UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010712.upa.cvt Date: 1200Z 7 JAN 26 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 7 JAN 26 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 ------------------------------------------------------------------------------- SFC 1005 166 -3.1 -4.6 89 1.5 -3.6 160 9 269.7 270.1 269.2 276.9 2.70 1 1000 205 -4.1 -6.2 85 2.1 -4.8 160 9 269.0 269.4 268.4 275.5 2.40 2 986 316 -4.9 -7.1 85 2.2 -5.6 165 12 269.3 269.7 268.3 275.5 2.27 3 945 655 2.4 1.0 90 1.4 1.8 178 21 280.0 280.8 277.7 292.1 4.35 4 925 828 2.2 -0.7 81 2.9 1.0 185 25 281.6 282.2 277.9 292.5 3.92 5 869 1334 2.8 -1.2 75 4.0 1.0 192 31 287.3 288.0 280.8 298.8 4.03 6 850 1513 1.8 -2.1 75 3.9 0.1 195 33 288.0 288.7 281.0 299.1 3.85 7 700 3049 -7.7 -11.2 76 3.5 -8.9 200 25 294.0 294.4 281.7 301.0 2.32 8 555 4813 -19.3 -22.7 74 3.4 -20.0 228 24 300.4 300.6 283.0 304.0 1.11 9 500 5580 -24.7 -29.7 63 5.0 -25.5 240 23 302.9 303.0 283.4 305.1 0.65 10 477 5920 -26.7 -31.7 63 5.0 -27.4 238 21 304.6 304.7 284.0 306.5 0.56 11 400 7160 -37.7 -47.7 34 10.0 -38.3 230 13 306.0 306.0 284.0 306.5 0.13 12 397 7212 -38.1 -48.1 34 10.0 -38.7 231 13 306.1 306.2 284.0 306.6 0.12 13 300 9080 -53.9 -61.9 37 8.0 -54.0 255 19 309.4 309.4 285.1 309.5 0.03 14 250 10220 -63.7 -71.7 33 8.0 -63.7 290 23 311.4 311.4 285.8 311.4 0.01 15 228 10781 -67.3 -75.3 31 8.0 -67.3 281 25 314.2 314.2 286.8 314.2 0.01 16 213 11191 -68.5 -76.5 31 8.0 -68.5 275 27 318.5 318.5 288.2 318.5 0.01 17 200 11570 -67.7 -75.7 31 8.0 -67.7 265 27 325.5 325.5 290.5 325.6 0.01 18 191 11848 -66.1 -74.1 32 8.0 -66.1 266 29 332.4 332.4 292.4 332.5 0.01 19 169 12589 -65.7 -73.7 32 8.0 -65.8 268 36 344.9 344.9 295.5 345.0 0.01 20 159 12962 -62.7 -70.7 33 8.0 -62.8 269 39 356.1 356.1 298.0 356.2 0.02 21 150 13320 -63.7 -71.7 33 8.0 -63.8 270 42 360.3 360.3 298.8 360.4 0.02 22 100 15820 -62.5 -72.5 25 10.0 -62.7 265 58 407.0 407.0 306.2 407.1 0.02 23 70 18020 -61.7 -72.7 22 11.0 -62.0 260 62 452.4 452.4 311.1 452.6 0.03 24 63 18675 -62.3 -73.3 22 11.0 -62.6 262 69 464.9 464.9 312.2 465.1 0.03 25 53 19752 -60.1 -72.1 19 12.0 -60.6 264 79 493.6 493.6 314.5 493.8 0.04 26 50 20120 -56.5 -69.5 18 13.0 -57.2 265 83 510.3 510.4 315.7 510.8 0.07 27 34 22590 -54.5 -68.5 16 14.0 -55.8 284 100 575.1 575.1 319.5 575.9 0.11 28 30 23390 -56.9 -69.9 18 13.0 -58.0 290 106 589.5 589.6 320.2 590.3 0.10 29 22 25331 -58.5 -73.5 13 15.0 -59.7 248 124 639.4 639.5 322.3 640.1 0.08 30 20 25930 -55.4 -71.0 13 15.7 -57.2 235 130 666.7 666.7 323.3 667.8 0.13 31 19 26260 -53.7 -69.7 12 16.0 -56.0 238 129 681.7 681.8 323.9 683.2 0.17 32 17 26979 -54.1 -70.1 12 16.0 -56.5 243 125 702.5 702.6 324.6 704.0 0.18 33 13 28751 -42.9 -60.9 12 18.0 -49.4 257 118 797.3 797.7 327.4 805.3 0.81 34 12 29299 -37.7 -57.7 11 20.0 -46.8 261 115 834.2 834.8 328.4 847.8 1.32 35 10 30560 -37.9 -59.9 8 22.0 -48.0 270 110 878.1 878.7 329.2 891.2 1.20 36 9.3 31061 -36.9 -59.9 7 23.0 -47.9 900.3 901.0 329.7 914.8 1.29 TRP 213 11191 -68.5 -76.5 31 8.0 -68.5 275 27 318.5 318.5 288.2 318.5 0.01 WND 20 25930 -55.4 -71.0 13 15.7 -57.2 235 130 666.7 666.7 323.3 667.8 0.13 Sounding variables and indices 1000-500 mb thick: 5375.00 m Freezing level: Surface below freezing Freezing level: 958.48 mb = 543.66 m = 1783.65 ft Freezing level: 821.58 mb = 1804.03 m = 5918.67 ft Wetbulb zero: Below ground Precipitable water: 0.55 inches Sfc-500 mean rel hum: 75.94 % Est. max temperature: 15.09 C = 59.16 F Sfc-Lift cond lev (LCL): 981.41 mb = 353.42 m = 1159.50 ft T: -4.10 C 700-500 lapse rate: 6.72 C/km ThetaE index: 1.44 C Layer 1000.0- 945.0 mb Conv cond level (CCL): 1000.00 mb = 205.00 m = 672.56 ft Mean mixing ratio: 3.44 g/kg Conv temperature: -1.04 C = 30.13 F Cap Strength: 13.32 C Lifted Index: 14.54 C Risk: None Lifted Index @300 mb: 16.57 C Lifted Index @700 mb: 10.56 C Showalter Index: 4.87 C Risk: None Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 22.60 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 204.39 Risk: None Energy Index: 1.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.56 J/kg Max Up Vert Vel: 11.27 m/s Conv Inhibition (B-): 55527.91 J/kg Cap Strength: 14.32 C Lift Cond Lev (LCL): 927.56 mb = 805.64 m = 2643.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 19 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 1005 166 160 9 -3.1 8.5 | 85 19 -18.7 -1.5 1 1000 205 160 9 -3.1 8.5 | 85 19 -18.7 -1.5 2 925 828 185 25 2.2 24.9 | 138 20 -13.4 14.9 3 850 1513 195 33 8.5 31.9 | 162 23 -7.1 21.9 4 700 3049 200 25 8.6 23.5 | 152 15 -7.1 13.5 5 500 5580 240 23 19.9 11.5 | 250 5 4.3 1.5 6 400 7160 230 13 10.0 8.4 | 74 6 -5.7 -1.6 7 300 9080 255 19 18.4 4.9 | 332 6 2.7 -5.1 8 250 10220 290 23 21.6 -7.9 | 341 19 6.0 -17.8 9 213 11191 275 27 26.9 -2.4 | 318 17 11.3 -12.3 10 200 11570 265 27 26.9 2.4 | 304 14 11.3 -7.6 11 150 13320 270 42 42.0 -0.0 | 291 28 26.4 -10.0 12 100 15820 265 58 57.8 5.1 | 277 42 42.2 -4.9 13 70 18020 260 62 61.1 10.8 | 269 45 45.4 0.8 14 50 20120 265 83 82.7 7.2 | 272 67 67.1 -2.7 15 30 23390 290 106 99.6 -36.3 | 299 96 84.0 -46.2 16 20 25930 235 130 106.5 74.6 | 235 111 90.9 64.6 17 10 30560 270 110 110.0 -0.0 | 276 95 94.4 -10.0 Wind Parameters Mean winds (0-6000m): 207.4 at 24.7 knts Storm direction: 237.4 at 18.5 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 68.8 deg Storm rel helicity (0-3000m) pos: 141.9 neg: -14.4 tot: 127.5 m^2/s^2 ave: 42.5 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.1 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 2.04 Bulk Shear: 31.19 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 ------------------------------------------------------------------------------- 500 172 14 104 18| 13.0 0.0 13.0| 64.2 0.0 64.2 128.5 1.00| 13.2 13.2 1000 182 20 124 18| 11.1 0.0 11.1|113.8 0.0 113.8 113.8 0.99| 11.5 11.4 1500 187 24 137 19| 8.7 0.0 8.7|140.4 -0.8 139.6 93.0 0.96| 9.5 9.1 2000 190 26 144 19| 5.9 0.0 5.9|140.4 -5.3 135.1 67.5 0.84| 7.8 6.6 2500 192 26 147 19| 4.3 0.0 4.3|140.4 -10.4 129.9 52.0 0.74| 6.8 5.1 3000 193 26 148 18| 3.3 0.0 3.3|141.9 -14.4 127.5 42.5 0.67| 6.2 4.1 4000 197 26 151 17| 2.7 0.0 2.7|154.7 -14.4 140.3 35.1 0.66| 5.5 3.6 5000 202 25 156 15| 2.3 0.0 2.3|163.7 -14.4 149.3 29.9 0.67| 5.1 3.4 6000 207 25 161 13| 1.9 0.3 2.2|166.8 -15.1 151.8 25.3 0.62| 4.8 3.0 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20260107.12.gif