UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:0000Z 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 1004 98 13.6 9.8 78 3.8 11.4 190 1 286.4 287.7 284.4 307.6 7.59 1 1000 142 15.8 10.9 73 4.9 12.9 200 7 289.0 290.4 286.1 312.1 8.21 2 997 168 16.6 11.6 72 5.0 13.6 202 8 290.0 291.5 286.9 314.4 8.63 3 978 332 19.4 11.4 60 8.0 14.5 211 11 294.4 296.0 288.5 319.4 8.68 4 947 608 18.0 8.0 52 10.0 12.2 228 17 295.7 297.0 287.6 316.4 7.12 5 925 808 16.2 6.2 51 10.0 10.6 240 21 295.9 297.0 286.9 314.7 6.43 6 850 1520 10.2 3.2 62 7.0 6.5 275 11 296.8 297.9 286.6 313.5 5.67 7 795 2071 5.0 0.0 70 5.0 2.5 273 14 297.0 297.9 285.8 311.3 4.81 8 739 2663 0.6 -7.4 55 8.0 -2.7 271 18 298.5 299.0 284.4 307.5 2.96 9 719 2884 1.8 -13.2 32 15.0 -3.7 271 20 302.2 302.5 284.7 308.2 1.92 10 700 3099 0.2 -18.8 22 19.0 -5.8 270 21 302.7 302.9 284.1 306.7 1.24 11 676 3377 -1.3 -23.3 17 22.0 -7.5 273 23 304.1 304.2 284.1 306.9 0.86 12 594 4391 -7.9 -29.9 15 22.0 -12.8 282 29 307.9 308.0 285.2 309.7 0.54 13 500 5700 -18.3 -39.3 14 21.0 -21.3 295 38 310.7 310.8 285.9 311.6 0.25 14 400 7320 -32.3 -50.3 15 18.0 -33.5 310 40 313.0 313.0 286.5 313.4 0.10 15 358 8095 -38.5 -51.5 24 13.0 -39.2 312 33 314.8 314.8 287.1 315.1 0.09 16 300 9290 -47.1 -60.1 21 13.0 -47.4 315 21 319.0 319.0 288.5 319.1 0.04 17 284 9648 -49.7 -62.7 20 13.0 -50.0 312 23 320.3 320.3 288.9 320.4 0.03 18 250 10470 -53.7 -66.7 19 13.0 -53.9 305 27 326.2 326.2 290.6 326.3 0.02 19 235 10867 -56.9 -69.9 18 13.0 -57.1 305 27 327.2 327.2 290.9 327.3 0.01 20 222 11230 -56.7 -69.7 18 13.0 -56.9 305 27 332.9 332.9 292.5 332.9 0.01 21 213 11492 -59.3 -72.3 17 13.0 -59.5 305 27 332.8 332.8 292.5 332.8 0.01 22 200 11890 -57.9 -70.9 17 13.0 -58.0 305 25 341.1 341.1 294.6 341.1 0.01 23 190 12219 -50.7 -64.7 17 14.0 -51.1 295 23 357.7 357.7 298.2 357.8 0.03 24 173 12830 -50.1 -64.1 18 14.0 -50.5 277 20 368.4 368.4 300.3 368.6 0.04 25 158 13417 -54.7 -68.7 16 14.0 -55.0 260 17 370.3 370.3 300.7 370.4 0.02 26 150 13750 -53.7 -68.7 14 15.0 -54.1 250 15 377.5 377.6 301.9 377.7 0.02 27 140 14195 -51.7 -67.7 13 16.0 -52.2 261 15 388.6 388.6 303.6 388.7 0.03 28 100 16340 -58.9 -74.9 11 16.0 -59.2 315 17 413.9 413.9 307.0 414.0 0.01 29 80 17744 -55.3 -73.3 9 18.0 -55.9 309 12 448.6 448.6 310.7 448.7 0.02 30 70 18590 -56.5 -74.5 9 18.0 -57.1 305 9 463.5 463.5 312.1 463.6 0.02 31 50 20740 -54.9 -73.9 8 19.0 -55.9 345 11 514.1 514.1 315.9 514.3 0.03 32 45 21415 -55.7 -74.7 8 19.0 -56.6 0 11 527.9 527.9 316.8 528.1 0.03 33 30 24030 -51.9 -72.9 6 21.0 -53.9 60 11 603.2 603.2 320.7 603.6 0.07 34 26 24959 -50.1 -72.1 6 22.0 -52.8 72 19 633.5 633.5 322.0 634.1 0.09 35 20 26660 -52.5 -74.5 5 22.0 -55.2 95 33 675.5 675.5 323.6 676.1 0.08 36 13 29430 -54.7 -77.7 4 23.0 -57.8 756.4 756.5 326.1 757.1 0.07 37 10 31124 -50.9 -74.9 4 24.0 -55.8 829.5 829.6 328.0 831.1 0.15 TRP 213 11492 -59.3 -72.3 17 13.0 -59.5 305 27 332.8 332.8 292.5 332.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5558.00 m Freezing level: 696.80 mb = 3136.03 m = 10288.69 ft Wetbulb zero: 767.73 mb = 2353.82 m = 7722.42 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 36.96 % Est. max temperature: 23.97 C = 75.15 F Sfc-Lift cond lev (LCL): 948.26 mb = 596.43 m = 1956.75 ft T: 18.06 C 700-500 lapse rate: 7.11 C/km ThetaE index: 11.91 C Layer 947.0- 719.0 mb Conv cond level (CCL): 809.18 mb = 1925.52 m = 6317.24 ft Mean mixing ratio: 7.46 g/kg Conv temperature: 24.16 C = 75.49 F Cap Strength: 2.28 C Lifted Index: 0.37 C Risk: Showers probable Lifted Index @300 mb: 2.45 C Lifted Index @700 mb: 1.47 C Showalter Index: 1.84 C Risk: Showers probable Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 21.50 C K Index: 12.70 Risk: None Sweat Index: 118.40 Risk: None Energy Index: -0.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.76 J/kg Max Up Vert Vel: 10.37 m/s Conv Inhibition (B-): 89.87 J/kg Cap Strength: 2.28 C Lift Cond Lev (LCL): 839.03 mb = 1627.07 m = 5338.09 ft Lev Free Conv (LFC): 764.03 mb = 2393.00 m = 7850.95 ft Equ Level (EL): 724.03 mb = 2827.49 m = 9276.43 ft B at Equ Level: 26.37 J/kg Max Parcel Lev (MPL): 684.03 mb = 3282.77 m = 10770.10 ft Wind level data Storm motion: 309 at 17 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 1004 98 190 1 0.2 1.0 | 132 18 -13.4 12.0 1 1000 142 200 7 2.4 6.6 | 148 21 -11.2 17.6 2 925 808 240 21 18.2 10.5 | 192 22 4.6 21.5 3 850 1520 275 11 11.0 -1.0 | 165 10 -2.6 10.1 4 700 3099 270 21 21.0 -0.0 | 214 13 7.4 11.0 5 500 5700 295 38 34.4 -16.1 | 284 21 20.9 -5.0 6 400 7320 310 40 30.6 -25.7 | 311 23 17.1 -14.7 7 300 9290 315 21 14.8 -14.8 | 342 4 1.3 -3.8 8 250 10470 305 27 22.1 -15.5 | 298 10 8.5 -4.5 9 213 11492 305 27 22.1 -15.5 | 298 10 8.5 -4.5 10 200 11890 305 25 20.5 -14.3 | 296 8 6.9 -3.3 11 150 13750 250 15 14.1 5.1 | 182 16 0.5 16.1 12 100 16340 315 17 12.0 -12.0 | 57 2 -1.6 -1.0 13 70 18590 305 9 7.4 -5.2 | 133 9 -6.2 5.9 14 50 20740 345 11 2.8 -10.6 | 92 11 -10.7 0.4 15 30 24030 60 11 -9.5 -5.5 | 103 24 -23.1 5.5 16 20 26660 95 33 -32.9 2.9 | 107 48 -46.4 13.9 Wind Parameters Mean winds (0-6000m): 279.1 at 23.3 knts Storm direction: 309.1 at 17.5 knts Shear (0-3000m) pos: 2.0 neg: 1.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 82.1 deg Storm rel helicity (0-3000m) pos: 150.9 neg: -18.9 tot: 132.0 m^2/s^2 ave: 44.0 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 4.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.99 Bulk Shear: 54.14 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 ------------------------------------------------------------------------------- 500 219 11 162 21| 16.3 0.0 16.3| 89.8 0.0 89.8 179.6 0.95| 17.7 16.8 1000 236 15 177 19| 8.5 0.0 8.5|125.2 -3.3 122.0 122.0 0.74| 15.0 11.2 1500 243 15 178 18| 3.9 0.0 3.9|125.6 -18.9 106.7 71.2 0.46| 12.6 5.8 2000 250 14 179 16| 2.9 0.8 3.8|134.1 -18.9 115.3 57.6 0.50| 10.3 5.2 2500 256 15 182 15| 2.4 1.3 3.7|142.6 -18.9 123.7 49.5 0.54| 8.9 4.8 3000 259 15 186 14| 2.0 1.6 3.6|150.9 -18.9 132.0 44.0 0.55| 8.0 4.4 4000 265 18 197 13| 2.4 1.2 3.6|178.6 -18.9 159.7 39.9 0.61| 7.0 4.3 5000 272 20 213 12| 2.7 1.0 3.7|211.7 -18.9 192.8 38.6 0.65| 6.4 4.2 6000 279 23 232 12| 2.7 0.8 3.5|249.9 -18.9 231.0 38.5 0.68| 6.0 4.1 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20250418.00.gif