UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 21 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 ------------------------------------------------------------------------------- 0 1000 18 290 3 SFC 995 58 1.2 -4.8 64 6.0 -1.0 290 3 274.7 275.2 272.4 282.2 2.68 2 945 469 -3.3 -8.3 68 5.0 -4.9 357 6 274.3 274.6 271.3 280.3 2.16 3 925 638 -4.3 -8.9 70 4.6 -5.8 25 7 274.9 275.3 271.6 280.8 2.10 4 850 1298 -9.1 -13.0 73 3.9 -10.2 10 9 276.6 276.9 271.9 281.3 1.65 5 700 2769 -19.9 -24.2 69 4.3 -20.6 320 3 280.4 280.6 272.8 282.8 0.77 6 643 3393 -24.3 -27.9 72 3.6 -24.8 339 4 282.4 282.5 273.6 284.2 0.60 7 636 3472 -24.3 -27.9 72 3.6 -24.8 341 4 283.2 283.3 274.0 285.1 0.61 8 551 4500 -32.5 -37.5 61 5.0 -32.9 13 6 285.4 285.4 274.7 286.3 0.28 9 507 5083 -34.5 -39.3 62 4.8 -34.8 32 7 289.8 289.9 277.0 290.6 0.25 10 500 5180 -35.1 -39.8 62 4.7 -35.4 35 7 290.2 290.3 277.2 291.0 0.24 11 435 6136 -40.7 -45.4 60 4.7 -40.9 342 8 294.9 295.0 279.3 295.5 0.15 12 400 6700 -45.1 -49.8 59 4.7 -45.3 310 9 296.4 296.4 279.9 296.7 0.10 13 349 7598 -51.7 -56.7 55 5.0 -51.8 325 15 299.2 299.3 281.1 299.4 0.05 14 319 8185 -48.5 -53.5 56 5.0 -48.7 340 14 311.5 311.5 285.9 311.8 0.08 15 300 8590 -47.1 -53.1 50 6.0 -47.3 350 13 319.0 319.0 288.5 319.3 0.09 16 250 9810 -44.5 -54.5 32 10.0 -45.0 325 17 339.9 339.9 294.4 340.3 0.09 17 246 9918 -44.5 -54.5 32 10.0 -45.0 324 17 341.5 341.5 294.8 341.9 0.09 18 200 11300 -44.3 -60.3 15 16.0 -45.0 315 21 362.6 362.6 299.2 362.9 0.06 19 184 11855 -45.5 -62.5 13 17.0 -46.2 314 22 369.4 369.4 300.5 369.6 0.05 20 161 12741 -46.1 -65.1 10 19.0 -46.9 311 23 382.8 382.8 302.7 383.0 0.04 21 150 13210 -46.7 -66.7 8 20.0 -47.6 310 23 389.6 389.6 303.8 389.7 0.03 22 100 15880 -50.1 -71.1 7 21.0 -51.0 305 19 430.9 430.9 309.0 431.1 0.03 23 70 18200 -51.9 -73.9 5 22.0 -52.9 295 13 473.4 473.4 312.9 473.5 0.02 24 57 19529 -52.7 -74.7 5 22.0 -53.8 261 13 500.2 500.2 314.9 500.3 0.03 25 50 20380 -50.5 -72.5 6 22.0 -52.1 240 13 524.5 524.5 316.6 524.7 0.04 26 43 21364 -50.3 -73.3 5 23.0 -52.1 225 16 548.1 548.1 318.0 548.4 0.04 27 31 23479 -54.5 -76.5 5 22.0 -56.1 193 22 590.5 590.5 320.2 590.8 0.04 28 30 23690 -52.5 -74.5 5 22.0 -54.4 190 23 601.5 601.5 320.7 601.9 0.05 29 26 24619 -49.5 -72.5 5 23.0 -52.4 199 22 635.2 635.2 322.2 635.8 0.08 30 21 26005 -53.1 -75.1 5 22.0 -55.5 212 21 664.3 664.3 323.2 664.9 0.07 31 20 26320 -51.7 -74.7 5 23.0 -54.6 215 21 677.9 678.0 323.7 678.6 0.08 32 10 30830 -47.7 -71.7 5 24.0 -53.8 165 25 841.5 841.6 328.2 844.0 0.24 33 9.3 31309 -48.1 -73.1 4 25.0 -54.4 857.6 857.7 328.6 859.8 0.21 TRP 349 7598 -51.7 -56.7 55 5.0 -51.8 325 15 299.2 299.3 281.1 299.4 0.05 WND Sounding variables and indices 1000-500 mb thick: 5162.00 m Freezing level: 981.67 mb = 167.87 m = 550.74 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 68.30 % Est. max temperature: 3.19 C = 37.74 F Sfc-Lift cond lev (LCL): 906.21 mb = 798.20 m = 2618.72 ft T: -5.47 C 700-500 lapse rate: 6.30 C/km ThetaE index: 1.90 C Layer 945.0- 925.0 mb Conv cond level (CCL): 847.36 mb = 1321.54 m = 4335.71 ft Mean mixing ratio: 2.24 g/kg Conv temperature: 3.14 C = 37.64 F Cap Strength: 7.78 C Lifted Index: 8.06 C Risk: None Lifted Index @300 mb: 26.94 C Lifted Index @700 mb: 2.05 C Showalter Index: 7.77 C Risk: None Total Totals Index: 48.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 22.10 C K Index: 8.70 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 1.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.66 J/kg Max Up Vert Vel: 3.05 m/s Conv Inhibition (B-): 72392.31 J/kg Cap Strength: 7.96 C Lift Cond Lev (LCL): 872.53 mb = 1093.85 m = 3588.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 39 at 4 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 ---------------------------------------------------------- 0 995 58 290 3 2.8 -1.0 | 246 6 5.6 2.5 1 925 638 25 7 -3.0 -6.3 | 3 3 -0.2 -2.9 2 850 1298 10 9 -1.6 -8.9 | 347 6 1.2 -5.4 3 700 2769 320 3 1.9 -2.3 | 256 5 4.7 1.2 4 500 5180 35 7 -4.0 -5.7 | 29 3 -1.2 -2.3 5 400 6700 310 9 6.9 -5.8 | 283 10 9.7 -2.3 6 349 7598 325 15 8.6 -12.3 | 308 14 11.4 -8.8 7 300 8590 350 13 2.3 -12.8 | 332 11 5.0 -9.3 8 250 9810 325 17 9.8 -13.9 | 310 16 12.5 -10.4 9 200 11300 315 21 14.8 -14.8 | 303 21 17.6 -11.4 10 150 13210 310 23 17.6 -14.8 | 299 23 20.4 -11.3 11 100 15880 305 19 15.6 -10.9 | 292 20 18.3 -7.4 12 70 18200 295 13 11.8 -5.5 | 278 15 14.6 -2.0 13 50 20380 240 13 11.3 6.5 | 235 17 14.0 10.0 14 30 23690 190 23 4.0 22.7 | 195 27 6.8 26.1 15 20 26320 215 21 12.0 17.2 | 216 25 14.8 20.7 16 10 30830 165 25 -6.5 24.1 | 172 28 -3.7 27.6 Wind Parameters Mean winds (0-6000m): 8.6 at 5.9 knts Storm direction: 38.6 at 4.5 knts Shear (0-3000m) pos: 1.5 neg: 1.1 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 17.4 deg Storm rel helicity (0-3000m) pos: 10.7 neg: -11.8 tot: -1.1 m^2/s^2 ave: -0.4 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 11.55 Bulk Shear: 0.40 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 5 291 3| 6.9 0.0 6.9| 8.7 0.0 8.7 17.4 0.92| 7.8 7.2 1000 12 6 329 3| 4.4 0.0 4.4| 10.0 -0.7 9.3 9.3 0.72| 5.6 4.1 1500 11 7 336 4| 2.9 0.7 3.6| 10.0 -3.6 6.4 4.2 0.43| 4.7 2.0 2000 7 7 330 4| 2.2 1.1 3.4| 10.0 -7.4 2.5 1.3 0.18| 4.3 0.8 2500 5 7 323 4| 1.8 1.3 3.1| 10.0 -10.6 -0.7 -0.3 0.02| 3.9 0.1 3000 3 6 315 4| 1.5 1.1 2.6| 10.7 -11.8 -1.1 -0.4 0.01| 3.5 0.0 4000 0 6 307 3| 1.5 0.8 2.3| 13.3 -11.8 1.5 0.4 0.11| 3.0 0.3 5000 7 6 315 3| 1.5 0.7 2.1| 15.7 -11.8 3.9 0.8 0.23| 2.8 0.6 6000 9 6 322 3| 1.2 0.9 2.1| 16.0 -17.6 -1.6 -0.3 0.04| 2.9 0.1 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250421.12.gif