UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102212.upa.cvt Date: 1200Z 22 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 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 137 130 3 SFC 996 170 6.4 4.5 88 1.9 5.5 130 3 279.9 280.8 278.8 294.4 5.30 2 926 765 2.8 1.3 90 1.5 2.1 302 1 282.1 282.9 279.0 294.7 4.54 3 925 774 2.6 1.1 90 1.5 1.9 305 1 282.0 282.7 278.8 294.4 4.48 4 850 1449 -3.1 -5.2 85 2.1 -3.9 245 11 282.9 283.4 277.4 291.6 3.05 5 830 1637 -4.7 -7.0 84 2.3 -5.5 241 11 283.1 283.6 277.1 290.9 2.72 6 753 2399 -7.7 -9.6 86 1.9 -8.4 226 11 287.9 288.3 279.1 295.1 2.45 7 700 2962 -11.7 -13.9 84 2.2 -12.3 215 11 289.5 289.9 279.1 295.1 1.86 8 571 4486 -23.5 -27.1 72 3.6 -24.1 206 18 293.0 293.2 279.3 295.4 0.73 9 500 5440 -31.7 -37.7 55 6.0 -32.3 200 23 294.4 294.4 279.3 295.4 0.30 10 443 6283 -38.3 -44.3 53 6.0 -38.7 184 23 296.4 296.5 280.0 297.0 0.17 11 400 6980 -41.3 -47.3 52 6.0 -41.6 170 23 301.3 301.3 282.1 301.8 0.13 12 386 7222 -43.1 -50.1 46 7.0 -43.4 167 25 302.0 302.1 282.3 302.4 0.10 13 342 8035 -46.3 -53.3 45 7.0 -46.6 155 31 308.3 308.3 284.8 308.6 0.08 14 308 8734 -45.3 -53.3 40 8.0 -45.6 175 26 319.1 319.1 288.6 319.4 0.09 15 300 8910 -46.3 -54.3 40 8.0 -46.6 180 25 320.1 320.1 288.9 320.4 0.08 16 250 10120 -45.1 -54.1 36 9.0 -45.5 210 15 339.0 339.0 294.1 339.4 0.10 17 240 10391 -46.1 -56.1 31 10.0 -46.5 206 15 341.5 341.5 294.7 341.8 0.08 18 216 11091 -46.1 -56.1 31 10.0 -46.6 197 15 351.9 352.0 297.1 352.3 0.09 19 200 11600 -47.3 -57.3 31 10.0 -47.7 190 15 357.9 357.9 298.4 358.2 0.08 20 150 13480 -52.3 -62.3 29 10.0 -52.7 235 17 380.0 380.0 302.3 380.2 0.06 21 112 15353 -57.5 -67.5 27 10.0 -57.8 228 13 403.3 403.4 305.7 403.5 0.04 22 100 16070 -57.7 -67.7 27 10.0 -58.0 225 11 416.2 416.3 307.3 416.5 0.04 23 89 16804 -58.9 -68.9 26 10.0 -59.2 240 14 428.0 428.0 308.6 428.2 0.04 24 70 18310 -59.3 -68.3 30 9.0 -59.6 270 21 457.5 457.5 311.5 457.8 0.06 25 61 19172 -57.9 -67.9 27 10.0 -58.3 272 22 479.0 479.0 313.4 479.4 0.07 26 50 20410 -61.9 -70.9 29 9.0 -62.2 275 23 497.6 497.6 314.8 497.9 0.05 27 31 23376 -62.1 -70.1 34 8.0 -62.6 242 16 570.0 570.0 319.2 570.7 0.10 28 30 23580 -61.1 -69.1 34 8.0 -61.6 240 15 578.1 578.1 319.6 578.9 0.12 29 27 24238 -58.7 -66.7 35 8.0 -59.5 602.5 602.6 320.8 603.9 0.18 TRP 342 8035 -46.3 -53.3 45 7.0 -46.6 155 31 308.3 308.3 284.8 308.6 0.08 WND Sounding variables and indices 1000-500 mb thick: 5303.00 m Freezing level: 890.79 mb = 1081.89 m = 3549.48 ft Wetbulb zero: 900.50 mb = 988.27 m = 3242.31 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 79.54 % Est. max temperature: 9.47 C = 49.05 F Sfc-Lift cond lev (LCL): 967.37 mb = 408.24 m = 1339.36 ft T: 4.96 C 700-500 lapse rate: 8.07 C/km ThetaE index: 3.80 C Layer 925.0- 753.0 mb Conv cond level (CCL): 910.21 mb = 902.71 m = 2961.62 ft Mean mixing ratio: 4.69 g/kg Conv temperature: 8.68 C = 47.63 F Cap Strength: 1.27 C Lifted Index: 1.27 C Risk: Showers probable Lifted Index @300 mb: 18.31 C Lifted Index @700 mb: 1.11 C Showalter Index: 3.32 C Risk: None Total Totals Index: 55.10 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.60 C Cross Totals Index: 26.50 C K Index: 21.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 167.00 Risk: None Energy Index: 0.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.88 J/kg Max Up Vert Vel: 7.33 m/s Conv Inhibition (B-): 4.32 J/kg Cap Strength: 1.29 C Lift Cond Lev (LCL): 921.37 mb = 805.35 m = 2642.20 ft Lev Free Conv (LFC): 886.37 mb = 1114.50 m = 3656.45 ft Equ Level (EL): 786.37 mb = 2059.27 m = 6756.06 ft B at Equ Level: 26.65 J/kg Max Parcel Lev (MPL): 706.37 mb = 2892.02 m = 9488.12 ft Wind level data Storm motion: 239 at 10 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 ---------------------------------------------------------- 0 996 170 130 3 -2.3 1.9 | 73 12 -11.1 -3.4 1 925 774 305 1 0.8 -0.6 | 53 10 -8.0 -5.9 2 850 1449 245 11 10.0 4.6 | 300 1 1.2 -0.7 3 700 2962 215 11 6.3 9.0 | 146 4 -2.5 3.7 4 500 5440 200 23 7.9 21.6 | 177 16 -0.9 16.3 5 400 6980 170 23 -4.0 22.7 | 144 22 -12.8 17.3 6 342 8035 155 31 -13.1 28.1 | 136 32 -21.9 22.8 7 300 8910 180 25 0.0 25.0 | 156 22 -8.8 19.7 8 250 10120 210 15 7.5 13.0 | 171 8 -1.3 7.6 9 200 11600 190 15 2.6 14.8 | 147 11 -6.2 9.4 10 150 13480 235 17 13.9 9.8 | 229 7 5.2 4.4 11 100 16070 225 11 7.8 7.8 | 158 3 -1.0 2.4 12 70 18310 270 21 21.0 -0.0 | 294 13 12.2 -5.3 13 50 20410 275 23 22.9 -2.0 | 297 16 14.1 -7.3 14 30 23580 240 15 13.0 7.5 | 243 5 4.2 2.2 Wind Parameters Mean winds (0-6000m): 208.7 at 13.7 knts Storm direction: 238.7 at 10.3 knts Shear (0-3000m) pos: 0.7 neg: 2.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 82.8 deg Storm rel helicity (0-3000m) pos: 1.4 neg: -21.6 tot: -20.2 m^2/s^2 ave: -6.7 10^-3 m/s^2 rel: -0.55 Storm rel vorticity (0-3000m) horiz: 4.3 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.11 Bulk Shear: 24.10 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 ------------------------------------------------------------------------------- 500 128 2 69 11| 4.3 0.0 4.3| 0.4 -7.2 -6.7 -13.5 -0.51| 5.8 -3.0 1000 255 3 53 8| 2.1 2.8 5.0| 0.4 -17.3 -16.9 -16.9 -0.60| 6.6 -3.9 1500 242 5 56 5| 1.4 3.4 4.8| 0.4 -20.3 -19.9 -13.3 -0.62| 6.6 -4.1 2000 239 7 58 4| 1.1 2.6 3.7| 0.4 -20.7 -20.3 -10.1 -0.64| 5.5 -3.5 2500 235 8 69 3| 0.9 2.1 3.0| 0.4 -21.2 -20.8 -8.3 -0.62| 4.8 -2.9 3000 230 8 87 3| 0.7 2.0 2.7| 1.4 -21.6 -20.2 -6.7 -0.55| 4.3 -2.4 4000 222 10 129 3| 0.5 2.1 2.6| 5.3 -21.6 -16.3 -4.1 -0.39| 3.9 -1.5 5000 215 12 155 5| 0.4 2.2 2.6| 6.8 -21.6 -14.8 -3.0 -0.32| 3.7 -1.2 6000 209 14 162 7| 0.4 2.0 2.3| 6.8 -45.7 -38.9 -6.5 -0.39| 3.7 -1.4 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251022.12.gif