UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 21 APR 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 1001 163 13.6 -0.4 38 14.0 7.1 110 3 286.7 287.3 280.1 297.3 3.71 1 1000 171 13.2 0.2 41 13.0 7.1 115 3 286.4 287.0 280.2 297.4 3.88 2 975 386 18.0 2.0 34 16.0 9.7 147 6 293.3 294.1 284.0 306.5 4.53 3 925 833 15.0 -3.0 29 18.0 6.6 215 11 294.6 295.2 283.2 304.5 3.31 4 850 1543 11.2 -3.8 35 15.0 4.2 15 19 297.9 298.5 284.6 308.1 3.39 5 824 1798 10.4 -5.6 32 16.0 3.2 5 18 299.7 300.2 284.9 309.0 3.05 6 637 3843 -8.5 -34.5 10 26.0 -13.3 280 9 301.1 301.1 282.3 302.2 0.32 7 540 5092 -16.7 -41.7 10 25.0 -20.0 219 6 305.9 305.9 284.0 306.5 0.18 8 525 5301 -18.5 -42.5 10 24.0 -21.5 208 6 306.2 306.2 284.1 306.8 0.17 9 500 5660 -21.9 -37.9 22 16.0 -24.0 190 5 306.3 306.4 284.3 307.4 0.29 10 472 6081 -24.9 -31.9 52 7.0 -25.9 199 4 307.7 307.8 285.2 309.6 0.56 11 400 7260 -34.7 -40.7 54 6.0 -35.2 225 3 309.9 309.9 285.7 310.9 0.27 12 360 7986 -40.5 -45.3 60 4.8 -40.8 225 4 311.6 311.6 286.1 312.3 0.19 13 300 9200 -50.7 -54.9 61 4.2 -50.8 225 7 313.9 313.9 286.8 314.2 0.07 14 274 9786 -55.5 -59.7 59 4.2 -55.6 215 7 315.2 315.2 287.2 315.4 0.04 15 250 10370 -57.3 -61.8 56 4.5 -57.4 205 7 320.9 320.9 289.0 321.0 0.04 16 244 10523 -57.9 -62.4 56 4.5 -58.0 205 7 322.2 322.2 289.5 322.4 0.04 17 213 11381 -57.9 -62.7 54 4.8 -58.0 215 8 335.0 335.0 293.1 335.1 0.04 18 200 11780 -55.7 -60.5 55 4.8 -55.8 220 9 344.6 344.6 295.4 344.8 0.06 19 195 11942 -53.3 -58.3 54 5.0 -53.5 226 9 350.9 350.9 296.9 351.2 0.07 20 150 13630 -52.5 -59.5 43 7.0 -52.8 290 5 379.6 379.6 302.2 380.0 0.08 21 145 13849 -52.1 -60.1 38 8.0 -52.4 384.0 384.0 302.9 384.4 0.08 22 122 14957 -56.1 -66.1 27 10.0 -56.4 396.2 396.2 304.7 396.4 0.04 TRP 244 10523 -57.9 -62.4 56 4.5 -58.0 205 7 322.2 322.2 289.5 322.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5489.00 m Freezing level: 721.10 mb = 2923.41 m = 9591.13 ft Wetbulb zero: 787.30 mb = 2160.19 m = 7087.14 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 20.88 % Est. max temperature: 24.77 C = 76.58 F Sfc-Lift cond lev (LCL): 809.55 mb = 1938.88 m = 6361.09 ft T: 9.10 C 700-500 lapse rate: 7.92 C/km ThetaE index: 2.01 C Layer 925.0- 850.0 mb Conv cond level (CCL): 663.84 mb = 3515.06 m = 11532.21 ft Mean mixing ratio: 3.84 g/kg Conv temperature: 27.90 C = 82.21 F Cap Strength: 6.65 C Lifted Index: 4.01 C Risk: None Lifted Index @300 mb: 6.82 C Lifted Index @700 mb: 5.38 C Showalter Index: 1.63 C Risk: Showers probable Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 33.10 C Cross Totals Index: 18.10 C K Index: 6.96 Risk: None Sweat Index: 87.00 Risk: None Energy Index: -0.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.52 J/kg Max Up Vert Vel: 7.28 m/s Conv Inhibition (B-): 7842.96 J/kg Cap Strength: 6.65 C Lift Cond Lev (LCL): 741.33 mb = 2638.09 m = 8655.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 8 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 1001 163 110 3 -2.8 1.0 | 157 9 -3.7 8.6 1 1000 171 115 3 -2.7 1.3 | 158 10 -3.6 8.9 2 925 833 215 11 6.3 9.0 | 198 17 5.5 16.6 3 850 1543 15 19 -4.9 -18.4 | 28 12 -5.8 -10.8 4 700 3093 315 11 7.8 -7.8 | 272 7 6.9 -0.2 5 500 5660 190 5 0.9 4.9 | 180 13 0.0 12.5 6 400 7260 225 3 2.1 2.1 | 187 10 1.3 9.7 7 300 9200 225 7 4.9 4.9 | 198 13 4.1 12.5 8 250 10370 205 7 3.0 6.3 | 189 14 2.1 13.9 9 244 10523 205 7 3.0 6.3 | 189 14 2.1 13.9 10 200 11780 220 9 5.8 6.9 | 199 15 4.9 14.5 11 150 13630 290 5 4.7 -1.7 | 213 7 3.8 5.9 Wind Parameters Mean winds (0-6000m): 323.6 at 10.2 knts Storm direction: 353.6 at 7.6 knts Shear (0-3000m) pos: 3.3 neg: 2.7 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 110.1 deg Storm rel helicity (0-3000m) pos: 181.2 neg: -36.3 tot: 145.0 m^2/s^2 ave: 48.3 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 13.0 stream: 6.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.82 Bulk Shear: 32.32 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 6 173 14| 9.1 0.0 9.1| 23.5 0.0 23.5 47.0 0.62| 10.3 6.4 1000 227 9 203 15| 9.1 0.0 9.1|112.5 0.0 112.5 112.5 0.86| 16.4 14.1 1500 330 12 297 6| 6.6 0.0 6.6|181.2 -3.5 177.8 118.5 0.87| 20.2 17.6 2000 355 13 357 5| 4.9 1.6 6.5|181.2 -17.4 163.8 81.9 0.70| 16.8 11.8 2500 352 13 350 6| 3.9 2.4 6.3|181.2 -27.7 153.5 61.4 0.57| 14.6 8.3 3000 348 13 341 6| 3.3 2.7 6.0|181.2 -36.3 145.0 48.3 0.47| 13.0 6.1 4000 333 12 306 6| 2.5 2.9 5.3|181.2 -54.8 126.4 31.6 0.34| 10.8 3.6 5000 326 11 288 6| 2.0 2.5 4.5|181.2 -76.0 105.2 21.0 0.24| 9.3 2.2 6000 324 10 277 5| 1.7 2.0 3.7|183.5 -84.8 98.8 16.5 0.21| 8.1 1.7 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250421.00.gif