UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 20 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 -14 250 3 SFC 992 51 5.0 3.7 91 1.3 4.4 250 3 278.8 279.6 277.9 292.6 5.03 2 975 194 10.6 5.9 73 4.7 8.1 264 8 285.8 286.9 282.4 302.6 5.97 3 952 392 9.0 3.0 66 6.0 6.1 282 16 286.1 287.0 281.4 300.2 4.99 4 925 629 7.0 2.0 70 5.0 4.6 305 25 286.5 287.3 281.3 300.0 4.78 5 889 954 4.4 0.9 78 3.5 2.8 296 27 287.0 287.9 281.4 300.1 4.59 6 850 1319 2.6 0.3 85 2.3 1.5 285 29 288.9 289.7 282.2 302.1 4.60 7 749 2334 -2.9 -4.8 87 1.9 -3.7 292 51 293.5 294.2 283.0 304.1 3.57 8 735 2484 -3.7 -5.8 85 2.1 -4.6 292 54 294.3 294.9 283.1 304.3 3.37 9 700 2869 -4.9 -7.7 81 2.8 -6.0 295 62 297.1 297.6 283.9 306.3 3.06 10 563 4549 -12.7 -15.1 82 2.4 -13.5 295 67 307.0 307.4 286.6 313.7 2.10 11 500 5440 -19.1 -22.8 72 3.7 -20.0 295 69 309.8 310.0 286.6 313.8 1.22 12 469 5915 -22.7 -26.1 74 3.4 -23.4 298 70 311.0 311.2 286.8 314.3 0.97 13 400 7070 -30.7 -33.8 74 3.1 -31.1 305 71 315.1 315.2 287.8 317.0 0.55 14 386 7320 -34.5 -38.0 70 3.5 -34.8 305 72 313.3 313.4 286.9 314.7 0.37 15 315 8707 -44.5 -49.4 58 4.9 -44.7 305 79 318.2 318.2 288.3 318.7 0.13 16 300 9030 -48.5 -53.5 56 5.0 -48.7 305 81 317.0 317.0 287.9 317.3 0.09 17 263 9887 -54.7 -59.7 54 5.0 -54.8 301 88 320.1 320.1 288.8 320.3 0.05 18 250 10210 -58.1 -63.1 53 5.0 -58.2 300 91 319.7 319.7 288.7 319.8 0.03 19 240 10466 -60.0 -65.0 52 5.0 -60.1 300 95 320.6 320.6 288.9 320.7 0.03 20 218 11061 -64.5 -69.5 50 5.0 -64.6 305 95 322.6 322.6 289.6 322.6 0.02 21 200 11590 -63.1 -68.1 51 5.0 -63.1 310 81 332.8 332.8 292.5 332.9 0.02 22 189 11940 -58.9 -63.9 52 5.0 -59.0 310 73 345.0 345.0 295.6 345.2 0.04 23 167 12719 -55.1 -60.1 54 5.0 -55.2 310 57 363.8 363.8 299.5 364.1 0.07 24 150 13400 -56.3 -61.3 53 5.0 -56.5 310 42 373.1 373.1 301.1 373.4 0.07 25 132 14213 -54.9 -60.9 47 6.0 -55.1 308 37 389.5 389.5 303.8 389.8 0.08 26 100 15980 -55.9 -63.9 36 8.0 -56.2 305 27 419.7 419.7 307.7 420.1 0.07 27 85 17014 -56.7 -64.7 36 8.0 -57.1 312 26 438.1 438.1 309.7 438.5 0.07 28 70 18250 -55.5 -63.5 36 8.0 -55.9 320 25 465.7 465.7 312.3 466.3 0.11 29 61 19125 -55.9 -63.9 36 8.0 -56.4 314 23 483.5 483.5 313.8 484.2 0.12 30 50 20390 -55.3 -64.3 32 9.0 -56.0 305 19 513.2 513.2 315.9 514.0 0.13 31 37 22305 -55.5 -64.5 32 9.0 -56.3 302 19 558.8 558.9 318.6 560.0 0.18 32 30 23630 -58.3 -68.3 27 10.0 -59.1 300 19 585.7 585.8 320.0 586.7 0.13 33 21 25873 -59.9 -69.9 26 10.0 -60.9 282 17 643.8 643.8 322.5 645.0 0.15 34 20 26180 -57.5 -67.5 27 10.0 -58.7 280 17 660.2 660.3 323.2 662.0 0.22 35 15 28007 -55.1 -65.1 28 10.0 -57.1 724.8 724.9 325.3 728.4 0.40 36 12 29440 -52.7 -62.7 29 10.0 -55.5 781.0 781.4 327.0 787.8 0.69 TRP 218 11061 -64.5 -69.5 50 5.0 -64.6 305 95 322.6 322.6 289.6 322.6 0.02 WND 240 10466 -60.0 -65.0 52 5.0 -60.1 300 95 320.6 320.6 288.9 320.7 0.03 Sounding variables and indices 1000-500 mb thick: 5454.00 m Freezing level: 802.25 mb = 1798.81 m = 5901.52 ft Wetbulb zero: 820.11 mb = 1606.22 m = 5269.68 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 80.38 % Est. max temperature: 15.41 C = 59.73 F Sfc-Lift cond lev (LCL): 972.28 mb = 217.02 m = 712.01 ft T: 10.41 C 700-500 lapse rate: 5.52 C/km ThetaE index: 2.56 C Layer 952.0- 889.0 mb Conv cond level (CCL): 821.20 mb = 1595.58 m = 5234.78 ft Mean mixing ratio: 5.05 g/kg Conv temperature: 16.33 C = 61.40 F Cap Strength: 9.08 C Lifted Index: 9.88 C Risk: None Lifted Index @300 mb: 12.18 C Lifted Index @700 mb: 4.54 C Showalter Index: 8.42 C Risk: None Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 19.40 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 130.60 Risk: None Energy Index: 2.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.98 J/kg Max Up Vert Vel: 5.83 m/s Conv Inhibition (B-): 54643.42 J/kg Cap Strength: 9.77 C Lift Cond Lev (LCL): 876.56 mb = 1068.91 m = 3506.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 325 at 39 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 ---------------------------------------------------------- 0 992 51 250 3 2.8 1.0 | 149 38 -19.7 32.7 1 925 629 305 25 20.5 -14.3 | 173 17 -2.0 17.3 2 850 1319 285 29 28.0 -7.5 | 193 25 5.5 24.2 3 700 2869 295 62 56.2 -26.2 | 261 34 33.7 5.5 4 500 5440 295 69 62.5 -29.2 | 266 40 40.0 2.5 5 400 7070 305 71 58.2 -40.7 | 284 37 35.7 -9.0 6 300 9030 305 81 66.4 -46.5 | 289 46 43.8 -14.8 7 250 10210 300 91 78.8 -45.5 | 284 58 56.3 -13.8 8 240 10466 300 95 82.3 -47.5 | 285 62 59.8 -15.8 9 218 11061 305 95 77.8 -54.5 | 292 60 55.3 -22.8 10 200 11590 310 81 62.0 -52.1 | 297 44 39.5 -20.4 11 150 13400 310 42 32.2 -27.0 | 244 11 9.7 4.7 12 100 15980 305 27 22.1 -15.5 | 179 16 -0.4 16.2 13 70 18250 320 25 16.1 -19.2 | 153 14 -6.4 12.5 14 50 20390 305 19 15.6 -10.9 | 162 22 -6.9 20.8 15 30 23630 300 19 16.5 -9.5 | 165 23 -6.1 22.2 16 20 26180 280 17 16.7 -3.0 | 169 29 -5.8 28.7 Wind Parameters Mean winds (0-6000m): 294.6 at 51.8 knts Storm direction: 324.6 at 38.9 knts Shear (0-3000m) pos: 8.5 neg: 2.2 tot: 10.7 10-3/s Storm rel Dir Shear (0-3000m): 112.3 deg Storm rel helicity (0-3000m) pos: 379.0 neg: 0.0 tot: 379.0 m^2/s^2 ave: 126.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 8.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.08 Bulk Shear: 205.41 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 ------------------------------------------------------------------------------- 500 299 12 156 28| 20.7 0.0 20.7|113.1 0.0 113.1 226.2 0.59| 22.6 13.4 1000 299 19 166 23| 10.4 3.0 13.3|139.3 0.0 139.3 139.3 0.57| 16.4 9.4 1500 294 23 175 23| 6.9 4.5 11.4|184.0 0.0 184.0 122.7 0.62| 14.0 8.7 2000 292 27 186 22| 8.0 3.4 11.3|253.9 0.0 253.9 127.0 0.70| 13.3 9.3 2500 292 32 199 21| 8.6 2.7 11.3|327.1 0.0 327.1 130.8 0.74| 12.9 9.5 3000 293 36 212 21| 8.5 2.2 10.7|379.0 0.0 379.0 126.3 0.74| 12.0 8.9 4000 294 43 230 22| 6.4 2.0 8.4|392.8 0.0 392.8 98.2 0.74| 9.4 6.9 5000 294 48 241 25| 5.1 1.9 6.9|406.7 0.0 406.7 81.3 0.73| 7.8 5.7 6000 295 52 248 27| 4.5 1.5 6.0|457.7 0.0 457.7 76.3 0.74| 7.0 5.1 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250420.00.gif