UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 26 APR 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 71 SFC 977 258 1.0 0.9 99 0.1 1.0 200 3 276.0 276.7 275.3 287.4 4.17 2 925 695 -2.1 -4.5 84 2.4 -3.0 230 23 277.2 277.7 274.2 285.4 2.96 3 850 1363 -5.3 -7.6 84 2.3 -6.1 265 23 280.6 281.0 275.5 287.8 2.54 4 755 2285 -10.3 -13.0 81 2.7 -11.1 277 30 284.8 285.2 276.8 290.3 1.86 5 752 2316 -10.7 -13.3 81 2.6 -11.5 278 31 284.7 285.1 276.7 290.1 1.82 6 736 2480 -13.3 -19.3 61 6.0 -14.7 280 32 283.7 283.9 275.1 287.0 1.13 7 712 2733 -13.7 -26.7 33 13.0 -16.1 283 34 285.9 286.0 275.5 287.8 0.60 8 700 2862 -14.1 -30.1 24 16.0 -16.7 285 35 286.9 286.9 275.7 288.3 0.45 9 686 3015 -14.5 -32.5 20 18.0 -17.3 285 36 288.1 288.2 276.3 289.3 0.36 10 585 4210 -18.7 -35.7 21 17.0 -21.1 288 47 296.6 296.7 280.3 297.7 0.31 11 500 5360 -26.9 -39.9 28 13.0 -28.2 290 58 300.2 300.3 281.8 301.1 0.24 12 400 6930 -38.7 -50.7 27 12.0 -39.3 290 68 304.7 304.7 283.4 305.0 0.09 13 327 8287 -48.7 -58.7 30 10.0 -49.0 298 91 309.0 309.0 285.0 309.2 0.04 14 311 8616 -50.8 -60.8 30 10.0 -51.0 300 97 310.5 310.5 285.5 310.7 0.03 15 300 8850 -52.3 -62.3 29 10.0 -52.5 300 93 311.6 311.6 285.9 311.7 0.03 16 268 9574 -52.9 -62.9 29 10.0 -53.1 300 84 321.0 321.0 289.1 321.1 0.03 17 250 10020 -53.1 -63.1 29 10.0 -53.3 300 79 327.1 327.1 290.9 327.3 0.03 18 202 11405 -49.3 -61.3 23 12.0 -49.7 300 53 353.7 353.7 297.5 353.9 0.05 19 200 11470 -49.5 -61.5 23 12.0 -49.9 300 52 354.4 354.4 297.6 354.6 0.05 20 150 13350 -50.5 -65.5 15 15.0 -51.0 305 35 383.1 383.1 302.8 383.2 0.04 21 109 15421 -51.3 -68.3 11 17.0 -52.0 309 22 418.2 418.2 307.5 418.4 0.04 22 100 15980 -50.9 -67.9 12 17.0 -51.7 310 19 429.4 429.4 308.8 429.6 0.04 23 92 16521 -52.3 -70.3 10 18.0 -53.0 302 16 437.0 437.0 309.6 437.1 0.03 24 70 18290 -51.5 -69.5 10 18.0 -52.5 275 7 474.2 474.2 313.0 474.5 0.05 25 50 20480 -51.7 -70.7 9 19.0 -53.0 275 3 521.6 521.7 316.4 522.0 0.06 26 30 23790 -51.3 -71.3 7 20.0 -53.4 90 9 604.8 604.8 320.9 605.4 0.08 27 27 24476 -50.5 -70.5 8 20.0 -52.9 625.5 625.6 321.7 626.4 0.11 28 21 26121 -48.7 -69.7 7 21.0 -52.2 677.6 677.6 323.7 678.9 0.15 TRP 300 8850 -52.3 -62.3 29 10.0 -52.5 300 93 311.6 311.6 285.9 311.7 0.03 WND 311 8616 -50.8 -60.8 30 10.0 -51.0 300 97 310.5 310.5 285.5 310.7 0.03 Sounding variables and indices 1000-500 mb thick: 5289.00 m Freezing level: 960.23 mb = 398.96 m = 1308.90 ft Wetbulb zero: 964.32 mb = 362.37 m = 1188.85 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 49.65 % Est. max temperature: 6.56 C = 43.82 F Sfc-Lift cond lev (LCL): 975.32 mb = 271.76 m = 891.60 ft T: 0.90 C 700-500 lapse rate: 5.12 C/km ThetaE index: 3.28 C Layer 752.0- 712.0 mb Conv cond level (CCL): 874.61 mb = 1137.53 m = 3732.00 ft Mean mixing ratio: 3.20 g/kg Conv temperature: 4.43 C = 39.98 F Cap Strength: 10.46 C Lifted Index: 12.16 C Risk: None Lifted Index @300 mb: 17.99 C Lifted Index @700 mb: 4.04 C Showalter Index: 10.99 C Risk: None Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 19.30 C K Index: -2.00 Risk: None Sweat Index: 104.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.85 J/kg Max Up Vert Vel: 5.07 m/s Conv Inhibition (B-): 56049.26 J/kg Cap Strength: 12.14 C Lift Cond Lev (LCL): 902.01 mb = 893.80 m = 2932.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 30 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 ---------------------------------------------------------- 0 977 258 200 3 1.0 2.8 | 138 31 -20.6 23.1 1 925 695 230 23 17.6 14.8 | 173 35 -4.1 35.1 2 850 1363 265 23 22.9 2.0 | 183 22 1.2 22.3 3 700 2862 285 35 33.8 -9.1 | 227 17 12.1 11.2 4 500 5360 290 58 54.5 -19.8 | 269 33 32.8 0.5 5 400 6930 290 68 63.9 -23.3 | 274 42 42.2 -3.0 6 311 8616 300 97 84.0 -48.5 | 294 68 62.3 -28.2 7 300 8850 300 93 80.5 -46.5 | 294 64 58.9 -26.2 8 250 10020 300 79 68.4 -39.5 | 292 51 46.7 -19.2 9 200 11470 300 52 45.0 -26.0 | 284 24 23.4 -5.7 10 150 13350 305 35 28.7 -20.1 | 268 7 7.0 0.2 11 100 15980 310 19 14.6 -12.2 | 139 11 -7.1 8.1 12 70 18290 275 7 7.0 -0.6 | 143 25 -14.7 19.7 13 50 20480 275 3 3.0 -0.3 | 137 27 -18.7 20.0 14 30 23790 90 9 -9.0 0.0 | 123 37 -30.7 20.3 Wind Parameters Mean winds (0-6000m): 283.1 at 39.6 knts Storm direction: 313.1 at 29.7 knts Shear (0-3000m) pos: 6.6 neg: 0.0 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 313.3 neg: 0.0 tot: 313.3 m^2/s^2 ave: 104.4 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 7.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.09 Bulk Shear: 149.61 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 ------------------------------------------------------------------------------- 500 228 14 160 32| 21.2 0.0 21.2|190.7 0.0 190.7 381.4 0.97| 22.8 22.0 1000 239 19 169 30| 11.1 0.0 11.1|222.2 0.0 222.2 222.2 0.78| 16.8 13.1 1500 250 20 175 27| 8.7 0.0 8.7|244.7 0.0 244.7 163.1 0.76| 13.3 10.0 2000 258 22 181 25| 7.6 0.0 7.6|269.3 0.0 269.3 134.6 0.78| 11.3 8.8 2500 265 24 187 23| 7.0 0.0 7.0|293.5 0.0 293.5 117.4 0.79| 10.2 8.1 3000 270 26 193 21| 6.6 0.0 6.6|313.3 0.0 313.3 104.4 0.80| 9.3 7.5 4000 276 31 207 19| 6.2 0.0 6.2|352.1 0.0 352.1 88.0 0.79| 8.2 6.5 5000 281 35 223 19| 5.9 0.0 5.9|394.3 0.0 394.3 78.9 0.77| 7.5 5.8 6000 283 40 236 20| 5.2 0.3 5.5|416.5 0.0 416.5 69.4 0.74| 6.8 5.0 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250426.12.gif