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 U3921... Searching the city database file for: U3921 ... Date:1200Z 28 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 24 355 7 SFC 991 96 -0.5 -0.5 100 0.0 -0.5 355 7 273.4 274.0 273.1 283.4 3.72 2 925 644 -4.1 -6.0 87 1.9 -4.8 10 36 275.1 275.6 272.5 282.4 2.64 3 890 947 -5.5 -7.5 86 2.0 -6.2 21 37 276.7 277.1 273.2 283.5 2.44 4 850 1308 -5.9 -7.6 88 1.7 -6.5 35 38 280.0 280.4 275.2 287.1 2.54 5 712 2696 -6.1 -8.1 86 2.0 -6.8 103 17 294.3 294.8 282.6 303.0 2.91 6 700 2829 -6.5 -8.6 85 2.1 -7.3 110 15 295.3 295.8 283.0 303.9 2.85 7 660 3288 -7.3 -9.6 84 2.3 -8.1 124 18 299.4 299.9 284.5 307.9 2.79 8 500 5400 -20.1 -26.1 59 6.0 -21.3 190 33 308.5 308.7 285.9 311.6 0.91 9 471 5839 -23.1 -29.1 58 6.0 -24.2 191 34 310.1 310.3 286.2 312.6 0.73 10 400 7010 -32.5 -39.5 50 7.0 -33.2 195 36 312.7 312.8 286.7 313.9 0.31 11 300 8970 -48.3 -57.3 35 9.0 -48.6 190 58 317.3 317.3 287.9 317.5 0.06 12 277 9488 -52.7 -62.7 29 10.0 -52.9 190 61 318.2 318.3 288.2 318.4 0.03 13 250 10140 -58.3 -68.3 27 10.0 -58.4 190 66 319.4 319.4 288.6 319.5 0.02 14 246 10243 -58.2 -68.2 27 10.0 -58.3 190 66 321.0 321.0 289.0 321.1 0.02 15 242 10347 -58.1 -68.1 27 10.0 -58.2 192 64 322.7 322.7 289.6 322.7 0.02 16 200 11580 -50.9 -61.9 26 11.0 -51.2 220 38 352.2 352.2 297.1 352.4 0.05 17 186 12054 -48.3 -60.3 24 12.0 -48.8 220 37 363.8 363.8 299.5 364.0 0.06 18 150 13470 -47.3 -62.3 16 15.0 -48.0 220 36 388.6 388.6 303.6 388.8 0.06 19 100 16120 -49.9 -68.9 9 19.0 -50.8 230 31 431.3 431.3 309.0 431.5 0.04 20 88 16956 -49.9 -69.9 8 20.0 -50.9 232 31 447.4 447.4 310.6 447.6 0.04 21 70 18440 -53.3 -74.3 6 21.0 -54.2 235 31 470.4 470.4 312.7 470.5 0.02 22 67 18723 -53.7 -75.7 5 22.0 -54.6 233 28 475.4 475.4 313.1 475.5 0.02 23 50 20610 -54.1 -77.1 4 23.0 -55.2 220 11 516.0 516.0 316.1 516.1 0.02 24 30 23900 -53.1 -76.1 4 23.0 -54.9 315 9 599.9 599.9 320.6 600.2 0.04 25 27 24579 -52.9 -75.9 5 23.0 -54.9 618.8 618.8 321.5 619.1 0.05 TRP 250 10140 -58.3 -68.3 27 10.0 -58.4 190 66 319.4 319.4 288.6 319.5 0.02 WND 246 10243 -58.2 -68.2 27 10.0 -58.3 190 66 321.0 321.0 289.0 321.1 0.02 Sounding variables and indices 1000-500 mb thick: 5376.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.52 inches Sfc-500 mean rel hum: 80.80 % Est. max temperature: 6.93 C = 44.48 F Sfc-Lift cond lev (LCL): 990.81 mb = 97.85 m = 321.04 ft T: -0.51 C 700-500 lapse rate: 5.29 C/km ThetaE index: 0.99 C Layer 925.0- 890.0 mb Conv cond level (CCL): 908.05 mb = 789.53 m = 2590.28 ft Mean mixing ratio: 2.95 g/kg Conv temperature: 2.02 C = 35.64 F Cap Strength: 16.82 C Lifted Index: 21.54 C Risk: None Lifted Index @300 mb: 24.34 C Lifted Index @700 mb: 13.99 C Showalter Index: 18.26 C Risk: None Total Totals Index: 26.70 C Risk: None Vertical Totals Index: 14.20 C Cross Totals Index: 12.50 C K Index: 4.50 Risk: None Sweat Index: 109.00 Risk: None Energy Index: 5.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.61 J/kg Max Up Vert Vel: 4.82 m/s Conv Inhibition (B-): 48849.95 J/kg Cap Strength: 21.45 C Lift Cond Lev (LCL): 922.83 mb = 662.48 m = 2173.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 144 at 20 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 ---------------------------------------------------------- 0 991 96 355 7 0.6 -7.0 | 332 26 12.5 -23.3 1 925 644 10 36 -6.3 -35.5 | 354 52 5.7 -51.8 2 850 1308 35 38 -21.8 -31.1 | 12 48 -9.9 -47.5 3 700 2829 110 15 -14.1 5.1 | 11 11 -2.2 -11.2 4 500 5400 190 33 5.7 32.5 | 227 24 17.6 16.2 5 400 7010 195 36 9.3 34.8 | 229 28 21.2 18.4 6 300 8970 190 58 10.1 57.1 | 208 46 22.0 40.8 7 250 10140 190 66 11.5 65.0 | 206 54 23.4 48.7 8 246 10243 190 66 11.5 65.0 | 206 54 23.4 48.7 9 200 11580 220 38 24.4 29.1 | 251 39 36.3 12.8 10 150 13470 220 36 23.1 27.6 | 252 37 35.1 11.3 11 100 16120 230 31 23.7 19.9 | 264 36 35.7 3.6 12 70 18440 235 31 25.4 17.8 | 268 37 37.3 1.5 13 50 20610 220 11 7.1 8.4 | 293 21 19.0 -7.9 14 30 23900 315 9 6.4 -6.4 | 321 29 18.3 -22.7 Wind Parameters Mean winds (0-6000m): 113.9 at 27.0 knts Storm direction: 143.9 at 20.2 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 47.7 deg Storm rel helicity (0-3000m) pos: 497.3 neg: -16.6 tot: 480.7 m^2/s^2 ave: 160.2 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 15.4 stream: 6.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.06 Bulk Shear: 191.20 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 7 20 346 38| 27.5 0.0 27.5|135.8 0.0 135.8 271.7 0.49| 27.8 13.7 1000 14 28 353 44| 16.3 0.0 16.3|300.2 0.0 300.2 300.2 0.64| 20.6 13.1 1500 23 31 0 45| 10.3 0.0 10.3|437.5 0.0 437.5 291.7 0.66| 18.9 12.6 2000 31 31 5 43| 6.6 0.0 6.6|491.1 0.0 491.1 245.5 0.61| 18.0 10.9 2500 35 29 7 40| 4.4 0.0 4.4|494.4 -6.9 487.5 195.0 0.50| 16.9 8.5 3000 39 27 8 38| 3.7 0.0 3.7|497.3 -16.6 480.7 160.2 0.44| 15.4 6.8 4000 55 25 16 32| 3.9 0.0 3.9|506.1 -16.6 489.6 122.4 0.47| 13.2 6.3 5000 77 26 31 26| 3.9 0.0 3.9|528.1 -16.6 511.5 102.3 0.47| 12.3 5.7 6000 114 27 67 14| 3.5 0.0 3.5|545.6 -16.6 529.0 88.2 0.46| 10.9 5.1 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250428.12.gif