UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 11 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 142 340 1 SFC 993 190 -41.9 -46.9 58 5.0 -42.0 340 1 231.7 231.7 231.6 231.9 0.06 2 925 684 -28.7 -32.9 67 4.2 -29.0 280 5 250.0 250.0 249.2 250.7 0.26 3 921 715 -28.1 -32.3 67 4.2 -28.4 281 5 250.9 250.9 250.1 251.7 0.28 4 886 991 -25.5 -29.2 71 3.7 -25.8 293 9 256.4 256.4 255.0 257.5 0.38 5 850 1288 -25.7 -29.3 72 3.6 -26.1 305 13 259.2 259.3 257.3 260.4 0.40 6 830 1461 -25.7 -29.3 72 3.6 -26.1 306 14 261.0 261.1 258.8 262.2 0.41 7 805 1683 -27.7 -31.2 72 3.5 -28.0 306 16 261.2 261.2 258.8 262.2 0.35 8 780 1911 -28.1 -31.6 72 3.5 -28.4 307 18 263.1 263.2 260.3 264.1 0.35 9 700 2687 -30.7 -35.0 66 4.3 -31.0 310 25 268.5 268.5 264.1 269.3 0.28 10 697 2717 -30.9 -35.3 65 4.4 -31.2 310 25 268.6 268.6 264.2 269.4 0.27 11 500 5010 -43.7 -48.4 60 4.7 -43.9 305 35 279.8 279.8 271.2 280.1 0.09 12 446 5764 -48.7 -53.4 58 4.7 -48.8 305 38 282.8 282.8 272.9 283.0 0.06 13 400 6470 -51.9 -56.6 57 4.7 -52.0 305 40 287.5 287.5 275.5 287.7 0.05 14 310 8103 -58.9 -63.8 53 4.9 -59.0 310 38 299.5 299.5 281.1 299.6 0.02 15 300 8310 -58.7 -63.7 52 5.0 -58.7 305 38 302.6 302.6 282.5 302.7 0.02 16 250 9460 -58.1 -63.1 53 5.0 -58.2 315 38 319.7 319.7 288.7 319.8 0.03 17 203 10767 -58.3 -64.3 46 6.0 -58.4 315 35 339.0 339.0 294.1 339.1 0.03 18 200 10860 -58.7 -64.7 46 6.0 -58.8 315 35 339.8 339.8 294.3 339.9 0.03 19 150 12660 -61.1 -68.1 39 7.0 -61.2 300 23 364.8 364.8 299.7 364.9 0.03 20 100 15150 -64.7 -72.7 32 8.0 -64.8 295 19 402.7 402.7 305.6 402.8 0.02 21 70 17300 -68.1 -77.1 26 9.0 -68.2 280 15 438.7 438.7 309.7 438.8 0.02 22 52 19071 -71.3 -80.3 25 9.0 -71.4 470.2 470.2 312.7 470.2 0.01 TRP 310 8103 -58.9 -63.8 53 4.9 -59.0 310 38 299.5 299.5 281.1 299.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 4868.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 65.61 % Est. max temperature: -13.83 C = 7.10 F Sfc-Lift cond lev (LCL): 908.71 mb = 810.41 m = 2658.79 ft T: -27.20 C 700-500 lapse rate: 5.60 C/km ThetaE index: 0.00 C Layer 993.0- -0.0 mb Conv cond level (CCL): 993.00 mb = 189.60 m = 622.04 ft Mean mixing ratio: 0.21 g/kg Conv temperature: -34.37 C = -29.87 F Cap Strength: 21.05 C Lifted Index: 28.23 C Risk: None Lifted Index @300 mb: 40.57 C Lifted Index @700 mb: 21.02 C Showalter Index: 15.99 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 14.40 C K Index: -15.60 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 4.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 81.33 J/kg Max Up Vert Vel: 12.75 m/s Conv Inhibition (B-): 40957.72 J/kg Cap Strength: 28.04 C Lift Cond Lev (LCL): 904.40 mb = 844.32 m = 2770.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 19 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 ---------------------------------------------------------- 0 993 190 340 1 0.3 -0.9 | 156 18 -7.1 16.0 1 925 684 280 5 4.9 -0.9 | 171 16 -2.6 16.1 2 850 1288 305 13 10.6 -7.5 | 199 10 3.2 9.5 3 700 2687 310 25 19.2 -16.1 | 266 12 11.7 0.9 4 500 5010 305 35 28.7 -20.1 | 278 21 21.2 -3.1 5 400 6470 305 40 32.8 -22.9 | 283 26 25.3 -6.0 6 310 8103 310 38 29.1 -24.4 | 289 23 21.6 -7.5 7 300 8310 305 38 31.1 -21.8 | 282 24 23.7 -4.9 8 250 9460 315 38 26.9 -26.9 | 297 22 19.4 -9.9 9 200 10860 315 35 24.7 -24.7 | 294 19 17.3 -7.8 10 150 12660 300 23 19.9 -11.5 | 246 14 12.4 5.4 11 100 15150 295 19 17.2 -8.0 | 228 13 9.7 8.9 12 70 17300 280 15 14.8 -2.6 | 207 16 7.3 14.3 Wind Parameters Mean winds (0-6000m): 306.2 at 24.7 knts Storm direction: 336.2 at 18.5 knts Shear (0-3000m) pos: 3.6 neg: 1.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 114.6 deg Storm rel helicity (0-3000m) pos: 73.5 neg: 0.0 tot: 73.5 m^2/s^2 ave: 24.5 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 4.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.29 Bulk Shear: 62.95 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 ------------------------------------------------------------------------------- 500 289 3 164 17| 0.0 4.8 4.8| 18.1 0.0 18.1 36.3 0.82| 5.3 4.4 1000 293 6 171 15| 3.7 2.4 6.1| 37.6 0.0 37.6 37.6 0.76| 6.4 4.9 1500 301 8 179 13| 4.1 1.6 5.7| 48.8 0.0 48.8 32.5 0.79| 6.0 4.8 2000 304 11 188 11| 4.2 1.2 5.4| 59.3 0.0 59.3 29.7 0.83| 5.6 4.7 2500 306 13 200 10| 4.3 1.0 5.2| 70.0 0.0 70.0 28.0 0.84| 5.4 4.5 3000 307 15 212 9| 3.6 1.1 4.7| 73.5 0.0 73.5 24.5 0.81| 4.9 4.0 4000 307 19 234 9| 2.7 1.4 4.1| 79.7 0.0 79.7 19.9 0.75| 4.2 3.2 5000 307 22 249 11| 2.1 1.6 3.7| 85.3 0.0 85.3 17.1 0.69| 3.8 2.6 6000 306 25 259 13| 1.8 1.6 3.4| 94.0 0.0 94.0 15.7 0.67| 3.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251211.12.gif