UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:1200Z 18 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 ------------------------------------------------------------------------------- SFC 1002 98 27.2 10.2 34 17.0 16.7 130 3 300.2 301.6 289.8 323.3 7.81 1 1000 119 26.8 9.8 34 17.0 16.4 135 3 300.0 301.3 289.5 322.5 7.62 2 958 494 22.0 7.0 38 15.0 13.3 185 12 298.8 300.0 288.2 318.2 6.57 3 925 796 19.4 5.4 40 14.0 11.4 225 19 299.1 300.3 287.8 317.2 6.08 4 850 1514 12.6 3.6 54 9.0 7.7 245 15 299.3 300.4 287.6 316.7 5.83 5 754 2503 3.4 -2.6 65 6.0 0.6 260 17 299.8 300.6 286.2 312.4 4.19 6 743 2622 2.4 -3.6 65 6.0 -0.3 262 18 300.0 300.7 286.0 311.9 3.94 7 700 3101 -0.5 -10.5 47 10.0 -4.3 270 19 301.9 302.4 285.1 309.6 2.45 8 643 3777 -2.7 -20.7 24 18.0 -8.1 275 18 306.9 307.1 285.5 310.6 1.14 9 596 4375 -6.3 -26.3 19 20.0 -11.3 280 18 309.4 309.6 286.0 312.0 0.75 10 500 5720 -17.5 -37.5 16 20.0 -20.6 290 17 311.7 311.8 286.3 312.8 0.30 11 400 7340 -30.1 -44.1 24 14.0 -31.4 310 17 315.9 315.9 287.6 316.6 0.19 12 339 8496 -39.3 -55.3 17 16.0 -40.1 313 22 318.6 318.7 288.3 318.9 0.06 13 300 9320 -46.9 -62.9 14 16.0 -47.3 315 25 319.3 319.3 288.5 319.4 0.03 14 261 10225 -53.7 -67.7 16 14.0 -53.9 323 23 322.2 322.2 289.5 322.3 0.02 15 250 10500 -54.9 -68.9 16 14.0 -55.1 325 23 324.4 324.4 290.1 324.5 0.01 16 222 11254 -58.9 -72.9 15 14.0 -59.0 325 33 329.5 329.5 291.6 329.5 0.01 17 204 11785 -59.1 -73.1 15 14.0 -59.2 333 35 337.3 337.3 293.6 337.3 0.01 18 200 11910 -57.7 -71.7 15 14.0 -57.9 335 36 341.4 341.4 294.7 341.4 0.01 19 190 12236 -53.9 -67.9 16 14.0 -54.2 329 33 352.5 352.6 297.2 352.6 0.02 20 175 12761 -55.9 -69.9 16 14.0 -56.1 319 27 357.6 357.6 298.2 357.7 0.02 21 156 13497 -52.3 -67.3 15 15.0 -52.7 305 20 375.7 375.7 301.6 375.9 0.03 22 150 13750 -52.1 -67.1 15 15.0 -52.5 300 17 380.3 380.3 302.3 380.4 0.03 23 120 15183 -53.9 -69.9 12 16.0 -54.4 347 20 402.1 402.1 305.5 402.2 0.03 24 100 16340 -57.7 -74.7 10 17.0 -58.0 25 23 416.2 416.2 307.3 416.3 0.02 25 96 16599 -59.5 -75.5 11 16.0 -59.8 17 21 417.6 417.6 307.4 417.7 0.01 26 70 18600 -57.5 -74.5 10 17.0 -58.0 315 9 461.4 461.4 311.9 461.5 0.02 27 54 20248 -57.1 -75.1 8 18.0 -57.8 330 9 497.8 497.8 314.8 498.0 0.03 28 50 20740 -54.7 -73.7 8 19.0 -55.7 335 9 514.6 514.6 315.9 514.8 0.04 29 45 21414 -53.1 -72.1 8 19.0 -54.4 343 9 534.2 534.2 317.2 534.5 0.05 30 30 24030 -51.1 -72.1 6 21.0 -53.3 15 9 605.3 605.4 320.9 605.9 0.08 31 20 26660 -51.9 -73.9 5 22.0 -54.7 25 29 677.3 677.3 323.7 678.0 0.09 32 19 26992 -51.9 -73.9 5 22.0 -54.8 687.3 687.4 324.0 688.1 0.09 33 14 28957 -55.1 -77.1 5 22.0 -57.9 739.2 739.2 325.7 739.9 0.08 TRP 222 11254 -58.9 -72.9 15 14.0 -59.0 325 33 329.5 329.5 291.6 329.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5601.00 m Freezing level: 707.41 mb = 3018.35 m = 9902.60 ft Wetbulb zero: 746.89 mb = 2579.30 m = 8462.16 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 37.36 % Est. max temperature: 26.36 C = 79.45 F Sfc-Lift cond lev (LCL): 780.91 mb = 2213.36 m = 7261.61 ft T: 6.09 C 700-500 lapse rate: 6.49 C/km ThetaE index: 13.71 C Layer 1000.0- 643.0 mb Conv cond level (CCL): 756.62 mb = 2473.93 m = 8116.48 ft Mean mixing ratio: 6.60 g/kg Conv temperature: 26.82 C = 80.28 F Cap Strength: 1.56 C Lifted Index: -0.41 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.83 C Lifted Index @700 mb: -0.40 C Showalter Index: 0.76 C Risk: Thunderstorms probable Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 21.10 C K Index: 23.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 247.59 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.06 J/kg Max Up Vert Vel: 8.01 m/s Conv Inhibition (B-): 15.09 J/kg Cap Strength: 1.52 C Lift Cond Lev (LCL): 763.15 mb = 2403.04 m = 7883.90 ft Lev Free Conv (LFC): 748.15 mb = 2565.63 m = 8417.30 ft Equ Level (EL): 678.15 mb = 3353.40 m = 11001.85 ft B at Equ Level: 7.04 J/kg Max Parcel Lev (MPL): 648.15 mb = 3713.62 m = 12183.63 ft Wind level data Storm motion: 296 at 13 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 98 130 3 -2.3 1.9 | 119 16 -13.6 7.5 1 1000 119 135 3 -2.1 2.1 | 120 15 -13.4 7.7 2 925 796 225 19 13.4 13.4 | 186 19 2.1 19.0 3 850 1514 245 15 13.6 6.3 | 191 12 2.3 11.9 4 700 3101 270 19 19.0 -0.0 | 234 9 7.7 5.5 5 500 5720 290 17 16.0 -5.8 | 273 5 4.7 -0.3 6 400 7340 310 17 13.0 -10.9 | 342 6 1.7 -5.4 7 300 9320 315 25 17.7 -17.7 | 332 14 6.4 -12.1 8 250 10500 325 23 13.2 -18.8 | 352 13 1.9 -13.3 9 222 11254 325 33 18.9 -27.0 | 340 23 7.6 -21.5 10 200 11910 335 36 15.2 -32.6 | 352 27 3.9 -27.1 11 150 13750 300 17 14.7 -8.5 | 311 5 3.4 -3.0 12 100 16340 25 23 -9.7 -20.8 | 54 26 -21.0 -15.3 13 70 18600 315 9 6.4 -6.4 | 81 5 -4.9 -0.8 14 50 20740 335 9 3.8 -8.2 | 71 8 -7.5 -2.6 15 30 24030 15 9 -2.3 -8.7 | 77 14 -13.6 -3.2 16 20 26660 25 29 -12.3 -26.3 | 49 31 -23.6 -20.7 Wind Parameters Mean winds (0-6000m): 266.1 at 16.8 knts Storm direction: 296.1 at 12.6 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 115.4 deg Storm rel helicity (0-3000m) pos: 143.9 neg: 0.0 tot: 143.9 m^2/s^2 ave: 48.0 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.83 Bulk Shear: 38.82 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 ------------------------------------------------------------------------------- 500 188 8 144 17| 13.9 0.0 13.9| 69.7 0.0 69.7 139.4 0.91| 15.6 14.3 1000 222 13 170 15| 9.4 0.0 9.4|119.9 0.0 119.9 119.9 0.87| 14.0 12.2 1500 229 14 177 15| 5.7 0.0 5.7|122.7 0.0 122.7 81.8 0.77| 10.9 8.4 2000 235 14 182 14| 4.7 0.0 4.7|129.8 0.0 129.8 64.9 0.78| 8.8 6.9 2500 241 15 188 13| 4.1 0.0 4.1|136.8 0.0 136.8 54.7 0.80| 7.6 6.0 3000 246 16 194 12| 3.7 0.0 3.7|143.9 0.0 143.9 48.0 0.81| 6.8 5.5 4000 254 16 204 11| 2.7 0.0 2.7|147.6 0.0 147.6 36.9 0.80| 5.4 4.3 5000 261 17 212 10| 2.1 0.0 2.1|150.5 0.0 150.5 30.1 0.79| 4.6 3.6 6000 266 17 219 9| 1.7 0.0 1.7|153.7 0.0 153.7 25.6 0.80| 4.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20250418.12.gif