UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 5 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 -4 SFC 966 261 -12.3 -13.2 93 0.9 -12.5 0 0 263.4 263.7 262.7 267.3 1.43 2 965 269 -10.7 -13.3 81 2.6 -11.3 359 0 265.1 265.4 263.9 269.0 1.42 3 953 366 -9.5 -11.7 84 2.2 -10.1 348 2 267.3 267.6 265.8 271.8 1.63 4 925 596 -10.7 -12.5 87 1.8 -11.2 320 7 268.4 268.6 266.5 272.7 1.58 5 850 1242 -14.9 -17.5 81 2.6 -15.4 310 13 270.5 270.7 267.2 273.8 1.14 6 700 2689 -22.5 -25.4 77 2.9 -22.9 295 19 277.6 277.7 270.9 279.6 0.69 7 659 3131 -24.5 -27.3 78 2.8 -24.9 288 19 280.1 280.3 272.3 282.0 0.62 8 506 4998 -39.7 -43.3 68 3.6 -39.9 256 21 283.7 283.7 273.6 284.2 0.16 9 500 5080 -40.1 -43.7 68 3.6 -40.3 255 21 284.1 284.2 273.8 284.7 0.16 10 455 5720 -42.5 -46.7 63 4.2 -42.7 268 26 288.9 288.9 276.3 289.3 0.13 11 400 6580 -47.9 -52.9 56 5.0 -48.0 285 33 292.7 292.7 278.2 293.0 0.07 12 350 7449 -53.3 -59.3 48 6.0 -53.4 283 36 296.8 296.8 280.0 297.0 0.04 13 300 8430 -57.7 -63.7 46 6.0 -57.8 280 40 304.0 304.0 283.0 304.1 0.02 14 295 8537 -57.7 -63.7 46 6.0 -57.8 279 40 305.5 305.5 283.6 305.6 0.02 15 265 9213 -59.7 -65.7 45 6.0 -59.7 275 42 312.1 312.1 286.1 312.1 0.02 16 250 9580 -58.7 -64.7 46 6.0 -58.8 275 38 318.8 318.8 288.4 318.9 0.03 17 235 9967 -58.5 -64.5 46 6.0 -58.6 275 38 324.8 324.8 290.2 324.9 0.03 18 200 10980 -57.3 -63.3 46 6.0 -57.4 275 38 342.0 342.0 294.8 342.2 0.04 19 161 12353 -57.1 -64.1 41 7.0 -57.3 275 36 364.3 364.3 299.5 364.4 0.04 20 150 12800 -58.5 -65.5 40 7.0 -58.6 275 36 369.3 369.3 300.5 369.5 0.04 21 100 15310 -62.9 -69.9 38 7.0 -63.0 270 40 406.2 406.2 306.0 406.4 0.03 22 91 15892 -63.3 -70.3 38 7.0 -63.4 269 40 416.5 416.5 307.3 416.7 0.03 23 70 17500 -65.7 -72.7 37 7.0 -65.8 265 40 443.8 443.8 310.3 444.0 0.03 24 50 19530 -69.3 -76.3 35 7.0 -69.4 280 35 480.2 480.2 313.5 480.3 0.02 25 36 21474 -72.5 -79.5 34 7.0 -72.6 274 43 519.2 519.2 316.2 519.3 0.02 26 30 22550 -70.5 -78.5 30 8.0 -70.7 270 48 552.4 552.5 318.2 552.6 0.03 27 25 23632 -70.7 -78.7 30 8.0 -70.9 581.4 581.5 319.8 581.7 0.03 TRP 265 9213 -59.7 -65.7 45 6.0 -59.7 275 42 312.1 312.1 286.1 312.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5084.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 77.15 % Est. max temperature: -3.81 C = 25.15 F Sfc-Lift cond lev (LCL): 951.91 mb = 374.45 m = 1228.48 ft T: -9.55 C 700-500 lapse rate: 7.36 C/km ThetaE index: 0.00 C Layer 966.0-11024811681644544.0 mb Conv cond level (CCL): 861.13 mb = 1142.59 m = 3748.60 ft Mean mixing ratio: 1.47 g/kg Conv temperature: -5.60 C = 21.91 F Cap Strength: 9.38 C Lifted Index: 9.74 C Risk: None Lifted Index @300 mb: 22.32 C Lifted Index @700 mb: 5.96 C Showalter Index: 8.75 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 22.60 C K Index: 4.80 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 2.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.35 J/kg Max Up Vert Vel: 5.36 m/s Conv Inhibition (B-): 40406.62 J/kg Cap Strength: 9.48 C Lift Cond Lev (LCL): 884.77 mb = 935.71 m = 3069.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 14 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 ---------------------------------------------------------- 0 966 261 0 0 -0.0 -0.0 | 131 14 -10.4 9.0 1 925 596 320 7 4.5 -5.4 | 121 7 -5.9 3.6 2 850 1242 310 13 10.0 -8.4 | 143 1 -0.5 0.6 3 700 2689 295 19 17.2 -8.0 | 262 7 6.8 1.0 4 500 5080 255 21 20.3 5.4 | 214 17 9.8 14.4 5 400 6580 285 33 31.9 -8.5 | 269 21 21.4 0.4 6 300 8430 280 40 39.4 -6.9 | 266 29 29.0 2.0 7 265 9213 275 42 41.8 -3.7 | 260 32 31.4 5.3 8 250 9580 275 38 37.9 -3.3 | 258 28 27.4 5.7 9 200 10980 275 38 37.9 -3.3 | 258 28 27.4 5.7 10 150 12800 275 36 35.9 -3.1 | 257 26 25.4 5.9 11 100 15310 270 40 40.0 -0.0 | 253 31 29.6 9.0 12 70 17500 265 40 39.8 3.5 | 247 32 29.4 12.5 13 50 19530 280 35 34.5 -6.1 | 263 24 24.0 2.9 14 30 22550 270 48 48.0 -0.0 | 257 39 37.6 9.0 Wind Parameters Mean winds (0-6000m): 280.7 at 18.4 knts Storm direction: 310.7 at 13.8 knts Shear (0-3000m) pos: 0.0 neg: 3.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 114.7 deg Storm rel helicity (0-3000m) pos: 0.9 neg: -12.4 tot: -11.5 m^2/s^2 ave: -3.8 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 4.2 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.49 Bulk Shear: 29.20 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 ------------------------------------------------------------------------------- 500 319 5 126 9| 0.0 8.8 8.8| 0.2 -7.3 -7.2 -14.3 -0.25| 9.3 -2.3 1000 314 8 126 6| 0.0 6.7 6.7| 0.5 -7.4 -6.9 -6.9 -0.11| 7.1 -0.8 1500 311 10 130 4| 0.0 5.2 5.2| 0.8 -7.4 -6.6 -4.4 -0.00| 5.6 -0.0 2000 307 12 147 2| 0.0 4.4 4.4| 0.9 -7.4 -6.5 -3.2 0.01| 4.8 0.0 2500 304 13 189 2| 0.0 3.9 3.9| 0.9 -8.2 -7.2 -2.9 -0.02| 4.4 -0.1 3000 301 14 219 2| 0.0 3.3 3.3| 0.9 -12.4 -11.5 -3.8 -0.09| 4.2 -0.4 4000 293 15 232 5| 0.0 2.6 2.6| 0.9 -23.8 -22.8 -5.7 -0.20| 3.9 -0.8 5000 284 17 229 7| 0.0 2.3 2.3| 9.8 -36.7 -27.0 -5.4 -0.20| 3.8 -0.8 6000 281 18 234 9| 1.0 1.9 3.0| 69.2 -36.7 32.5 5.4 0.09| 4.2 0.4 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251205.00.gif