UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 25 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 ------------------------------------------------------------------------------- SFC 1002 50 16.8 13.2 79 3.6 14.6 200 3 289.8 291.5 287.6 316.7 9.55 1 1000 67 16.6 12.8 78 3.8 14.3 205 3 289.8 291.4 287.4 316.0 9.32 2 972 310 14.4 7.4 63 7.0 10.5 225 9 289.9 291.1 284.9 308.8 6.65 3 925 729 11.4 5.4 67 6.0 8.2 260 19 291.0 292.0 284.7 308.4 6.08 4 907 891 9.8 4.8 71 5.0 7.2 259 19 291.0 292.0 284.6 308.0 5.95 5 850 1423 5.8 0.8 70 5.0 3.4 255 19 292.2 293.1 283.8 306.1 4.77 6 773 2194 0.2 -3.2 78 3.4 -1.3 248 34 294.2 294.9 283.7 305.8 3.90 7 733 2620 -1.5 -4.0 83 2.5 -2.6 244 43 296.9 297.6 284.7 308.5 3.88 8 700 2986 -3.7 -6.8 79 3.1 -5.0 240 50 298.4 299.0 284.7 308.3 3.28 9 612 4033 -9.9 -13.5 75 3.6 -11.1 248 50 302.9 303.3 285.2 309.9 2.20 10 500 5560 -20.1 -24.4 69 4.3 -21.0 260 50 308.5 308.7 286.1 312.1 1.06 11 470 6014 -23.7 -28.3 66 4.6 -24.5 259 51 309.6 309.7 286.1 312.2 0.79 12 400 7170 -32.5 -37.5 61 5.0 -33.0 255 52 312.7 312.8 286.8 314.1 0.38 13 328 8532 -44.5 -50.5 51 6.0 -44.7 262 59 314.5 314.5 287.1 314.9 0.11 14 300 9120 -50.9 -56.9 49 6.0 -51.1 265 62 313.6 313.6 286.7 313.8 0.06 15 254 10181 -59.7 -65.7 45 6.0 -59.7 270 67 315.9 315.9 287.4 316.0 0.02 16 250 10280 -60.1 -66.1 45 6.0 -60.2 270 68 316.7 316.7 287.7 316.8 0.02 17 240 10534 -61.3 -67.3 45 6.0 -61.4 285 71 318.6 318.6 288.3 318.7 0.02 18 236 10638 -61.5 -67.5 45 6.0 -61.5 295 73 319.9 319.9 288.8 320.0 0.02 19 225 10934 -61.9 -67.9 45 6.0 -62.0 289 66 323.6 323.7 289.9 323.7 0.02 20 200 11670 -57.9 -64.9 40 7.0 -58.0 275 50 341.1 341.1 294.6 341.2 0.03 21 190 11994 -55.7 -62.7 41 7.0 -55.9 277 49 349.7 349.7 296.6 349.8 0.04 22 150 13500 -54.9 -62.9 36 8.0 -55.1 285 42 375.5 375.5 301.5 375.7 0.05 23 142 13852 -53.9 -62.9 32 9.0 -54.2 284 41 383.2 383.2 302.8 383.4 0.06 24 100 16100 -55.3 -66.3 24 11.0 -55.7 280 31 420.9 420.9 307.9 421.1 0.05 25 90 16770 -55.3 -67.3 21 12.0 -55.8 279 29 433.8 433.8 309.3 434.0 0.05 26 70 18370 -55.1 -67.1 21 12.0 -55.7 275 25 466.5 466.5 312.4 466.9 0.07 27 69 18462 -55.1 -67.1 21 12.0 -55.7 276 25 468.4 468.4 312.5 468.8 0.07 28 54 20028 -57.1 -68.1 24 11.0 -57.7 290 17 497.8 497.9 314.8 498.3 0.07 29 50 20520 -54.5 -65.5 25 11.0 -55.3 295 15 515.0 515.1 316.0 515.8 0.11 30 46 21052 -54.1 -65.1 25 11.0 -55.0 293 15 528.4 528.5 316.9 529.3 0.13 31 30 23780 -54.7 -65.7 24 11.0 -55.9 285 15 595.5 595.6 320.5 596.9 0.19 32 26 24689 -58.1 -69.1 23 11.0 -59.1 610.7 610.8 321.2 611.8 0.13 TRP 240 10534 -61.3 -67.3 45 6.0 -61.4 285 71 318.6 318.6 288.3 318.7 0.02 WND 236 10638 -61.5 -67.5 45 6.0 -61.5 295 73 319.9 319.9 288.8 320.0 0.02 Sounding variables and indices 1000-500 mb thick: 5493.00 m Freezing level: 768.29 mb = 2244.12 m = 7362.50 ft Wetbulb zero: 794.11 mb = 1975.22 m = 6480.31 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 73.62 % Est. max temperature: 19.19 C = 66.55 F Sfc-Lift cond lev (LCL): 949.72 mb = 505.80 m = 1659.44 ft T: 13.00 C 700-500 lapse rate: 6.37 C/km ThetaE index: 10.92 C Layer 1000.0- 733.0 mb Conv cond level (CCL): 848.20 mb = 1440.26 m = 4725.19 ft Mean mixing ratio: 6.77 g/kg Conv temperature: 19.29 C = 66.71 F Cap Strength: 1.30 C Lifted Index: 2.44 C Risk: None Lifted Index @300 mb: 2.99 C Lifted Index @700 mb: 0.56 C Showalter Index: 4.72 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 20.90 C K Index: 23.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 97.60 Risk: None Energy Index: 1.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.17 J/kg Max Up Vert Vel: 3.79 m/s Conv Inhibition (B-): 30.24 J/kg Cap Strength: 2.41 C Lift Cond Lev (LCL): 872.01 mb = 1213.69 m = 3981.88 ft Lev Free Conv (LFC): 787.01 mb = 2048.23 m = 6719.84 ft Equ Level (EL): 747.01 mb = 2468.05 m = 8097.18 ft B at Equ Level: 6.40 J/kg Max Parcel Lev (MPL): 707.01 mb = 2906.80 m = 9536.62 ft Wind level data Storm motion: 280 at 29 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 1002 50 200 3 1.0 2.8 | 106 28 -27.4 7.9 1 1000 67 205 3 1.3 2.7 | 106 28 -27.1 7.8 2 925 729 260 19 18.7 3.3 | 131 13 -9.7 8.4 3 850 1423 255 19 18.4 4.9 | 135 14 -10.0 10.0 4 700 2986 240 50 43.3 25.0 | 206 34 14.9 30.1 5 500 5560 260 50 49.2 8.7 | 237 25 20.8 13.8 6 400 7170 255 52 50.2 13.5 | 230 29 21.8 18.5 7 300 9120 265 62 61.8 5.4 | 253 35 33.4 10.5 8 250 10280 270 68 68.0 -0.0 | 263 40 39.6 5.1 9 240 10534 285 71 68.6 -18.4 | 288 42 40.2 -13.3 10 236 10638 295 73 66.2 -30.9 | 304 46 37.8 -25.8 11 200 11670 275 50 49.8 -4.4 | 268 21 21.4 0.7 12 150 13500 285 42 40.6 -10.9 | 295 13 12.2 -5.8 13 100 16100 280 31 30.5 -5.4 | 278 2 2.1 -0.3 14 70 18370 275 25 24.9 -2.2 | 130 5 -3.5 2.9 15 50 20520 295 15 13.6 -6.3 | 85 15 -14.8 -1.3 16 30 23780 285 15 14.5 -3.9 | 95 14 -13.9 1.2 Wind Parameters Mean winds (0-6000m): 250.2 at 38.5 knts Storm direction: 280.2 at 28.8 knts Shear (0-3000m) pos: 3.0 neg: 5.5 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 100.9 deg Storm rel helicity (0-3000m) pos: 166.3 neg: 0.0 tot: 166.3 m^2/s^2 ave: 55.4 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 5.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 119.58 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 ------------------------------------------------------------------------------- 500 238 9 115 23| 13.1 0.0 13.1| 58.2 0.0 58.2 116.5 0.66| 13.8 9.1 1000 256 13 119 18| 9.0 0.0 9.0| 65.0 0.0 65.0 65.0 0.52| 10.4 5.4 1500 256 15 123 16| 6.0 1.0 7.0| 75.7 0.0 75.7 50.5 0.57| 8.1 4.6 2000 254 18 133 15| 4.5 3.3 7.9|111.2 0.0 111.2 55.6 0.68| 8.7 5.9 2500 251 22 148 15| 3.6 4.8 8.4|142.9 0.0 142.9 57.2 0.66| 9.1 6.0 3000 247 26 164 16| 3.0 5.5 8.6|166.3 0.0 166.3 55.4 0.60| 9.2 5.5 4000 246 32 182 18| 2.7 4.2 6.9|214.1 0.0 214.1 53.5 0.63| 7.7 4.9 5000 248 36 194 19| 2.6 3.3 5.9|258.1 0.0 258.1 51.6 0.65| 6.9 4.5 6000 250 38 203 20| 2.4 2.9 5.2|279.0 -6.2 272.8 45.5 0.64| 6.2 3.9 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250425.12.gif