UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011312.upa.cvt Date: 1200Z 13 JAN 26 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 13 JAN 26 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 1018 59 -26.9 -30.5 71 3.6 -27.2 340 3 245.0 245.0 244.8 245.8 0.30 1 1000 188 -27.1 -31.8 64 4.7 -27.5 20 3 246.1 246.1 245.7 246.8 0.27 2 963 459 -28.7 -33.5 63 4.8 -29.0 35 6 247.1 247.1 246.6 247.7 0.23 3 947 580 -23.1 -28.1 64 5.0 -23.6 41 7 254.0 254.0 253.0 255.1 0.40 4 925 752 -23.1 -27.4 68 4.3 -23.5 50 9 255.7 255.8 254.5 256.9 0.44 5 860 1288 -21.3 -25.1 71 3.8 -21.8 37 7 263.0 263.0 260.7 264.6 0.58 6 850 1374 -22.1 -26.1 70 4.0 -22.6 35 7 263.0 263.1 260.6 264.5 0.53 7 700 2773 -32.5 -36.6 67 4.1 -32.8 345 11 266.5 266.5 262.6 267.2 0.24 8 548 4458 -44.1 -47.8 67 3.7 -44.2 320 11 272.0 272.1 266.3 272.3 0.09 9 512 4912 -45.9 -49.3 68 3.4 -46.0 312 11 275.2 275.2 268.3 275.5 0.08 10 500 5070 -46.3 -49.7 68 3.4 -46.4 310 11 276.6 276.6 269.2 276.9 0.08 11 495 5137 -46.5 -49.9 68 3.4 -46.6 311 11 277.1 277.2 269.5 277.4 0.08 12 400 6540 -49.3 -55.3 49 6.0 -49.4 325 17 290.9 290.9 277.2 291.1 0.05 13 393 6656 -49.1 -55.1 50 6.0 -49.3 323 17 292.7 292.7 278.0 292.8 0.06 14 318 8022 -56.7 -64.7 36 8.0 -56.8 302 13 300.4 300.4 281.5 300.4 0.02 15 313 8122 -57.3 -65.3 36 8.0 -57.4 300 13 300.9 300.9 281.7 301.0 0.02 16 307 8244 -57.5 -65.5 35 8.0 -57.6 302 13 302.3 302.3 282.3 302.4 0.02 17 300 8390 -57.1 -65.1 36 8.0 -57.2 305 13 304.9 304.9 283.4 304.9 0.02 18 250 9540 -56.7 -64.7 36 8.0 -56.8 300 23 321.8 321.8 289.3 321.9 0.03 19 216 10470 -55.7 -64.7 32 9.0 -55.9 300 26 337.1 337.1 293.6 337.2 0.03 20 200 10960 -55.7 -65.7 28 10.0 -55.9 300 27 344.6 344.6 295.4 344.7 0.03 21 150 12780 -57.7 -69.7 20 12.0 -57.9 290 29 370.7 370.7 300.7 370.8 0.02 22 122 14073 -62.3 -75.3 16 13.0 -62.4 287 37 384.8 384.8 303.0 384.9 0.01 23 100 15300 -63.3 -77.3 13 14.0 -63.5 285 44 405.4 405.4 305.9 405.5 0.01 24 70 17480 -66.3 -80.3 12 14.0 -66.5 270 54 442.5 442.5 310.1 442.6 0.01 25 50 19510 -67.7 -82.7 10 15.0 -67.9 260 60 484.0 484.0 313.8 484.0 0.01 26 40 20847 -69.4 -83.9 10 14.5 -69.6 260 69 511.6 511.6 315.8 511.6 0.01 27 32 22173 -71.1 -85.1 11 14.0 -71.3 540.7 540.7 317.6 540.8 0.01 TRP 313 8122 -57.3 -65.3 36 8.0 -57.4 300 13 300.9 300.9 281.7 301.0 0.02 WND 40 20847 -69.4 -83.9 10 14.5 -69.6 260 69 511.6 511.6 315.8 511.6 0.01 Sounding variables and indices 1000-500 mb thick: 4882.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 67.39 % Est. max temperature: -9.79 C = 14.37 F Sfc-Lift cond lev (LCL): 958.23 mb = 494.61 m = 1622.72 ft T: -27.04 C 700-500 lapse rate: 6.01 C/km ThetaE index: 0.07 C Layer 850.0- 700.0 mb Conv cond level (CCL): 679.07 mb = 2981.92 m = 9783.10 ft Mean mixing ratio: 0.32 g/kg Conv temperature: -4.57 C = 23.77 F Cap Strength: 20.44 C Lifted Index: 21.41 C Risk: None Lifted Index @300 mb: 38.53 C Lifted Index @700 mb: 14.65 C Showalter Index: 9.99 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 20.20 C K Index: -6.00 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 2.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.66 J/kg Max Up Vert Vel: 10.36 m/s Conv Inhibition (B-): 46712.81 J/kg Cap Strength: 20.66 C Lift Cond Lev (LCL): 899.06 mb = 961.16 m = 3153.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 11 at 7 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 1018 59 340 3 1.0 -2.8 | 209 5 2.5 4.5 1 1000 188 20 3 -1.0 -2.8 | 185 5 0.4 4.5 2 925 752 50 9 -6.9 -5.8 | 106 6 -5.5 1.6 3 850 1374 35 7 -4.0 -5.7 | 122 3 -2.6 1.6 4 700 2773 345 11 2.8 -10.6 | 307 5 4.3 -3.3 5 500 5070 310 11 8.4 -7.1 | 268 10 9.9 0.3 6 400 6540 325 17 9.8 -13.9 | 300 13 11.2 -6.6 7 313 8122 300 13 11.3 -6.5 | 266 13 12.7 0.8 8 300 8390 305 13 10.6 -7.5 | 271 12 12.1 -0.1 9 250 9540 300 23 19.9 -11.5 | 281 22 21.4 -4.2 10 200 10960 300 27 23.4 -13.5 | 284 26 24.8 -6.2 11 150 12780 290 29 27.3 -9.9 | 275 29 28.7 -2.6 12 100 15300 285 44 42.5 -11.4 | 275 44 43.9 -4.1 13 70 17480 270 54 54.0 -0.0 | 262 56 55.4 7.3 14 50 19510 260 60 59.1 10.4 | 254 63 60.5 17.8 Wind Parameters Mean winds (0-6000m): 341.1 at 10.0 knts Storm direction: 11.1 at 7.5 knts Shear (0-3000m) pos: 1.2 neg: 1.7 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 92.2 deg Storm rel helicity (0-3000m) pos: 1.1 neg: -12.0 tot: -10.9 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 3.6 stream: -2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.89 Bulk Shear: 7.79 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 28 4 169 3| 6.2 0.0 6.2| 0.0 -5.6 -5.6 -11.3 -0.90| 6.4 -5.8 1000 42 6 133 4| 3.7 0.0 3.7| 0.4 -7.2 -6.8 -6.8 -0.65| 5.2 -3.4 1500 40 7 127 4| 2.5 0.7 3.1| 1.1 -7.6 -6.5 -4.3 -0.52| 4.3 -2.2 2000 34 7 120 3| 1.8 1.2 3.1| 1.1 -8.6 -7.5 -3.8 -0.59| 4.0 -2.3 2500 24 8 103 2| 1.5 1.7 3.1| 1.1 -10.0 -8.9 -3.6 -0.60| 3.9 -2.3 3000 15 8 52 1| 1.2 1.7 3.0| 1.1 -12.0 -10.9 -3.6 -0.60| 3.6 -2.2 4000 1 9 321 2| 0.9 1.6 2.5| 1.1 -15.9 -14.9 -3.7 -0.61| 3.1 -1.9 5000 350 9 301 4| 0.7 1.4 2.2| 1.1 -21.0 -19.9 -4.0 -0.63| 2.8 -1.7 6000 341 10 294 5| 0.8 1.2 2.0| 13.0 -21.0 -7.9 -1.3 -0.40| 2.7 -1.1 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20260113.12.gif