UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 4 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 10 SFC 976 189 -21.9 -26.4 67 4.5 -22.4 5 11 253.0 253.1 252.3 254.2 0.45 2 971 226 -22.3 -26.8 67 4.5 -22.8 356 11 253.0 253.0 252.3 254.2 0.44 3 925 588 -14.9 -17.7 79 2.8 -15.4 275 7 264.1 264.2 262.4 266.9 1.03 4 914 678 -13.1 -15.2 84 2.1 -13.6 279 9 266.8 267.0 264.9 270.4 1.28 5 850 1225 -17.3 -19.8 81 2.5 -17.7 300 23 268.0 268.2 265.1 270.7 0.93 6 805 1631 -19.9 -22.3 81 2.4 -20.3 300 26 269.5 269.6 265.8 271.7 0.79 7 790 1771 -17.5 -19.6 84 2.1 -17.9 300 28 273.5 273.6 268.9 276.4 1.02 8 789 1781 -17.7 -19.8 84 2.1 -18.1 300 28 273.4 273.5 268.8 276.3 1.01 9 700 2668 -22.7 -27.3 66 4.6 -23.4 300 35 277.3 277.4 270.6 279.1 0.58 10 694 2731 -22.9 -27.6 65 4.7 -23.5 300 35 277.8 277.9 270.8 279.5 0.57 11 650 3207 -27.7 -32.7 62 5.0 -28.2 297 36 277.6 277.7 270.4 278.8 0.38 12 560 4269 -31.9 -37.9 55 6.0 -32.4 290 38 284.8 284.8 274.3 285.6 0.26 13 523 4749 -35.5 -42.5 49 7.0 -35.9 287 39 286.1 286.1 274.9 286.6 0.17 14 500 5060 -37.9 -43.9 53 6.0 -38.2 285 40 286.8 286.9 275.3 287.3 0.16 15 422 6206 -46.7 -52.7 50 6.0 -46.9 277 45 289.8 289.8 276.7 290.1 0.07 16 400 6560 -48.5 -54.5 50 6.0 -48.7 275 46 292.0 292.0 277.7 292.2 0.06 17 354 7349 -53.9 -59.9 48 6.0 -54.0 279 45 295.1 295.1 279.1 295.2 0.03 18 300 8400 -56.3 -62.3 47 6.0 -56.4 285 44 306.0 306.0 283.8 306.1 0.03 19 268 9119 -58.7 -64.7 46 6.0 -58.7 280 46 312.5 312.5 286.2 312.6 0.02 20 250 9560 -58.1 -64.1 46 6.0 -58.2 280 46 319.7 319.7 288.7 319.8 0.03 21 200 10970 -56.9 -62.9 47 6.0 -57.0 280 40 342.7 342.7 295.0 342.8 0.04 22 197 11065 -56.7 -62.7 47 6.0 -56.8 281 40 344.5 344.5 295.4 344.6 0.04 23 150 12780 -58.9 -66.9 35 8.0 -59.0 290 31 368.6 368.6 300.4 368.7 0.03 24 100 15300 -63.1 -72.1 29 9.0 -63.3 300 33 405.8 405.8 306.0 405.9 0.02 25 70 17470 -68.5 -78.5 22 10.0 -68.6 285 35 437.8 437.8 309.7 437.9 0.01 26 67 17732 -69.3 -79.3 22 10.0 -69.4 285 34 441.6 441.6 310.0 441.7 0.01 27 50 19470 -71.1 -81.1 21 10.0 -71.2 285 31 475.9 475.9 313.1 476.0 0.01 28 33 21917 -73.1 -83.1 20 10.0 -73.2 530.7 530.7 317.0 530.8 0.01 TRP 268 9119 -58.7 -64.7 46 6.0 -58.7 280 46 312.5 312.5 286.2 312.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5050.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 67.62 % Est. max temperature: -6.23 C = 20.79 F Sfc-Lift cond lev (LCL): 905.77 mb = 746.54 m = 2449.24 ft T: -13.62 C 700-500 lapse rate: 6.35 C/km ThetaE index: 0.16 C Layer 789.0- 700.0 mb Conv cond level (CCL): 976.00 mb = 188.65 m = 618.92 ft Mean mixing ratio: 0.94 g/kg Conv temperature: -18.13 C = -0.63 F Cap Strength: 17.62 C Lifted Index: 17.98 C Risk: None Lifted Index @300 mb: 29.05 C Lifted Index @700 mb: 11.91 C Showalter Index: 13.44 C Risk: None Total Totals Index: 38.70 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 18.10 C K Index: -3.80 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 3.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.86 J/kg Max Up Vert Vel: 11.65 m/s Conv Inhibition (B-): 39880.84 J/kg Cap Strength: 17.97 C Lift Cond Lev (LCL): 891.56 mb = 865.62 m = 2839.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 at 24 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 ---------------------------------------------------------- 0 976 189 5 11 -1.0 -11.0 | 116 18 -16.1 8.0 1 925 588 275 7 7.0 -0.6 | 156 20 -8.1 18.4 2 850 1225 300 23 19.9 -11.5 | 213 9 4.8 7.5 3 700 2668 300 35 30.3 -17.5 | 265 15 15.2 1.5 4 500 5060 285 40 38.6 -10.4 | 250 25 23.5 8.6 5 400 6560 275 46 45.8 -4.0 | 244 34 30.7 15.0 6 300 8400 285 44 42.5 -11.4 | 255 28 27.4 7.6 7 268 9119 280 46 45.3 -8.0 | 250 32 30.2 11.0 8 250 9560 280 46 45.3 -8.0 | 250 32 30.2 11.0 9 200 10970 280 40 39.4 -6.9 | 244 27 24.3 12.0 10 150 12780 290 31 29.1 -10.6 | 239 16 14.0 8.4 11 100 15300 300 33 28.6 -16.5 | 260 14 13.5 2.5 12 70 17470 285 35 33.8 -9.1 | 242 21 18.7 9.9 13 50 19470 285 31 29.9 -8.0 | 234 18 14.8 10.9 Wind Parameters Mean winds (0-6000m): 291.5 at 32.3 knts Storm direction: 321.5 at 24.2 knts Shear (0-3000m) pos: 3.1 neg: 3.5 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 144.5 deg Storm rel helicity (0-3000m) pos: 125.6 neg: -4.2 tot: 121.4 m^2/s^2 ave: 40.5 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 5.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.82 Bulk Shear: 82.38 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 ------------------------------------------------------------------------------- 500 320 9 142 15| 0.0 14.5 14.5| 57.9 0.0 57.9 115.8 0.77| 17.7 13.6 1000 302 12 159 13| 6.9 7.2 14.2| 95.3 0.0 95.3 95.3 0.76| 15.9 12.1 1500 301 16 174 11| 6.3 4.8 11.1|106.7 0.0 106.7 71.1 0.79| 12.3 9.7 2000 301 19 190 9| 4.7 4.1 8.8|116.4 0.0 116.4 58.2 0.79| 10.3 8.1 2500 300 22 208 9| 3.8 3.8 7.5|125.6 0.0 125.6 50.3 0.78| 9.1 7.0 3000 300 24 221 9| 3.1 3.5 6.6|125.6 -4.2 121.4 40.5 0.72| 7.9 5.7 4000 298 28 237 11| 2.4 3.2 5.5|125.6 -14.9 110.8 27.7 0.61| 6.5 4.0 5000 295 30 243 14| 1.9 3.0 4.9|125.6 -28.4 97.2 19.4 0.52| 5.7 3.0 6000 291 32 245 17| 1.6 3.1 4.6|125.6 -43.3 82.3 13.7 0.43| 5.3 2.3 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251204.00.gif