UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 3 DEC 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 13 SFC 977 187 -19.1 -23.3 69 4.2 -19.7 90 1 255.7 255.8 254.9 257.4 0.60 2 964 287 -16.9 -20.0 77 3.1 -17.4 108 5 259.0 259.1 258.0 261.2 0.81 3 925 600 -13.7 -16.3 81 2.6 -14.2 165 17 265.3 265.5 263.6 268.5 1.16 4 882 959 -10.7 -12.5 87 1.8 -11.2 224 15 272.0 272.3 269.1 276.7 1.66 5 869 1072 -11.3 -13.0 87 1.7 -11.8 243 14 272.6 272.8 269.4 277.1 1.61 6 850 1239 -12.1 -14.3 84 2.2 -12.6 270 13 273.5 273.7 269.7 277.7 1.48 7 700 2703 -21.3 -24.4 76 3.1 -21.8 255 19 278.9 279.0 271.8 281.2 0.76 8 553 4406 -31.1 -34.3 73 3.2 -31.4 266 25 286.7 286.8 275.6 287.9 0.38 9 525 4771 -35.1 -38.6 70 3.5 -35.4 268 26 286.2 286.3 275.1 287.1 0.26 10 500 5110 -36.3 -39.7 71 3.4 -36.5 270 27 288.8 288.8 276.5 289.6 0.24 11 466 5596 -39.3 -42.9 69 3.6 -39.5 273 32 290.9 291.0 277.4 291.5 0.19 12 426 6202 -45.9 -49.4 68 3.5 -46.0 277 38 290.1 290.1 276.9 290.4 0.10 13 400 6620 -47.1 -50.5 68 3.4 -47.2 280 42 293.8 293.8 278.7 294.1 0.09 14 360 7311 -49.7 -53.6 63 3.9 -49.8 280 49 299.3 299.3 281.1 299.5 0.07 15 338 7719 -53.7 -58.2 58 4.5 -53.8 280 53 299.3 299.3 281.1 299.4 0.04 16 316 8149 -54.9 -59.4 57 4.5 -55.0 280 58 303.4 303.4 282.8 303.5 0.04 17 300 8480 -55.9 -60.4 57 4.5 -56.0 280 56 306.6 306.6 284.1 306.7 0.04 18 250 9640 -57.1 -62.1 53 5.0 -57.2 275 50 321.2 321.2 289.2 321.3 0.04 19 248 9691 -57.1 -62.1 53 5.0 -57.2 275 50 321.9 321.9 289.4 322.1 0.04 20 228 10222 -59.5 -64.5 52 5.0 -59.6 280 52 326.1 326.1 290.6 326.2 0.03 21 206 10863 -57.5 -63.5 46 6.0 -57.6 288 43 338.8 338.8 294.1 339.0 0.04 22 200 11050 -58.3 -64.3 46 6.0 -58.4 290 40 340.4 340.4 294.4 340.6 0.03 23 150 12850 -60.3 -67.3 39 7.0 -60.4 295 33 366.2 366.2 299.9 366.3 0.03 24 101 15299 -63.3 -71.3 33 8.0 -63.4 300 36 404.3 404.3 305.8 404.4 0.03 25 100 15360 -63.5 -71.5 33 8.0 -63.6 300 36 405.0 405.0 305.9 405.2 0.02 26 70 17530 -67.1 -75.1 31 8.0 -67.2 305 35 440.8 440.8 310.0 440.9 0.02 27 50 19540 -70.7 -79.7 25 9.0 -70.8 300 35 476.9 476.9 313.2 477.0 0.01 28 37 21317 -72.7 -81.7 24 9.0 -72.8 514.6 514.6 315.9 514.7 0.01 TRP 228 10222 -59.5 -64.5 52 5.0 -59.6 280 52 326.1 326.1 290.6 326.2 0.03 WND 316 8149 -54.9 -59.4 57 4.5 -55.0 280 58 303.4 303.4 282.8 303.5 0.04 Sounding variables and indices 1000-500 mb thick: 5097.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 77.13 % Est. max temperature: -0.72 C = 30.71 F Sfc-Lift cond lev (LCL): 911.71 mb = 709.21 m = 2326.76 ft T: -12.79 C 700-500 lapse rate: 6.23 C/km Conv cond level (CCL): 977.00 mb = 186.71 m = 612.56 ft Mean mixing ratio: 1.17 g/kg Conv temperature: -15.51 C = 4.08 F Cap Strength: 15.93 C Lifted Index: 17.06 C Risk: None Lifted Index @300 mb: 27.22 C Lifted Index @700 mb: 10.67 C Showalter Index: 9.44 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 22.00 C K Index: 6.80 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.29 J/kg Max Up Vert Vel: 11.16 m/s Conv Inhibition (B-): 38052.16 J/kg Cap Strength: 16.77 C Lift Cond Lev (LCL): 893.62 mb = 860.37 m = 2822.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 16 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 ---------------------------------------------------------- 0 977 187 90 1 -1.0 0.0 | 111 17 -15.8 6.1 1 925 600 165 17 -4.4 16.4 | 140 30 -19.2 22.5 2 850 1239 270 13 13.0 -0.0 | 164 6 -1.8 6.1 3 700 2703 255 19 18.4 4.9 | 198 12 3.6 11.0 4 500 5110 270 27 27.0 -0.0 | 243 14 12.2 6.1 5 400 6620 280 42 41.4 -7.3 | 273 27 26.6 -1.2 6 316 8149 280 58 57.1 -10.1 | 275 43 42.3 -3.9 7 300 8480 280 56 55.1 -9.7 | 275 41 40.4 -3.6 8 250 9640 275 50 49.8 -4.4 | 267 35 35.0 1.8 9 228 10222 280 52 51.2 -9.0 | 275 37 36.4 -2.9 10 200 11050 290 40 37.6 -13.7 | 288 24 22.8 -7.6 11 150 12850 295 33 29.9 -13.9 | 297 17 15.1 -7.8 12 100 15360 300 36 31.2 -18.0 | 306 20 16.4 -11.9 13 70 17530 305 35 28.7 -20.1 | 315 20 13.9 -14.0 14 50 19540 300 35 30.3 -17.5 | 306 19 15.5 -11.4 Wind Parameters Mean winds (0-6000m): 262.5 at 21.3 knts Storm direction: 292.5 at 16.0 knts Shear (0-3000m) pos: 3.0 neg: 0.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 96.1 deg Storm rel helicity (0-3000m) pos: 180.8 neg: -1.3 tot: 179.5 m^2/s^2 ave: 59.8 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 5.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.76 Bulk Shear: 82.26 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 ------------------------------------------------------------------------------- 500 165 10 133 24| 16.9 0.0 16.9|116.4 0.0 116.4 232.8 0.68| 24.9 16.9 1000 189 13 146 23| 7.4 0.0 7.4|165.3 -0.5 164.7 164.7 0.54| 23.5 12.8 1500 220 13 158 17| 5.4 0.0 5.4|168.3 -1.3 167.0 111.4 0.53| 17.0 9.0 2000 237 14 166 14| 4.1 0.6 4.7|171.9 -1.3 170.6 85.3 0.53| 13.4 7.1 2500 243 15 172 13| 3.3 1.0 4.3|174.8 -1.3 173.5 69.4 0.53| 11.2 5.9 3000 247 15 177 12| 3.0 0.9 3.9|180.8 -1.3 179.5 59.8 0.54| 9.7 5.3 4000 252 17 188 11| 2.7 0.7 3.4|193.6 -1.3 192.3 48.1 0.57| 7.8 4.5 5000 258 19 200 11| 2.6 0.5 3.2|208.7 -1.3 207.4 41.5 0.60| 6.7 4.0 6000 262 21 216 11| 3.1 0.4 3.5|240.0 -1.3 238.7 39.8 0.60| 6.5 3.9 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251203.12.gif