UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 10 DEC 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 ------------------------------------------------------------------------------- SFC 1009 165 -4.5 -6.2 88 1.7 -5.0 150 7 268.0 268.4 267.6 274.4 2.38 1 1000 235 -4.9 -7.5 82 2.6 -5.7 135 9 268.2 268.6 267.4 274.1 2.17 2 972 457 -6.7 -8.7 86 2.0 -7.3 135 16 268.6 269.0 267.5 274.2 2.03 3 942 703 -5.9 -7.3 90 1.4 -6.4 135 24 271.9 272.2 270.1 278.3 2.34 4 925 845 -6.7 -8.0 90 1.3 -7.1 135 29 272.5 272.8 270.3 278.7 2.26 5 875 1278 -9.5 -10.9 90 1.4 -9.9 178 39 273.9 274.2 270.7 279.2 1.90 6 850 1504 -4.9 -9.9 68 5.0 -6.5 200 44 281.0 281.4 275.2 287.1 2.12 7 834 1653 -4.5 -11.5 58 7.0 -6.7 200 42 283.0 283.3 275.9 288.5 1.90 8 708 2932 -8.5 -23.5 29 15.0 -12.0 195 26 292.1 292.3 278.9 294.7 0.81 9 700 3020 -9.1 -21.1 37 12.0 -12.1 195 25 292.4 292.6 279.3 295.6 1.01 10 667 3392 -11.5 -14.7 77 3.2 -12.5 199 24 293.8 294.1 281.1 299.4 1.83 11 615 4011 -14.9 -17.0 84 2.1 -15.4 207 23 296.8 297.1 282.1 301.9 1.64 12 506 5454 -27.1 -30.4 73 3.3 -27.6 224 19 299.0 299.1 281.7 301.0 0.60 13 500 5540 -27.1 -30.2 75 3.1 -27.5 225 19 300.0 300.1 282.2 302.0 0.62 14 491 5670 -27.3 -30.3 76 3.0 -27.8 225 19 301.3 301.4 282.7 303.4 0.63 15 438 6481 -32.3 -37.3 61 5.0 -32.8 225 17 305.0 305.1 283.9 306.2 0.35 16 400 7110 -38.3 -44.3 53 6.0 -38.7 225 15 305.2 305.2 283.7 305.9 0.19 17 359 7847 -43.9 -49.9 51 6.0 -44.2 233 16 307.3 307.3 284.4 307.7 0.11 18 300 9030 -53.7 -59.7 48 6.0 -53.8 245 17 309.7 309.7 285.2 309.8 0.04 19 258 9977 -62.3 -67.3 51 5.0 -62.3 253 20 310.6 310.6 285.6 310.7 0.02 20 250 10170 -63.1 -68.1 51 5.0 -63.1 255 21 312.3 312.3 286.1 312.3 0.02 21 237 10498 -64.5 -69.5 50 5.0 -64.6 245 23 314.9 315.0 287.1 315.0 0.01 22 215 11094 -64.9 -69.9 50 5.0 -65.0 248 24 323.2 323.2 289.8 323.3 0.01 23 202 11478 -61.9 -66.9 51 5.0 -62.0 250 25 333.8 333.8 292.7 333.9 0.02 24 200 11540 -62.1 -67.1 51 5.0 -62.1 250 25 334.4 334.4 292.9 334.5 0.02 25 174 12399 -62.7 -67.7 51 5.0 -62.8 260 26 347.0 347.0 296.0 347.1 0.02 26 165 12729 -59.9 -64.9 52 5.0 -60.0 263 26 357.0 357.0 298.1 357.2 0.04 27 159 12959 -61.3 -66.3 51 5.0 -61.4 266 27 358.5 358.5 298.4 358.6 0.03 28 150 13320 -62.3 -68.3 44 6.0 -62.4 270 27 362.8 362.8 299.2 362.9 0.03 29 100 15800 -65.1 -71.1 43 6.0 -65.2 285 33 401.9 402.0 305.5 402.1 0.03 30 70 17950 -68.3 -74.3 42 6.0 -68.4 290 38 438.3 438.3 309.7 438.4 0.02 31 55 19388 -72.3 -79.3 34 7.0 -72.4 290 42 460.4 460.4 311.8 460.5 0.01 32 50 19950 -72.3 -79.3 34 7.0 -72.4 290 44 473.1 473.1 312.9 473.2 0.01 33 35 22039 -74.1 -81.1 33 7.0 -74.2 295 60 519.1 519.1 316.2 519.2 0.02 34 34 22208 -74.3 -81.3 33 7.0 -74.4 523.0 523.0 316.5 523.1 0.02 TRP 237 10498 -64.5 -69.5 50 5.0 -64.6 245 23 314.9 315.0 287.1 315.0 0.01 WND 35 22039 -74.1 -81.1 33 7.0 -74.2 295 60 519.1 519.1 316.2 519.2 0.02 Sounding variables and indices 1000-500 mb thick: 5305.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 69.83 % Est. max temperature: 5.99 C = 42.78 F Sfc-Lift cond lev (LCL): 982.12 mb = 376.30 m = 1234.56 ft T: -6.04 C 700-500 lapse rate: 7.14 C/km ThetaE index: 0.24 C Layer 1000.0- 972.0 mb Conv cond level (CCL): 884.38 mb = 1194.63 m = 3919.36 ft Mean mixing ratio: 2.19 g/kg Conv temperature: 1.19 C = 34.14 F Cap Strength: 18.99 C Lifted Index: 19.76 C Risk: None Lifted Index @300 mb: 23.62 C Lifted Index @700 mb: 16.37 C Showalter Index: 11.32 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 17.20 C K Index: 0.30 Risk: None Sweat Index: 184.83 Risk: None Energy Index: 3.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.58 J/kg Max Up Vert Vel: 6.57 m/s Conv Inhibition (B-): 36989.09 J/kg Cap Strength: 19.64 C Lift Cond Lev (LCL): 930.97 mb = 794.71 m = 2607.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 227 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 1009 165 150 7 -3.5 6.1 | 68 19 -17.5 -7.2 1 1000 235 135 9 -6.4 6.4 | 71 22 -20.4 -6.9 2 925 845 135 29 -20.5 20.5 | 102 35 -34.5 7.2 3 850 1504 200 44 15.0 41.3 | 182 28 1.0 28.0 4 700 3020 195 25 6.5 24.1 | 145 13 -7.6 10.8 5 500 5540 225 19 13.4 13.4 | 102 1 -0.6 0.1 6 400 7110 225 15 10.6 10.6 | 52 4 -3.4 -2.7 7 300 9030 245 17 15.4 7.2 | 347 6 1.4 -6.1 8 250 10170 255 21 20.3 5.4 | 322 10 6.2 -7.9 9 237 10498 245 23 20.8 9.7 | 298 8 6.8 -3.6 10 200 11540 250 25 23.5 8.6 | 297 11 9.5 -4.8 11 150 13320 270 27 27.0 -0.0 | 316 19 13.0 -13.3 12 100 15800 285 33 31.9 -8.5 | 321 28 17.8 -21.9 13 70 17950 290 38 35.7 -13.0 | 321 34 21.7 -26.3 14 50 19950 290 44 41.3 -15.0 | 316 39 27.3 -28.4 Wind Parameters Mean winds (0-6000m): 196.5 at 25.8 knts Storm direction: 226.5 at 19.3 knts Shear (0-3000m) pos: 5.9 neg: 3.2 tot: 9.1 10-3/s Storm rel Dir Shear (0-3000m): 78.5 deg Storm rel helicity (0-3000m) pos: 460.7 neg: -58.8 tot: 401.9 m^2/s^2 ave: 134.0 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 14.6 stream: 8.1 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.32 Bulk Shear: 68.15 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 ------------------------------------------------------------------------------- 500 135 15 84 25| 0.0 16.9 16.9| 78.5 0.0 78.5 157.0 0.71| 17.3 12.3 1000 143 23 100 28| 10.6 8.4 19.0|275.2 0.0 275.2 275.2 0.83| 21.4 17.7 1500 167 29 125 25| 13.1 5.6 18.7|460.2 -4.5 455.6 303.8 0.86| 23.1 19.8 2000 178 31 139 23| 9.8 4.3 14.1|460.2 -26.0 434.2 217.1 0.74| 18.9 14.0 2500 182 31 145 22| 7.9 3.8 11.7|460.2 -45.7 414.4 165.8 0.63| 16.5 10.4 3000 185 31 146 21| 5.9 3.2 9.1|460.7 -58.8 401.9 134.0 0.55| 14.6 8.1 4000 188 29 148 18| 4.6 2.4 7.0|463.3 -58.8 404.5 101.1 0.53| 11.7 6.2 5000 193 27 149 16| 3.8 1.9 5.7|463.5 -58.9 404.6 80.9 0.50| 9.8 4.9 6000 197 26 150 13| 3.1 1.7 4.8|463.5 -59.4 404.1 67.4 0.47| 8.5 4.0 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251210.00.gif