UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112912.upa.cvt Date: 1200Z 29 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 29 NOV 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 244 SFC 932 741 -33.3 -35.7 79 2.4 -33.4 20 1 244.7 244.8 244.3 245.3 0.20 2 925 794 -32.9 -36.6 69 3.7 -33.1 345 7 245.7 245.7 245.2 246.2 0.18 3 899 996 -31.9 -35.4 71 3.5 -32.1 39 8 248.7 248.7 248.0 249.3 0.21 4 850 1402 -23.3 -26.7 74 3.4 -23.7 145 11 261.7 261.8 259.6 263.2 0.51 5 806 1793 -16.3 -19.3 78 3.0 -16.9 150 13 273.2 273.4 268.7 276.1 1.03 6 759 2239 -18.3 -21.2 78 2.9 -18.8 157 14 275.8 275.9 270.2 278.5 0.93 7 700 2833 -22.7 -25.5 78 2.8 -23.1 165 17 277.3 277.5 270.8 279.4 0.69 8 615 3774 -29.5 -32.5 75 3.0 -29.8 180 24 280.0 280.1 271.9 281.3 0.41 9 531 4818 -33.3 -36.4 74 3.1 -33.6 198 32 287.5 287.5 275.9 288.5 0.32 10 500 5240 -35.9 -39.0 73 3.1 -36.1 205 35 289.3 289.3 276.7 290.1 0.26 11 436 6174 -41.3 -44.3 73 3.0 -41.5 208 48 294.0 294.0 278.9 294.6 0.17 12 400 6750 -46.1 -49.1 71 3.0 -46.2 210 56 295.1 295.1 279.3 295.5 0.11 13 388 6952 -48.1 -51.1 71 3.0 -48.2 210 58 295.0 295.1 279.3 295.4 0.09 14 353 7572 -51.5 -54.5 70 3.0 -51.6 210 64 298.5 298.6 280.8 298.8 0.07 15 300 8610 -60.1 -63.4 65 3.3 -60.2 210 75 300.6 300.6 281.6 300.7 0.03 16 293 8758 -61.1 -64.4 65 3.3 -61.1 210 81 301.3 301.3 281.9 301.4 0.02 17 264 9404 -65.3 -68.6 63 3.3 -65.3 210 71 304.2 304.2 283.1 304.3 0.01 18 250 9740 -62.5 -65.6 66 3.1 -62.5 210 60 313.1 313.2 286.5 313.2 0.02 19 218 10584 -59.5 -62.9 64 3.4 -59.6 201 46 330.3 330.3 291.8 330.4 0.04 20 200 11120 -59.1 -62.6 64 3.5 -59.2 195 38 339.2 339.2 294.1 339.3 0.04 21 150 12930 -58.7 -62.2 64 3.5 -58.8 195 31 368.9 369.0 300.4 369.2 0.06 22 103 15293 -56.5 -59.9 65 3.4 -56.6 190 35 415.0 415.1 307.2 415.6 0.12 23 100 15480 -56.7 -60.0 66 3.3 -56.9 190 35 418.2 418.2 307.6 418.8 0.12 24 83 16664 -58.3 -62.0 62 3.7 -58.5 187 40 437.8 437.8 309.7 438.4 0.11 25 70 17750 -55.1 -58.9 63 3.8 -55.4 185 44 466.5 466.6 312.4 467.6 0.19 26 54 19414 -53.3 -57.2 62 3.9 -53.7 506.6 506.7 315.5 508.5 0.31 TRP 264 9404 -65.3 -68.6 63 3.3 -65.3 210 71 304.2 304.2 283.1 304.3 0.01 WND 293 8758 -61.1 -64.4 65 3.3 -61.1 210 81 301.3 301.3 281.9 301.4 0.02 Sounding variables and indices 1000-500 mb thick: 4996.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 75.23 % Est. max temperature: -4.14 C = 24.55 F Sfc-Lift cond lev (LCL): 894.58 mb = 1032.04 m = 3385.93 ft T: -31.14 C 700-500 lapse rate: 5.48 C/km Conv cond level (CCL): 932.00 mb = 740.78 m = 2430.36 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -29.69 C = -21.45 F Cap Strength: 26.97 C Lifted Index: 28.01 C Risk: None Lifted Index @300 mb: 32.22 C Lifted Index @700 mb: 20.35 C Showalter Index: 21.50 C Risk: None Total Totals Index: 21.80 C Risk: None Vertical Totals Index: 12.60 C Cross Totals Index: 9.20 C K Index: -16.90 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 5.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.45 J/kg Max Up Vert Vel: 12.28 m/s Conv Inhibition (B-): 39510.87 J/kg Cap Strength: 27.73 C Lift Cond Lev (LCL): 847.70 mb = 1421.94 m = 4665.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 225 at 20 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 ---------------------------------------------------------- 0 932 741 20 1 -0.3 -0.9 | 44 21 -14.4 -14.9 1 925 794 345 7 1.8 -6.8 | 30 24 -12.2 -20.8 2 850 1402 145 11 -6.3 9.0 | 76 21 -20.4 -5.0 3 700 2833 165 17 -4.4 16.4 | 97 19 -18.4 2.4 4 500 5240 205 35 14.8 31.7 | 182 18 0.7 17.7 5 400 6750 210 56 28.0 48.5 | 202 37 14.0 34.5 6 300 8610 210 75 37.5 65.0 | 205 56 23.5 50.9 7 293 8758 210 81 40.5 70.1 | 205 62 26.5 56.1 8 264 9404 210 71 35.5 61.5 | 204 52 21.5 47.5 9 250 9740 210 60 30.0 52.0 | 203 41 16.0 38.0 10 200 11120 195 38 9.8 36.7 | 170 23 -4.2 22.7 11 150 12930 195 31 8.0 29.9 | 159 17 -6.0 15.9 12 100 15480 190 35 6.1 34.5 | 159 22 -8.0 20.5 13 70 17750 185 44 3.8 43.8 | 161 32 -10.2 29.8 Wind Parameters Mean winds (0-6000m): 195.1 at 26.4 knts Storm direction: 225.1 at 19.8 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 81.0 deg Storm rel helicity (0-3000m) pos: 220.4 neg: -26.9 tot: 193.5 m^2/s^2 ave: 64.5 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 5.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.52 Bulk Shear: 144.21 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 54 8 48 28| 10.1 0.0 10.1|107.5 -26.9 80.6 161.1 0.46| 23.0 10.6 1000 137 10 71 22| 6.7 0.0 6.7|150.6 -26.9 123.7 123.7 0.54| 16.4 8.9 1500 147 11 76 21| 5.2 0.0 5.2|164.2 -26.9 137.3 91.5 0.58| 11.8 6.8 2000 153 12 80 20| 4.5 0.0 4.5|177.7 -26.9 150.8 75.4 0.60| 9.6 5.8 2500 158 13 85 19| 4.3 0.0 4.3|198.0 -26.9 171.1 68.4 0.64| 8.6 5.5 3000 163 15 90 18| 4.2 0.0 4.2|220.4 -26.9 193.5 64.5 0.68| 8.0 5.4 4000 176 18 104 16| 4.1 0.0 4.1|268.6 -26.9 241.7 60.4 0.74| 7.4 5.5 5000 187 22 123 13| 4.4 0.0 4.4|313.6 -26.9 286.7 57.3 0.73| 7.3 5.3 6000 195 26 148 14| 4.9 0.0 4.9|357.3 -26.9 330.4 55.1 0.67| 7.3 4.9 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251129.12.gif