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 U8275... Searching the city database file for: U8275 ... Date:1200Z 26 APR 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 21 360 3 SFC 997 46 7.2 6.4 95 0.8 6.8 360 3 280.6 281.6 280.1 297.2 6.05 2 983 162 5.0 2.2 82 2.8 3.7 334 5 279.5 280.3 277.7 292.1 4.56 3 961 347 5.0 2.5 84 2.5 3.8 291 8 281.3 282.1 278.9 294.5 4.76 4 938 547 9.6 7.7 88 1.9 8.6 246 11 288.0 289.2 284.5 307.8 7.04 5 925 663 9.8 7.9 88 1.9 8.8 220 13 289.3 290.6 285.2 309.8 7.24 6 850 1361 6.0 3.4 83 2.6 4.6 250 25 292.4 293.5 284.9 309.0 5.75 7 811 1744 3.2 0.4 82 2.8 1.8 248 26 293.4 294.3 284.4 307.6 4.86 8 700 2924 -2.5 -5.3 81 2.8 -3.7 240 31 299.7 300.4 285.6 310.9 3.68 9 694 2992 -2.7 -5.6 80 2.9 -3.9 240 31 300.2 300.9 285.8 311.2 3.63 10 549 4809 -14.1 -17.8 74 3.7 -15.2 233 28 307.5 307.8 286.4 313.1 1.72 11 500 5510 -20.1 -25.1 64 5.0 -21.1 230 27 308.5 308.7 286.0 311.8 1.00 12 448 6313 -26.1 -32.1 57 6.0 -27.0 225 31 310.8 310.9 286.3 312.8 0.58 13 400 7120 -32.9 -38.9 55 6.0 -33.5 220 35 312.2 312.3 286.5 313.4 0.33 14 368 7703 -37.3 -43.3 54 6.0 -37.8 221 35 313.9 314.0 287.0 314.7 0.23 15 305 8971 -48.9 -54.9 50 6.0 -49.1 225 36 314.9 315.0 287.2 315.2 0.07 16 300 9080 -49.5 -55.5 49 6.0 -49.7 225 36 315.6 315.6 287.3 315.8 0.07 17 258 10043 -58.3 -64.3 46 6.0 -58.4 215 35 316.5 316.5 287.6 316.6 0.03 18 257 10067 -58.3 -64.3 46 6.0 -58.4 215 35 316.9 316.9 287.8 317.0 0.03 19 250 10240 -58.1 -64.1 46 6.0 -58.2 220 33 319.7 319.7 288.7 319.8 0.03 20 208 11409 -55.5 -62.5 41 7.0 -55.6 245 35 341.0 341.0 294.6 341.2 0.04 21 200 11660 -54.1 -61.1 42 7.0 -54.3 250 36 347.1 347.1 296.0 347.3 0.05 22 180 12340 -51.7 -59.7 38 8.0 -52.0 254 36 361.6 361.6 299.1 361.9 0.07 23 150 13520 -52.5 -62.5 29 10.0 -52.8 260 36 379.6 379.6 302.2 379.9 0.06 24 122 14854 -52.1 -64.1 22 12.0 -52.6 265 34 403.5 403.5 305.7 403.7 0.06 25 100 16130 -55.5 -67.5 21 12.0 -55.9 270 33 420.5 420.5 307.8 420.7 0.04 26 94 16525 -54.7 -66.7 21 12.0 -55.2 271 31 429.6 429.6 308.8 429.9 0.05 27 70 18410 -55.3 -68.3 18 13.0 -55.9 275 23 466.1 466.1 312.3 466.4 0.06 28 61 19287 -56.1 -69.1 18 13.0 -56.7 279 20 483.0 483.0 313.7 483.4 0.06 29 50 20550 -56.7 -69.7 18 13.0 -57.4 285 15 509.9 509.9 315.7 510.3 0.06 30 37 22464 -56.5 -69.5 18 13.0 -57.4 273 11 556.2 556.3 318.5 556.8 0.09 31 30 23800 -55.3 -68.3 18 13.0 -56.6 265 9 593.9 593.9 320.4 594.8 0.13 32 26 24713 -56.5 -69.5 18 13.0 -57.8 253 8 615.3 615.3 321.3 616.3 0.13 33 20 26400 -51.9 -64.9 20 13.0 -54.2 230 5 677.3 677.4 323.7 679.9 0.31 34 18 27088 -48.7 -61.7 21 13.0 -52.0 708.1 708.4 324.8 712.8 0.53 35 15 28286 -48.7 -60.7 24 12.0 -52.2 746.0 746.4 326.0 752.7 0.72 36 13 29237 -44.1 -57.1 22 13.0 -49.3 793.1 793.8 327.4 805.9 1.31 37 11 30355 -45.3 -58.3 22 13.0 -50.6 827.6 828.3 328.2 841.2 1.33 38 10 30996 -41.3 -54.3 23 13.0 -48.0 865.4 866.6 329.2 890.9 2.39 TRP 257 10067 -58.3 -64.3 46 6.0 -58.4 215 35 316.9 316.9 287.8 317.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5489.00 m Freezing level: 748.68 mb = 2406.27 m = 7894.48 ft Wetbulb zero: 774.00 mb = 2118.12 m = 6949.12 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 79.28 % Est. max temperature: 19.10 C = 66.39 F Sfc-Lift cond lev (LCL): 984.93 mb = 145.83 m = 478.42 ft T: 5.31 C 700-500 lapse rate: 6.81 C/km ThetaE index: 5.09 C Layer 983.0- 961.0 mb Conv cond level (CCL): 990.93 mb = 95.94 m = 314.77 ft Mean mixing ratio: 6.03 g/kg Conv temperature: 6.74 C = 44.13 F Cap Strength: 7.85 C Lifted Index: 7.48 C Risk: None Lifted Index @300 mb: 9.72 C Lifted Index @700 mb: 5.80 C Showalter Index: 2.82 C Risk: Showers probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 23.50 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 129.80 Risk: None Energy Index: 0.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.41 J/kg Max Up Vert Vel: 10.53 m/s Conv Inhibition (B-): 53463.37 J/kg Cap Strength: 7.80 C Lift Cond Lev (LCL): 918.07 mb = 725.06 m = 2378.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 267 at 19 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 46 360 3 -0.0 -3.0 | 79 19 -19.1 -3.8 1 925 663 220 13 8.4 10.0 | 130 14 -10.7 9.1 2 850 1361 250 25 23.5 8.6 | 210 9 4.4 7.7 3 700 2924 240 31 26.8 15.5 | 208 17 7.7 14.7 4 500 5510 230 27 20.7 17.4 | 185 17 1.6 16.5 5 400 7120 220 35 22.5 26.8 | 187 26 3.4 26.0 6 300 9080 225 36 25.5 25.5 | 194 25 6.4 24.6 7 257 10067 215 35 20.1 28.7 | 182 28 1.0 27.8 8 250 10240 220 33 21.2 25.3 | 185 25 2.1 24.4 9 200 11660 250 36 33.8 12.3 | 232 19 14.7 11.5 10 150 13520 260 36 35.5 6.3 | 252 17 16.4 5.4 11 100 16130 270 33 33.0 -0.0 | 273 14 13.9 -0.8 12 70 18410 275 23 22.9 -2.0 | 307 5 3.8 -2.8 13 50 20550 285 15 14.5 -3.9 | 44 7 -4.6 -4.7 14 30 23800 265 9 9.0 0.8 | 90 10 -10.1 -0.1 15 20 26400 230 5 3.8 3.2 | 99 15 -15.3 2.4 Wind Parameters Mean winds (0-6000m): 237.5 at 25.5 knts Storm direction: 267.5 at 19.1 knts Shear (0-3000m) pos: 1.3 neg: 4.7 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 128.1 deg Storm rel helicity (0-3000m) pos: 71.7 neg: -15.8 tot: 55.9 m^2/s^2 ave: 18.6 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.21 Bulk Shear: 45.74 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 ------------------------------------------------------------------------------- 500 229 7 105 14| 0.0 13.0 13.0| 19.8 -12.3 7.5 15.0 0.30| 16.7 5.0 1000 230 11 121 12| 0.0 11.0 11.0| 53.4 -12.3 41.1 41.1 0.54| 15.1 8.1 1500 240 15 138 9| 2.7 7.3 10.0| 71.7 -12.3 59.3 39.5 0.62| 12.9 7.9 2000 243 18 157 8| 2.0 6.1 8.1| 71.7 -12.5 59.2 29.6 0.58| 10.3 5.9 2500 243 20 173 8| 1.6 5.3 7.0| 71.7 -13.3 58.4 23.4 0.54| 8.7 4.7 3000 243 22 182 9| 1.3 4.7 6.1| 71.7 -15.8 55.9 18.6 0.50| 7.7 3.8 4000 241 24 190 11| 1.0 3.4 4.4| 71.7 -27.0 44.7 11.2 0.42| 6.1 2.5 5000 239 25 191 12| 0.8 2.7 3.5| 71.7 -37.7 34.0 6.8 0.35| 5.1 1.8 6000 237 25 191 13| 0.7 2.4 3.1| 74.1 -42.4 31.7 5.3 0.31| 4.6 1.4 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250426.12.gif