UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 4 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 ------------------------------------------------------------------------------- 0 1000 24 225 5 SFC 996 55 -5.5 -8.0 83 2.5 -6.2 225 5 268.0 268.3 267.1 273.6 2.10 2 953 400 -8.3 -11.2 80 2.9 -9.1 243 12 268.5 268.8 266.8 273.2 1.70 3 925 631 -8.9 -11.8 79 2.9 -9.7 255 17 270.2 270.5 267.9 274.8 1.67 4 850 1282 -11.3 -14.0 80 2.7 -12.0 250 13 274.3 274.6 270.3 278.6 1.52 5 761 2122 -15.3 -18.3 78 3.0 -16.0 264 15 278.8 279.0 272.5 282.3 1.19 6 700 2747 -19.9 -23.7 72 3.8 -20.5 275 17 280.4 280.6 272.8 282.9 0.81 7 684 2918 -21.5 -25.1 73 3.6 -22.1 274 19 280.5 280.6 272.7 282.7 0.73 8 622 3612 -24.7 -28.5 71 3.8 -25.2 270 29 284.6 284.7 274.8 286.4 0.59 9 532 4727 -33.9 -37.8 68 3.9 -34.2 263 46 286.6 286.6 275.3 287.5 0.28 10 511 5008 -34.5 -38.3 68 3.8 -34.8 261 50 289.2 289.2 276.7 290.1 0.27 11 500 5160 -35.5 -39.1 69 3.6 -35.8 260 52 289.8 289.8 277.0 290.6 0.26 12 400 6680 -44.9 -49.0 63 4.1 -45.0 265 73 296.6 296.7 280.0 297.0 0.11 13 376 7090 -47.7 -51.9 62 4.2 -47.9 262 76 298.2 298.2 280.7 298.5 0.08 14 359 7393 -50.1 -54.3 62 4.1 -50.3 260 79 298.9 298.9 281.0 299.2 0.07 15 322 8093 -55.9 -59.9 61 4.0 -55.9 260 78 300.4 300.4 281.5 300.5 0.04 16 300 8540 -58.1 -62.4 58 4.3 -58.2 260 77 303.4 303.5 282.8 303.6 0.03 17 282 8931 -59.7 -63.9 58 4.2 -59.7 265 77 306.6 306.6 284.1 306.7 0.03 18 270 9205 -58.9 -63.2 57 4.3 -59.0 265 73 311.6 311.6 285.9 311.7 0.03 19 251 9665 -60.1 -64.3 58 4.2 -60.2 265 66 316.4 316.4 287.6 316.5 0.03 20 250 9690 -59.7 -63.9 58 4.2 -59.7 265 66 317.3 317.3 287.9 317.4 0.03 21 229 10239 -58.7 -63.1 57 4.4 -58.7 267 59 326.9 326.9 290.9 327.0 0.03 22 200 11090 -57.9 -62.5 56 4.6 -58.0 270 48 341.1 341.1 294.6 341.3 0.04 23 157 12614 -58.3 -63.3 53 5.0 -58.4 283 43 364.8 364.9 299.7 365.1 0.05 24 150 12900 -59.1 -64.1 52 5.0 -59.2 285 42 368.3 368.3 300.3 368.5 0.05 25 100 15410 -63.3 -69.3 44 6.0 -63.4 280 46 405.4 405.4 305.9 405.6 0.03 26 83 16549 -64.7 -71.7 38 7.0 -64.8 283 46 424.8 424.8 308.3 424.9 0.03 27 70 17580 -67.9 -74.9 36 7.0 -68.0 285 46 439.1 439.1 309.8 439.2 0.02 28 58 18699 -72.1 -79.1 34 7.0 -72.2 285 49 453.9 453.9 311.2 454.0 0.01 29 50 19570 -73.3 -80.3 34 7.0 -73.4 285 52 470.8 470.8 312.7 470.8 0.01 30 36 21488 -74.3 -82.3 28 8.0 -74.4 514.5 514.5 315.9 514.6 0.01 TRP 282 8931 -59.7 -63.9 58 4.2 -59.7 265 77 306.6 306.6 284.1 306.7 0.03 WND 359 7393 -50.1 -54.3 62 4.1 -50.3 260 79 298.9 298.9 281.0 299.2 0.07 Sounding variables and indices 1000-500 mb thick: 5136.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 74.34 % Est. max temperature: 1.04 C = 33.86 F Sfc-Lift cond lev (LCL): 957.23 mb = 365.25 m = 1198.31 ft T: -8.02 C 700-500 lapse rate: 6.46 C/km ThetaE index: 0.45 C Layer 953.0- 925.0 mb Conv cond level (CCL): 818.02 mb = 1573.47 m = 5162.23 ft Mean mixing ratio: 1.76 g/kg Conv temperature: 2.40 C = 36.32 F Cap Strength: 12.62 C Lifted Index: 13.00 C Risk: None Lifted Index @300 mb: 20.72 C Lifted Index @700 mb: 7.21 C Showalter Index: 9.48 C Risk: None Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 21.50 C K Index: 6.40 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 2.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.55 J/kg Max Up Vert Vel: 5.39 m/s Conv Inhibition (B-): 35203.02 J/kg Cap Strength: 12.86 C Lift Cond Lev (LCL): 903.63 mb = 810.95 m = 2660.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 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 ---------------------------------------------------------- 0 996 55 225 5 3.5 3.5 | 125 21 -16.9 11.8 1 925 631 255 17 16.4 4.4 | 163 13 -4.0 12.7 2 850 1282 250 13 12.2 4.4 | 147 15 -8.2 12.7 3 700 2747 275 17 16.9 -1.5 | 153 8 -3.5 6.8 4 500 5160 260 52 51.2 9.0 | 241 35 30.8 17.3 5 400 6680 265 73 72.7 6.4 | 254 54 52.3 14.6 6 359 7393 260 79 77.8 13.7 | 249 61 57.4 22.0 7 300 8540 260 77 75.8 13.4 | 249 59 55.4 21.6 8 282 8931 265 77 76.7 6.7 | 255 58 56.3 15.0 9 250 9690 265 66 65.7 5.8 | 253 47 45.4 14.0 10 200 11090 270 48 48.0 -0.0 | 253 29 27.6 8.3 11 150 12900 285 42 40.6 -10.9 | 277 20 20.2 -2.6 12 100 15410 280 46 45.3 -8.0 | 269 25 24.9 0.3 13 70 17580 285 46 44.4 -11.9 | 279 24 24.0 -3.7 14 50 19570 285 52 50.2 -13.5 | 280 30 29.8 -5.2 Wind Parameters Mean winds (0-6000m): 262.0 at 29.3 knts Storm direction: 292.0 at 22.0 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 63.4 deg Storm rel helicity (0-3000m) pos: 62.7 neg: -13.1 tot: 49.6 m^2/s^2 ave: 16.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 51.23 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 ------------------------------------------------------------------------------- 500 247 10 138 16| 11.5 0.0 11.5| 45.5 0.0 45.5 91.0 0.84| 11.8 10.0 1000 251 13 147 15| 5.2 0.0 5.2| 50.5 -8.6 41.9 41.9 0.55| 8.2 4.5 1500 251 13 148 15| 3.3 0.0 3.3| 51.7 -13.1 38.6 25.7 0.43| 6.3 2.7 2000 253 13 148 14| 3.0 0.0 3.0| 53.8 -13.1 40.7 20.3 0.40| 5.4 2.2 2500 257 14 149 13| 2.8 0.0 2.8| 54.5 -13.1 41.3 16.5 0.37| 4.9 1.8 3000 261 15 151 12| 3.2 0.0 3.2| 62.7 -13.1 49.6 16.5 0.45| 5.0 2.2 4000 264 18 167 10| 2.4 1.9 4.3| 87.0 -13.1 73.9 18.5 0.49| 5.7 2.8 5000 263 23 194 12| 1.9 3.1 5.0| 96.9 -13.2 83.8 16.8 0.39| 6.1 2.4 6000 262 29 215 15| 2.8 2.6 5.3|164.7 -13.5 151.2 25.2 0.40| 6.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251204.00.gif