UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:1200Z 21 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 84 220 9 SFC 998 98 23.8 6.8 34 17.0 14.0 220 9 297.1 298.2 287.2 315.4 6.21 2 925 755 17.2 3.2 39 14.0 9.7 235 21 296.9 297.8 286.1 312.3 5.21 3 886 1120 13.2 1.2 44 12.0 7.1 232 21 296.4 297.3 285.4 310.4 4.71 4 850 1468 10.2 0.2 50 10.0 5.2 230 21 296.8 297.7 285.4 310.4 4.56 5 700 3043 -3.1 -11.1 54 8.0 -6.0 225 29 299.1 299.5 283.9 306.2 2.34 6 673 3352 -5.5 -11.5 63 6.0 -7.7 227 29 299.7 300.2 284.2 307.0 2.36 7 669 3399 -5.7 -11.7 63 6.0 -7.8 227 29 300.0 300.5 284.2 307.2 2.33 8 634 3817 -7.9 -19.9 37 12.0 -11.2 229 30 302.2 302.4 283.8 306.2 1.24 9 582 4478 -10.7 -23.7 33 13.0 -13.9 233 30 306.4 306.6 285.2 309.6 0.97 10 557 4813 -13.9 -27.9 30 14.0 -16.9 235 30 306.5 306.6 284.9 308.8 0.69 11 513 5430 -19.5 -26.5 54 7.0 -20.9 239 31 307.0 307.2 285.2 309.9 0.85 12 500 5620 -20.9 -26.9 59 6.0 -22.1 240 31 307.6 307.7 285.5 310.4 0.84 13 490 5769 -22.1 -28.1 58 6.0 -23.2 241 32 307.9 308.0 285.5 310.5 0.77 14 486 5830 -21.3 -27.3 58 6.0 -22.5 241 32 309.6 309.7 286.2 312.4 0.84 15 476 5984 -21.9 -31.9 40 10.0 -23.5 242 33 310.7 310.8 286.2 312.6 0.55 16 462 6203 -23.7 -37.7 26 14.0 -25.5 244 34 311.1 311.2 286.1 312.2 0.32 17 408 7100 -31.3 -38.3 50 7.0 -32.0 249 39 312.5 312.6 286.6 313.8 0.34 18 400 7240 -32.5 -39.5 50 7.0 -33.2 250 40 312.7 312.8 286.7 313.9 0.31 19 301 9178 -48.5 -57.5 34 9.0 -48.7 250 42 316.7 316.7 287.7 316.9 0.05 20 300 9200 -48.3 -57.3 35 9.0 -48.6 250 42 317.3 317.3 287.9 317.5 0.06 21 250 10380 -55.7 -64.7 32 9.0 -55.8 240 38 323.3 323.3 289.8 323.4 0.03 22 249 10406 -55.9 -64.9 32 9.0 -56.1 240 38 323.3 323.3 289.8 323.4 0.02 23 230 10913 -55.5 -65.5 28 10.0 -55.6 247 43 331.4 331.4 292.1 331.5 0.02 24 222 11139 -58.1 -68.1 27 10.0 -58.2 249 45 330.7 330.7 291.9 330.8 0.02 25 220 11196 -58.1 -68.1 27 10.0 -58.2 250 46 331.6 331.6 292.2 331.7 0.02 26 200 11800 -56.9 -66.9 27 10.0 -57.1 250 31 342.7 342.7 295.0 342.8 0.02 27 153 13521 -50.5 -64.5 18 14.0 -51.0 259 22 380.9 380.9 302.4 381.1 0.04 28 150 13650 -50.7 -64.7 17 14.0 -51.2 260 21 382.7 382.7 302.7 382.9 0.04 29 108 15760 -56.5 -74.5 9 18.0 -56.9 264 18 409.4 409.5 306.5 409.5 0.01 30 100 16250 -54.9 -73.9 8 19.0 -55.4 265 17 421.7 421.7 307.9 421.7 0.02 31 74 18177 -55.3 -76.3 6 21.0 -55.9 269 12 458.7 458.7 311.7 458.8 0.02 32 70 18530 -57.3 -78.3 5 21.0 -57.9 270 11 461.8 461.8 312.0 461.9 0.01 33 69 18621 -57.9 -78.9 5 21.0 -58.4 272 11 462.4 462.4 312.0 462.5 0.01 34 50 20660 -57.1 -79.1 5 22.0 -57.9 325 7 508.9 508.9 315.6 509.0 0.02 35 30 23910 -55.7 -78.7 4 23.0 -57.1 320 5 592.8 592.8 320.3 593.0 0.03 36 27 24582 -54.7 -78.7 4 24.0 -56.5 326 7 613.7 613.7 321.2 614.0 0.03 37 20 26490 -57.3 -80.3 4 23.0 -59.0 345 11 660.8 660.8 323.1 661.0 0.03 38 19 26813 -58.7 -81.7 4 23.0 -60.2 666.2 666.2 323.3 666.4 0.03 39 13 29214 -55.7 -79.7 3 24.0 -58.5 753.0 753.0 326.0 753.4 0.05 TRP 220 11196 -58.1 -68.1 27 10.0 -58.2 250 46 331.6 331.6 292.2 331.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5536.00 m Freezing level: 734.96 mb = 2675.89 m = 8779.08 ft Wetbulb zero: 780.21 mb = 2163.03 m = 7096.48 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 45.16 % Est. max temperature: 23.54 C = 74.38 F Sfc-Lift cond lev (LCL): 776.02 mb = 2206.64 m = 7239.53 ft T: 3.96 C 700-500 lapse rate: 6.91 C/km ThetaE index: 5.01 C Layer 925.0- 850.0 mb Conv cond level (CCL): 742.33 mb = 2566.67 m = 8420.73 ft Mean mixing ratio: 5.52 g/kg Conv temperature: 25.13 C = 77.23 F Cap Strength: 1.23 C Lifted Index: -0.56 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.18 C Lifted Index @700 mb: -0.51 C Showalter Index: 1.17 C Risk: Showers probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.10 C Cross Totals Index: 21.10 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 186.11 Risk: None Energy Index: -0.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.36 J/kg Max Up Vert Vel: 9.10 m/s Conv Inhibition (B-): 28.62 J/kg Cap Strength: 1.18 C Lift Cond Lev (LCL): 758.50 mb = 2391.90 m = 7847.33 ft Lev Free Conv (LFC): 713.50 mb = 2888.03 m = 9475.05 ft Equ Level (EL): 613.50 mb = 4071.05 m = 13356.31 ft B at Equ Level: 28.75 J/kg Max Parcel Lev (MPL): 453.50 mb = 6336.98 m = 20790.35 ft Wind level data Storm motion: 262 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 ---------------------------------------------------------- 0 998 98 220 9 5.8 6.9 | 107 14 -13.8 4.2 1 925 755 235 21 17.2 12.0 | 166 10 -2.4 9.3 2 850 1468 230 21 16.1 13.5 | 162 11 -3.5 10.8 3 700 3043 225 29 20.5 20.5 | 183 18 0.9 17.8 4 500 5620 240 31 26.8 15.5 | 210 15 7.3 12.8 5 400 7240 250 40 37.6 13.7 | 239 21 18.0 11.0 6 300 9200 250 42 39.5 14.4 | 240 23 19.9 11.6 7 250 10380 240 38 32.9 19.0 | 219 21 13.3 16.3 8 220 11196 250 46 43.2 15.7 | 241 27 23.6 13.0 9 200 11800 250 31 29.1 10.6 | 230 12 9.5 7.9 10 150 13650 260 21 20.7 3.6 | 230 1 1.1 0.9 11 100 16250 265 17 16.9 1.5 | 65 3 -2.7 -1.2 12 70 18530 270 11 11.0 -0.0 | 72 9 -8.6 -2.7 13 50 20660 325 7 4.0 -5.7 | 61 18 -15.6 -8.5 14 30 23910 320 5 3.2 -3.8 | 68 18 -16.4 -6.6 15 20 26490 345 11 2.8 -10.6 | 51 21 -16.7 -13.3 Wind Parameters Mean winds (0-6000m): 232.1 at 26.4 knts Storm direction: 262.1 at 19.8 knts Shear (0-3000m) pos: 2.1 neg: 1.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 76.6 deg Storm rel helicity (0-3000m) pos: 53.8 neg: -1.5 tot: 52.3 m^2/s^2 ave: 17.4 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.88 Bulk Shear: 22.00 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 ------------------------------------------------------------------------------- 500 229 14 123 11| 9.8 0.0 9.8| 26.8 0.0 26.8 53.7 0.89| 9.8 8.7 1000 232 17 142 10| 6.4 0.0 6.4| 34.7 -0.7 34.0 34.0 0.84| 6.9 5.8 1500 232 18 149 10| 4.2 0.4 4.7| 36.2 -1.5 34.6 23.1 0.77| 5.1 3.9 2000 231 20 155 11| 3.2 0.9 4.1| 42.4 -1.5 40.9 20.4 0.76| 4.5 3.4 2500 230 21 161 11| 2.5 1.3 3.8| 48.3 -1.5 46.7 18.7 0.73| 4.2 3.1 3000 229 22 166 12| 2.1 1.5 3.6| 53.8 -1.5 52.3 17.4 0.71| 3.9 2.8 4000 229 24 173 13| 1.8 1.1 2.9| 66.4 -1.5 64.8 16.2 0.73| 3.3 2.4 5000 230 25 179 14| 1.6 0.9 2.5| 78.6 -1.5 77.1 15.4 0.76| 3.0 2.2 6000 232 26 185 14| 1.7 0.7 2.5| 95.9 -1.5 94.4 15.7 0.77| 2.9 2.2 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20250421.12.gif