UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:1200Z 29 APR 25 Station: ULOL WMO ident: 26477 Latitude: 56.38 Longitude: 30.60 Elevation: 98.00 ------------------------------------------------------------------------------- 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 69 260 7 SFC 996 98 13.2 4.2 54 9.0 8.6 260 7 286.7 287.6 281.9 301.4 5.19 2 961 398 8.4 0.4 57 8.0 4.7 279 16 284.8 285.5 279.7 296.4 4.09 3 925 715 6.4 0.4 65 6.0 3.6 300 25 285.9 286.6 280.4 297.9 4.25 4 853 1373 0.2 -3.2 78 3.4 -1.2 276 27 286.1 286.7 279.6 296.2 3.54 5 850 1401 0.0 -3.3 78 3.3 -1.4 275 27 286.1 286.8 279.7 296.2 3.52 6 825 1640 -1.3 -4.1 81 2.8 -2.4 279 28 287.2 287.8 280.0 297.1 3.42 7 700 2932 -8.9 -13.7 68 4.8 -10.4 300 35 292.6 293.0 280.6 298.4 1.89 8 587 4272 -17.5 -24.5 54 7.0 -18.9 297 43 297.7 297.9 281.6 300.6 0.89 9 556 4674 -21.5 -29.5 48 8.0 -22.8 297 45 297.6 297.8 281.1 299.6 0.60 10 500 5450 -25.7 -38.7 29 13.0 -27.1 295 50 301.7 301.8 282.4 302.6 0.27 11 468 5926 -28.9 -44.9 20 16.0 -30.2 295 50 303.5 303.5 283.0 304.0 0.15 12 451 6190 -30.7 -46.7 19 16.0 -31.9 295 50 304.5 304.5 283.4 304.9 0.13 13 400 7030 -37.3 -51.3 22 14.0 -38.0 295 50 306.5 306.5 284.1 306.8 0.08 14 302 8917 -51.3 -63.3 23 12.0 -51.5 290 46 312.4 312.5 286.2 312.5 0.03 15 300 8960 -50.9 -62.9 23 12.0 -51.1 290 46 313.6 313.6 286.6 313.7 0.03 16 278 9453 -52.7 -64.7 22 12.0 -52.9 290 52 317.9 317.9 288.1 318.0 0.02 17 250 10140 -51.3 -64.3 20 13.0 -51.6 285 58 329.8 329.8 291.7 329.9 0.03 18 200 11600 -50.3 -64.3 18 14.0 -50.7 300 38 353.1 353.1 297.3 353.3 0.03 19 194 11797 -49.7 -64.7 16 15.0 -50.1 299 38 357.2 357.2 298.2 357.3 0.03 20 150 13460 -51.9 -67.9 13 16.0 -52.4 295 35 380.6 380.7 302.3 380.8 0.03 21 100 16080 -54.7 -69.7 14 15.0 -55.2 305 17 422.0 422.0 308.0 422.2 0.03 22 73 18083 -56.3 -71.3 14 15.0 -56.8 292 15 458.4 458.4 311.7 458.6 0.03 23 70 18350 -54.7 -69.7 14 15.0 -55.4 290 15 467.4 467.4 312.4 467.6 0.05 24 54 20015 -52.5 -68.5 13 16.0 -53.6 248 13 508.4 508.5 315.6 508.9 0.07 25 50 20510 -53.9 -69.9 12 16.0 -54.9 235 13 516.5 516.5 316.1 516.9 0.06 26 30 23800 -53.9 -68.9 14 15.0 -55.4 240 15 597.7 597.7 320.5 598.6 0.12 27 28 24242 -54.5 -69.5 14 15.0 -56.0 231 15 607.9 608.0 321.0 608.8 0.12 28 21 26102 -50.3 -65.3 15 15.0 -53.1 196 15 672.8 672.9 323.6 675.1 0.28 29 20 26420 -51.5 -66.5 15 15.0 -54.1 190 15 678.5 678.6 323.8 680.7 0.25 30 14 28729 -52.7 -68.7 13 16.0 -55.8 747.3 747.5 325.9 749.8 0.26 TRP 278 9453 -52.7 -64.7 22 12.0 -52.9 290 52 317.9 317.9 288.1 318.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5381.00 m Freezing level: 850.00 mb = 1401.00 m = 4596.40 ft Wetbulb zero: 871.14 mb = 1201.91 m = 3943.22 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 62.00 % Est. max temperature: 12.84 C = 55.11 F Sfc-Lift cond lev (LCL): 869.34 mb = 1218.77 m = 3998.54 ft T: 1.65 C 700-500 lapse rate: 6.67 C/km ThetaE index: 4.99 C Layer 961.0- 925.0 mb Conv cond level (CCL): 833.20 mb = 1560.61 m = 5120.05 ft Mean mixing ratio: 4.31 g/kg Conv temperature: 13.39 C = 56.11 F Cap Strength: 3.22 C Lifted Index: 4.78 C Risk: None Lifted Index @300 mb: 11.25 C Lifted Index @700 mb: 1.80 C Showalter Index: 5.92 C Risk: None Total Totals Index: 48.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.40 C K Index: 17.60 Risk: < 20 % chance of thunderstorms Sweat Index: 104.00 Risk: None Energy Index: 1.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.48 J/kg Max Up Vert Vel: 2.64 m/s Conv Inhibition (B-): 54273.25 J/kg Cap Strength: 4.42 C Lift Cond Lev (LCL): 848.53 mb = 1414.80 m = 4641.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 27 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 ---------------------------------------------------------- 0 996 98 260 7 6.9 1.2 | 159 25 -9.0 23.1 1 925 715 300 25 21.7 -12.5 | 211 11 5.8 9.4 2 850 1401 275 27 26.9 -2.4 | 209 22 11.0 19.6 3 700 2932 300 35 30.3 -17.5 | 253 15 14.4 4.4 4 500 5450 295 50 45.3 -21.1 | 268 29 29.4 0.8 5 400 7030 295 50 45.3 -21.1 | 268 29 29.4 0.8 6 300 8960 290 46 43.2 -15.7 | 257 28 27.3 6.2 7 278 9453 290 52 48.9 -17.8 | 263 33 33.0 4.1 8 250 10140 285 58 56.0 -15.0 | 260 41 40.1 6.9 9 200 11600 300 38 32.9 -19.0 | 260 17 17.0 2.9 10 150 13460 295 35 31.7 -14.8 | 246 17 15.8 7.1 11 100 16080 305 17 13.9 -9.8 | 171 12 -2.0 12.2 12 70 18350 290 15 14.1 -5.1 | 174 17 -1.8 16.8 13 50 20510 235 13 10.6 7.5 | 170 30 -5.2 29.4 14 30 23800 240 15 13.0 7.5 | 174 30 -2.9 29.4 15 20 26420 190 15 2.6 14.8 | 160 39 -13.3 36.7 Wind Parameters Mean winds (0-6000m): 294.1 at 36.1 knts Storm direction: 324.1 at 27.1 knts Shear (0-3000m) pos: 4.9 neg: 1.5 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 96.3 deg Storm rel helicity (0-3000m) pos: 150.5 neg: -5.6 tot: 144.9 m^2/s^2 ave: 48.3 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 63.81 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 ------------------------------------------------------------------------------- 500 290 14 172 17| 16.6 0.0 16.6| 68.8 0.0 68.8 137.6 0.77| 17.3 13.3 1000 292 20 189 15| 8.3 2.7 11.0| 80.6 -0.7 80.0 80.0 0.61| 13.8 8.4 1500 287 22 199 16| 5.5 3.0 8.6| 89.7 -5.6 84.1 56.1 0.50| 11.6 5.8 2000 285 24 205 17| 5.2 2.3 7.5|112.3 -5.6 106.7 53.3 0.55| 10.0 5.5 2500 287 26 211 17| 5.1 1.8 6.9|134.0 -5.6 128.3 51.3 0.59| 9.0 5.3 3000 290 27 217 16| 4.9 1.5 6.4|150.5 -5.6 144.9 48.3 0.62| 8.3 5.1 4000 293 30 229 16| 3.7 1.8 5.5|163.6 -5.6 158.0 39.5 0.60| 7.0 4.2 5000 294 33 240 17| 2.9 2.0 5.0|174.6 -5.6 169.0 33.8 0.56| 6.3 3.5 6000 294 36 247 19| 2.4 1.9 4.3|177.9 -5.6 172.2 28.7 0.55| 5.4 3.0 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20250429.12.gif