UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 6 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 123 140 1 SFC 991 188 -29.9 -34.7 63 4.8 -30.2 140 1 243.9 243.9 243.6 244.4 0.20 2 975 305 -27.7 -31.9 67 4.2 -28.0 132 2 247.2 247.3 246.8 248.0 0.27 3 942 553 -28.3 -32.5 67 4.2 -28.6 114 5 249.1 249.1 248.4 249.8 0.26 4 925 685 -25.9 -29.7 70 3.8 -26.2 105 7 252.8 252.9 251.9 253.8 0.35 5 888 982 -20.5 -23.3 78 2.8 -20.9 161 8 261.4 261.5 259.6 263.2 0.66 6 864 1184 -19.9 -22.7 78 2.8 -20.3 198 9 264.1 264.2 261.8 266.1 0.71 7 850 1305 -20.1 -22.9 78 2.8 -20.5 220 9 265.1 265.2 262.6 267.1 0.71 8 768 2054 -22.3 -25.1 78 2.8 -22.7 223 13 270.5 270.6 266.3 272.4 0.65 9 700 2731 -25.1 -28.0 77 2.9 -25.5 225 17 274.7 274.8 268.8 276.3 0.55 10 632 3464 -28.3 -31.0 78 2.7 -28.6 216 15 279.2 279.3 271.5 280.6 0.46 11 561 4300 -36.9 -39.7 75 2.8 -37.1 205 12 278.7 278.8 270.8 279.4 0.22 12 500 5080 -44.3 -47.5 70 3.2 -44.4 195 9 279.0 279.0 270.8 279.4 0.10 13 419 6242 -53.7 -57.1 66 3.4 -53.8 199 12 281.4 281.4 272.1 281.6 0.04 14 400 6540 -55.3 -58.7 66 3.4 -55.4 200 13 283.1 283.1 273.0 283.2 0.03 15 348 7416 -58.9 -62.4 64 3.5 -58.9 195 7 289.8 289.8 276.6 289.8 0.02 16 346 7452 -59.1 -62.6 64 3.5 -59.2 195 7 290.0 290.0 276.7 290.0 0.02 17 300 8340 -60.1 -63.6 63 3.5 -60.2 275 3 300.6 300.6 281.6 300.7 0.02 18 277 8843 -60.7 -64.1 64 3.4 -60.7 273 4 306.7 306.7 284.1 306.8 0.02 19 250 9490 -58.9 -62.5 63 3.6 -59.0 270 5 318.5 318.5 288.3 318.6 0.03 20 200 10890 -57.7 -61.4 63 3.7 -57.8 275 7 341.4 341.4 294.7 341.6 0.05 21 152 12626 -57.3 -61.4 60 4.1 -57.4 304 9 370.0 370.0 300.6 370.2 0.06 22 150 12710 -57.5 -61.6 59 4.1 -57.6 305 9 371.0 371.0 300.8 371.3 0.06 23 101 15178 -60.7 -64.9 58 4.2 -60.8 300 9 409.3 409.3 306.5 409.6 0.06 24 100 15240 -60.9 -65.1 57 4.2 -61.0 300 9 410.1 410.1 306.6 410.4 0.06 25 70 17440 -65.1 -69.6 54 4.5 -65.2 265 17 445.1 445.1 310.4 445.4 0.05 26 50 19470 -68.3 -73.2 49 4.9 -68.4 255 31 482.5 482.5 313.7 482.8 0.04 27 34 21772 -70.5 -75.1 51 4.6 -70.6 533.0 533.0 317.1 533.3 0.04 TRP 346 7452 -59.1 -62.6 64 3.5 -59.2 195 7 290.0 290.0 276.7 290.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4957.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 75.32 % Est. max temperature: -8.18 C = 17.27 F Sfc-Lift cond lev (LCL): 913.44 mb = 776.62 m = 2547.94 ft T: -24.24 C 700-500 lapse rate: 8.17 C/km Conv cond level (CCL): 991.00 mb = 187.73 m = 615.89 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -29.09 C = -20.36 F Cap Strength: 23.77 C Lifted Index: 22.01 C Risk: None Lifted Index @300 mb: 34.30 C Lifted Index @700 mb: 20.52 C Showalter Index: 9.91 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 21.40 C K Index: -1.60 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.81 J/kg Max Up Vert Vel: 10.85 m/s Conv Inhibition (B-): 46507.00 J/kg Cap Strength: 23.74 C Lift Cond Lev (LCL): 888.66 mb = 976.97 m = 3205.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 240 at 8 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 ---------------------------------------------------------- 0 991 188 140 1 -0.6 0.8 | 67 9 -8.0 -3.4 1 925 685 105 7 -6.8 1.8 | 80 14 -14.1 -2.4 2 850 1305 220 9 5.8 6.9 | 150 3 -1.6 2.7 3 700 2731 225 17 12.0 12.0 | 211 9 4.7 7.8 4 500 5080 195 9 2.3 8.7 | 132 7 -5.0 4.5 5 400 6540 200 13 4.4 12.2 | 160 9 -2.9 8.0 6 346 7452 195 7 1.8 6.8 | 115 6 -5.5 2.6 7 300 8340 275 3 3.0 -0.3 | 45 6 -4.4 -4.4 8 250 9490 270 5 5.0 -0.0 | 29 5 -2.4 -4.2 9 200 10890 275 7 7.0 -0.6 | 5 5 -0.4 -4.8 10 150 12710 305 9 7.4 -5.2 | 360 9 0.0 -9.3 11 100 15240 300 9 7.8 -4.5 | 357 9 0.4 -8.7 12 70 17440 265 17 16.9 1.5 | 286 10 9.6 -2.7 13 50 19470 255 31 29.9 8.0 | 260 23 22.6 3.8 Wind Parameters Mean winds (0-6000m): 210.4 at 11.3 knts Storm direction: 240.4 at 8.5 knts Shear (0-3000m) pos: 3.6 neg: 1.4 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 130.2 deg Storm rel helicity (0-3000m) pos: 42.6 neg: -4.7 tot: 37.9 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.76 Bulk Shear: 21.33 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 ------------------------------------------------------------------------------- 500 109 4 76 12| 0.0 6.4 6.4| 6.3 -0.3 6.0 12.1 0.36| 6.7 2.4 1000 137 6 91 11| 5.8 3.2 9.0| 33.9 -0.3 33.6 33.6 0.61| 9.9 6.0 1500 182 7 112 8| 5.3 2.1 7.5| 37.5 -0.3 37.2 24.8 0.62| 8.4 5.2 2000 202 8 131 6| 4.7 1.6 6.3| 39.9 -0.3 39.6 19.8 0.62| 7.1 4.3 2500 211 10 152 5| 4.3 1.3 5.6| 42.6 -0.3 42.3 16.9 0.60| 6.2 3.8 3000 215 11 166 5| 3.6 1.4 5.0| 42.6 -4.7 37.9 12.6 0.50| 5.6 2.8 4000 215 12 172 5| 2.7 1.6 4.3| 42.6 -13.3 29.3 7.3 0.32| 4.8 1.5 5000 213 11 169 5| 2.2 1.6 3.8| 43.1 -19.9 23.2 4.6 0.21| 4.2 0.9 6000 210 11 163 6| 2.0 1.3 3.4| 48.0 -19.9 28.2 4.7 0.25| 3.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251206.12.gif