UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U0292... Searching the city database file for: U0292 ... Date:1200Z 8 DEC 25 Station: U0292 WMO ident: 20292 Latitude: 77.72 Longitude: 104.30 ------------------------------------------------------------------------------- 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 1006 13 -18.3 -20.3 84 2.0 -18.6 285 9 254.4 254.5 254.2 256.4 0.76 1 1000 58 -17.9 -21.3 75 3.4 -18.4 275 13 255.2 255.4 254.8 257.1 0.70 2 964 332 -17.9 -22.2 69 4.3 -18.6 280 17 257.9 258.0 256.9 259.8 0.67 3 925 639 -20.9 -24.1 75 3.2 -21.3 285 21 257.9 258.0 256.8 259.6 0.59 4 904 808 -22.3 -25.0 79 2.7 -22.6 288 19 258.2 258.3 256.9 259.7 0.56 5 889 931 -21.9 -24.3 81 2.4 -22.2 290 18 259.8 259.9 258.3 261.5 0.60 6 876 1040 -19.9 -22.2 82 2.3 -20.3 291 17 263.0 263.1 261.0 265.1 0.74 7 872 1074 -19.9 -22.2 82 2.3 -20.3 292 17 263.4 263.5 261.3 265.4 0.74 8 850 1264 -19.9 -22.8 78 2.9 -20.3 295 15 265.3 265.4 262.7 267.3 0.72 9 824 1494 -19.9 -24.6 66 4.7 -20.6 293 14 267.7 267.8 264.3 269.5 0.63 10 700 2685 -27.7 -37.7 38 10.0 -28.5 285 7 271.8 271.8 266.3 272.5 0.21 11 672 2978 -29.3 -40.3 34 11.0 -30.1 271 6 273.2 273.2 267.2 273.7 0.17 12 561 4245 -37.5 -43.5 53 6.0 -37.8 209 3 278.0 278.0 270.2 278.5 0.14 13 500 5030 -43.3 -47.8 61 4.5 -43.5 170 1 280.2 280.3 271.5 280.6 0.10 14 471 5427 -46.3 -50.6 62 4.3 -46.4 165 3 281.4 281.4 272.1 281.6 0.08 15 400 6490 -53.7 -57.9 60 4.2 -53.8 150 9 285.2 285.2 274.2 285.3 0.04 16 376 6886 -56.5 -60.7 59 4.2 -56.6 165 8 286.6 286.6 274.9 286.7 0.03 17 352 7305 -56.3 -60.5 59 4.2 -56.3 181 7 292.3 292.3 277.9 292.4 0.03 18 313 8045 -59.9 -64.1 58 4.2 -59.9 210 5 297.3 297.3 280.1 297.4 0.02 19 300 8310 -59.9 -64.2 57 4.3 -59.9 230 3 300.9 300.9 281.7 301.0 0.02 20 292 8479 -60.1 -64.4 57 4.3 -60.2 220 4 303.0 303.0 282.6 303.0 0.02 21 250 9450 -58.7 -63.3 55 4.6 -58.7 160 7 318.8 318.8 288.4 318.9 0.03 22 241 9681 -57.5 -62.3 54 4.8 -57.6 161 6 324.0 324.0 290.0 324.1 0.04 23 200 10860 -57.1 -63.1 46 6.0 -57.2 165 3 342.3 342.3 294.9 342.5 0.04 24 163 12156 -57.7 -65.7 35 8.0 -57.9 179 4 362.0 362.0 299.1 362.1 0.03 25 150 12680 -58.7 -66.7 35 8.0 -58.9 185 5 368.9 369.0 300.4 369.1 0.03 26 100 15190 -63.1 -73.1 25 10.0 -63.3 135 11 405.8 405.8 306.0 405.9 0.02 27 70 17360 -66.7 -77.7 20 11.0 -66.8 150 21 441.7 441.7 310.0 441.8 0.01 28 50 19380 -70.5 -81.5 18 11.0 -70.6 165 35 477.4 477.4 313.2 477.4 0.01 29 35 21484 -73.1 -85.1 14 12.0 -73.2 521.8 521.8 316.4 521.9 0.01 30 30 22388 -72.5 -84.5 15 12.0 -72.6 547.0 547.0 317.9 547.1 0.01 TRP 313 8045 -59.9 -64.1 58 4.2 -59.9 210 5 297.3 297.3 280.1 297.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 4972.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 56.44 % Est. max temperature: -7.93 C = 17.72 F Sfc-Lift cond lev (LCL): 973.55 mb = 258.40 m = 847.77 ft T: -17.90 C 700-500 lapse rate: 6.65 C/km ThetaE index: 0.21 C Layer 925.0- 904.0 mb Conv cond level (CCL): 728.70 mb = 2391.66 m = 7846.54 ft Mean mixing ratio: 0.64 g/kg Conv temperature: -1.88 C = 28.62 F Cap Strength: 16.15 C Lifted Index: 17.44 C Risk: None Lifted Index @300 mb: 29.67 C Lifted Index @700 mb: 11.95 C Showalter Index: 10.70 C Risk: None Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 20.50 C K Index: -9.40 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.87 J/kg Max Up Vert Vel: 4.87 m/s Conv Inhibition (B-): 47271.15 J/kg Cap Strength: 17.38 C Lift Cond Lev (LCL): 900.60 mb = 836.07 m = 2742.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 6 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 1006 13 285 9 8.7 -2.3 | 247 4 4.1 1.8 1 1000 58 275 13 13.0 -1.1 | 250 9 8.4 3.0 2 925 639 285 21 20.3 -5.4 | 275 16 15.7 -1.3 3 850 1264 295 15 13.6 -6.3 | 284 9 9.0 -2.2 4 700 2685 285 7 6.8 -1.8 | 223 3 2.2 2.3 5 500 5030 170 1 -0.2 1.0 | 137 7 -4.8 5.1 6 400 6490 150 9 -4.5 7.8 | 143 15 -9.1 11.9 7 313 8045 210 5 2.5 4.3 | 166 9 -2.1 8.4 8 300 8310 230 3 2.3 1.9 | 159 6 -2.3 6.0 9 250 9450 160 7 -2.4 6.6 | 147 13 -7.0 10.7 10 200 10860 165 3 -0.8 2.9 | 143 9 -5.4 7.0 11 150 12680 185 5 0.4 5.0 | 155 10 -4.1 9.1 12 100 15190 135 11 -7.8 7.8 | 134 17 -12.4 11.9 13 70 17360 150 21 -10.5 18.2 | 146 27 -15.1 22.3 14 50 19380 165 35 -9.1 33.8 | 160 40 -13.6 37.9 Wind Parameters Mean winds (0-6000m): 281.9 at 8.2 knts Storm direction: 311.9 at 6.2 knts Shear (0-3000m) pos: 1.1 neg: 0.9 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): -46.1 deg Storm rel helicity (0-3000m) pos: 22.8 neg: -9.1 tot: 13.8 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.61 Bulk Shear: 7.39 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 ------------------------------------------------------------------------------- 500 280 16 262 11| 0.0 10.6 10.6| 12.2 0.0 12.2 24.4 0.40| 11.3 4.5 1000 284 18 270 12| 1.6 5.3 6.9| 21.3 0.0 21.3 21.3 0.41| 8.4 3.5 1500 286 17 273 12| 2.2 3.5 5.7| 22.8 -1.4 21.4 14.3 0.32| 7.0 2.3 2000 288 16 273 10| 1.6 2.0 3.6| 22.8 -4.3 18.5 9.3 0.22| 6.0 1.3 2500 288 14 272 9| 1.3 1.1 2.4| 22.8 -6.7 16.1 6.4 0.11| 5.4 0.6 3000 288 13 269 8| 1.1 0.9 2.0| 22.8 -9.1 13.8 4.6 0.02| 5.0 0.1 4000 285 11 258 6| 0.8 0.8 1.6| 22.8 -15.6 7.3 1.8 -0.10| 4.4 -0.4 5000 286 9 250 5| 0.7 0.5 1.2| 22.8 -21.7 1.1 0.2 -0.18| 3.9 -0.7 6000 282 8 235 4| 0.5 0.9 1.4| 25.2 -21.8 3.4 0.6 -0.13| 3.7 -0.5 Wrote GIF file: /home/apache/climate/data/raob//U0292/skewt/U0292.skewt.20251208.12.gif