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 U4908... Searching the city database file for: U4908 ... Date:1200Z 4 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 19 SFC 970 256 -7.5 -7.9 97 0.4 -7.6 190 1 268.0 268.3 267.3 273.8 2.17 2 925 625 -9.7 -12.2 82 2.5 -10.4 245 21 269.4 269.7 267.3 273.9 1.62 3 856 1218 -14.1 -16.8 80 2.7 -14.7 240 19 270.8 271.0 267.5 274.2 1.20 4 850 1271 -14.5 -17.3 79 2.8 -15.1 240 19 271.0 271.1 267.5 274.2 1.16 5 800 1729 -16.3 -19.1 79 2.8 -16.9 249 18 273.8 274.0 269.2 276.8 1.05 6 750 2215 -16.3 -19.0 80 2.7 -16.9 259 18 278.9 279.1 272.4 282.2 1.13 7 700 2731 -19.3 -22.1 78 2.8 -19.8 270 17 281.1 281.3 273.4 283.9 0.93 8 575 4173 -27.5 -30.3 77 2.8 -27.9 267 35 287.8 287.9 276.4 289.5 0.53 9 566 4287 -27.1 -30.0 76 2.9 -27.5 267 37 289.5 289.6 277.3 291.3 0.56 10 500 5170 -33.7 -36.5 76 2.8 -34.0 265 48 292.0 292.0 278.2 293.1 0.34 11 405 6607 -45.5 -48.3 73 2.8 -45.6 265 63 294.8 294.8 279.2 295.2 0.12 12 400 6690 -46.1 -48.9 73 2.8 -46.2 265 64 295.1 295.1 279.3 295.5 0.11 13 300 8540 -59.5 -62.5 68 3.0 -59.5 265 79 301.5 301.5 282.0 301.6 0.03 14 270 9196 -63.5 -66.6 66 3.1 -63.5 265 83 304.9 304.9 283.4 304.9 0.02 15 263 9358 -64.5 -67.6 65 3.1 -64.5 265 81 305.7 305.7 283.7 305.8 0.02 16 254 9572 -63.5 -66.6 66 3.1 -63.5 268 72 310.3 310.3 285.4 310.3 0.02 17 250 9670 -63.1 -66.2 66 3.1 -63.1 270 68 312.3 312.3 286.2 312.3 0.02 18 249 9695 -62.9 -66.0 66 3.1 -62.9 270 68 312.9 312.9 286.4 313.0 0.02 19 200 11050 -61.1 -64.3 66 3.2 -61.2 270 52 336.0 336.0 293.3 336.1 0.03 20 150 12840 -59.9 -63.4 63 3.5 -60.0 285 44 366.9 366.9 300.1 367.1 0.05 21 132 13639 -59.1 -62.7 63 3.6 -59.2 283 44 382.0 382.0 302.6 382.3 0.06 22 100 15360 -63.5 -67.2 61 3.7 -63.6 280 44 405.0 405.0 305.9 405.3 0.05 23 70 17530 -68.5 -72.2 59 3.7 -68.5 290 46 437.8 437.8 309.7 438.0 0.03 24 66 17881 -69.9 -73.6 58 3.7 -69.9 287 46 442.2 442.2 310.1 442.4 0.03 25 52 19297 -69.7 -73.5 57 3.8 -69.8 277 48 473.9 473.9 313.0 474.1 0.04 26 50 19530 -70.5 -74.3 57 3.8 -70.6 275 48 477.4 477.4 313.2 477.5 0.03 27 35 21630 -73.7 -77.4 57 3.7 -73.7 520.3 520.3 316.4 520.5 0.03 28 32 22157 -71.5 -75.4 56 3.9 -71.6 539.7 539.7 317.5 540.0 0.04 TRP 263 9358 -64.5 -67.6 65 3.1 -64.5 265 81 305.7 305.7 283.7 305.8 0.02 WND 270 9196 -63.5 -66.6 66 3.1 -63.5 265 83 304.9 304.9 283.4 304.9 0.02 Sounding variables and indices 1000-500 mb thick: 5151.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 79.03 % Est. max temperature: -2.89 C = 26.80 F Sfc-Lift cond lev (LCL): 963.70 mb = 306.92 m = 1006.94 ft T: -7.80 C 700-500 lapse rate: 5.90 C/km ThetaE index: 0.00 C Layer 970.0--788598326743269376.0 mb Conv cond level (CCL): 877.56 mb = 1027.51 m = 3371.04 ft Mean mixing ratio: 1.64 g/kg Conv temperature: -5.12 C = 22.79 F Cap Strength: 13.78 C Lifted Index: 15.03 C Risk: None Lifted Index @300 mb: 19.52 C Lifted Index @700 mb: 8.04 C Showalter Index: 14.80 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 16.40 C K Index: -0.90 Risk: None Sweat Index: 163.83 Risk: None Energy Index: 4.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.76 J/kg Max Up Vert Vel: 4.42 m/s Conv Inhibition (B-): 36301.66 J/kg Cap Strength: 14.99 C Lift Cond Lev (LCL): 890.77 mb = 913.33 m = 2996.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 23 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 ---------------------------------------------------------- 0 970 256 190 1 0.2 1.0 | 115 23 -21.0 9.6 1 925 625 245 21 19.0 8.9 | 173 18 -2.2 17.5 2 850 1271 240 19 16.5 9.5 | 165 19 -4.7 18.1 3 700 2731 270 17 17.0 -0.0 | 154 10 -4.2 8.6 4 500 5170 265 48 47.8 4.2 | 244 30 26.6 12.8 5 400 6690 265 64 63.8 5.6 | 252 45 42.6 14.2 6 300 8540 265 79 78.7 6.9 | 255 60 57.5 15.5 7 270 9196 265 83 82.7 7.2 | 256 63 61.5 15.9 8 263 9358 265 81 80.7 7.1 | 255 62 59.5 15.7 9 250 9670 270 68 68.0 -0.0 | 260 48 46.8 8.6 10 200 11050 270 52 52.0 -0.0 | 254 32 30.8 8.6 11 150 12840 285 44 42.5 -11.4 | 277 21 21.3 -2.8 12 100 15360 280 44 43.3 -7.6 | 267 22 22.1 1.0 13 70 17530 290 46 43.2 -15.7 | 288 23 22.0 -7.1 14 50 19530 275 48 47.8 -4.2 | 261 27 26.6 4.4 Wind Parameters Mean winds (0-6000m): 262.1 at 30.5 knts Storm direction: 292.1 at 22.9 knts Shear (0-3000m) pos: 3.3 neg: 0.8 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 80.7 deg Storm rel helicity (0-3000m) pos: 138.5 neg: -17.5 tot: 120.9 m^2/s^2 ave: 40.3 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 43.87 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 ------------------------------------------------------------------------------- 500 243 14 148 17| 20.6 0.0 20.6|123.4 -1.8 121.6 243.3 0.92| 24.0 22.0 1000 243 17 159 17| 10.3 1.1 11.4|123.4 -10.8 112.6 112.6 0.77| 13.1 10.1 1500 243 17 161 17| 6.7 0.7 7.4|123.5 -11.4 112.1 74.7 0.68| 9.8 6.7 2000 246 18 162 17| 5.0 0.5 5.5|123.5 -14.1 109.4 54.7 0.58| 8.2 4.8 2500 250 17 162 15| 3.9 0.4 4.4|123.5 -17.5 106.0 42.4 0.50| 7.2 3.6 3000 253 18 164 14| 3.3 0.8 4.1|138.5 -17.5 120.9 40.3 0.57| 7.1 4.1 4000 258 21 177 13| 2.5 2.2 4.7|167.3 -17.5 149.8 37.5 0.60| 7.0 4.2 5000 261 26 197 13| 2.0 3.1 5.0|192.9 -17.5 175.4 35.1 0.54| 6.9 3.7 6000 262 31 215 16| 1.6 3.5 5.1|222.0 -17.5 204.5 34.1 0.51| 6.6 3.4 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251204.12.gif