UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 15 APR 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 1009 58 0.0 -14.0 34 14.0 -4.0 315 3 272.5 272.7 268.7 276.1 1.28 1 1000 130 -0.7 -15.7 31 15.0 -4.7 300 3 272.5 272.6 268.4 275.7 1.12 2 925 746 -6.5 -19.5 35 13.0 -9.4 270 11 272.7 272.8 268.1 275.2 0.88 3 850 1398 -12.7 -22.7 43 10.0 -14.6 270 9 272.8 273.0 268.0 275.0 0.73 4 789 1960 -18.3 -25.3 54 7.0 -19.4 280 7 272.7 272.8 267.7 274.5 0.62 5 700 2841 -25.5 -39.5 26 14.0 -26.6 295 5 274.2 274.3 267.9 274.8 0.18 6 628 3617 -31.9 -39.9 45 8.0 -32.4 290 10 275.6 275.6 268.8 276.2 0.19 7 624 3662 -32.3 -39.3 50 7.0 -32.8 290 10 275.6 275.7 268.8 276.3 0.20 8 500 5190 -42.3 -48.3 52 6.0 -42.5 280 19 281.5 281.5 272.2 281.8 0.10 9 448 5927 -47.3 -53.3 50 6.0 -47.4 285 19 284.2 284.2 273.6 284.4 0.06 10 400 6680 -46.3 -52.3 51 6.0 -46.5 295 29 294.8 294.8 279.1 295.1 0.08 11 310 8380 -43.7 -55.7 25 12.0 -44.2 291 33 320.7 320.8 289.0 321.0 0.06 12 300 8600 -43.7 -56.7 22 13.0 -44.2 290 33 323.8 323.8 290.0 324.0 0.06 13 250 9820 -43.5 -60.5 14 17.0 -44.2 290 35 341.4 341.4 294.7 341.6 0.04 14 200 11320 -43.3 -64.3 8 21.0 -44.2 285 35 364.2 364.2 299.5 364.4 0.03 15 161 12784 -43.3 -65.3 7 22.0 -44.4 277 32 387.5 387.5 303.5 387.7 0.04 16 150 13260 -44.9 -67.9 6 23.0 -45.9 275 31 392.7 392.7 304.2 392.8 0.03 17 100 15940 -48.7 -71.7 5 23.0 -49.7 285 29 433.6 433.6 309.2 433.8 0.02 18 77 17664 -47.5 -70.5 5 23.0 -49.0 285 17 469.8 469.8 312.7 470.0 0.04 19 70 18290 -50.3 -73.3 5 23.0 -51.5 285 13 476.8 476.8 313.2 476.9 0.03 20 64 18875 -51.3 -74.3 5 23.0 -52.5 293 14 487.0 487.0 314.0 487.1 0.03 21 56 19748 -49.1 -73.1 4 24.0 -50.7 305 14 510.9 510.9 315.7 511.2 0.03 22 50 20490 -50.5 -73.5 5 23.0 -52.1 315 15 524.5 524.5 316.6 524.7 0.04 23 33 23183 -52.9 -75.9 5 23.0 -54.6 343 7 584.3 584.3 319.9 584.6 0.04 24 30 23800 -51.1 -75.1 4 24.0 -53.4 350 5 605.3 605.4 320.9 605.7 0.05 25 26 24731 -50.5 -74.5 4 24.0 -53.1 355 8 632.3 632.3 322.0 632.8 0.06 26 20 26430 -53.5 -76.5 4 23.0 -55.9 5 13 672.4 672.4 323.5 672.9 0.06 27 15 28275 -54.9 -77.9 4 23.0 -57.6 725.4 725.5 325.3 726.0 0.06 28 10 30887 -51.5 -75.5 4 24.0 -56.2 827.3 827.4 327.9 828.7 0.14 TRP 448 5927 -47.3 -53.3 50 6.0 -47.4 285 19 284.2 284.2 273.6 284.4 0.06 WND Sounding variables and indices 1000-500 mb thick: 5060.00 m Freezing level: 1009.00 mb = 58.41 m = 191.62 ft Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 42.67 % Est. max temperature: 0.38 C = 32.68 F Sfc-Lift cond lev (LCL): 809.62 mb = 1765.33 m = 5791.71 ft T: -16.36 C 700-500 lapse rate: 7.15 C/km ThetaE index: 1.54 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 762.93 mb = 2207.43 m = 7242.13 ft Mean mixing ratio: 1.00 g/kg Conv temperature: 0.73 C = 33.31 F Cap Strength: 1.14 C Lifted Index: 5.23 C Risk: None Lifted Index @300 mb: 34.27 C Lifted Index @700 mb: 0.67 C Showalter Index: 5.61 C Risk: None Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.60 C Cross Totals Index: 19.60 C K Index: -7.10 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.61 J/kg Max Up Vert Vel: 1.10 m/s Conv Inhibition (B-): 63019.04 J/kg Cap Strength: 4.86 C Lift Cond Lev (LCL): 769.96 mb = 2139.86 m = 7020.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 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 1009 58 315 3 2.1 -2.1 | 129 5 -4.2 3.4 1 1000 130 300 3 2.6 -1.5 | 137 5 -3.7 4.0 2 925 746 270 11 11.0 -0.0 | 220 7 4.7 5.5 3 850 1398 270 9 9.0 -0.0 | 206 6 2.7 5.5 4 700 2841 295 5 4.5 -2.1 | 152 4 -1.8 3.4 5 500 5190 280 19 18.7 -3.3 | 260 13 12.4 2.2 6 448 5927 285 19 18.4 -4.9 | 267 12 12.0 0.6 7 400 6680 295 29 26.3 -12.3 | 289 21 20.0 -6.8 8 300 8600 290 33 31.0 -11.3 | 283 25 24.7 -5.8 9 250 9820 290 35 32.9 -12.0 | 284 27 26.6 -6.5 10 200 11320 285 35 33.8 -9.1 | 277 28 27.5 -3.6 11 150 13260 275 31 30.9 -2.7 | 264 25 24.6 2.8 12 100 15940 285 29 28.0 -7.5 | 275 22 21.7 -2.0 13 70 18290 285 13 12.6 -3.4 | 251 7 6.2 2.1 14 50 20490 315 15 10.6 -10.6 | 320 7 4.3 -5.1 15 30 23800 350 5 0.9 -4.9 | 96 5 -5.5 0.6 16 20 26430 5 13 -1.1 -13.0 | 45 11 -7.5 -7.5 Wind Parameters Mean winds (0-6000m): 281.0 at 11.2 knts Storm direction: 311.0 at 8.4 knts Shear (0-3000m) pos: 0.9 neg: 1.4 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 40.7 deg Storm rel helicity (0-3000m) pos: 9.1 neg: -7.0 tot: 2.1 m^2/s^2 ave: 0.7 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 4.49 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 ------------------------------------------------------------------------------- 500 286 5 164 4| 0.0 6.6 6.6| 6.4 0.0 6.4 12.7 0.87| 6.8 5.9 1000 274 8 197 5| 0.0 4.2 4.2| 8.3 -1.3 6.9 6.9 0.61| 5.3 3.2 1500 273 8 201 5| 0.5 2.8 3.3| 8.3 -3.2 5.1 3.4 0.43| 4.1 1.8 2000 274 8 201 5| 0.9 2.1 3.0| 8.3 -4.6 3.6 1.8 0.29| 3.6 1.0 2500 275 8 197 5| 1.0 1.7 2.7| 8.3 -6.2 2.1 0.8 0.16| 3.2 0.5 3000 277 7 193 5| 0.9 1.4 2.3| 9.1 -7.0 2.1 0.7 0.15| 3.0 0.4 4000 280 8 200 4| 0.6 1.8 2.4| 13.2 -7.0 6.3 1.6 0.31| 3.0 0.9 5000 280 9 218 5| 0.5 2.1 2.6| 15.6 -7.0 8.7 1.7 0.28| 3.1 0.9 6000 281 11 234 6| 0.5 1.7 2.2| 24.4 -7.0 17.4 2.9 0.33| 2.9 0.9 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250415.12.gif