UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for LY275... Searching the city database file for: LY275 ... Date:2300Z 27 APR 25 Station: LY275 WMO ident: 13275 Latitude: 44.77 Longitude: 20.42 ------------------------------------------------------------------------------- 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 198 10.2 5.8 74 4.4 7.9 110 3 283.2 284.2 281.0 299.2 5.77 1 1000 215 9.8 5.2 73 4.6 7.5 130 11 283.0 283.9 280.6 298.4 5.54 2 960 555 10.8 4.8 66 6.0 7.7 140 8 287.3 288.3 282.7 303.2 5.62 3 925 864 8.2 4.4 77 3.8 6.2 150 5 287.7 288.7 282.9 303.7 5.67 4 903 1063 6.4 3.7 83 2.7 5.1 144 8 287.8 288.8 282.8 303.5 5.53 5 892 1163 7.6 4.0 78 3.6 5.8 141 9 290.1 291.1 284.0 306.4 5.72 6 850 1560 5.4 2.2 80 3.2 3.8 130 15 291.8 292.7 284.2 307.0 5.28 7 812 1933 4.2 0.8 79 3.4 2.5 123 13 294.4 295.3 284.9 309.0 4.99 8 700 3124 -4.1 -6.1 86 2.0 -4.9 100 5 297.9 298.6 284.7 308.4 3.46 9 694 3192 -4.7 -6.2 89 1.5 -5.3 99 5 298.0 298.6 284.7 308.4 3.46 10 654 3656 -7.7 -10.3 82 2.6 -8.7 96 5 299.7 300.2 284.5 307.9 2.67 11 639 3836 -8.5 -11.4 80 2.9 -9.5 95 4 300.8 301.3 284.8 308.5 2.50 12 621 4058 -8.5 -18.5 44 10.0 -11.4 93 4 303.3 303.5 284.5 307.9 1.43 13 500 5700 -20.3 -44.3 10 24.0 -23.1 80 3 308.3 308.3 284.9 308.8 0.15 14 485 5925 -21.9 -44.9 11 23.0 -24.4 78 3 309.0 309.0 285.1 309.5 0.14 15 400 7310 -33.7 -50.7 16 17.0 -34.8 65 5 311.2 311.2 285.9 311.5 0.09 16 357 8097 -40.1 -58.1 13 18.0 -40.8 65 4 312.9 312.9 286.4 313.0 0.04 17 300 9260 -49.7 -63.7 18 14.0 -50.0 65 3 315.3 315.3 287.2 315.4 0.02 18 250 10430 -57.9 -68.9 23 11.0 -58.0 85 9 320.0 320.0 288.8 320.0 0.01 19 214 11394 -63.3 -74.3 21 11.0 -63.4 115 7 326.1 326.1 290.6 326.2 0.01 20 200 11810 -62.1 -73.1 22 11.0 -62.2 240 5 334.4 334.4 292.9 334.5 0.01 21 185 12294 -61.7 -74.7 16 13.0 -61.8 252 7 342.6 342.6 295.0 342.6 0.01 22 167 12938 -56.7 -76.7 6 20.0 -56.9 268 10 361.1 361.1 298.9 361.2 0.01 23 150 13620 -57.1 -87.1 1 30.0 -57.4 285 13 371.7 371.7 300.9 371.7 0.00 24 100 16180 -57.5 -87.5 1 30.0 -57.9 280 19 416.6 416.6 307.3 416.6 0.00 25 70 18420 -57.9 -87.9 1 30.0 -58.5 290 11 460.5 460.5 311.8 460.5 0.00 26 50 20550 -57.7 -87.7 1 30.0 -58.5 265 11 507.5 507.5 315.5 507.5 0.00 27 38 22284 -58.3 -88.3 1 30.0 -59.2 257 11 547.4 547.4 317.9 547.4 0.00 28 30 23790 -53.7 -84.7 1 31.0 -55.5 250 11 598.2 598.2 320.5 598.3 0.01 29 20 26390 -56.5 -87.5 1 31.0 -58.4 265 3 663.2 663.2 323.2 663.3 0.01 30 18 27059 -56.5 -87.5 1 31.0 -58.6 683.5 683.5 323.9 683.6 0.01 31 12 29672 -49.7 -82.7 1 33.0 -54.7 791.7 791.7 327.0 792.0 0.04 TRP 214 11394 -63.3 -74.3 21 11.0 -63.4 115 7 326.1 326.1 290.6 326.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5485.00 m Freezing level: 755.33 mb = 2535.85 m = 8319.62 ft Wetbulb zero: 773.78 mb = 2320.11 m = 7611.83 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 62.59 % Est. max temperature: 18.74 C = 65.72 F Sfc-Lift cond lev (LCL): 937.22 mb = 754.88 m = 2476.62 ft T: 9.12 C 700-500 lapse rate: 6.29 C/km ThetaE index: 0.86 C Layer 1000.0- 960.0 mb Conv cond level (CCL): 777.66 mb = 2280.04 m = 7480.34 ft Mean mixing ratio: 5.61 g/kg Conv temperature: 22.46 C = 72.42 F Cap Strength: 6.13 C Lifted Index: 7.04 C Risk: None Lifted Index @300 mb: 9.28 C Lifted Index @700 mb: 4.00 C Showalter Index: 3.88 C Risk: None Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.50 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 59.40 Risk: None Energy Index: 0.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.92 J/kg Max Up Vert Vel: 6.15 m/s Conv Inhibition (B-): 54540.17 J/kg Cap Strength: 6.95 C Lift Cond Lev (LCL): 885.64 mb = 1222.33 m = 4010.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 147 at 5 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 198 110 3 -2.8 1.0 | 2 3 -0.1 -3.1 1 1000 215 130 11 -8.4 7.1 | 117 6 -5.7 3.0 2 925 864 150 5 -2.5 4.3 | 224 0 0.2 0.2 3 850 1560 130 15 -11.5 9.6 | 122 10 -8.8 5.5 4 700 3124 100 5 -4.9 0.9 | 34 4 -2.2 -3.2 5 500 5700 80 3 -3.0 -0.5 | 3 5 -0.2 -4.6 6 400 7310 65 5 -4.5 -2.1 | 16 6 -1.8 -6.2 7 300 9260 65 3 -2.7 -1.3 | 0 5 -0.0 -5.4 8 250 10430 85 9 -9.0 -0.8 | 52 8 -6.3 -4.9 9 214 11394 115 7 -6.3 3.0 | 72 4 -3.6 -1.1 10 200 11810 240 5 4.3 2.5 | 283 7 7.0 -1.6 11 150 13620 285 13 12.6 -3.4 | 296 17 15.3 -7.5 12 100 16180 280 19 18.7 -3.3 | 289 23 21.4 -7.4 13 70 18420 290 11 10.3 -3.8 | 301 15 13.0 -7.9 14 50 20550 265 11 11.0 1.0 | 283 14 13.7 -3.1 15 30 23790 250 11 10.3 3.8 | 272 13 13.0 -0.3 16 20 26390 265 3 3.0 0.3 | 304 7 5.7 -3.8 Wind Parameters Mean winds (0-6000m): 116.6 at 6.6 knts Storm direction: 146.6 at 4.9 knts Shear (0-3000m) pos: 0.8 neg: 0.8 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 31.3 deg Storm rel helicity (0-3000m) pos: 5.2 neg: -19.8 tot: -14.6 m^2/s^2 ave: -4.9 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 13.44 Bulk Shear: 1.41 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 ------------------------------------------------------------------------------- 500 135 9 121 4| 4.5 0.0 4.5| 5.1 0.0 5.1 10.2 0.75| 13.8 10.4 1000 138 8 125 3| 2.3 1.7 4.0| 5.2 -0.7 4.5 4.5 0.49| 9.8 4.8 1500 134 9 122 5| 1.5 2.8 4.3| 5.2 -6.0 -0.8 -0.5 0.28| 8.7 2.4 2000 131 10 118 6| 1.1 1.5 2.7| 5.2 -12.2 -7.0 -3.5 0.14| 7.5 1.1 2500 129 10 113 6| 0.9 1.0 1.9| 5.2 -16.6 -11.4 -4.6 0.04| 6.8 0.3 3000 128 9 110 5| 0.8 0.8 1.6| 5.2 -19.8 -14.6 -4.9 -0.04| 6.1 -0.2 4000 124 8 96 4| 0.6 0.7 1.2| 5.2 -20.8 -15.6 -3.9 -0.06| 4.7 -0.3 5000 120 7 83 4| 0.5 0.6 1.0| 5.2 -21.8 -16.6 -3.3 -0.09| 3.9 -0.3 6000 117 7 70 3| 0.4 0.5 0.9| 5.8 -22.4 -16.5 -2.8 -0.08| 3.3 -0.3 Wrote GIF file: /home/apache/climate/data/raob//LY275/skewt/LY275.skewt.20250427.23.gif