70 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 74.74 % Est. max temperature: 9.33 C = 48.79 F Sfc-Lift cond lev (LCL): 992.32 mb = 80.62 m = 264.48 ft T: 4.82 C 700-500 lapse rate: 8.01 C/km ThetaE index: 4.49 C Layer 976.0- 925.0 mb Conv cond level (CCL): 877.04 mb = 1071.19 m = 3514.37 ft Mean mixing ratio: 3.88 g/kg Conv temperature: 8.78 C = 47.81 F Cap Strength: 1.69 C Lifted Index: 2.06 C Risk: None Lifted Index @300 mb: 14.50 C Lifted Index @700 mb: 1.07 C Showalter Index: 1.51 C Risk: Showers probable Total Totals Index: 59.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.60 C Cross Totals Index: 28.40 C K Index: 21.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 239.00 Risk: None Energy Index: 0.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.79 J/kg Max Up Vert Vel: 4.19 m/s Conv Inhibition (B-): 53626.18 J/kg Cap Strength: 2.05 C Lift Cond Lev (LCL): 912.11 mb = 759.78 m = 2492.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 54 at 8 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 1000 18 65 13 -11.8 -5.5 | 84 5 -5.0 -0.5 1 925 648 75 17 -16.4 -4.4 | 93 10 -9.7 0.6 2 850 1319 65 15 -13.6 -6.3 | 79 7 -6.8 -1.3 3 700 2823 15 9 -2.3 -8.7 | 310 6 4.4 -3.7 4 500 5270 310 9 6.9 -5.8 | 273 14 13.6 -0.8 5 400 6800 300 13 11.3 -6.5 | 275 18 18.0 -1.5 6 319 8276 300 23 19.9 -11.5 | 284 27 26.7 -6.5 7 300 8670 295 25 22.7 -10.6 | 281 30 29.4 -5.6 8 250 9850 295 29 26.3 -12.3 | 282 34 33.0 -7.3 9 200 11310 295 21 19.0 -8.9 | 279 26 25.8 -3.9 10 150 13190 280 23 22.7 -4.0 | 268 29 29.4 1.0 11 100 15840 285 23 22.2 -6.0 | 272 29 29.0 -1.0 12 70 18170 270 19 19.0 -0.0 | 259 26 25.7 5.0 13 50 20370 275 11 11.0 -1.0 | 257 18 17.7 4.0 14 30 23700 270 5 5.0 -0.0 | 247 13 11.7 5.0 Wind Parameters Mean winds (0-6000m): 23.5 at 11.2 knts Storm direction: 53.5 at 8.4 knts Shear (0-3000m) pos: 0.6 neg: 2.5 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): -137.6 deg Storm rel helicity (0-3000m) pos: 2.2 neg: -19.9 tot: -17.7 m^2/s^2 ave: -5.9 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 3.5 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.60 Bulk Shear: 14.75 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 70 15 89 7| 3.9 0.0 3.9| 1.6 0.0 1.6 3.3 0.23| 3.9 0.9 1000 71 16 90 8| 1.9 0.5 2.4| 2.2 -2.6 -0.4 -0.4 0.00| 3.2 0.0 1500 69 15 87 8| 1.3 1.5 2.8| 2.2 -7.0 -4.8 -3.2 -0.25| 3.3 -0.8 2000 66 15 80 7| 1.0 2.2 3.2| 2.2 -12.2 -10.0 -5.0 -0.46| 3.6 -1.7 2500 62 14 73 6| 0.8 2.5 3.2| 2.2 -16.6 -14.4 -5.8 -0.57| 3.7 -2.1 3000 58 13 65 5| 0.6 2.5 3.1| 2.2 -19.9 -17.7 -5.9 -0.60| 3.5 -2.1 4000 47 12 34 4| 0.5 2.4 2.9| 2.2 -24.8 -22.6 -5.7 -0.59| 3.2 -1.9 5000 36 12 1 4| 0.4 2.2 2.6| 2.2 -33.7 -31.5 -6.3 -0.60| 3.0 -1.8 6000 24 11 337 6| 0.3 2.1 2.4| 3.5 -36.5 -33.0 -5.5 -0.56| 2.8 -1.5 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251014.12.gif