UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 22 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 146 140 5 SFC 998 162 6.0 3.3 83 2.7 4.7 140 5 279.3 280.1 278.0 292.7 4.86 2 948 582 4.2 2.5 89 1.7 3.4 160 13 281.6 282.4 279.1 295.0 4.83 3 925 781 2.4 0.6 88 1.8 1.6 170 17 281.8 282.5 278.5 293.8 4.32 4 850 1460 -1.7 -6.2 71 4.5 -3.4 165 15 284.4 284.9 277.9 292.5 2.83 5 827 1677 -4.1 -7.8 75 3.7 -5.4 166 16 284.1 284.5 277.4 291.5 2.57 6 779 2148 -5.9 -10.9 68 5.0 -7.5 169 18 287.0 287.4 278.3 293.3 2.13 7 727 2684 -10.5 -13.3 80 2.8 -11.3 173 20 287.7 288.1 278.3 293.3 1.88 8 700 2975 -11.9 -14.1 84 2.2 -12.5 175 21 289.3 289.6 279.0 294.8 1.83 9 693 3052 -12.5 -14.7 84 2.2 -13.1 176 21 289.5 289.8 279.0 294.8 1.76 10 675 3253 -12.5 -16.0 75 3.5 -13.5 177 21 291.7 291.9 279.8 296.6 1.62 11 513 5286 -27.5 -42.5 23 15.0 -28.8 193 17 297.3 297.4 280.4 297.9 0.18 12 510 5328 -27.9 -42.9 23 15.0 -29.2 194 17 297.3 297.4 280.4 297.9 0.17 13 500 5470 -29.3 -43.3 25 14.0 -30.4 195 17 297.3 297.3 280.4 297.9 0.17 14 422 6655 -39.1 -48.1 38 9.0 -39.5 187 17 299.5 299.6 281.3 300.0 0.12 15 404 6952 -40.7 -48.7 42 8.0 -41.1 185 17 301.2 301.3 282.0 301.6 0.11 16 400 7020 -41.3 -49.3 42 8.0 -41.6 185 17 301.3 301.3 282.0 301.7 0.11 17 329 8326 -48.5 -58.5 30 10.0 -48.7 171 25 308.7 308.7 284.9 308.9 0.04 18 303 8865 -50.3 -60.3 30 10.0 -50.5 165 29 313.6 313.6 286.6 313.7 0.04 19 300 8930 -50.3 -60.3 30 10.0 -50.5 165 29 314.5 314.5 286.9 314.6 0.04 20 250 10130 -48.3 -61.3 21 13.0 -48.7 180 25 334.3 334.3 292.9 334.4 0.04 21 214 11148 -48.1 -63.1 16 15.0 -48.6 183 19 349.8 349.8 296.6 349.9 0.04 22 200 11590 -49.7 -65.7 14 16.0 -50.1 185 17 354.1 354.1 297.5 354.2 0.03 23 150 13470 -52.7 -70.7 10 18.0 -53.1 210 19 379.3 379.3 302.1 379.4 0.02 24 100 16040 -59.7 -78.7 7 19.0 -60.0 245 15 412.4 412.4 306.8 412.4 0.01 25 98 16166 -60.3 -79.3 7 19.0 -60.6 246 15 413.6 413.6 307.0 413.6 0.01 26 70 18270 -59.3 -79.3 6 20.0 -59.7 265 17 457.5 457.5 311.5 457.6 0.01 27 50 20360 -61.1 -81.1 5 20.0 -61.6 270 27 499.5 499.5 314.9 499.6 0.01 28 30 23530 -60.7 -81.7 5 21.0 -61.5 260 33 579.2 579.2 319.6 579.3 0.02 29 22 25464 -61.3 -82.3 5 21.0 -62.3 268 40 631.1 631.1 321.9 631.2 0.02 30 20 26060 -59.1 -80.1 5 21.0 -60.5 270 42 655.3 655.3 322.9 655.5 0.03 31 11 29889 -49.9 -73.9 4 24.0 -54.9 810.9 811.0 327.5 812.4 0.16 TRP 303 8865 -50.3 -60.3 30 10.0 -50.5 165 29 313.6 313.6 286.6 313.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5324.00 m Freezing level: 881.10 mb = 1178.46 m = 3866.30 ft Wetbulb zero: 900.88 mb = 993.18 m = 3258.43 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 64.70 % Est. max temperature: 11.03 C = 51.85 F Sfc-Lift cond lev (LCL): 957.44 mb = 501.00 m = 1643.69 ft T: 4.55 C 700-500 lapse rate: 6.97 C/km ThetaE index: 3.56 C Layer 925.0- 779.0 mb Conv cond level (CCL): 896.58 mb = 1031.57 m = 3384.38 ft Mean mixing ratio: 4.55 g/kg Conv temperature: 9.41 C = 48.94 F Cap Strength: 4.24 C Lifted Index: 4.02 C Risk: None Lifted Index @300 mb: 14.66 C Lifted Index @700 mb: 1.21 C Showalter Index: 5.07 C Risk: None Total Totals Index: 50.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 23.10 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 81.00 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.54 J/kg Max Up Vert Vel: 4.80 m/s Conv Inhibition (B-): 54572.32 J/kg Cap Strength: 4.17 C Lift Cond Lev (LCL): 916.75 mb = 852.93 m = 2798.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 13 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 ---------------------------------------------------------- 0 998 162 140 5 -3.2 3.8 | 51 12 -9.5 -7.6 1 925 781 170 17 -3.0 16.7 | 120 11 -9.2 5.3 2 850 1460 165 15 -3.9 14.5 | 107 11 -10.2 3.0 3 700 2975 175 21 -1.8 20.9 | 139 12 -8.1 9.5 4 500 5470 195 17 4.4 16.4 | 159 5 -1.9 5.0 5 400 7020 185 17 1.5 16.9 | 139 7 -4.8 5.5 6 303 8865 165 29 -7.5 28.0 | 140 22 -13.8 16.6 7 300 8930 165 29 -7.5 28.0 | 140 22 -13.8 16.6 8 250 10130 180 25 0.0 25.0 | 155 15 -6.3 13.5 9 200 11590 185 17 1.5 16.9 | 139 7 -4.8 5.5 10 150 13470 210 19 9.5 16.5 | 213 6 3.2 5.0 11 100 16040 245 15 13.6 6.3 | 305 9 7.3 -5.1 12 70 18270 265 17 16.9 1.5 | 313 15 10.7 -10.0 13 50 20360 270 27 27.0 -0.0 | 299 24 20.7 -11.5 14 30 23530 260 33 32.5 5.7 | 282 27 26.2 -5.7 15 20 26060 270 42 42.0 -0.0 | 288 38 35.7 -11.5 Wind Parameters Mean winds (0-6000m): 178.7 at 17.4 knts Storm direction: 208.7 at 13.1 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 89.4 deg Storm rel helicity (0-3000m) pos: 58.5 neg: -6.0 tot: 52.5 m^2/s^2 ave: 17.5 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.19 Bulk Shear: 9.66 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 ------------------------------------------------------------------------------- 500 162 10 77 10| 10.6 0.0 10.6| 31.1 0.0 31.1 62.2 0.99| 10.9 10.8 1000 166 13 97 10| 6.0 0.0 6.0| 38.1 -3.0 35.0 35.0 0.84| 7.3 6.1 1500 166 14 102 10| 4.0 0.1 4.1| 40.5 -6.0 34.5 23.0 0.73| 5.5 4.0 2000 167 15 106 10| 3.5 0.1 3.6| 46.7 -6.0 40.7 20.4 0.76| 4.7 3.6 2500 168 15 111 10| 3.3 0.1 3.3| 53.3 -6.0 47.3 18.9 0.78| 4.2 3.3 3000 169 16 116 10| 2.9 0.0 3.0| 58.5 -6.0 52.5 17.5 0.78| 3.9 3.0 4000 173 17 123 10| 2.1 0.0 2.1| 62.0 -6.0 56.1 14.0 0.73| 3.3 2.4 5000 176 17 128 10| 1.6 0.0 1.6| 64.2 -6.0 58.3 11.7 0.69| 3.0 2.1 6000 179 17 132 9| 1.3 0.1 1.4| 64.7 -7.5 57.2 9.5 0.62| 2.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251022.00.gif