UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 7 DEC 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 1019 60 -38.1 -41.7 69 3.6 -38.2 290 1 233.8 233.8 233.7 234.0 0.10 1 1014 94 -35.1 -39.1 67 4.0 -35.3 286 2 237.1 237.1 237.0 237.4 0.13 2 1006 149 -35.1 -39.1 67 4.0 -35.3 280 2 237.6 237.7 237.5 238.0 0.13 3 1000 191 -32.7 -36.8 67 4.1 -32.9 275 3 240.4 240.5 240.2 240.9 0.16 4 998 205 -31.7 -35.7 68 4.0 -31.9 276 3 241.6 241.6 241.4 242.1 0.18 5 976 363 -31.3 -34.9 70 3.6 -31.5 292 5 243.5 243.6 243.2 244.1 0.20 6 958 496 -28.7 -32.3 71 3.6 -29.0 305 6 247.5 247.5 247.0 248.2 0.27 7 925 747 -29.3 -32.7 72 3.4 -29.5 330 9 249.3 249.4 248.7 250.1 0.26 8 877 1127 -29.3 -32.8 72 3.5 -29.6 333 10 253.2 253.2 252.1 254.0 0.28 9 850 1351 -28.1 -31.6 72 3.5 -28.4 335 11 256.7 256.8 255.1 257.6 0.32 10 821 1601 -26.5 -29.7 74 3.2 -26.8 338 12 261.0 261.0 258.8 262.1 0.40 11 779 1979 -27.5 -30.7 74 3.2 -27.8 342 13 263.8 263.9 260.9 264.9 0.38 12 700 2741 -31.9 -35.1 73 3.2 -32.1 350 15 267.2 267.2 263.2 268.0 0.28 13 519 4800 -44.3 -48.0 66 3.7 -44.4 3 20 276.1 276.1 268.9 276.4 0.10 14 500 5050 -44.9 -48.6 66 3.7 -45.0 5 21 278.3 278.3 270.3 278.6 0.09 15 468 5491 -46.3 -49.8 67 3.5 -46.4 358 22 281.9 281.9 272.4 282.2 0.09 16 401 6504 -53.1 -57.2 61 4.1 -53.2 340 25 285.8 285.8 274.5 285.9 0.04 17 400 6520 -53.1 -57.2 61 4.1 -53.2 340 25 286.0 286.0 274.6 286.1 0.04 18 349 7386 -56.7 -60.7 60 4.0 -56.8 335 21 292.5 292.5 277.9 292.6 0.03 19 324 7855 -56.7 -60.7 60 4.0 -56.8 330 21 298.8 298.8 280.8 298.9 0.03 20 300 8340 -56.7 -60.8 60 4.1 -56.8 325 21 305.4 305.4 283.6 305.6 0.04 21 277 8847 -56.9 -61.1 59 4.2 -57.0 321 24 312.2 312.2 286.1 312.3 0.04 22 250 9500 -55.3 -59.6 59 4.3 -55.4 315 27 323.9 323.9 290.0 324.0 0.05 23 206 10732 -54.9 -59.8 54 4.9 -55.0 311 27 342.9 342.9 295.1 343.2 0.06 24 200 10920 -55.3 -60.2 54 4.9 -55.4 310 27 345.2 345.2 295.6 345.4 0.06 25 150 12750 -57.9 -63.9 46 6.0 -58.0 300 33 370.3 370.3 300.7 370.5 0.05 26 100 15290 -60.5 -68.5 34 8.0 -60.7 290 36 410.8 410.8 306.6 411.0 0.04 27 75 17060 -65.7 -73.7 32 8.0 -65.8 290 41 435.2 435.2 309.4 435.3 0.02 28 70 17480 -65.3 -73.3 32 8.0 -65.4 290 42 444.7 444.7 310.4 444.8 0.03 29 50 19510 -69.1 -78.1 26 9.0 -69.2 280 44 480.7 480.7 313.5 480.8 0.02 30 31 22338 -73.3 -82.3 24 9.0 -73.4 539.7 539.7 317.5 539.8 0.01 TRP 349 7386 -56.7 -60.7 60 4.0 -56.8 335 21 292.5 292.5 277.9 292.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 4859.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 70.97 % Est. max temperature: -17.57 C = 0.37 F Sfc-Lift cond lev (LCL): 957.14 mb = 502.40 m = 1648.29 ft T: -28.72 C 700-500 lapse rate: 5.63 C/km ThetaE index: 0.00 C Layer 1019.0-7490422784.0 mb Conv cond level (CCL): 1014.00 mb = 93.97 m = 308.28 ft Mean mixing ratio: 0.22 g/kg Conv temperature: -33.43 C = -28.18 F Cap Strength: 25.64 C Lifted Index: 27.21 C Risk: None Lifted Index @300 mb: 42.71 C Lifted Index @700 mb: 19.99 C Showalter Index: 17.01 C Risk: None Total Totals Index: 30.10 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 13.30 C K Index: -18.00 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 4.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.41 J/kg Max Up Vert Vel: 10.34 m/s Conv Inhibition (B-): 51692.52 J/kg Cap Strength: 26.87 C Lift Cond Lev (LCL): 914.09 mb = 831.70 m = 2728.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 22 at 12 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 1019 60 290 1 0.9 -0.3 | 207 12 5.3 10.4 1 1000 191 275 3 3.0 -0.3 | 215 13 7.3 10.4 2 925 747 330 9 4.5 -7.8 | 252 9 8.8 2.9 3 850 1351 335 11 4.6 -10.0 | 265 9 9.0 0.7 4 700 2741 350 15 2.6 -14.8 | 300 8 6.9 -4.1 5 500 5050 5 21 -1.8 -20.9 | 346 11 2.5 -10.2 6 400 6520 340 25 8.6 -23.5 | 315 18 12.9 -12.8 7 349 7386 335 21 8.9 -19.0 | 302 16 13.2 -8.3 8 300 8340 325 21 12.0 -17.2 | 292 18 16.4 -6.5 9 250 9500 315 27 19.1 -19.1 | 290 25 23.4 -8.4 10 200 10920 310 27 20.7 -17.4 | 285 26 25.0 -6.6 11 150 12750 300 33 28.6 -16.5 | 280 33 32.9 -5.8 12 100 15290 290 36 33.8 -12.3 | 272 38 38.2 -1.6 13 70 17480 290 42 39.5 -14.4 | 275 44 43.8 -3.7 14 50 19510 280 44 43.3 -7.6 | 266 48 47.7 3.1 Wind Parameters Mean winds (0-6000m): 352.0 at 15.4 knts Storm direction: 22.0 at 11.5 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 100.4 deg Storm rel helicity (0-3000m) pos: 46.9 neg: 0.0 tot: 46.9 m^2/s^2 ave: 15.6 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.25 Bulk Shear: 23.70 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 ------------------------------------------------------------------------------- 500 298 4 223 12| 6.2 0.0 6.2| 21.1 0.0 21.1 42.1 0.92| 7.3 6.7 1000 322 7 236 10| 4.8 0.0 4.8| 30.8 0.0 30.8 30.8 0.89| 5.9 5.2 1500 328 8 245 9| 3.8 0.0 3.8| 35.0 0.0 35.0 23.3 0.90| 4.5 4.1 2000 332 9 252 9| 3.2 0.0 3.2| 39.1 0.0 39.1 19.5 0.91| 3.9 3.5 2500 336 10 259 8| 2.9 0.0 2.9| 43.3 0.0 43.3 17.3 0.92| 3.5 3.2 3000 340 11 266 8| 2.6 0.0 2.6| 46.9 0.0 46.9 15.6 0.93| 3.2 3.0 4000 345 12 280 8| 2.3 0.0 2.3| 54.0 0.0 54.0 13.5 0.93| 2.8 2.6 5000 351 14 295 7| 2.1 0.0 2.1| 61.8 0.0 61.8 12.4 0.93| 2.6 2.4 6000 352 15 305 8| 1.8 0.6 2.4| 61.8 -17.6 44.2 7.4 0.57| 2.8 1.6 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251207.12.gif