UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 27 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 1006 59 -1.3 -6.2 69 4.9 -3.0 360 1 271.4 271.8 269.9 277.9 2.39 1 1000 107 -1.7 -7.7 64 6.0 -3.7 15 3 271.5 271.8 269.5 277.3 2.14 2 925 725 -3.5 -9.5 63 6.0 -5.4 110 7 275.7 276.1 271.9 281.4 2.01 3 854 1353 -6.3 -12.3 62 6.0 -8.1 319 3 279.2 279.5 273.5 284.2 1.74 4 850 1390 -6.5 -12.5 62 6.0 -8.2 310 3 279.3 279.6 273.6 284.3 1.72 5 837 1510 -6.5 -12.5 62 6.0 -8.2 309 4 280.6 280.9 274.3 285.6 1.75 6 791 1952 -5.9 -21.9 27 16.0 -9.7 304 8 285.8 285.9 275.8 288.3 0.84 7 743 2441 -7.7 -31.7 13 24.0 -12.1 300 13 289.0 289.1 276.7 290.2 0.36 8 700 2903 -9.5 -29.5 18 20.0 -13.3 295 17 292.0 292.0 278.4 293.5 0.47 9 613 3920 -14.1 -26.1 35 12.0 -16.6 287 28 298.0 298.1 281.5 300.4 0.74 10 580 4337 -18.3 -27.3 45 9.0 -20.0 284 33 297.8 297.9 281.4 300.1 0.70 11 541 4857 -18.5 -23.5 65 5.0 -19.6 280 39 303.6 303.8 284.2 307.0 1.06 12 511 5280 -21.9 -26.5 66 4.6 -22.8 276 44 304.4 304.6 284.3 307.3 0.86 13 500 5440 -23.1 -27.7 66 4.6 -23.9 275 46 304.9 305.0 284.4 307.5 0.78 14 496 5498 -23.5 -28.1 66 4.6 -24.3 275 47 305.1 305.2 284.4 307.6 0.76 15 450 6203 -26.3 -30.7 66 4.4 -27.0 275 58 310.2 310.3 286.2 312.4 0.66 16 400 7040 -32.5 -37.5 61 5.0 -33.0 275 71 312.7 312.8 286.8 314.1 0.38 17 378 7436 -35.1 -40.0 61 4.9 -35.5 274 72 314.4 314.5 287.3 315.5 0.31 18 300 9000 -49.1 -54.1 56 5.0 -49.3 270 77 316.1 316.2 287.6 316.5 0.08 19 276 9542 -53.7 -59.7 48 6.0 -53.8 272 79 317.1 317.1 287.9 317.3 0.04 20 262 9875 -57.5 -63.5 46 6.0 -57.6 274 80 316.3 316.3 287.6 316.4 0.03 21 250 10170 -59.3 -65.3 46 6.0 -59.4 275 81 317.9 317.9 288.1 318.0 0.02 22 245 10296 -60.7 -66.7 45 6.0 -60.7 275 81 317.7 317.7 288.0 317.7 0.02 23 242 10373 -60.0 -66.0 45 6.0 -60.0 275 83 319.9 319.9 288.7 319.9 0.02 24 232 10638 -57.5 -63.5 46 6.0 -57.6 276 76 327.5 327.5 291.0 327.6 0.03 25 212 11213 -52.5 -58.5 48 6.0 -52.7 278 60 343.9 343.9 295.3 344.1 0.07 26 200 11590 -52.3 -58.3 48 6.0 -52.5 280 50 349.9 350.0 296.7 350.3 0.07 27 157 13162 -49.7 -58.7 34 9.0 -50.1 301 38 379.4 379.5 302.2 379.9 0.09 28 150 13460 -50.1 -60.1 30 10.0 -50.5 305 36 383.7 383.8 302.9 384.1 0.08 29 100 16090 -51.9 -65.9 17 14.0 -52.5 290 27 427.4 427.5 308.6 427.7 0.05 30 96 16355 -52.3 -66.3 17 14.0 -52.9 291 26 431.7 431.7 309.0 432.0 0.05 31 78 17700 -53.1 -69.1 13 16.0 -53.8 297 20 456.4 456.5 311.5 456.7 0.04 32 70 18400 -52.5 -68.5 13 16.0 -53.4 300 17 472.1 472.1 312.8 472.4 0.05 33 50 20580 -50.3 -68.3 10 18.0 -51.8 290 7 524.9 525.0 316.6 525.4 0.08 34 30 23920 -48.5 -68.5 8 20.0 -51.2 180 1 612.4 612.5 321.2 613.4 0.13 35 29 24143 -49.3 -69.3 8 20.0 -51.9 616.2 616.2 321.3 617.1 0.12 TRP 245 10296 -60.7 -66.7 45 6.0 -60.7 275 81 317.7 317.7 288.0 317.7 0.02 WND 242 10373 -60.0 -66.0 45 6.0 -60.0 275 83 319.9 319.9 288.7 319.9 0.02 Sounding variables and indices 1000-500 mb thick: 5333.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 44.41 % Est. max temperature: 6.40 C = 43.52 F Sfc-Lift cond lev (LCL): 931.60 mb = 668.63 m = 2193.63 ft T: -3.34 C 700-500 lapse rate: 5.36 C/km ThetaE index: 0.59 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 611.13 mb = 3943.14 m = 12936.65 ft Mean mixing ratio: 2.06 g/kg Conv temperature: 25.32 C = 77.58 F Cap Strength: 20.85 C Lifted Index: 21.06 C Risk: None Lifted Index @300 mb: 25.82 C Lifted Index @700 mb: 13.39 C Showalter Index: 17.49 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 10.60 C K Index: -15.90 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 4.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.53 J/kg Max Up Vert Vel: 5.20 m/s Conv Inhibition (B-): 45516.82 J/kg Cap Strength: 20.90 C Lift Cond Lev (LCL): 868.71 mb = 1218.97 m = 3999.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 17 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 1006 59 360 1 -0.0 -1.0 | 129 16 -12.6 10.1 1 1000 107 15 3 -0.8 -2.9 | 121 16 -13.4 8.2 2 925 725 110 7 -6.6 2.4 | 125 23 -19.2 13.5 3 850 1390 310 3 2.3 -1.9 | 132 14 -10.3 9.2 4 700 2903 295 17 15.4 -7.2 | 216 5 2.8 3.9 5 500 5440 275 46 45.8 -4.0 | 258 34 33.2 7.1 6 400 7040 275 71 70.7 -6.2 | 265 58 58.1 4.9 7 300 9000 270 77 77.0 -0.0 | 260 65 64.4 11.1 8 250 10170 275 81 80.7 -7.1 | 267 68 68.1 4.0 9 245 10296 275 81 80.7 -7.1 | 267 68 68.1 4.0 10 242 10373 275 83 82.7 -7.2 | 267 70 70.1 3.9 11 200 11590 280 50 49.2 -8.7 | 266 37 36.6 2.4 12 150 13460 305 36 29.5 -20.6 | 300 19 16.9 -9.6 13 100 16090 290 27 25.4 -9.2 | 262 13 12.8 1.9 14 70 18400 300 17 14.7 -8.5 | 219 3 2.1 2.6 15 50 20580 290 7 6.6 -2.4 | 145 11 -6.0 8.7 16 30 23920 180 1 0.0 1.0 | 134 17 -12.6 12.1 Wind Parameters Mean winds (0-6000m): 281.3 at 22.4 knts Storm direction: 311.3 at 16.8 knts Shear (0-3000m) pos: 1.0 neg: 4.1 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 103.8 deg Storm rel helicity (0-3000m) pos: 43.4 neg: -32.3 tot: 11.2 m^2/s^2 ave: 3.7 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 87.58 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 60 4 119 19| 6.1 0.0 6.1| 4.8 -14.2 -9.4 -18.8 -0.30| 8.3 -2.5 1000 81 5 120 21| 3.0 2.6 5.7| 12.2 -32.3 -20.1 -20.1 -0.25| 9.1 -2.2 1500 82 5 121 20| 2.0 3.3 5.4| 29.0 -32.3 -3.2 -2.2 0.01| 8.5 0.0 2000 12 5 113 15| 1.5 3.7 5.2| 32.5 -32.3 0.2 0.1 0.05| 7.6 0.4 2500 317 7 128 10| 1.2 3.9 5.1| 37.5 -32.3 5.3 2.1 0.14| 7.0 1.0 3000 304 8 138 9| 1.0 4.1 5.2| 43.4 -32.3 11.2 3.7 0.24| 6.7 1.6 4000 294 12 165 6| 0.8 4.6 5.4| 53.7 -32.3 21.4 5.4 0.27| 6.6 1.8 5000 286 17 211 7| 0.6 4.9 5.5| 54.6 -36.6 18.1 3.6 0.21| 6.6 1.4 6000 281 22 234 11| 0.5 5.3 5.8| 79.3 -43.0 36.3 6.0 0.19| 6.7 1.3 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250427.00.gif