UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 25 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1005 142 -6.5 -8.7 84 2.2 -7.1 170 3 266.3 266.6 265.7 271.6 1.97 1 1000 181 -6.5 -8.7 84 2.2 -7.1 170 7 266.6 267.0 266.0 272.0 1.98 2 925 789 -8.3 -9.8 89 1.5 -8.7 230 13 270.8 271.1 268.8 276.2 1.96 3 856 1392 -7.3 -8.4 92 1.1 -7.7 235 22 277.9 278.3 273.8 284.6 2.37 4 850 1447 -7.7 -9.2 89 1.5 -8.2 235 23 278.1 278.5 273.7 284.4 2.24 5 789 2023 -10.3 -12.2 86 1.9 -10.8 239 35 281.3 281.6 275.0 286.8 1.90 6 700 2932 -17.1 -18.8 87 1.7 -17.5 245 54 283.5 283.8 275.2 287.2 1.24 7 691 3029 -17.1 -18.6 88 1.5 -17.4 245 54 284.6 284.8 275.8 288.4 1.27 8 678 3172 -13.5 -19.5 61 6.0 -14.9 246 55 290.2 290.4 278.6 293.9 1.20 9 580 4339 -21.9 -27.9 58 6.0 -22.9 251 57 293.6 293.7 279.4 295.7 0.66 10 520 5130 -28.7 -34.7 56 6.0 -29.3 254 59 294.7 294.8 279.6 296.0 0.39 11 500 5410 -29.9 -35.9 56 6.0 -30.5 255 60 296.6 296.6 280.4 297.8 0.36 12 425 6553 -36.7 -46.7 35 10.0 -37.3 262 66 302.0 302.0 282.4 302.5 0.13 13 421 6618 -37.1 -47.1 35 10.0 -37.7 263 66 302.3 302.3 282.5 302.8 0.13 14 400 6970 -40.5 -49.5 37 9.0 -40.9 265 68 302.4 302.4 282.5 302.7 0.10 15 369 7514 -45.3 -53.3 40 8.0 -45.6 267 71 303.0 303.0 282.7 303.3 0.07 16 338 8096 -49.0 -56.6 41 7.6 -49.2 270 75 305.6 305.6 283.7 305.8 0.05 17 300 8870 -54.1 -61.1 42 7.0 -54.2 270 68 309.1 309.1 285.0 309.2 0.03 18 284 9220 -55.7 -62.7 41 7.0 -55.8 270 68 311.7 311.7 285.9 311.8 0.03 19 283 9242 -57.1 -64.1 41 7.0 -57.2 270 68 310.0 310.0 285.4 310.1 0.02 20 250 10020 -60.7 -68.7 34 8.0 -60.8 270 69 315.8 315.8 287.4 315.9 0.01 21 234 10432 -61.7 -69.7 34 8.0 -61.8 265 71 320.3 320.3 288.9 320.4 0.01 22 233 10458 -63.1 -71.1 33 8.0 -63.1 265 71 318.6 318.6 288.3 318.7 0.01 23 200 11400 -63.5 -72.5 28 9.0 -63.6 260 68 332.2 332.2 292.3 332.2 0.01 24 158 12871 -56.5 -68.5 21 12.0 -56.8 260 65 367.2 367.2 300.1 367.3 0.02 25 150 13200 -56.7 -68.7 21 12.0 -56.9 260 64 372.4 372.4 301.0 372.5 0.02 26 100 15760 -58.5 -75.5 9 17.0 -58.8 260 66 414.7 414.7 307.1 414.8 0.01 27 70 17960 -63.3 -81.3 7 18.0 -63.6 260 66 449.0 449.0 310.8 449.0 0.01 28 50 20020 -66.1 -84.1 6 18.0 -66.4 265 75 487.7 487.7 314.1 487.8 0.01 29 30 23160 -62.1 -81.1 6 19.0 -62.8 265 73 575.3 575.4 319.5 575.5 0.02 30 27 23811 -62.5 -82.5 5 20.0 -63.2 262 74 591.8 591.8 320.2 591.9 0.02 31 25 24289 -58.9 -78.9 6 20.0 -60.0 261 74 615.3 615.3 321.3 615.6 0.03 32 20 25690 -58.7 -81.7 4 23.0 -60.2 255 75 656.5 656.5 322.9 656.7 0.03 33 14 27941 -57.9 -78.9 5 21.0 -60.0 250 81 729.7 729.7 325.4 730.2 0.06 34 12 28926 -53.3 -77.3 4 24.0 -56.9 248 84 778.9 778.9 326.7 779.7 0.09 35 10 30100 -54.1 -77.1 4 23.0 -57.9 245 87 817.6 817.7 327.7 818.7 0.11 36 9.6 30363 -52.9 -76.9 4 24.0 -57.3 831.7 831.8 328.0 832.9 0.11 TRP 233 10458 -63.1 -71.1 33 8.0 -63.1 265 71 318.6 318.6 288.3 318.7 0.01 WND 338 8096 -49.0 -56.6 41 7.6 -49.2 270 75 305.6 305.6 283.7 305.8 0.05 Sounding variables and indices 1000-500 mb thick: 5229.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 74.36 % Est. max temperature: 5.21 C = 41.38 F Sfc-Lift cond lev (LCL): 970.38 mb = 415.51 m = 1363.19 ft T: -7.19 C 700-500 lapse rate: 5.17 C/km ThetaE index: 0.20 C Layer 850.0- 789.0 mb Conv cond level (CCL): 764.49 mb = 2262.59 m = 7423.10 ft Mean mixing ratio: 1.98 g/kg Conv temperature: 9.15 C = 48.47 F Cap Strength: 16.98 C Lifted Index: 18.24 C Risk: None Lifted Index @300 mb: 24.40 C Lifted Index @700 mb: 9.66 C Showalter Index: 10.57 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 20.70 C K Index: 11.30 Risk: None Sweat Index: 173.75 Risk: None Energy Index: 2.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.04 J/kg Max Up Vert Vel: 5.84 m/s Conv Inhibition (B-): 60104.18 J/kg Cap Strength: 17.82 C Lift Cond Lev (LCL): 926.47 mb = 776.59 m = 2547.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 33 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 1005 142 170 3 -0.5 3.0 | 103 34 -33.2 7.7 1 1000 181 170 7 -1.2 6.9 | 109 36 -33.9 11.6 2 925 789 230 13 10.0 8.4 | 120 26 -22.7 13.1 3 850 1447 235 23 18.8 13.2 | 142 23 -13.8 17.9 4 700 2932 245 54 48.9 22.8 | 211 32 16.3 27.5 5 500 5410 255 60 58.0 15.5 | 231 32 25.3 20.3 6 400 6970 265 68 67.7 5.9 | 253 37 35.1 10.7 7 338 8096 270 75 75.0 -0.0 | 264 43 42.3 4.7 8 300 8870 270 68 68.0 -0.0 | 262 36 35.3 4.7 9 250 10020 270 69 69.0 -0.0 | 263 37 36.3 4.7 10 233 10458 265 71 70.7 6.2 | 254 40 38.0 10.9 11 200 11400 260 68 67.0 11.8 | 244 38 34.3 16.5 12 150 13200 260 64 63.0 11.1 | 242 34 30.3 15.8 13 100 15760 260 66 65.0 11.5 | 243 36 32.3 16.2 14 70 17960 260 66 65.0 11.5 | 243 36 32.3 16.2 15 50 20020 265 75 74.7 6.5 | 255 44 42.0 11.3 16 30 23160 265 73 72.7 6.4 | 255 42 40.0 11.1 17 20 25690 255 75 72.4 19.4 | 239 47 39.8 24.1 18 10 30100 245 87 78.8 36.8 | 228 62 46.2 41.5 Wind Parameters Mean winds (0-6000m): 248.2 at 44.0 knts Storm direction: 278.2 at 33.0 knts Shear (0-3000m) pos: 9.2 neg: 0.0 tot: 9.2 10-3/s Storm rel Dir Shear (0-3000m): 109.2 deg Storm rel helicity (0-3000m) pos: 349.1 neg: 0.0 tot: 349.1 m^2/s^2 ave: 116.4 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 8.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.08 Bulk Shear: 201.40 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 ------------------------------------------------------------------------------- 500 197 9 114 33| 10.0 0.0 10.0| 82.3 0.0 82.3 164.5 0.74| 12.7 9.4 1000 220 12 119 29| 8.8 0.0 8.8|120.4 0.0 120.4 120.4 0.71| 10.8 7.6 1500 228 15 125 26| 8.9 0.0 8.9|172.3 0.0 172.3 114.9 0.79| 10.2 8.0 2000 232 19 134 24| 9.4 0.0 9.4|234.9 0.0 234.9 117.4 0.84| 10.4 8.7 2500 236 24 145 22| 9.7 0.0 9.7|300.5 0.0 300.5 120.2 0.85| 10.5 9.0 3000 239 29 158 21| 9.2 0.0 9.2|349.1 0.0 349.1 116.4 0.85| 10.0 8.5 4000 243 35 177 21| 7.3 0.0 7.3|388.1 0.0 388.1 97.0 0.86| 8.1 7.0 5000 246 40 191 22| 6.1 0.0 6.1|428.4 0.0 428.4 85.7 0.87| 7.0 6.1 6000 248 44 201 23| 5.5 0.0 5.5|492.8 0.0 492.8 82.1 0.88| 6.5 5.7 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251225.00.gif