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 U4908... Searching the city database file for: U4908 ... Date:1200Z 28 APR 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 164 SFC 988 263 5.4 -12.6 26 18.0 -0.4 355 3 279.5 279.8 273.3 283.8 1.47 2 925 795 -0.3 -17.3 26 17.0 -4.9 355 13 279.0 279.2 272.4 282.1 1.06 3 850 1462 -6.9 -19.9 35 13.0 -9.9 5 11 278.9 279.1 272.1 281.7 0.93 4 791 2018 -11.7 -21.7 43 10.0 -13.8 3 18 279.6 279.7 272.4 282.1 0.85 5 773 2195 -10.9 -23.9 33 13.0 -13.5 3 20 282.3 282.4 273.7 284.5 0.72 6 718 2757 -15.1 -32.1 22 17.0 -17.6 1 27 283.7 283.8 273.9 284.8 0.36 7 700 2949 -15.3 -30.3 27 15.0 -17.7 360 29 285.5 285.6 275.0 286.9 0.44 8 678 3190 -15.7 -33.7 20 18.0 -18.3 360 32 287.7 287.8 276.0 288.8 0.33 9 613 3946 -18.9 -34.9 23 16.0 -21.1 358 43 292.4 292.5 278.4 293.5 0.32 10 594 4181 -17.1 -38.1 14 21.0 -19.9 358 46 297.2 297.2 280.4 298.0 0.24 11 577 4398 -18.5 -40.5 13 22.0 -21.2 357 49 298.0 298.1 280.8 298.7 0.19 12 534 4971 -23.1 -38.1 24 15.0 -24.9 356 57 299.2 299.2 281.4 300.1 0.27 13 500 5450 -25.9 -37.9 32 12.0 -27.3 355 64 301.5 301.5 282.4 302.5 0.29 14 458 6080 -29.1 -36.1 51 7.0 -29.9 357 73 305.1 305.2 284.0 306.4 0.38 15 456 6111 -29.5 -36.5 51 7.0 -30.3 357 73 305.0 305.1 283.9 306.3 0.37 16 400 7030 -36.5 -44.5 43 8.0 -37.1 360 87 307.6 307.6 284.7 308.2 0.18 17 315 8641 -48.8 -56.0 43 7.2 -49.0 5 97 312.2 312.2 286.2 312.4 0.06 18 300 8960 -51.3 -58.3 43 7.0 -51.5 5 93 313.0 313.1 286.5 313.2 0.05 19 265 9753 -56.9 -64.9 36 8.0 -57.0 355 83 316.2 316.2 287.5 316.3 0.02 20 250 10120 -57.9 -65.9 35 8.0 -58.0 350 79 320.0 320.0 288.8 320.1 0.02 21 241 10352 -58.9 -66.9 35 8.0 -59.0 345 81 321.9 321.9 289.3 321.9 0.02 22 237 10457 -57.5 -65.5 35 8.0 -57.6 345 79 325.5 325.5 290.5 325.6 0.02 23 234 10539 -54.9 -62.9 36 8.0 -55.1 345 77 330.6 330.6 291.9 330.8 0.03 24 200 11550 -53.3 -62.3 33 9.0 -53.5 345 58 348.4 348.4 296.3 348.6 0.04 25 182 12161 -50.9 -60.9 30 10.0 -51.2 343 51 361.8 361.8 299.1 362.1 0.06 26 150 13420 -51.5 -64.5 20 13.0 -52.0 340 38 381.3 381.3 302.5 381.5 0.04 27 100 16040 -53.1 -70.1 11 17.0 -53.7 335 31 425.1 425.1 308.3 425.3 0.03 28 92 16573 -54.5 -71.5 11 17.0 -55.1 340 27 432.6 432.6 309.1 432.8 0.03 29 73 18051 -53.9 -71.9 9 18.0 -54.6 353 17 463.5 463.5 312.1 463.7 0.03 30 70 18320 -52.5 -71.5 8 19.0 -53.4 355 15 472.1 472.1 312.8 472.3 0.04 31 55 19881 -51.5 -71.5 7 20.0 -52.8 6 11 508.1 508.1 315.5 508.4 0.04 32 50 20500 -50.7 -70.7 8 20.0 -52.2 10 9 524.0 524.0 316.6 524.4 0.06 33 30 23810 -52.9 -73.9 6 21.0 -54.8 350 15 600.4 600.4 320.6 600.9 0.06 34 28 24257 -51.5 -72.5 6 21.0 -53.7 616.3 616.3 321.3 616.9 0.08 35 21 26133 -49.3 -71.3 6 22.0 -52.7 675.8 675.8 323.7 676.8 0.12 TRP 241 10352 -58.9 -66.9 35 8.0 -59.0 345 81 321.9 321.9 289.3 321.9 0.02 WND 315 8641 -48.8 -56.0 43 7.2 -49.0 5 97 312.2 312.2 286.2 312.4 0.06 Sounding variables and indices 1000-500 mb thick: 5286.00 m Freezing level: 928.32 mb = 766.98 m = 2516.30 ft Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 26.09 % Est. max temperature: 4.94 C = 40.90 F Sfc-Lift cond lev (LCL): 746.90 mb = 2456.41 m = 8058.99 ft T: -12.85 C 700-500 lapse rate: 4.24 C/km ThetaE index: 2.11 C Layer 925.0- 791.0 mb Conv cond level (CCL): 540.47 mb = 4881.75 m = 16016.04 ft Mean mixing ratio: 1.17 g/kg Conv temperature: 24.84 C = 76.70 F Cap Strength: 14.61 C Lifted Index: 15.97 C Risk: None Lifted Index @300 mb: 21.57 C Lifted Index @700 mb: 5.45 C Showalter Index: 16.74 C Risk: None Total Totals Index: 25.00 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 6.00 C K Index: -15.90 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 4.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.59 J/kg Max Up Vert Vel: 3.03 m/s Conv Inhibition (B-): 49529.12 J/kg Cap Strength: 15.58 C Lift Cond Lev (LCL): 719.25 mb = 2743.86 m = 9002.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 27 at 27 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 ---------------------------------------------------------- 0 988 263 355 3 0.3 -3.0 | 211 25 12.7 21.2 1 925 795 355 13 1.1 -13.0 | 230 18 13.6 11.3 2 850 1462 5 11 -1.0 -11.0 | 221 18 11.5 13.2 3 700 2949 360 29 -0.0 -29.0 | 291 13 12.5 -4.8 4 500 5450 355 64 5.6 -63.8 | 335 43 18.0 -39.6 5 400 7030 360 87 -0.0 -87.0 | 349 64 12.5 -62.8 6 315 8641 5 97 -8.5 -96.6 | 357 73 4.0 -72.4 7 300 8960 5 93 -8.1 -92.6 | 356 69 4.4 -68.4 8 250 10120 350 79 13.7 -77.8 | 334 60 26.2 -53.6 9 241 10352 345 81 21.0 -78.2 | 328 64 33.4 -54.0 10 200 11550 345 58 15.0 -56.0 | 319 42 27.5 -31.8 11 150 13420 340 38 13.0 -35.7 | 294 28 25.5 -11.5 12 100 16040 335 31 13.1 -28.1 | 279 26 25.6 -3.9 13 70 18320 355 15 1.3 -14.9 | 236 17 13.8 9.3 14 50 20500 10 9 -1.6 -8.9 | 215 19 10.9 15.3 15 30 23810 350 15 2.6 -14.8 | 238 18 15.1 9.4 Wind Parameters Mean winds (0-6000m): 357.2 at 36.3 knts Storm direction: 27.2 at 27.2 knts Shear (0-3000m) pos: 0.5 neg: 4.8 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 94.6 deg Storm rel helicity (0-3000m) pos: 106.8 neg: -11.9 tot: 94.9 m^2/s^2 ave: 31.6 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 108.35 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 ------------------------------------------------------------------------------- 500 355 8 218 21| 0.0 9.7 9.7| 36.1 0.0 36.1 72.2 0.69| 9.7 6.7 1000 357 10 222 19| 0.9 4.8 5.7| 37.0 -8.1 29.0 29.0 0.43| 6.0 2.5 1500 360 11 223 18| 1.1 3.2 4.3| 47.9 -11.9 36.0 24.0 0.41| 5.5 2.3 2000 1 12 226 17| 0.8 4.0 4.8| 66.6 -11.9 54.7 27.4 0.54| 5.7 3.1 2500 1 15 233 15| 0.6 4.4 5.1| 85.7 -11.9 73.8 29.5 0.64| 5.8 3.7 3000 0 17 241 14| 0.5 4.8 5.4|106.8 -11.9 94.9 31.6 0.68| 6.0 4.1 4000 359 23 264 13| 0.4 5.4 5.8|149.1 -11.9 137.2 34.3 0.64| 6.3 4.1 5000 358 30 292 15| 0.3 5.8 6.1|185.1 -11.9 173.2 34.6 0.56| 6.5 3.7 6000 357 36 310 19| 1.5 4.8 6.3|273.4 -11.9 261.5 43.6 0.55| 6.7 3.6 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250428.12.gif