UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 2 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 1001 61 -8.1 -10.2 85 2.1 -8.7 180 1 265.0 265.3 264.4 269.7 1.75 1 1000 69 -7.5 -9.6 85 2.1 -8.1 185 1 265.6 265.9 265.1 270.6 1.84 2 997 92 -5.3 -7.2 86 1.9 -5.9 189 2 268.1 268.4 267.4 274.1 2.23 3 964 357 -4.3 -5.5 91 1.2 -4.7 234 12 271.7 272.1 270.4 278.8 2.63 4 925 681 -6.5 -8.0 89 1.5 -7.0 290 25 272.7 273.0 270.5 278.9 2.26 5 850 1335 -11.9 -13.6 87 1.7 -12.3 295 23 273.7 273.9 270.0 278.1 1.57 6 839 1434 -12.9 -14.5 88 1.6 -13.3 296 24 273.6 273.9 269.8 277.8 1.48 7 829 1526 -12.1 -13.9 86 1.8 -12.6 297 24 275.4 275.7 271.1 279.9 1.57 8 824 1572 -11.9 -13.8 86 1.9 -12.4 297 24 276.1 276.4 271.5 280.7 1.60 9 700 2801 -19.3 -24.3 65 5.0 -20.1 310 31 281.1 281.2 273.1 283.4 0.76 10 655 3291 -22.1 -30.1 48 8.0 -23.2 313 32 283.3 283.4 273.9 284.8 0.48 11 634 3530 -24.1 -32.1 48 8.0 -25.1 314 32 283.7 283.8 274.0 285.0 0.41 12 517 4979 -36.3 -43.3 48 7.0 -36.7 324 35 286.0 286.1 274.9 286.6 0.16 13 500 5210 -37.9 -44.9 48 7.0 -38.2 325 35 286.8 286.9 275.2 287.3 0.14 14 456 5841 -40.7 -46.7 52 6.0 -41.0 327 38 291.0 291.0 277.4 291.4 0.13 15 400 6720 -47.7 -52.7 56 5.0 -47.9 330 42 293.0 293.0 278.3 293.2 0.07 16 382 7022 -50.3 -55.2 56 4.9 -50.4 328 43 293.5 293.5 278.4 293.7 0.06 17 318 8200 -56.9 -61.8 54 4.9 -57.0 320 48 300.1 300.1 281.4 300.2 0.03 18 303 8507 -55.1 -59.8 56 4.7 -55.2 324 50 306.8 306.8 284.2 307.0 0.04 19 300 8570 -55.7 -60.3 56 4.6 -55.8 325 50 306.8 306.8 284.2 307.0 0.04 20 250 9730 -56.5 -61.3 55 4.8 -56.6 320 44 322.1 322.1 289.4 322.2 0.04 21 200 11140 -56.3 -61.3 53 5.0 -56.4 320 48 343.6 343.6 295.3 343.8 0.05 22 194 11334 -55.7 -60.7 54 5.0 -55.8 319 47 347.6 347.6 296.1 347.8 0.06 23 150 12960 -58.5 -64.5 46 6.0 -58.6 315 42 369.3 369.3 300.5 369.5 0.04 24 100 15480 -62.7 -68.7 44 6.0 -62.8 310 46 406.6 406.6 306.1 406.8 0.04 25 70 17650 -67.1 -74.1 36 7.0 -67.2 315 48 440.8 440.8 310.0 441.0 0.02 26 50 19640 -73.3 -79.3 39 6.0 -73.3 310 46 470.8 470.8 312.7 470.8 0.01 27 33 22029 -79.5 -85.5 36 6.0 -79.6 310 48 513.7 513.7 315.9 513.8 0.01 28 30 22570 -78.7 -84.7 37 6.0 -78.7 310 48 530.1 530.1 316.9 530.2 0.01 29 27 23171 -77.5 -84.5 32 7.0 -77.6 306 45 549.7 549.7 318.1 549.8 0.01 30 20 24880 -79.7 -86.7 30 7.0 -79.8 295 35 592.2 592.2 320.3 592.3 0.01 TRP 318 8200 -56.9 -61.8 54 4.9 -57.0 320 48 300.1 300.1 281.4 300.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5141.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 66.53 % Est. max temperature: 0.59 C = 33.07 F Sfc-Lift cond lev (LCL): 967.91 mb = 325.23 m = 1067.03 ft T: -4.42 C 700-500 lapse rate: 7.72 C/km ThetaE index: 1.06 C Layer 850.0- 829.0 mb Conv cond level (CCL): 1000.00 mb = 69.00 m = 226.38 ft Mean mixing ratio: 2.34 g/kg Conv temperature: -6.45 C = 20.40 F Cap Strength: 7.22 C Lifted Index: 7.72 C Risk: None Lifted Index @300 mb: 20.57 C Lifted Index @700 mb: 5.00 C Showalter Index: 7.49 C Risk: None Total Totals Index: 50.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 24.30 C K Index: 7.40 Risk: None Sweat Index: 107.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.19 J/kg Max Up Vert Vel: 6.35 m/s Conv Inhibition (B-): 41707.05 J/kg Cap Strength: 7.49 C Lift Cond Lev (LCL): 928.02 mb = 655.47 m = 2150.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 22 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 1001 61 180 1 0.0 1.0 | 164 23 -6.4 22.0 1 1000 69 185 1 0.1 1.0 | 164 23 -6.3 22.0 2 925 681 290 25 23.5 -8.6 | 234 21 17.1 12.4 3 850 1335 295 23 20.8 -9.7 | 232 18 14.4 11.3 4 700 2801 310 31 23.7 -19.9 | 266 17 17.3 1.1 5 500 5210 325 35 20.1 -28.7 | 299 16 13.7 -7.7 6 400 6720 330 42 21.0 -36.4 | 317 21 14.6 -15.4 7 318 8200 320 48 30.9 -36.8 | 303 29 24.4 -15.8 8 300 8570 325 50 28.7 -41.0 | 312 30 22.3 -20.0 9 250 9730 320 44 28.3 -33.7 | 300 25 21.9 -12.7 10 200 11140 320 48 30.9 -36.8 | 303 29 24.4 -15.8 11 150 12960 315 42 29.7 -29.7 | 291 25 23.3 -8.7 12 100 15480 310 46 35.2 -29.6 | 287 30 28.8 -8.6 13 70 17650 315 48 33.9 -33.9 | 295 30 27.5 -13.0 14 50 19640 310 46 35.2 -29.6 | 287 30 28.8 -8.6 15 30 22570 310 48 36.8 -30.9 | 288 32 30.4 -9.9 16 20 24880 295 35 31.7 -14.8 | 256 26 25.3 6.2 Wind Parameters Mean winds (0-6000m): 313.0 at 29.3 knts Storm direction: 343.0 at 21.9 knts Shear (0-3000m) pos: 5.5 neg: 0.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 105.9 deg Storm rel helicity (0-3000m) pos: 268.9 neg: -2.6 tot: 266.3 m^2/s^2 ave: 88.8 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 7.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.28 Bulk Shear: 71.86 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 ------------------------------------------------------------------------------- 500 267 10 191 22| 20.9 0.0 20.9|165.1 0.0 165.1 330.2 0.91| 26.3 24.0 1000 290 17 213 18| 12.5 0.0 12.5|215.4 -1.4 214.0 214.0 0.86| 18.7 16.1 1500 292 19 220 18| 8.5 0.0 8.5|222.4 -2.6 219.8 146.5 0.83| 13.4 11.2 2000 294 21 226 18| 7.1 0.0 7.1|239.0 -2.6 236.4 118.2 0.85| 11.0 9.3 2500 297 22 232 17| 6.2 0.0 6.2|256.1 -2.6 253.6 101.4 0.86| 9.5 8.2 3000 300 24 238 17| 5.5 0.0 5.5|268.9 -2.6 266.3 88.8 0.87| 8.4 7.3 4000 305 26 247 16| 4.4 0.0 4.4|285.5 -2.6 282.9 70.7 0.87| 6.8 6.0 5000 309 28 257 15| 3.7 0.0 3.7|302.4 -2.6 299.8 60.0 0.88| 5.9 5.2 6000 313 29 266 15| 3.4 0.0 3.4|319.2 -2.6 316.6 52.8 0.87| 5.3 4.6 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251202.12.gif