UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 1 MAY 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 134 160 9 SFC 996 168 17.6 2.6 37 15.0 9.9 160 9 291.1 291.9 283.2 304.5 4.63 2 925 790 11.4 -0.6 43 12.0 5.7 340 19 291.0 291.7 282.4 302.5 3.95 3 850 1491 6.8 -3.2 49 10.0 2.3 150 27 293.3 293.9 282.9 303.7 3.55 4 848 1510 6.6 -3.4 49 10.0 2.1 151 27 293.3 293.9 282.8 303.6 3.50 5 802 1962 -0.5 -6.5 64 6.0 -2.9 178 26 290.4 290.9 280.9 299.0 2.93 6 720 2814 -7.1 -9.5 83 2.4 -7.9 231 25 292.3 292.7 281.3 300.0 2.58 7 700 3033 -8.1 -10.4 83 2.3 -8.9 245 25 293.5 294.0 281.7 300.9 2.47 8 619 3974 -15.1 -26.1 39 11.0 -17.3 254 30 296.0 296.1 280.6 298.4 0.73 9 500 5560 -23.5 -29.5 58 6.0 -24.5 270 38 304.4 304.5 284.0 306.6 0.66 10 482 5827 -25.3 -33.3 47 8.0 -26.4 271 40 305.4 305.5 284.2 307.0 0.48 11 400 7150 -36.1 -45.1 39 9.0 -36.7 275 48 308.1 308.1 284.8 308.7 0.17 12 380 7505 -38.5 -47.5 38 9.0 -39.0 276 52 309.5 309.5 285.3 310.0 0.14 13 346 8142 -45.5 -53.5 40 8.0 -45.8 278 59 308.4 308.4 284.8 308.7 0.08 14 302 9037 -52.6 -60.6 37 8.0 -52.7 280 69 310.7 310.7 285.6 310.8 0.04 15 300 9080 -52.9 -60.9 37 8.0 -53.1 280 69 310.8 310.8 285.7 310.9 0.04 16 279 9543 -57.3 -65.3 36 8.0 -57.4 280 69 311.0 311.0 285.7 311.0 0.02 17 256 10089 -54.9 -63.9 32 9.0 -55.1 272 62 322.3 322.3 289.5 322.4 0.03 18 250 10240 -55.1 -64.1 32 9.0 -55.2 270 60 324.1 324.2 290.0 324.3 0.03 19 240 10502 -55.5 -64.5 32 9.0 -55.6 269 58 327.4 327.4 291.0 327.5 0.03 20 223 10974 -53.5 -63.5 28 10.0 -53.7 267 54 337.4 337.4 293.7 337.5 0.03 21 200 11680 -51.9 -63.9 22 12.0 -52.2 265 48 350.6 350.6 296.8 350.7 0.04 22 196 11811 -52.1 -64.1 22 12.0 -52.4 264 47 352.3 352.3 297.1 352.4 0.04 23 166 12885 -51.7 -67.7 13 16.0 -52.1 259 43 370.1 370.1 300.6 370.2 0.03 24 150 13540 -52.9 -69.9 11 17.0 -53.3 255 40 378.9 378.9 302.1 379.0 0.02 25 142 13892 -53.9 -71.9 9 18.0 -54.3 254 39 383.2 383.2 302.8 383.2 0.02 26 120 14976 -51.7 -71.7 7 20.0 -52.3 252 36 406.1 406.1 306.0 406.2 0.02 27 100 16150 -54.3 -74.3 7 20.0 -54.8 250 33 422.8 422.8 308.0 422.9 0.02 28 70 18440 -54.5 -77.5 4 23.0 -55.3 270 31 467.8 467.8 312.4 467.9 0.01 29 54 20104 -54.5 -77.5 4 23.0 -55.5 247 17 503.8 503.8 315.2 503.9 0.02 30 50 20600 -52.7 -75.7 5 23.0 -53.9 240 13 519.3 519.3 316.2 519.5 0.03 31 30 23890 -52.7 -75.7 5 23.0 -54.6 300 11 601.0 601.0 320.7 601.3 0.04 32 20 26500 -52.5 -75.5 5 23.0 -55.2 60 3 675.5 675.5 323.6 676.0 0.07 33 19 26832 -52.3 -75.3 5 23.0 -55.1 68 7 686.1 686.1 324.0 686.7 0.07 34 17 27561 -47.5 -71.5 5 24.0 -52.0 85 14 723.6 723.7 325.2 724.9 0.14 35 14 28849 -46.9 -70.9 5 24.0 -52.2 114 28 767.0 767.1 326.4 768.8 0.19 36 10 31110 -41.1 -67.1 4 26.0 -50.3 165 52 866.1 866.4 328.8 871.1 0.46 37 9.8 31247 -41.1 -67.1 4 26.0 -50.3 871.1 871.4 329.0 876.3 0.47 TRP 279 9543 -57.3 -65.3 36 8.0 -57.4 280 69 311.0 311.0 285.7 311.0 0.02 WND 302 9037 -52.6 -60.6 37 8.0 -52.7 280 69 310.7 310.7 285.6 310.8 0.04 Sounding variables and indices 1000-500 mb thick: 5426.00 m Freezing level: 805.24 mb = 1930.16 m = 6332.48 ft Wetbulb zero: 828.34 mb = 1700.33 m = 5578.45 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 55.37 % Est. max temperature: 19.65 C = 67.38 F Sfc-Lift cond lev (LCL): 795.14 mb = 2029.81 m = 6659.41 ft T: -1.03 C 700-500 lapse rate: 6.09 C/km ThetaE index: 4.72 C Layer 848.0- 720.0 mb Conv cond level (CCL): 779.58 mb = 2185.89 m = 7171.46 ft Mean mixing ratio: 4.17 g/kg Conv temperature: 17.43 C = 63.37 F Cap Strength: -0.16 C Lifted Index: 3.23 C Risk: None Lifted Index @300 mb: 5.50 C Lifted Index @700 mb: -0.50 C Showalter Index: 2.91 C Risk: Showers probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 20.30 C K Index: 24.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 257.25 Risk: None Energy Index: 0.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.53 J/kg Max Up Vert Vel: 10.44 m/s Conv Inhibition (B-): 34.80 J/kg Cap Strength: 2.92 C Lift Cond Lev (LCL): 776.90 mb = 2213.03 m = 7260.50 ft Lev Free Conv (LFC): 771.90 mb = 2264.01 m = 7427.77 ft Equ Level (EL): 581.90 mb = 4433.15 m = 14544.28 ft B at Equ Level: 53.40 J/kg Max Parcel Lev (MPL): 511.90 mb = 5385.23 m = 17667.86 ft Wind level data Storm motion: 281 at 21 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 ---------------------------------------------------------- 0 996 168 160 9 -3.1 8.5 | 117 27 -24.0 12.5 1 925 790 340 19 6.5 -17.9 | 46 20 -14.4 -13.9 2 850 1491 150 27 -13.5 23.4 | 129 44 -34.4 27.4 3 700 3033 245 25 22.7 10.6 | 187 15 1.8 14.6 4 500 5560 270 38 38.0 -0.0 | 257 18 17.1 4.0 5 400 7150 275 48 47.8 -4.2 | 270 27 26.9 -0.2 6 302 9037 280 69 68.0 -12.0 | 280 48 47.1 -8.0 7 300 9080 280 69 68.0 -12.0 | 280 48 47.1 -8.0 8 279 9543 280 69 68.0 -12.0 | 280 48 47.1 -8.0 9 250 10240 270 60 60.0 -0.0 | 264 39 39.1 4.0 10 200 11680 265 48 47.8 4.2 | 253 28 26.9 8.2 11 150 13540 255 40 38.6 10.4 | 231 23 17.7 14.3 12 100 16150 250 33 31.0 11.3 | 214 18 10.1 15.3 13 70 18440 270 31 31.0 -0.0 | 248 11 10.1 4.0 14 50 20600 240 13 11.3 6.5 | 137 14 -9.6 10.5 15 30 23890 300 11 9.5 -5.5 | 82 11 -11.4 -1.5 16 20 26500 60 3 -2.6 -1.5 | 96 24 -23.5 2.5 17 10 31110 165 52 -13.5 50.2 | 148 64 -34.4 54.2 Wind Parameters Mean winds (0-6000m): 250.8 at 28.4 knts Storm direction: 280.8 at 21.3 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 73.0 deg Storm rel helicity (0-3000m) pos: 933.0 neg: -25.5 tot: 907.5 m^2/s^2 ave: 302.5 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 27.0 stream: 14.4 10^-3/s Energy-Hel index: 0.28 Bulk Rich Number: 0.31 Bulk Shear: 177.22 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 11 13 69 25| 25.7 0.0 25.7| 50.4 -21.4 29.1 58.2 -0.12| 35.2 -4.1 1000 14 17 64 28| 12.7 0.0 12.7|264.4 -25.5 239.0 239.0 0.23| 40.8 9.5 1500 134 20 117 39| 6.1 0.0 6.1|717.8 -25.5 692.4 461.6 0.48| 40.7 19.5 2000 165 21 133 36| 4.9 0.0 4.9|833.6 -25.5 808.1 404.0 0.51| 34.2 17.6 2500 182 22 143 33| 4.7 0.0 4.7|903.0 -25.5 877.6 351.0 0.53| 30.2 16.0 3000 198 23 152 29| 4.6 0.0 4.6|933.0 -25.5 907.5 302.5 0.53| 27.0 14.4 4000 224 24 170 22| 4.3 0.0 4.3|960.0 -25.5 934.5 233.6 0.55| 21.2 11.7 5000 241 26 186 17| 4.1 0.0 4.1|990.2 -25.5 964.7 192.9 0.57| 17.7 10.1 6000 251 28 204 15| 3.9 0.0 3.9|1013.9 -25.5 988.4 164.7 0.58| 15.4 8.9 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250501.12.gif