UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 12 OCT 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 46 SFC 986 163 9.8 3.8 66 6.0 6.8 270 9 284.1 285.0 280.6 298.4 5.09 2 952 452 6.6 1.6 70 5.0 4.2 273 9 283.7 284.5 279.7 296.4 4.51 3 925 688 5.8 0.9 71 4.9 3.5 275 9 285.2 286.0 280.3 297.7 4.41 4 850 1374 0.4 -1.6 86 2.0 -0.4 220 11 286.6 287.3 280.4 298.0 4.00 5 700 2915 -6.3 -7.7 90 1.4 -6.8 220 21 295.5 296.1 283.2 304.7 3.06 6 666 3302 -7.7 -9.1 90 1.4 -8.2 220 21 298.2 298.7 284.1 306.9 2.88 7 500 5470 -21.5 -24.8 75 3.3 -22.2 220 19 306.8 307.0 285.4 310.2 1.02 8 446 6305 -27.5 -31.7 67 4.2 -28.1 240 15 309.5 309.6 285.9 311.5 0.60 9 400 7080 -34.5 -38.7 66 4.2 -34.9 260 11 310.2 310.2 285.8 311.3 0.34 10 337 8249 -44.3 -47.6 70 3.3 -44.5 302 19 312.4 312.4 286.4 312.9 0.15 11 300 9020 -48.1 -51.7 66 3.6 -48.3 330 25 317.6 317.6 288.1 318.0 0.11 12 275 9594 -49.9 -53.9 63 4.0 -50.0 335 23 323.0 323.0 289.8 323.3 0.09 13 250 10220 -49.5 -54.1 58 4.6 -49.7 320 19 332.5 332.5 292.5 332.9 0.10 14 222 10993 -49.1 -54.1 56 5.0 -49.3 312 19 344.6 344.6 295.5 345.0 0.11 15 200 11670 -51.7 -57.7 49 6.0 -51.9 305 19 350.9 350.9 296.9 351.2 0.08 16 150 13540 -53.1 -62.1 33 9.0 -53.4 260 17 378.6 378.6 302.1 378.9 0.06 17 100 16140 -56.1 -67.1 24 11.0 -56.5 265 17 419.3 419.3 307.7 419.6 0.05 18 89 16878 -57.5 -68.5 23 11.0 -57.9 262 19 430.7 430.8 308.9 431.0 0.04 19 77 17791 -57.9 -69.9 20 12.0 -58.3 258 21 448.1 448.1 310.7 448.4 0.04 20 70 18390 -59.3 -71.3 20 12.0 -59.7 255 23 457.5 457.5 311.5 457.7 0.04 21 67 18664 -60.7 -72.7 19 12.0 -61.0 255 22 460.3 460.3 311.8 460.4 0.03 22 57 19668 -61.7 -73.7 19 12.0 -62.0 255 18 479.8 479.8 313.4 479.9 0.03 23 50 20480 -61.5 -73.5 19 12.0 -61.9 255 15 498.6 498.6 314.9 498.8 0.04 24 43 21414 -60.1 -73.1 17 13.0 -60.6 265 16 524.0 524.0 316.6 524.3 0.05 25 36 22512 -62.9 -74.9 18 12.0 -63.4 278 18 544.0 544.1 317.8 544.3 0.04 26 30 23630 -63.5 -75.5 18 12.0 -64.0 290 19 571.5 571.5 319.3 571.8 0.05 27 27 24278 -64.5 -76.5 18 12.0 -65.0 289 22 586.2 586.2 320.0 586.5 0.04 28 23 25266 -62.9 -74.9 18 12.0 -63.6 287 27 618.4 618.4 321.5 618.9 0.06 29 21 25833 -58.9 -71.9 17 13.0 -60.1 286 30 646.8 646.8 322.6 647.7 0.11 30 20 26140 -59.1 -72.1 17 13.0 -60.3 285 31 655.3 655.3 322.9 656.2 0.11 31 18 26798 -59.7 -72.7 17 13.0 -60.9 283 31 673.4 673.5 323.6 674.4 0.11 32 10 30550 -49.7 -64.7 16 15.0 -54.4 275 29 834.0 834.4 328.2 840.7 0.64 TRP 275 9594 -49.9 -53.9 63 4.0 -50.0 335 23 323.0 323.0 289.8 323.3 0.09 WND Sounding variables and indices 1000-500 mb thick: 5424.00 m Freezing level: 841.04 mb = 1466.00 m = 4809.65 ft Wetbulb zero: 858.45 mb = 1293.73 m = 4244.48 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 82.75 % Est. max temperature: 13.02 C = 55.44 F Sfc-Lift cond lev (LCL): 899.94 mb = 910.83 m = 2988.24 ft T: 4.05 C 700-500 lapse rate: 5.95 C/km ThetaE index: 1.98 C Layer 952.0- 925.0 mb Conv cond level (CCL): 834.47 mb = 1520.33 m = 4987.89 ft Mean mixing ratio: 4.51 g/kg Conv temperature: 13.11 C = 55.59 F Cap Strength: 5.99 C Lifted Index: 9.24 C Risk: None Lifted Index @300 mb: 14.34 C Lifted Index @700 mb: 4.64 C Showalter Index: 8.89 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.90 C K Index: 18.90 Risk: < 20 % chance of thunderstorms Sweat Index: 41.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.41 J/kg Max Up Vert Vel: 4.56 m/s Conv Inhibition (B-): 52181.87 J/kg Cap Strength: 9.03 C Lift Cond Lev (LCL): 868.26 mb = 1201.54 m = 3942.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 254 at 12 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 ---------------------------------------------------------- 0 986 163 270 9 9.0 -0.0 | 42 5 -3.0 -3.3 1 925 688 275 9 9.0 -0.8 | 37 5 -3.1 -4.1 2 850 1374 220 11 7.1 8.4 | 136 7 -5.0 5.1 3 700 2915 220 21 13.5 16.1 | 187 13 1.5 12.7 4 500 5470 220 19 12.2 14.6 | 181 11 0.2 11.2 5 400 7080 260 11 10.8 1.9 | 40 2 -1.2 -1.4 6 300 9020 330 25 12.5 -21.7 | 359 25 0.5 -25.0 7 275 9594 335 23 9.7 -20.8 | 5 24 -2.3 -24.2 8 250 10220 320 19 12.2 -14.6 | 359 18 0.2 -17.9 9 200 11670 305 19 15.6 -10.9 | 346 15 3.5 -14.2 10 150 13540 260 17 16.7 3.0 | 275 5 4.7 -0.4 11 100 16140 265 17 16.9 1.5 | 291 5 4.9 -1.9 12 70 18390 255 23 22.2 6.0 | 256 11 10.2 2.6 13 50 20480 255 15 14.5 3.9 | 258 3 2.4 0.5 14 30 23630 290 19 17.9 -6.5 | 329 11 5.8 -9.8 15 20 26140 285 31 29.9 -8.0 | 302 21 17.9 -11.4 16 10 30550 275 29 28.9 -2.5 | 289 18 16.9 -5.9 Wind Parameters Mean winds (0-6000m): 224.5 at 16.7 knts Storm direction: 254.5 at 12.5 knts Shear (0-3000m) pos: 0.1 neg: 3.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 143.7 deg Storm rel helicity (0-3000m) pos: 24.2 neg: -0.9 tot: 23.4 m^2/s^2 ave: 7.8 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 20.83 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 ------------------------------------------------------------------------------- 500 272 9 39 5| 0.8 0.0 0.8| 0.0 -0.6 -0.6 -1.1 -0.60| 0.8 -0.5 1000 264 9 50 4| 0.4 3.3 3.7| 4.3 -0.6 3.7 3.7 0.62| 3.8 2.3 1500 248 10 98 3| 0.3 3.6 3.9| 9.1 -0.6 8.5 5.7 0.60| 4.2 2.5 2000 238 11 134 4| 0.2 3.4 3.6| 15.2 -0.6 14.6 7.3 0.65| 4.0 2.6 2500 233 12 153 5| 0.2 3.3 3.4| 21.2 -0.6 20.7 8.3 0.66| 3.9 2.5 3000 229 14 164 6| 0.1 3.0 3.1| 24.2 -0.9 23.4 7.8 0.64| 3.5 2.3 4000 226 15 173 7| 0.1 2.1 2.2| 24.2 -2.3 21.9 5.5 0.60| 2.7 1.6 5000 224 16 176 8| 0.1 1.6 1.7| 24.2 -3.8 20.4 4.1 0.56| 2.3 1.3 6000 224 17 178 9| 0.6 1.4 2.0| 27.7 -4.2 23.5 3.9 0.48| 2.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251012.00.gif