UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052512.upa.cvt Date: 1200Z 25 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 25 MAY 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 157 SFC 990 244 20.2 12.2 60 8.0 15.3 160 5 294.2 295.8 288.8 320.2 9.05 2 968 437 17.4 10.4 63 7.0 13.2 157 9 293.3 294.7 287.7 316.8 8.20 3 925 823 14.4 8.4 67 6.0 10.9 150 17 294.0 295.4 287.3 315.6 7.49 4 850 1532 9.4 2.4 62 7.0 5.8 185 23 296.0 297.0 285.9 311.7 5.35 5 750 2553 0.6 -2.8 78 3.4 -0.9 191 28 297.2 298.0 285.2 309.6 4.15 6 703 3070 -1.9 -4.1 85 2.2 -2.9 195 31 300.0 300.7 286.1 312.1 4.01 7 700 3104 -2.1 -4.4 84 2.3 -3.1 195 31 300.2 300.9 286.1 312.1 3.94 8 629 3947 -6.7 -9.9 78 3.2 -7.9 187 31 304.2 304.8 286.4 313.2 2.86 9 500 5700 -18.3 -25.3 54 7.0 -19.8 170 31 310.7 310.9 286.8 314.0 0.98 10 498 5730 -18.3 -25.3 54 7.0 -19.8 170 31 311.1 311.3 286.9 314.4 0.98 11 460 6318 -21.9 -27.9 58 6.0 -23.1 177 31 313.7 313.9 287.6 316.6 0.84 12 406 7224 -29.5 -36.5 51 7.0 -30.4 189 31 315.3 315.4 287.7 316.8 0.41 13 400 7330 -30.1 -37.1 50 7.0 -30.9 190 31 315.9 315.9 287.9 317.3 0.40 14 388 7544 -32.9 -39.9 50 7.0 -33.6 194 30 315.0 315.0 287.5 316.1 0.31 15 348 8297 -37.5 -44.5 48 7.0 -38.0 207 28 318.7 318.7 288.6 319.5 0.21 16 342 8416 -40.1 -48.1 42 8.0 -40.6 209 28 316.8 316.8 287.9 317.3 0.14 17 304 9203 -46.9 -54.9 40 8.0 -47.1 223 25 318.0 318.1 288.2 318.3 0.07 18 300 9290 -49.1 -57.1 39 8.0 -49.3 225 25 316.1 316.2 287.5 316.4 0.06 19 250 10460 -60.9 -68.9 34 8.0 -61.0 245 54 315.5 315.5 287.3 315.6 0.01 20 225 11112 -63.7 -71.7 33 8.0 -63.8 250 48 320.9 320.9 289.0 320.9 0.01 21 210 11537 -63.3 -71.3 33 8.0 -63.4 200 37 327.9 327.9 291.2 328.0 0.01 22 200 11840 -60.3 -68.3 34 8.0 -60.4 165 29 337.3 337.3 293.7 337.4 0.02 23 176 12641 -54.5 -63.5 32 9.0 -54.7 181 23 359.4 359.4 298.6 359.6 0.04 24 150 13660 -53.5 -63.5 28 10.0 -53.8 200 15 377.9 377.9 301.9 378.1 0.05 25 101 16206 -53.3 -67.3 17 14.0 -53.8 215 15 423.5 423.5 308.2 423.8 0.04 26 100 16270 -53.1 -67.1 17 14.0 -53.7 215 15 425.1 425.1 308.3 425.4 0.05 27 70 18570 -53.7 -69.7 12 16.0 -54.5 210 15 469.5 469.5 312.6 469.8 0.05 28 50 20730 -54.1 -70.1 12 16.0 -55.1 270 11 516.0 516.0 316.1 516.4 0.06 29 39 22325 -53.9 -70.9 11 17.0 -55.2 311 8 554.5 554.5 318.3 555.0 0.07 30 30 24020 -51.5 -69.5 10 18.0 -53.5 355 5 604.2 604.3 320.8 605.1 0.11 31 22 26057 -46.3 -67.3 7 21.0 -50.4 675.8 675.9 323.7 677.5 0.20 TRP 225 11112 -63.7 -71.7 33 8.0 -63.8 250 48 320.9 320.9 289.0 320.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5543.00 m Freezing level: 738.72 mb = 2677.01 m = 8782.72 ft Wetbulb zero: 763.74 mb = 2404.83 m = 7889.78 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 70.25 % Est. max temperature: 22.12 C = 71.82 F Sfc-Lift cond lev (LCL): 879.29 mb = 1247.90 m = 4094.11 ft T: 11.40 C 700-500 lapse rate: 6.24 C/km ThetaE index: 10.59 C Layer 968.0- 703.0 mb Conv cond level (CCL): 822.07 mb = 1804.52 m = 5920.25 ft Mean mixing ratio: 7.69 g/kg Conv temperature: 22.35 C = 72.23 F Cap Strength: 1.91 C Lifted Index: 0.31 C Risk: Showers probable Lifted Index @300 mb: 0.39 C Lifted Index @700 mb: -0.83 C Showalter Index: 2.95 C Risk: Showers probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 20.70 C K Index: 27.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 105.80 Risk: None Energy Index: 0.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.28 J/kg Max Up Vert Vel: 11.69 m/s Conv Inhibition (B-): 43.34 J/kg Cap Strength: 1.91 C Lift Cond Lev (LCL): 850.98 mb = 1522.30 m = 4994.36 ft Lev Free Conv (LFC): 785.98 mb = 2170.66 m = 7121.50 ft Equ Level (EL): 525.98 mb = 5312.96 m = 17430.75 ft B at Equ Level: 65.64 J/kg Max Parcel Lev (MPL): 415.98 mb = 7047.71 m = 23122.11 ft Wind level data Storm motion: 212 at 20 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 ---------------------------------------------------------- 0 990 244 160 5 -1.7 4.7 | 45 18 -12.3 -12.5 1 925 823 150 17 -8.5 14.7 | 83 19 -19.1 -2.5 2 850 1532 185 23 2.0 22.9 | 124 10 -8.6 5.7 3 700 3104 195 31 8.0 29.9 | 169 13 -2.6 12.7 4 500 5700 170 31 -5.4 30.5 | 130 21 -16.0 13.3 5 400 7330 190 31 5.4 30.5 | 159 14 -5.2 13.3 6 300 9290 225 25 17.7 17.7 | 266 7 7.1 0.5 7 250 10460 245 54 48.9 22.8 | 262 39 38.4 5.6 8 225 11112 250 48 45.1 16.4 | 271 35 34.5 -0.8 9 200 11840 165 29 -7.5 28.0 | 121 21 -18.1 10.8 10 150 13660 200 15 5.1 14.1 | 60 6 -5.4 -3.1 11 100 16270 215 15 8.6 12.3 | 22 5 -2.0 -4.9 12 70 18570 210 15 7.5 13.0 | 36 5 -3.1 -4.2 13 50 20730 270 11 11.0 -0.0 | 359 17 0.4 -17.2 14 30 24020 355 5 0.4 -5.0 | 25 24 -10.1 -22.2 Wind Parameters Mean winds (0-6000m): 181.6 at 26.9 knts Storm direction: 211.6 at 20.2 knts Shear (0-3000m) pos: 3.8 neg: 1.8 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 121.3 deg Storm rel helicity (0-3000m) pos: 118.5 neg: -1.6 tot: 116.9 m^2/s^2 ave: 39.0 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 5.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.48 Bulk Shear: 46.24 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 ------------------------------------------------------------------------------- 500 153 10 62 17| 0.0 10.7 10.7| 45.9 0.0 45.9 91.7 0.97| 10.8 10.4 1000 157 14 76 17| 4.1 5.4 9.5| 78.5 0.0 78.5 78.5 0.88| 10.1 8.9 1500 169 17 88 14| 5.0 3.6 8.5| 96.2 0.0 96.2 64.1 0.86| 9.2 7.9 2000 175 19 99 12| 4.5 2.7 7.2|104.2 0.0 104.2 52.1 0.87| 7.6 6.7 2500 180 21 109 11| 4.2 2.1 6.3|112.7 0.0 112.7 45.1 0.88| 6.7 5.9 3000 183 23 120 11| 3.8 1.8 5.6|118.5 -1.6 116.9 39.0 0.85| 6.1 5.1 4000 185 25 131 11| 2.9 1.9 4.7|118.5 -18.7 99.8 24.9 0.63| 5.2 3.3 5000 184 26 135 12| 2.3 1.9 4.2|118.5 -38.0 80.5 16.1 0.47| 4.7 2.2 6000 182 27 135 14| 2.1 1.7 3.9|131.7 -46.4 85.3 14.2 0.44| 4.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250525.12.gif