UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U4266... Searching the city database file for: U4266 ... Date:1200Z 4 DEC 25 Station: U4266 WMO ident: 24266 Latitude: 67.55 Longitude: 133.38 ------------------------------------------------------------------------------- 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 117 235 3 SFC 997 137 -46.1 -50.8 59 4.7 -46.2 235 3 227.2 227.3 227.2 227.3 0.04 2 989 191 -46.3 -52.3 51 6.0 -46.4 219 3 227.6 227.6 227.5 227.7 0.03 3 974 293 -43.1 -49.1 52 6.0 -43.2 188 2 231.8 231.8 231.6 231.9 0.04 4 967 342 -40.3 -46.3 53 6.0 -40.4 174 2 235.1 235.1 234.9 235.3 0.06 5 963 371 -36.5 -42.5 54 6.0 -36.7 166 2 239.2 239.2 238.9 239.5 0.09 6 925 657 -25.3 -31.3 57 6.0 -25.8 85 1 253.4 253.5 252.4 254.3 0.30 7 861 1179 -24.1 -28.7 66 4.6 -24.6 77 4 259.9 260.0 258.0 261.1 0.42 8 850 1273 -22.9 -27.5 66 4.6 -23.4 75 5 262.2 262.2 259.8 263.5 0.47 9 832 1430 -21.5 -25.7 69 4.2 -22.1 84 6 265.2 265.3 262.4 266.9 0.57 10 821 1529 -19.5 -23.7 69 4.2 -20.1 90 6 268.4 268.5 264.8 270.3 0.69 11 742 2277 -21.7 -25.2 73 3.5 -22.2 134 9 273.9 274.0 268.5 275.8 0.66 12 700 2703 -24.5 -28.1 72 3.6 -24.9 160 11 275.4 275.4 269.3 277.0 0.54 13 616 3623 -30.5 -34.0 71 3.5 -30.8 137 11 278.7 278.8 271.0 279.8 0.35 14 599 3821 -31.9 -35.3 72 3.4 -32.2 132 11 279.3 279.4 271.3 280.3 0.32 15 500 5070 -42.3 -45.9 68 3.6 -42.5 100 11 281.5 281.5 272.2 281.9 0.13 16 419 6240 -51.5 -55.0 66 3.5 -51.5 92 11 284.3 284.3 273.7 284.4 0.05 17 400 6540 -52.9 -56.7 63 3.8 -52.9 90 11 286.2 286.2 274.8 286.4 0.04 18 315 8055 -59.9 -64.0 59 4.1 -59.9 85 11 296.7 296.7 279.9 296.8 0.02 19 300 8360 -59.3 -63.5 58 4.2 -59.3 90 9 301.8 301.8 282.1 301.8 0.02 20 274 8926 -59.7 -63.9 58 4.2 -59.7 120 10 309.1 309.1 285.0 309.2 0.03 21 250 9500 -58.3 -62.7 57 4.4 -58.3 150 11 319.4 319.4 288.6 319.5 0.03 22 200 10910 -57.7 -62.5 54 4.8 -57.8 170 21 341.4 341.4 294.7 341.6 0.04 23 169 11971 -57.9 -62.9 53 5.0 -58.0 173 20 357.9 357.9 298.3 358.1 0.05 24 150 12720 -59.1 -64.1 52 5.0 -59.2 175 19 368.3 368.3 300.3 368.5 0.05 25 100 15240 -61.7 -68.7 39 7.0 -61.9 200 21 408.5 408.5 306.3 408.7 0.04 26 70 17430 -62.5 -70.5 33 8.0 -62.7 200 25 450.7 450.7 311.0 450.9 0.04 27 57 18689 -65.3 -74.3 28 9.0 -65.5 200 33 471.6 471.6 312.8 471.8 0.03 28 50 19490 -63.7 -73.7 24 10.0 -64.0 200 38 493.4 493.4 314.5 493.6 0.04 29 46 20002 -62.1 -72.1 25 10.0 -62.4 198 41 509.1 509.2 315.6 509.4 0.05 30 30 22640 -61.9 -73.9 19 12.0 -62.5 190 54 575.9 575.9 319.5 576.3 0.06 31 24 24019 -62.3 -74.3 19 12.0 -63.0 612.7 612.7 321.2 613.2 0.07 TRP 315 8055 -59.9 -64.0 59 4.1 -59.9 85 11 296.7 296.7 279.9 296.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 4953.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 67.93 % Est. max temperature: -10.71 C = 12.72 F Sfc-Lift cond lev (LCL): 915.83 mb = 729.51 m = 2393.38 ft T: -25.13 C 700-500 lapse rate: 7.52 C/km ThetaE index: 0.00 C Layer 997.0--13503016538810089472.0 mb Conv cond level (CCL): 997.00 mb = 137.03 m = 449.56 ft Mean mixing ratio: 0.18 g/kg Conv temperature: -35.58 C = -32.05 F Cap Strength: 30.37 C Lifted Index: 30.57 C Risk: None Lifted Index @300 mb: 40.76 C Lifted Index @700 mb: 28.21 C Showalter Index: 14.81 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 14.80 C K Index: -11.70 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 4.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 127.95 J/kg Max Up Vert Vel: 16.00 m/s Conv Inhibition (B-): 55631.40 J/kg Cap Strength: 30.58 C Lift Cond Lev (LCL): 901.42 mb = 845.00 m = 2772.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 151 at 7 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 ---------------------------------------------------------- 0 997 137 235 3 2.5 1.7 | 305 7 5.6 -4.0 1 925 657 85 1 -1.0 -0.1 | 340 6 2.2 -5.8 2 850 1273 75 5 -4.8 -1.3 | 13 7 -1.7 -7.0 3 700 2703 160 11 -3.8 10.3 | 173 5 -0.6 4.6 4 500 5070 100 11 -10.8 1.9 | 64 9 -7.7 -3.8 5 400 6540 90 11 -11.0 0.0 | 54 10 -7.8 -5.7 6 315 8055 85 11 -11.0 -1.0 | 49 10 -7.8 -6.7 7 300 8360 90 9 -9.0 0.0 | 46 8 -5.8 -5.7 8 250 9500 150 11 -5.5 9.5 | 148 4 -2.3 3.8 9 200 10910 170 21 -3.6 20.7 | 178 15 -0.5 15.0 10 150 12720 175 19 -1.7 18.9 | 186 13 1.5 13.2 11 100 15240 200 21 7.2 19.7 | 216 17 10.3 14.0 12 70 17430 200 25 8.6 23.5 | 213 21 11.7 17.8 13 50 19490 200 38 13.0 35.7 | 208 34 16.2 30.0 14 30 22640 190 54 9.4 53.2 | 195 49 12.5 47.5 Wind Parameters Mean winds (0-6000m): 121.1 at 8.7 knts Storm direction: 151.1 at 6.5 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): -159.5 deg Storm rel helicity (0-3000m) pos: 24.9 neg: -2.3 tot: 22.6 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 11.03 Bulk Shear: 11.60 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 ------------------------------------------------------------------------------- 500 223 2 313 6| 0.0 4.0 4.0| 4.0 0.0 4.0 7.9 0.55| 5.6 3.1 1000 105 2 349 5| 0.0 3.6 3.6| 8.9 0.0 8.9 8.9 0.70| 4.4 3.1 1500 89 3 1 6| 1.0 2.4 3.4| 14.3 0.0 14.3 9.5 0.76| 4.1 3.1 2000 104 4 12 5| 1.7 1.8 3.5| 19.3 0.0 19.3 9.6 0.79| 4.2 3.3 2500 127 5 25 3| 2.2 1.4 3.6| 24.3 0.0 24.3 9.7 0.83| 4.5 3.8 3000 138 6 44 2| 1.8 1.4 3.3| 24.9 -2.3 22.6 7.5 0.69| 4.2 2.9 4000 137 7 82 2| 1.4 1.7 3.0| 24.9 -8.4 16.5 4.1 0.42| 3.8 1.6 5000 130 8 81 3| 1.1 1.7 2.8| 24.9 -15.7 9.2 1.8 0.25| 3.5 0.9 6000 121 9 74 4| 0.9 1.5 2.4| 24.9 -18.2 6.7 1.1 0.21| 3.0 0.6 Wrote GIF file: /home/apache/climate/data/raob//U4266/skewt/U4266.skewt.20251204.12.gif