UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 28 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 164 4.4 -10.6 33 15.0 -0.6 310 29 277.5 277.8 272.5 282.3 1.70 1 1000 172 4.8 -9.2 35 14.0 -0.0 310 29 278.0 278.3 273.1 283.4 1.90 2 941 660 -0.9 -12.9 40 12.0 -4.5 330 24 277.0 277.3 271.9 281.3 1.50 3 925 796 -1.9 -12.9 43 11.0 -5.2 335 23 277.4 277.6 272.2 281.8 1.53 4 893 1075 -4.3 -14.3 46 10.0 -7.1 316 22 277.7 277.9 272.2 281.8 1.41 5 850 1462 -6.9 -14.9 53 8.0 -9.1 290 21 278.9 279.2 272.9 283.0 1.41 6 784 2089 -9.7 -16.7 57 7.0 -11.5 317 24 282.4 282.7 274.8 286.3 1.32 7 738 2551 -15.5 -21.5 60 6.0 -16.7 337 27 281.0 281.2 273.3 283.8 0.93 8 700 2948 -18.1 -22.9 66 4.8 -19.0 355 29 282.4 282.6 274.0 285.1 0.87 9 667 3308 -19.1 -25.1 59 6.0 -20.1 355 30 285.2 285.4 275.4 287.5 0.75 10 576 4376 -29.5 -36.5 51 7.0 -30.2 355 31 285.3 285.3 274.7 286.2 0.29 11 500 5370 -36.5 -46.5 35 10.0 -37.0 355 33 288.5 288.6 276.1 288.9 0.12 12 440 6243 -43.1 -53.1 32 10.0 -43.4 358 40 290.9 290.9 277.2 291.2 0.06 13 407 6765 -45.7 -55.7 31 10.0 -46.0 360 44 294.1 294.1 278.7 294.3 0.05 14 400 6880 -45.7 -55.7 31 10.0 -46.0 360 44 295.6 295.6 279.4 295.8 0.05 15 300 8820 -42.5 -61.5 11 19.0 -43.2 310 52 325.5 325.5 290.5 325.6 0.03 16 265 9650 -42.1 -66.1 6 24.0 -42.9 293 63 337.8 337.8 293.8 337.9 0.02 17 250 10040 -42.6 -66.8 5 24.2 -43.4 285 68 342.8 342.8 295.0 342.9 0.02 18 200 11540 -44.3 -69.3 5 25.0 -45.2 255 31 362.6 362.6 299.2 362.7 0.02 19 180 12246 -45.3 -69.3 5 24.0 -46.2 250 31 372.1 372.1 300.9 372.2 0.02 20 150 13460 -47.3 -71.3 5 24.0 -48.1 240 31 388.6 388.6 303.6 388.6 0.02 21 143 13775 -48.3 -72.3 5 24.0 -49.1 239 31 392.2 392.2 304.1 392.2 0.02 22 119 14985 -47.1 -71.1 5 24.0 -48.1 234 31 415.5 415.5 307.2 415.6 0.02 23 104 15865 -52.1 -75.1 5 23.0 -52.8 231 31 422.3 422.3 308.0 422.4 0.01 24 100 16120 -49.9 -73.9 4 24.0 -50.8 230 31 431.3 431.3 309.0 431.4 0.02 25 90 16808 -51.3 -74.3 5 23.0 -52.2 227 29 441.7 441.7 310.1 441.8 0.02 26 82 17416 -50.1 -74.1 4 24.0 -51.2 224 28 456.1 456.1 311.4 456.2 0.02 27 70 18440 -55.1 -78.1 4 23.0 -55.8 220 25 466.5 466.5 312.4 466.6 0.01 28 69 18532 -55.1 -78.1 4 23.0 -55.8 220 25 468.4 468.4 312.5 468.5 0.01 29 50 20600 -54.5 -77.5 4 23.0 -55.5 225 15 515.0 515.0 316.0 515.2 0.02 30 42 21715 -53.7 -76.7 4 23.0 -55.0 227 14 543.4 543.4 317.7 543.5 0.03 31 39 22186 -56.9 -78.9 5 22.0 -57.9 227 14 546.9 546.9 317.9 547.0 0.02 32 37 22521 -54.1 -77.1 4 23.0 -55.5 228 14 562.4 562.4 318.8 562.6 0.03 33 32 23448 -55.1 -78.1 4 23.0 -56.5 229 13 583.6 583.6 319.9 583.8 0.03 34 30 23860 -54.3 -77.3 4 23.0 -55.9 230 13 596.6 596.6 320.5 596.9 0.03 35 23 25565 -53.3 -76.3 4 23.0 -55.5 204 10 646.7 646.7 322.6 647.1 0.05 36 21 26148 -55.7 -77.7 5 22.0 -57.6 195 9 656.5 656.5 322.9 656.8 0.05 37 20 26460 -53.1 -76.1 4 23.0 -55.6 190 9 673.6 673.7 323.6 674.1 0.06 38 18 27141 -51.7 -74.7 5 23.0 -54.8 698.7 698.7 324.4 699.4 0.08 39 13 29262 -49.7 -73.7 4 24.0 -54.3 773.7 773.8 326.6 775.0 0.14 40 12 29791 -45.3 -69.3 5 24.0 -51.8 807.2 807.4 327.5 810.1 0.28 TRP 407 6765 -45.7 -55.7 31 10.0 -46.0 360 44 294.1 294.1 278.7 294.3 0.05 WND 250 10040 -42.6 -66.8 5 24.2 -43.4 285 68 342.8 342.8 295.0 342.9 0.02 Sounding variables and indices 1000-500 mb thick: 5198.00 m Freezing level: 950.32 mb = 582.98 m = 1912.62 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 51.01 % Est. max temperature: 5.82 C = 42.47 F Sfc-Lift cond lev (LCL): 792.75 mb = 2003.15 m = 6571.92 ft T: -9.32 C 700-500 lapse rate: 7.60 C/km ThetaE index: 2.52 C Layer 738.0- 700.0 mb Conv cond level (CCL): 742.58 mb = 2503.66 m = 8214.02 ft Mean mixing ratio: 1.62 g/kg Conv temperature: 8.12 C = 46.61 F Cap Strength: 5.02 C Lifted Index: 5.78 C Risk: None Lifted Index @300 mb: 30.78 C Lifted Index @700 mb: 3.03 C Showalter Index: 5.08 C Risk: None Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.60 C Cross Totals Index: 21.60 C K Index: 9.90 Risk: None Sweat Index: 119.00 Risk: None Energy Index: 1.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.19 J/kg Max Up Vert Vel: 1.54 m/s Conv Inhibition (B-): 66531.91 J/kg Cap Strength: 5.66 C Lift Cond Lev (LCL): 785.26 mb = 2076.79 m = 6813.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 14 at 22 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 164 310 29 22.2 -18.6 | 265 28 27.5 2.3 1 1000 172 310 29 22.2 -18.6 | 265 28 27.5 2.3 2 925 796 335 23 9.7 -20.8 | 270 15 15.0 0.1 3 850 1462 290 21 19.7 -7.2 | 241 29 25.1 13.8 4 700 2948 355 29 2.5 -28.9 | 315 11 7.9 -7.9 5 500 5370 355 33 2.9 -32.9 | 325 14 8.2 -11.9 6 407 6765 360 44 -0.0 -44.0 | 347 24 5.3 -23.0 7 400 6880 360 44 -0.0 -44.0 | 347 24 5.3 -23.0 8 300 8820 310 52 39.8 -33.4 | 285 47 45.2 -12.5 9 250 10040 285 68 65.7 -17.6 | 267 71 71.0 3.4 10 200 11540 255 31 29.9 8.0 | 231 46 35.3 29.0 11 150 13460 240 31 26.8 15.5 | 221 49 32.2 36.5 12 100 16120 230 31 23.7 19.9 | 215 50 29.1 40.9 13 70 18440 220 25 16.1 19.2 | 208 45 21.4 40.1 14 50 20600 225 15 10.6 10.6 | 207 35 15.9 31.6 15 30 23860 230 13 10.0 8.4 | 208 33 15.3 29.3 16 20 26460 190 9 1.6 8.9 | 193 31 6.9 29.8 Wind Parameters Mean winds (0-6000m): 344.3 at 28.8 knts Storm direction: 14.3 at 21.6 knts Shear (0-3000m) pos: 5.8 neg: 2.1 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 51.2 deg Storm rel helicity (0-3000m) pos: 137.3 neg: -64.6 tot: 72.6 m^2/s^2 ave: 24.2 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 20.37 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 ------------------------------------------------------------------------------- 500 319 27 268 23| 10.5 0.0 10.5| 12.6 0.0 12.6 25.2 0.19| 10.6 2.0 1000 322 25 266 21| 5.3 4.2 9.5| 12.6 -29.0 -16.4 -16.4 -0.17| 11.1 -1.9 1500 315 24 259 23| 3.5 4.3 7.8| 34.1 -64.6 -30.6 -20.4 -0.18| 11.2 -2.1 2000 314 24 258 23| 4.5 3.2 7.7| 81.3 -64.6 16.6 8.3 0.03| 10.8 0.4 2500 319 24 262 21| 5.7 2.6 8.3|118.7 -64.6 54.1 21.6 0.18| 10.8 1.9 3000 326 25 269 19| 5.8 2.1 8.0|137.3 -64.6 72.6 24.2 0.25| 10.1 2.6 4000 335 26 280 17| 4.4 1.5 5.8|140.4 -64.6 75.7 18.9 0.26| 7.8 2.1 5000 341 27 289 15| 3.5 1.0 4.5|143.5 -64.6 78.9 15.8 0.27| 6.4 1.7 6000 344 29 297 15| 3.4 0.9 4.3|162.5 -64.6 97.9 16.3 0.31| 5.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250428.12.gif