UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 16 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 78 355 5 SFC 998 94 5.0 -5.0 48 10.0 1.1 355 5 278.3 278.8 274.4 285.7 2.64 2 927 691 0.0 -13.0 37 13.0 -4.0 340 26 279.1 279.4 273.2 283.5 1.51 3 925 708 -0.3 -13.3 37 13.0 -4.2 340 27 279.0 279.3 273.1 283.3 1.48 4 850 1376 -6.9 -13.9 57 7.0 -8.8 340 29 278.9 279.2 273.1 283.3 1.53 5 819 1664 -9.3 -13.4 72 4.1 -10.4 333 30 279.4 279.6 273.5 284.1 1.66 6 784 2001 -11.3 -13.8 82 2.5 -12.0 325 31 280.7 281.0 274.3 285.6 1.68 7 700 2862 -16.1 -20.7 68 4.6 -17.1 305 33 284.7 284.8 275.5 287.8 1.05 8 691 2959 -16.7 -21.3 67 4.6 -17.6 305 33 285.0 285.2 275.7 288.1 1.01 9 500 5300 -34.5 -40.5 54 6.0 -34.9 295 27 291.0 291.0 277.5 291.7 0.22 10 494 5384 -35.1 -42.1 49 7.0 -35.5 294 28 291.2 291.3 277.6 291.9 0.19 11 432 6309 -39.7 -47.7 42 8.0 -40.1 288 34 296.8 296.8 280.1 297.2 0.12 12 400 6830 -44.1 -52.1 41 8.0 -44.4 285 38 297.7 297.7 280.4 298.0 0.08 13 353 7655 -50.7 -58.7 38 8.0 -50.8 280 36 299.6 299.6 281.2 299.8 0.04 14 313 8447 -45.3 -54.3 36 9.0 -45.6 287 40 317.6 317.6 288.1 317.9 0.08 15 300 8730 -45.3 -54.3 36 9.0 -45.6 290 42 321.5 321.5 289.3 321.8 0.08 16 250 9950 -44.5 -57.5 22 13.0 -45.0 285 44 339.9 339.9 294.4 340.2 0.06 17 200 11450 -44.5 -60.5 15 16.0 -45.2 285 36 362.3 362.3 299.2 362.6 0.06 18 184 12010 -43.1 -61.1 12 18.0 -44.0 285 38 373.3 373.3 301.2 373.6 0.06 19 160 12943 -47.3 -66.3 10 19.0 -48.0 285 41 381.5 381.5 302.5 381.6 0.03 20 150 13370 -46.5 -66.5 9 20.0 -47.3 285 42 389.9 389.9 303.8 390.1 0.03 21 122 14738 -45.3 -67.3 7 22.0 -46.5 293 32 415.9 415.9 307.3 416.1 0.04 22 100 16050 -48.5 -71.5 5 23.0 -49.6 300 23 434.0 434.0 309.3 434.1 0.02 23 79 17598 -47.5 -73.5 3 26.0 -49.0 300 26 466.4 466.4 312.3 466.5 0.02 24 70 18390 -50.5 -74.5 4 24.0 -51.7 300 27 476.3 476.4 313.2 476.5 0.02 25 67 18676 -50.7 -74.7 4 24.0 -51.9 302 26 481.9 481.9 313.6 482.1 0.02 26 58 19622 -48.3 -73.3 4 25.0 -50.0 308 24 507.6 507.6 315.5 507.8 0.03 27 53 20212 -52.1 -76.1 4 24.0 -53.4 312 22 512.1 512.1 315.8 512.2 0.02 28 50 20590 -51.7 -75.7 4 24.0 -53.1 315 21 521.6 521.6 316.4 521.8 0.03 29 46 21134 -49.5 -74.5 4 25.0 -51.4 322 21 539.5 539.5 317.5 539.8 0.03 30 38 22383 -50.9 -74.9 4 24.0 -52.8 339 20 566.3 566.3 319.0 566.5 0.04 31 33 23311 -46.9 -72.9 4 26.0 -50.0 352 19 600.2 600.2 320.6 600.6 0.06 32 30 23940 -49.1 -74.1 4 25.0 -51.8 360 19 610.8 610.8 321.1 611.2 0.06 33 20 26600 -50.1 -75.1 4 25.0 -53.4 5 23 682.8 682.9 323.9 683.4 0.07 34 17 27654 -52.3 -76.3 4 24.0 -55.4 5 21 708.3 708.3 324.7 708.9 0.07 35 12 29931 -46.7 -72.7 4 26.0 -52.7 5 17 802.3 802.4 327.3 804.0 0.17 36 10 31130 -49.7 -74.7 4 25.0 -55.1 5 15 834.0 834.1 328.1 835.6 0.15 37 9.7 31329 -50.1 -75.1 4 25.0 -55.5 839.8 839.9 328.2 841.3 0.15 TRP 353 7655 -50.7 -58.7 38 8.0 -50.8 280 36 299.6 299.6 281.2 299.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5222.00 m Freezing level: 927.00 mb = 690.71 m = 2266.09 ft Wetbulb zero: 982.22 mb = 223.13 m = 732.04 ft Precipitable water: 0.26 inches Sfc-500 mean rel hum: 60.81 % Est. max temperature: 5.64 C = 42.15 F Sfc-Lift cond lev (LCL): 854.93 mb = 1330.27 m = 4364.36 ft T: -6.45 C 700-500 lapse rate: 7.55 C/km ThetaE index: 2.42 C Layer 927.0- 850.0 mb Conv cond level (CCL): 758.57 mb = 2251.32 m = 7386.12 ft Mean mixing ratio: 1.90 g/kg Conv temperature: 8.56 C = 47.41 F Cap Strength: 3.67 C Lifted Index: 6.14 C Risk: None Lifted Index @300 mb: 26.46 C Lifted Index @700 mb: 3.45 C Showalter Index: 6.79 C Risk: None Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 20.60 C K Index: 9.10 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 1.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.86 J/kg Max Up Vert Vel: 1.93 m/s Conv Inhibition (B-): 70183.84 J/kg Cap Strength: 6.05 C Lift Cond Lev (LCL): 793.97 mb = 1903.47 m = 6244.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 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 ---------------------------------------------------------- 0 998 94 355 5 0.4 -5.0 | 157 17 -6.6 15.3 1 925 708 340 27 9.2 -25.4 | 337 5 2.2 -5.1 2 850 1376 340 29 9.9 -27.3 | 338 7 2.8 -6.9 3 700 2862 305 33 27.0 -18.9 | 266 20 20.0 1.4 4 500 5300 295 27 24.5 -11.4 | 243 20 17.4 8.9 5 400 6830 285 38 36.7 -9.8 | 251 31 29.6 10.5 6 353 7655 280 36 35.5 -6.3 | 244 32 28.4 14.1 7 300 8730 290 42 39.5 -14.4 | 260 33 32.4 5.9 8 250 9950 285 44 42.5 -11.4 | 256 37 35.4 8.9 9 200 11450 285 36 34.8 -9.3 | 248 30 27.7 11.0 10 150 13370 285 42 40.6 -10.9 | 254 35 33.5 9.4 11 100 16050 300 23 19.9 -11.5 | 236 16 12.8 8.8 12 70 18390 300 27 23.4 -13.5 | 247 18 16.3 6.8 13 50 20590 315 21 14.8 -14.8 | 235 9 7.8 5.5 14 30 23940 360 19 -0.0 -19.0 | 101 7 -7.1 1.3 15 20 26600 5 23 -2.0 -22.9 | 74 9 -9.1 -2.6 16 10 31130 5 15 -1.3 -14.9 | 123 10 -8.4 5.4 Wind Parameters Mean winds (0-6000m): 310.8 at 28.7 knts Storm direction: 340.8 at 21.5 knts Shear (0-3000m) pos: 0.0 neg: 5.1 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 107.2 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -63.1 tot: -63.0 m^2/s^2 ave: -21.0 10^-3 m/s^2 rel: -0.56 Storm rel vorticity (0-3000m) horiz: 7.8 stream: -4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 44.99 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 ------------------------------------------------------------------------------- 500 343 14 157 8| 0.0 18.6 18.6| 0.0 -9.8 -9.8 -19.6 -0.43| 19.6 -8.4 1000 341 20 154 1| 0.0 12.0 12.0| 0.1 -11.1 -11.1 -11.1 -0.41| 12.6 -5.2 1500 340 23 333 2| 0.0 8.6 8.6| 0.1 -16.3 -16.2 -10.8 -0.45| 9.6 -4.3 2000 337 25 314 4| 0.0 6.9 6.9| 0.1 -30.0 -29.9 -14.9 -0.51| 8.8 -4.5 2500 332 26 299 6| 0.0 5.9 5.9| 0.1 -47.4 -47.3 -18.9 -0.54| 8.4 -4.5 3000 327 27 288 8| 0.0 5.1 5.1| 0.1 -63.1 -63.0 -21.0 -0.56| 7.8 -4.3 4000 320 28 277 11| 0.0 3.5 3.5| 0.1 -80.4 -80.3 -20.1 -0.59| 6.3 -3.7 5000 315 29 269 13| 0.0 2.6 2.6| 0.1 -97.0 -96.9 -19.4 -0.61| 5.3 -3.3 6000 311 29 264 15| 0.0 2.7 2.7| 13.1-100.3 -87.2 -14.5 -0.51| 5.0 -2.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250416.12.gif