UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 9 DEC 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1014 45 -23.7 -26.7 76 3.0 -24.0 190 7 248.5 248.5 248.3 249.6 0.42 1 1000 147 -23.9 -28.0 69 4.1 -24.3 195 11 249.2 249.3 248.9 250.3 0.38 2 990 220 -23.9 -28.0 69 4.1 -24.3 205 14 250.0 250.0 249.5 251.0 0.39 3 970 372 -15.7 -19.1 75 3.4 -16.3 224 19 259.7 259.8 258.8 262.1 0.87 4 925 730 -17.1 -19.4 82 2.3 -17.5 270 31 261.8 262.0 260.5 264.3 0.89 5 921 762 -17.3 -19.7 82 2.4 -17.7 271 31 261.9 262.1 260.5 264.3 0.87 6 852 1346 -16.7 -19.4 80 2.7 -17.2 294 29 268.5 268.6 265.5 271.2 0.96 7 850 1364 -16.7 -19.4 80 2.7 -17.2 295 29 268.7 268.8 265.6 271.4 0.97 8 770 2103 -19.3 -22.2 78 2.9 -19.8 287 29 273.6 273.7 268.7 276.0 0.84 9 700 2805 -24.1 -27.3 75 3.2 -24.5 280 29 275.8 275.9 269.6 277.5 0.58 10 637 3484 -29.7 -33.0 73 3.3 -30.0 286 33 277.0 277.0 270.0 278.1 0.37 11 594 3979 -31.7 -34.9 73 3.2 -32.0 290 35 280.2 280.3 271.9 281.3 0.33 12 503 5129 -41.3 -44.8 69 3.5 -41.5 300 42 282.2 282.2 272.7 282.7 0.14 13 500 5170 -41.5 -45.0 69 3.5 -41.6 300 42 282.4 282.5 272.8 282.9 0.14 14 475 5518 -42.5 -46.2 67 3.7 -42.6 300 45 285.4 285.4 274.5 285.8 0.13 15 400 6660 -50.9 -54.9 62 4.0 -51.0 300 56 288.8 288.8 276.2 289.0 0.06 16 300 8480 -62.9 -67.2 56 4.3 -62.9 310 66 296.7 296.7 279.9 296.7 0.02 17 295 8584 -63.5 -67.9 55 4.4 -63.6 310 68 297.3 297.3 280.1 297.3 0.01 18 278 8948 -63.7 -68.1 55 4.4 -63.7 310 71 302.0 302.0 282.2 302.1 0.01 19 250 9600 -64.1 -68.5 55 4.4 -64.1 310 68 310.8 310.8 285.6 310.8 0.02 20 237 9926 -64.3 -68.7 55 4.4 -64.3 310 62 315.3 315.3 287.2 315.3 0.02 21 208 10728 -61.5 -65.8 56 4.3 -61.6 310 47 331.6 331.6 292.2 331.7 0.03 22 200 10970 -61.7 -66.1 56 4.4 -61.7 310 42 335.1 335.1 293.1 335.2 0.03 23 163 12231 -64.5 -69.0 54 4.5 -64.6 310 38 350.5 350.5 296.8 350.6 0.02 24 150 12740 -64.3 -68.8 54 4.5 -64.4 310 36 359.3 359.3 298.6 359.4 0.02 25 136 13344 -60.9 -65.4 55 4.5 -61.0 308 33 375.5 375.5 301.5 375.7 0.04 26 122 14015 -64.1 -68.8 52 4.7 -64.2 305 29 381.5 381.6 302.5 381.7 0.03 27 100 15230 -64.9 -69.6 52 4.7 -65.0 300 23 402.3 402.3 305.5 402.5 0.03 28 72 17220 -66.5 -71.4 50 4.9 -66.6 295 17 438.6 438.6 309.7 438.8 0.03 29 70 17390 -67.7 -72.7 49 5.0 -67.8 295 17 439.5 439.6 309.8 439.7 0.03 30 50 19390 -71.9 -76.9 47 5.0 -72.0 285 17 474.1 474.1 313.0 474.2 0.02 31 35 21476 -75.1 -79.8 48 4.7 -75.2 516.6 516.6 316.1 516.7 0.02 TRP 295 8584 -63.5 -67.9 55 4.4 -63.6 310 68 297.3 297.3 280.1 297.3 0.01 WND 278 8948 -63.7 -68.1 55 4.4 -63.7 310 71 302.0 302.0 282.2 302.1 0.01 Sounding variables and indices 1000-500 mb thick: 5023.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 75.04 % Est. max temperature: -4.80 C = 23.36 F Sfc-Lift cond lev (LCL): 964.57 mb = 414.46 m = 1359.75 ft T: -15.87 C 700-500 lapse rate: 7.36 C/km ThetaE index: 0.00 C Layer 1014.0-635007559270400.0 mb Conv cond level (CCL): 1000.00 mb = 147.00 m = 482.28 ft Mean mixing ratio: 0.72 g/kg Conv temperature: -19.97 C = -3.95 F Cap Strength: 19.09 C Lifted Index: 19.24 C Risk: None Lifted Index @300 mb: 26.67 C Lifted Index @700 mb: 15.61 C Showalter Index: 9.28 C Risk: None Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 22.10 C K Index: 2.20 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 2.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.64 J/kg Max Up Vert Vel: 11.63 m/s Conv Inhibition (B-): 39861.41 J/kg Cap Strength: 19.09 C Lift Cond Lev (LCL): 922.93 mb = 746.79 m = 2450.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 25 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 1014 45 190 7 1.2 6.9 | 150 30 -14.9 25.9 1 1000 147 195 11 2.8 10.6 | 156 32 -13.3 29.6 2 925 730 270 31 31.0 -0.0 | 218 24 14.9 19.0 3 850 1364 295 29 26.3 -12.3 | 236 12 10.1 6.7 4 700 2805 280 29 28.6 -5.0 | 222 19 12.4 13.9 5 500 5170 300 42 36.4 -21.0 | 276 20 20.2 -2.0 6 400 6660 300 56 48.5 -28.0 | 286 34 32.4 -9.0 7 300 8480 310 66 50.6 -42.4 | 304 42 34.4 -23.4 8 295 8584 310 68 52.1 -43.7 | 305 44 36.0 -24.7 9 278 8948 310 71 54.4 -45.6 | 305 47 38.3 -26.7 10 250 9600 310 68 52.1 -43.7 | 305 44 36.0 -24.7 11 200 10970 310 42 32.2 -27.0 | 297 18 16.0 -8.0 12 150 12740 310 36 27.6 -23.1 | 290 12 11.4 -4.2 13 100 15230 300 23 19.9 -11.5 | 207 8 3.8 7.5 14 70 17390 295 17 15.4 -7.2 | 176 12 -0.7 11.8 15 50 19390 285 17 16.4 -4.4 | 181 15 0.3 14.6 Wind Parameters Mean winds (0-6000m): 289.6 at 33.2 knts Storm direction: 319.6 at 24.9 knts Shear (0-3000m) pos: 5.4 neg: 1.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 76.8 deg Storm rel helicity (0-3000m) pos: 318.1 neg: -14.7 tot: 303.4 m^2/s^2 ave: 101.1 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 6.7 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 0.58 Bulk Shear: 116.39 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 ------------------------------------------------------------------------------- 500 226 16 171 30| 22.2 0.0 22.2|199.4 0.0 199.4 398.9 0.94| 25.9 24.4 1000 261 23 196 23| 16.0 0.0 16.0|300.6 0.0 300.6 300.6 0.86| 23.1 19.9 1500 273 25 206 20| 10.7 0.0 10.7|310.7 -1.2 309.5 206.3 0.79| 17.7 14.0 2000 278 26 212 18| 8.1 0.7 8.7|310.7 -6.2 304.4 152.2 0.73| 14.0 10.2 2500 280 27 215 17| 6.4 1.1 7.5|310.7 -12.1 298.6 119.4 0.67| 11.7 7.8 3000 280 27 216 18| 5.4 1.0 6.4|318.1 -14.7 303.4 101.1 0.66| 10.2 6.7 4000 282 29 222 17| 4.9 0.8 5.7|354.0 -14.7 339.2 84.8 0.69| 8.6 6.0 5000 286 31 232 17| 4.6 0.6 5.3|393.4 -14.7 378.6 75.7 0.72| 7.7 5.6 6000 290 33 243 17| 4.2 0.6 4.9|416.9 -14.7 402.1 67.0 0.69| 7.2 5.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251209.12.gif