UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 5 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 50 SFC 981 189 -26.9 -29.6 78 2.7 -27.1 0 0 247.6 247.7 247.3 248.5 0.33 2 935 542 -19.5 -22.1 80 2.6 -19.9 78 6 258.6 258.7 257.5 260.5 0.70 3 925 622 -18.7 -21.1 81 2.4 -19.1 95 7 260.2 260.3 258.9 262.3 0.77 4 872 1063 -15.5 -17.9 82 2.4 -16.0 25 6 267.9 268.1 265.3 270.9 1.07 5 850 1255 -16.5 -19.1 80 2.6 -17.0 355 5 268.9 269.0 265.8 271.7 0.99 6 700 2683 -27.7 -31.1 73 3.4 -28.0 300 7 271.8 271.9 266.7 273.0 0.41 7 689 2796 -28.9 -32.2 73 3.3 -29.2 299 7 271.7 271.8 266.5 272.8 0.37 8 567 4169 -36.1 -39.6 70 3.5 -36.3 284 10 278.8 278.9 270.8 279.5 0.22 9 500 5030 -42.3 -46.2 66 3.9 -42.5 275 11 281.5 281.5 272.2 281.9 0.12 10 454 5674 -47.1 -51.7 59 4.6 -47.2 260 12 283.3 283.3 273.2 283.6 0.07 11 400 6500 -52.1 -57.1 55 5.0 -52.2 240 13 287.3 287.3 275.3 287.4 0.04 12 310 8117 -61.9 -66.9 51 5.0 -61.9 235 15 295.3 295.3 279.3 295.4 0.02 13 300 8320 -61.5 -66.5 51 5.0 -61.6 240 15 298.6 298.7 280.8 298.7 0.02 14 250 9460 -58.3 -63.3 53 5.0 -58.4 250 11 319.4 319.4 288.6 319.5 0.03 15 224 10149 -57.3 -62.3 53 5.0 -57.4 255 11 331.1 331.1 292.0 331.3 0.04 16 200 10860 -58.3 -64.3 46 6.0 -58.4 260 11 340.4 340.4 294.4 340.6 0.03 17 150 12670 -59.5 -65.5 46 6.0 -59.6 270 17 367.6 367.6 300.2 367.7 0.04 18 100 15200 -61.7 -69.7 34 8.0 -61.9 275 17 408.5 408.5 306.3 408.7 0.03 19 70 17400 -64.9 -73.9 28 9.0 -65.1 260 15 445.5 445.5 310.4 445.7 0.02 20 50 19420 -68.7 -78.7 22 10.0 -68.8 265 17 481.6 481.6 313.6 481.7 0.02 21 36 21374 -71.5 -81.5 21 10.0 -71.6 521.8 521.8 316.4 521.9 0.01 TRP 310 8117 -61.9 -66.9 51 5.0 -61.9 235 15 295.3 295.3 279.3 295.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 4980.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 74.21 % Est. max temperature: -5.39 C = 22.29 F Sfc-Lift cond lev (LCL): 937.52 mb = 521.93 m = 1712.35 ft T: -19.91 C 700-500 lapse rate: 6.22 C/km Conv cond level (CCL): 981.00 mb = 188.87 m = 619.65 ft Mean mixing ratio: 0.71 g/kg Conv temperature: -21.38 C = -6.48 F Cap Strength: 15.85 C Lifted Index: 17.39 C Risk: None Lifted Index @300 mb: 27.19 C Lifted Index @700 mb: 10.89 C Showalter Index: 8.25 C Risk: None Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 23.20 C K Index: 3.30 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.88 J/kg Max Up Vert Vel: 12.07 m/s Conv Inhibition (B-): 41575.70 J/kg Cap Strength: 17.38 C Lift Cond Lev (LCL): 901.07 mb = 817.94 m = 2683.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 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 ---------------------------------------------------------- 0 981 189 0 0 -0.0 -0.0 | 136 6 -4.3 4.4 1 925 622 95 7 -7.0 0.6 | 114 12 -11.3 5.0 2 850 1255 355 5 0.4 -5.0 | 82 4 -3.8 -0.6 3 700 2683 300 7 6.1 -3.5 | 243 2 1.8 0.9 4 500 5030 275 11 11.0 -1.0 | 243 8 6.7 3.5 5 400 6500 240 13 11.3 6.5 | 213 13 7.0 10.9 6 310 8117 235 15 12.3 8.6 | 212 15 8.0 13.0 7 300 8320 240 15 13.0 7.5 | 216 15 8.7 11.9 8 250 9460 250 11 10.3 3.8 | 217 10 6.1 8.2 9 200 10860 260 11 10.8 1.9 | 226 9 6.6 6.3 10 150 12670 270 17 17.0 -0.0 | 251 13 12.7 4.4 11 100 15200 275 17 16.9 -1.5 | 257 13 12.7 2.9 12 70 17400 260 15 14.8 2.6 | 236 13 10.5 7.0 13 50 19420 265 17 16.9 1.5 | 245 14 12.7 5.9 Wind Parameters Mean winds (0-6000m): 285.9 at 8.2 knts Storm direction: 315.9 at 6.1 knts Shear (0-3000m) pos: 1.2 neg: 2.4 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 112.5 deg Storm rel helicity (0-3000m) pos: 2.8 neg: -18.6 tot: -15.8 m^2/s^2 ave: -5.3 10^-3 m/s^2 rel: -0.38 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.78 Bulk Shear: 19.27 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 94 4 120 9| 7.0 0.0 7.0| 2.7 -6.8 -4.1 -8.3 -0.31| 9.1 -2.8 1000 72 5 108 9| 3.5 4.0 7.5| 2.7 -17.7 -15.0 -15.0 -0.42| 8.9 -3.7 1500 43 5 95 8| 2.3 3.4 5.7| 2.7 -18.1 -15.4 -10.3 -0.39| 6.8 -2.7 2000 15 5 83 6| 1.7 3.0 4.7| 2.7 -18.4 -15.7 -7.8 -0.39| 5.7 -2.2 2500 351 6 72 4| 1.4 2.7 4.1| 2.7 -18.6 -15.9 -6.4 -0.40| 5.0 -2.0 3000 335 6 63 2| 1.2 2.4 3.6| 2.8 -18.6 -15.8 -5.3 -0.38| 4.4 -1.6 4000 313 7 277 1| 0.9 2.1 2.9| 2.9 -18.8 -15.9 -4.0 -0.35| 3.6 -1.2 5000 298 7 248 2| 0.7 1.8 2.5| 2.9 -20.7 -17.8 -3.6 -0.35| 3.2 -1.1 6000 286 8 239 4| 0.6 1.6 2.2| 2.9 -30.1 -27.2 -4.5 -0.40| 3.1 -1.2 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251205.12.gif