UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 27 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 1008 143 -17.1 -22.1 65 5.0 -17.9 160 3 255.5 255.6 254.8 257.2 0.64 1 1000 203 -17.1 -22.1 65 5.0 -17.9 175 9 256.0 256.2 255.3 257.8 0.65 2 942 651 -17.1 -23.1 60 6.0 -18.0 232 17 260.5 260.6 258.9 262.2 0.63 3 925 787 -17.9 -23.9 59 6.0 -18.8 250 19 261.0 261.1 259.2 262.7 0.60 4 898 1008 -19.1 -25.1 59 6.0 -19.9 250 23 262.0 262.1 259.9 263.6 0.55 5 897 1016 -18.7 -24.7 59 6.0 -19.6 250 23 262.5 262.6 260.3 264.1 0.57 6 878 1177 -14.3 -21.3 55 7.0 -15.6 250 26 268.7 268.8 265.3 270.9 0.79 7 850 1424 -12.5 -23.5 39 11.0 -14.5 250 31 273.1 273.2 268.0 275.0 0.68 8 842 1496 -12.7 -25.7 33 13.0 -14.9 251 31 273.6 273.7 268.2 275.2 0.56 9 803 1856 -14.7 -30.7 24 16.0 -17.0 259 33 275.2 275.2 268.8 276.3 0.37 10 780 2076 -15.3 -30.3 27 15.0 -17.5 263 34 276.8 276.9 269.9 278.0 0.39 11 762 2251 -17.3 -24.3 54 7.0 -18.5 267 35 276.5 276.7 270.3 278.6 0.70 12 736 2511 -17.9 -20.7 79 2.8 -18.4 272 36 278.6 278.8 272.1 281.6 1.00 13 700 2884 -19.7 -22.6 78 2.9 -20.2 280 38 280.7 280.8 273.1 283.3 0.89 14 671 3198 -20.1 -22.7 80 2.6 -20.6 281 39 283.6 283.8 274.8 286.4 0.92 15 500 5320 -33.5 -37.7 66 4.2 -33.8 285 48 292.2 292.2 278.2 293.2 0.30 16 457 5946 -37.5 -42.2 61 4.7 -37.8 285 49 294.8 294.8 279.3 295.5 0.20 17 400 6850 -44.9 -52.9 40 8.0 -45.2 285 50 296.6 296.6 280.0 296.9 0.07 18 336 7990 -54.6 -62.6 37 8.0 -54.8 285 60 298.5 298.5 280.7 298.6 0.02 19 332 8067 -55.3 -63.3 36 8.0 -55.4 286 59 298.6 298.6 280.8 298.7 0.02 20 300 8710 -57.3 -65.3 36 8.0 -57.4 290 48 304.6 304.6 283.2 304.7 0.02 21 270 9371 -58.3 -68.3 27 10.0 -58.4 293 43 312.4 312.4 286.2 312.5 0.01 22 250 9850 -61.1 -72.1 22 11.0 -61.2 295 40 315.2 315.2 287.2 315.3 0.01 23 240 10104 -62.5 -73.5 21 11.0 -62.6 295 41 316.8 316.8 287.7 316.9 0.01 24 221 10614 -63.7 -74.7 21 11.0 -63.8 295 44 322.5 322.5 289.5 322.6 0.01 25 200 11230 -63.3 -75.3 18 12.0 -63.4 290 44 332.5 332.5 292.4 332.5 0.01 26 150 13000 -62.3 -78.3 10 16.0 -62.4 290 52 362.8 362.8 299.2 362.8 0.01 27 128 13979 -61.9 -83.9 4 22.0 -62.1 286 50 380.3 380.3 302.3 380.3 0.00 28 100 15500 -63.3 -85.3 4 22.0 -63.5 280 46 405.4 405.4 305.9 405.4 0.00 29 99 15562 -64.1 -86.1 3 22.0 -64.3 280 46 405.0 405.0 305.9 405.1 0.00 30 70 17680 -64.9 -85.9 4 21.0 -65.1 280 46 445.5 445.5 310.4 445.6 0.00 31 50 19730 -65.9 -86.9 4 21.0 -66.2 270 60 488.2 488.2 314.1 488.2 0.00 32 46 20240 -62.5 -83.5 4 21.0 -63.0 267 65 508.2 508.2 315.5 508.2 0.01 33 32 22482 -61.9 -83.9 4 22.0 -62.6 253 89 565.4 565.4 318.9 565.4 0.01 34 32 22482 -58.5 -81.5 4 23.0 -59.5 253 89 574.5 574.5 319.4 574.6 0.02 35 30 22890 -56.5 -79.5 4 23.0 -57.8 250 93 590.6 590.6 320.2 590.8 0.02 36 24 24321 -53.1 -77.1 4 24.0 -55.4 247 107 639.4 639.4 322.3 639.8 0.04 37 20 25500 -52.7 -76.7 4 24.0 -55.4 245 118 674.9 674.9 323.6 675.3 0.06 38 18 26182 -51.7 -75.7 4 24.0 -54.8 698.7 698.7 324.4 699.3 0.07 39 16 26949 -49.9 -73.9 4 24.0 -53.8 728.5 728.5 325.3 729.4 0.11 40 14 27830 -45.9 -70.9 4 25.0 -51.7 770.4 770.5 326.5 772.2 0.19 41 11 29435 -45.9 -71.9 4 26.0 -52.5 825.4 825.5 327.9 827.6 0.21 TRP 221 10614 -63.7 -74.7 21 11.0 -63.8 295 44 322.5 322.5 289.5 322.6 0.01 WND 336 7990 -54.6 -62.6 37 8.0 -54.8 285 60 298.5 298.5 280.7 298.6 0.02 Sounding variables and indices 1000-500 mb thick: 5117.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 63.11 % Est. max temperature: -0.75 C = 30.64 F Sfc-Lift cond lev (LCL): 928.71 mb = 757.06 m = 2483.77 ft T: -17.72 C 700-500 lapse rate: 5.67 C/km Conv cond level (CCL): 551.10 mb = 4617.98 m = 15150.68 ft Mean mixing ratio: 0.63 g/kg Conv temperature: 16.95 C = 62.50 F Cap Strength: 20.84 C Lifted Index: 25.84 C Risk: None Lifted Index @300 mb: 31.04 C Lifted Index @700 mb: 18.48 C Showalter Index: 14.35 C Risk: None Total Totals Index: 31.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 10.00 C K Index: -5.40 Risk: None Sweat Index: 206.70 Risk: None Energy Index: 3.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.15 J/kg Max Up Vert Vel: 6.50 m/s Conv Inhibition (B-): 73281.22 J/kg Cap Strength: 25.79 C Lift Cond Lev (LCL): 872.09 mb = 1228.73 m = 4031.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 28 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 1008 143 160 3 -1.0 2.8 | 129 30 -23.4 18.9 1 1000 203 175 9 -0.8 9.0 | 137 34 -23.2 25.1 2 925 787 250 19 17.9 6.5 | 169 23 -4.5 22.6 3 850 1424 250 31 29.1 10.6 | 194 28 6.8 26.7 4 700 2884 280 38 37.4 -6.6 | 238 18 15.1 9.5 5 500 5320 285 48 46.4 -12.4 | 261 24 24.0 3.7 6 400 6850 285 50 48.3 -12.9 | 263 26 25.9 3.2 7 336 7990 285 60 58.0 -15.5 | 269 36 35.6 0.6 8 300 8710 290 48 45.1 -16.4 | 271 23 22.7 -0.3 9 250 9850 295 40 36.3 -16.9 | 273 14 13.9 -0.8 10 221 10614 295 44 39.9 -18.6 | 278 18 17.5 -2.5 11 200 11230 290 44 41.3 -15.0 | 267 19 19.0 1.0 12 150 13000 290 52 48.9 -17.8 | 274 27 26.5 -1.7 13 100 15500 280 46 45.3 -8.0 | 251 24 22.9 8.1 14 70 17680 280 46 45.3 -8.0 | 251 24 22.9 8.1 15 50 19730 270 60 60.0 -0.0 | 247 41 37.6 16.1 16 30 22890 250 93 87.4 31.8 | 234 81 65.0 47.9 17 20 25500 245 118 106.9 49.9 | 232 107 84.6 66.0 Wind Parameters Mean winds (0-6000m): 275.7 at 36.7 knts Storm direction: 305.7 at 27.6 knts Shear (0-3000m) pos: 7.0 neg: 0.0 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 111.9 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: 10.1 stream: 8.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.14 Bulk Shear: 150.28 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 ------------------------------------------------------------------------------- 500 210 12 148 31| 16.3 0.0 16.3|147.5 0.0 147.5 295.1 0.85| 21.2 18.0 1000 238 16 161 26| 13.3 0.0 13.3|213.7 0.0 213.7 213.7 0.84| 17.0 14.2 1500 245 21 172 25| 11.1 0.0 11.1|261.6 0.0 261.6 174.4 0.84| 14.0 11.8 2000 250 24 180 24| 9.1 0.0 9.1|296.5 0.0 296.5 148.2 0.84| 12.2 10.3 2500 256 26 188 23| 7.9 0.0 7.9|329.2 0.0 329.2 131.7 0.85| 11.1 9.4 3000 261 28 195 21| 7.0 0.0 7.0|349.1 0.0 349.1 116.4 0.85| 10.1 8.6 4000 268 31 208 19| 5.8 0.0 5.8|367.6 0.0 367.6 91.9 0.85| 8.1 6.9 5000 273 34 220 19| 5.0 0.0 5.0|387.3 0.0 387.3 77.5 0.84| 6.9 5.9 6000 276 37 229 19| 4.3 0.1 4.4|393.7 0.0 393.7 65.6 0.84| 5.9 5.0 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251227.12.gif