UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 19 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 1010 145 -8.1 -10.7 82 2.6 -8.8 145 5 264.3 264.6 263.8 268.8 1.67 1 1000 222 -8.1 -10.8 81 2.7 -8.8 145 9 265.0 265.3 264.3 269.6 1.67 2 973 434 -8.1 -10.8 81 2.7 -8.8 177 17 267.1 267.4 265.9 271.8 1.72 3 925 825 -11.1 -13.3 84 2.2 -11.6 235 33 268.0 268.2 266.0 272.0 1.48 4 861 1372 -15.3 -16.9 88 1.6 -15.6 248 35 269.1 269.3 266.3 272.4 1.18 5 850 1469 -15.3 -16.9 88 1.6 -15.6 250 35 270.1 270.3 267.0 273.5 1.20 6 821 1731 -16.5 -18.1 87 1.6 -16.8 253 36 271.5 271.7 267.8 274.7 1.12 7 775 2167 -13.5 -14.7 91 1.2 -13.8 257 37 279.3 279.6 273.3 283.8 1.58 8 700 2936 -16.9 -19.3 82 2.4 -17.4 265 40 283.8 284.0 275.3 287.3 1.18 9 634 3674 -19.9 -22.3 81 2.4 -20.4 271 45 288.5 288.7 277.4 291.6 1.01 10 546 4762 -28.1 -30.3 81 2.2 -28.4 280 52 291.4 291.5 278.2 293.2 0.56 11 500 5390 -30.5 -33.5 75 3.0 -30.9 285 56 295.9 295.9 280.1 297.3 0.45 12 455 6054 -36.3 -39.8 70 3.5 -36.5 285 56 296.7 296.7 280.3 297.6 0.26 13 416 6672 -39.9 -44.5 61 4.6 -40.2 285 56 299.8 299.8 281.5 300.4 0.18 14 400 6940 -41.3 -46.3 58 5.0 -41.6 285 56 301.3 301.3 282.1 301.8 0.15 15 357 7703 -46.7 -51.7 57 5.0 -46.9 287 62 304.0 304.0 283.1 304.4 0.09 16 354 7759 -48.7 -54.7 50 6.0 -48.8 287 62 302.1 302.1 282.3 302.3 0.06 17 300 8830 -55.7 -61.7 47 6.0 -55.8 290 71 306.8 306.8 284.2 307.0 0.03 18 295 8937 -56.3 -62.3 47 6.0 -56.4 290 71 307.5 307.5 284.4 307.6 0.03 19 287 9110 -58.9 -64.9 46 6.0 -59.0 291 71 306.2 306.2 283.9 306.3 0.02 20 254 9864 -64.9 -70.9 43 6.0 -65.0 295 73 308.2 308.2 284.7 308.2 0.01 21 250 9960 -65.5 -71.5 43 6.0 -65.5 295 73 308.7 308.7 284.8 308.7 0.01 22 248 10009 -65.7 -71.7 43 6.0 -65.7 296 73 309.1 309.1 285.0 309.1 0.01 23 218 10791 -68.3 -74.3 42 6.0 -68.3 305 75 316.8 316.8 287.7 316.8 0.01 24 209 11045 -69.1 -75.1 41 6.0 -69.1 305 74 319.3 319.3 288.5 319.3 0.01 25 200 11310 -67.9 -73.9 42 6.0 -67.9 305 73 325.2 325.2 290.3 325.3 0.01 26 154 12916 -60.7 -67.7 39 7.0 -60.8 296 69 362.8 362.8 299.2 362.9 0.03 27 150 13080 -60.9 -67.9 39 7.0 -61.0 295 69 365.2 365.2 299.7 365.3 0.03 28 100 15620 -58.1 -67.1 31 9.0 -58.3 285 69 415.5 415.5 307.2 415.7 0.05 29 80 17026 -57.3 -66.3 31 9.0 -57.6 285 68 444.5 444.5 310.4 444.9 0.06 30 70 17870 -56.7 -66.7 27 10.0 -57.2 285 68 463.1 463.1 312.1 463.5 0.07 31 50 20000 -57.7 -67.7 27 10.0 -58.3 280 69 507.5 507.5 315.5 508.0 0.08 32 32 22812 -56.7 -67.7 24 11.0 -57.6 280 68 579.3 579.3 319.7 580.2 0.13 33 30 23220 -57.1 -68.1 24 11.0 -58.0 280 68 589.0 589.0 320.2 590.0 0.13 34 22 25166 -60.7 -72.7 19 12.0 -61.6 276 69 632.9 632.9 322.0 633.6 0.09 35 20 25760 -59.7 -71.7 20 12.0 -60.8 275 69 653.4 653.5 322.9 654.4 0.12 36 13 28468 -57.3 -69.3 20 12.0 -59.3 747.4 747.5 325.9 749.8 0.26 TRP 218 10791 -68.9 -74.9 42 6.0 -68.9 305 75 315.8 315.8 287.3 315.8 0.01 WND 218 10791 -68.3 -74.3 42 6.0 -68.3 305 75 316.8 316.8 287.7 316.8 0.01 Sounding variables and indices 1000-500 mb thick: 5168.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 83.15 % Est. max temperature: -3.17 C = 26.30 F Sfc-Lift cond lev (LCL): 968.88 mb = 467.23 m = 1532.90 ft T: -8.35 C 700-500 lapse rate: 5.54 C/km Conv cond level (CCL): 901.50 mb = 1021.23 m = 3350.47 ft Mean mixing ratio: 1.61 g/kg Conv temperature: -4.00 C = 24.79 F Cap Strength: 17.11 C Lifted Index: 20.28 C Risk: None Lifted Index @300 mb: 25.14 C Lifted Index @700 mb: 12.49 C Showalter Index: 18.58 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 13.60 C K Index: -4.10 Risk: None Sweat Index: 222.70 Risk: None Energy Index: 5.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.54 J/kg Max Up Vert Vel: 5.20 m/s Conv Inhibition (B-): 55998.54 J/kg Cap Strength: 20.18 C Lift Cond Lev (LCL): 921.36 mb = 855.04 m = 2805.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 31 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 1010 145 145 5 -2.9 4.1 | 122 36 -30.4 19.3 1 1000 222 145 9 -5.2 7.4 | 125 40 -32.6 22.6 2 925 825 235 33 27.0 18.9 | 179 34 -0.5 34.2 3 850 1469 250 35 32.9 12.0 | 191 28 5.4 27.2 4 700 2936 265 40 39.8 3.5 | 213 22 12.4 18.7 5 500 5390 285 56 54.1 -14.5 | 268 27 26.6 0.7 6 400 6940 285 56 54.1 -14.5 | 268 27 26.6 0.7 7 300 8830 290 71 66.7 -24.3 | 283 40 39.2 -9.0 8 250 9960 295 73 66.2 -30.9 | 292 42 38.7 -15.6 9 218 10791 305 75 61.4 -43.0 | 309 44 34.0 -27.8 10 200 11310 305 73 59.8 -41.9 | 309 42 32.3 -26.6 11 150 13080 295 69 62.5 -29.2 | 292 38 35.1 -13.9 12 100 15620 285 69 66.6 -17.9 | 274 39 39.2 -2.6 13 70 17870 285 68 65.7 -17.6 | 274 38 38.2 -2.4 14 50 20000 280 69 68.0 -12.0 | 265 41 40.5 3.3 15 30 23220 280 68 67.0 -11.8 | 265 40 39.5 3.4 16 20 25760 275 69 68.7 -6.0 | 257 42 41.3 9.2 Wind Parameters Mean winds (0-6000m): 269.0 at 41.9 knts Storm direction: 299.0 at 31.4 knts Shear (0-3000m) pos: 7.6 neg: 0.0 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 95.6 deg Storm rel helicity (0-3000m) pos: 554.6 neg: 0.0 tot: 554.6 m^2/s^2 ave: 184.9 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 9.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.06 Bulk Shear: 232.72 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 ------------------------------------------------------------------------------- 500 190 16 141 40| 24.7 0.0 24.7|288.6 0.0 288.6 577.2 0.88| 30.4 26.8 1000 228 24 163 33| 18.0 0.0 18.0|454.6 0.0 454.6 454.6 0.87| 25.5 22.2 1500 237 28 172 31| 12.8 0.0 12.8|487.8 0.0 487.8 325.2 0.86| 19.0 16.3 2000 243 30 178 29| 10.1 0.0 10.1|509.9 0.0 509.9 255.0 0.86| 15.2 13.1 2500 247 31 183 28| 8.5 0.0 8.5|531.5 0.0 531.5 212.6 0.86| 12.9 11.1 3000 251 33 188 26| 7.6 0.0 7.6|554.6 0.0 554.6 184.9 0.86| 11.5 9.9 4000 257 36 198 24| 6.6 0.0 6.6|608.8 0.0 608.8 152.2 0.88| 9.8 8.6 5000 264 39 210 22| 6.0 0.0 6.0|669.2 0.0 669.2 133.8 0.89| 8.8 7.9 6000 269 42 222 22| 5.1 0.0 5.1|685.3 0.0 685.3 114.2 0.89| 7.6 6.8 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251219.12.gif