UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:1200Z 17 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 1007 98 19.4 11.4 60 8.0 14.6 180 5 292.0 293.5 287.4 316.0 8.43 1 1000 163 17.8 8.8 56 9.0 12.6 185 7 291.0 292.2 285.8 311.2 7.12 2 951 589 13.2 6.2 62 7.0 9.4 204 15 290.5 291.6 284.7 308.4 6.26 3 925 821 11.8 5.8 67 6.0 8.5 215 19 291.4 292.5 285.1 309.3 6.26 4 850 1526 8.4 3.7 72 4.7 5.9 250 23 294.9 296.0 286.1 312.1 5.88 5 811 1912 5.8 1.6 74 4.2 3.7 250 23 296.2 297.1 285.9 311.8 5.30 6 738 2679 1.8 -6.2 55 8.0 -1.6 250 23 299.9 300.5 285.2 309.8 3.26 7 700 3103 -1.5 -11.5 46 10.0 -5.2 250 23 300.8 301.2 284.5 307.9 2.26 8 568 4735 -11.3 -28.3 23 17.0 -15.0 269 23 307.8 308.0 285.3 310.0 0.65 9 512 5522 -16.7 -23.7 55 7.0 -18.4 278 23 310.6 310.8 286.8 314.2 1.10 10 500 5700 -17.9 -25.9 50 8.0 -19.7 280 23 311.2 311.4 286.9 314.3 0.93 11 470 6160 -20.9 -37.9 20 17.0 -23.3 279 22 313.0 313.1 286.8 314.2 0.31 12 432 6777 -25.9 -47.9 11 22.0 -27.9 277 20 314.3 314.4 287.0 314.8 0.12 13 400 7330 -30.3 -43.3 27 13.0 -31.5 275 19 315.6 315.6 287.5 316.4 0.21 14 307 9147 -45.9 -54.9 35 9.0 -46.2 243 21 318.6 318.6 288.3 318.8 0.07 15 300 9300 -47.1 -56.1 35 9.0 -47.4 240 21 319.0 319.0 288.5 319.2 0.06 16 267 10065 -52.7 -60.7 37 8.0 -52.9 250 20 321.6 321.6 289.3 321.8 0.04 17 250 10490 -53.9 -62.9 32 9.0 -54.1 255 19 325.9 325.9 290.6 326.1 0.03 18 246 10594 -54.5 -63.5 32 9.0 -54.6 260 21 326.5 326.6 290.7 326.7 0.03 19 203 11825 -55.1 -66.1 24 11.0 -55.3 297 25 344.0 344.0 295.3 344.2 0.03 20 200 11920 -54.5 -65.5 25 11.0 -54.7 300 25 346.5 346.5 295.8 346.6 0.03 21 178 12667 -51.9 -64.9 20 13.0 -52.2 298 23 362.5 362.5 299.2 362.6 0.03 22 150 13770 -52.1 -68.1 13 16.0 -52.5 295 21 380.3 380.3 302.3 380.4 0.03 23 137 14356 -52.5 -69.5 11 17.0 -52.9 295 21 389.6 389.6 303.8 389.7 0.02 24 100 16360 -59.1 -77.1 8 18.0 -59.4 295 21 413.5 413.5 306.9 413.6 0.01 25 82 17614 -55.5 -74.5 8 19.0 -56.1 301 14 445.0 445.1 310.4 445.2 0.02 26 70 18620 -56.3 -76.3 6 20.0 -56.9 305 9 463.9 463.9 312.1 464.0 0.02 27 50 20760 -56.3 -77.3 5 21.0 -57.2 335 9 510.8 510.8 315.7 510.9 0.02 28 38 22514 -51.9 -73.9 5 22.0 -53.6 31 12 563.7 563.7 318.9 564.0 0.05 29 30 24040 -52.1 -75.1 5 23.0 -54.1 80 15 602.6 602.6 320.7 603.0 0.05 30 20 26660 -52.1 -76.1 4 24.0 -54.9 100 25 676.7 676.7 323.7 677.2 0.06 31 13 29437 -54.1 -78.1 4 24.0 -57.3 758.5 758.5 326.2 759.1 0.07 TRP 246 10594 -54.5 -63.5 32 9.0 -54.6 260 21 326.5 326.6 290.7 326.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5537.00 m Freezing level: 717.27 mb = 2910.29 m = 9548.07 ft Wetbulb zero: 760.44 mb = 2435.59 m = 7990.70 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 51.15 % Est. max temperature: 22.04 C = 71.67 F Sfc-Lift cond lev (LCL): 894.17 mb = 1103.66 m = 3620.87 ft T: 10.44 C 700-500 lapse rate: 6.31 C/km ThetaE index: 7.62 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 776.21 mb = 2268.72 m = 7443.23 ft Mean mixing ratio: 6.56 g/kg Conv temperature: 25.36 C = 77.64 F Cap Strength: 4.37 C Lifted Index: 4.55 C Risk: None Lifted Index @300 mb: 6.73 C Lifted Index @700 mb: 2.70 C Showalter Index: 3.12 C Risk: None Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 21.60 C K Index: 20.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 200.90 Risk: None Energy Index: 0.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.11 J/kg Max Up Vert Vel: 3.20 m/s Conv Inhibition (B-): 51324.64 J/kg Cap Strength: 4.41 C Lift Cond Lev (LCL): 857.67 mb = 1451.13 m = 4760.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 16 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 1007 98 180 5 0.0 5.0 | 120 18 -15.6 9.2 1 1000 163 185 7 0.6 7.0 | 127 19 -15.0 11.2 2 925 821 215 19 10.9 15.6 | 167 20 -4.7 19.7 3 850 1526 250 23 21.6 7.9 | 206 13 6.0 12.0 4 700 3103 250 23 21.6 7.9 | 206 13 6.0 12.0 5 500 5700 280 23 22.7 -4.0 | 268 7 7.0 0.2 6 400 7330 275 19 18.9 -1.7 | 233 4 3.3 2.5 7 300 9300 240 21 18.2 10.5 | 190 15 2.6 14.7 8 250 10490 255 19 18.4 4.9 | 197 10 2.7 9.1 9 246 10594 260 21 20.7 3.6 | 213 9 5.1 7.8 10 200 11920 300 25 21.7 -12.5 | 324 10 6.0 -8.3 11 150 13770 295 21 19.0 -8.9 | 324 6 3.4 -4.7 12 100 16360 295 21 19.0 -8.9 | 324 6 3.4 -4.7 13 70 18620 305 9 7.4 -5.2 | 83 8 -8.2 -1.0 14 50 20760 335 9 3.8 -8.2 | 71 12 -11.8 -4.0 15 30 24040 80 15 -14.8 -2.6 | 93 30 -30.4 1.6 16 20 26660 100 25 -24.6 4.3 | 102 41 -40.2 8.5 Wind Parameters Mean winds (0-6000m): 255.0 at 21.5 knts Storm direction: 285.0 at 16.2 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 86.0 deg Storm rel helicity (0-3000m) pos: 132.7 neg: 0.0 tot: 132.7 m^2/s^2 ave: 44.2 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 43.93 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 ------------------------------------------------------------------------------- 500 197 10 138 19| 10.9 0.0 10.9| 54.4 0.0 54.4 108.8 0.98| 11.2 11.0 1000 212 14 154 18| 9.1 0.0 9.1|102.9 0.0 102.9 102.9 0.96| 10.7 10.3 1500 225 17 168 16| 7.5 0.0 7.5|132.7 0.0 132.7 88.5 0.93| 10.1 9.4 2000 233 18 177 15| 5.6 0.0 5.6|132.7 0.0 132.7 66.4 0.93| 7.5 7.0 2500 238 19 183 15| 4.5 0.0 4.5|132.7 0.0 132.7 53.1 0.93| 6.0 5.6 3000 240 20 187 14| 3.7 0.0 3.7|132.7 0.0 132.7 44.2 0.93| 5.0 4.7 4000 245 21 194 13| 2.9 0.0 2.9|143.6 0.0 143.6 35.9 0.91| 4.4 4.0 5000 250 21 201 12| 2.4 0.0 2.4|153.0 0.0 153.0 30.6 0.90| 4.0 3.6 6000 255 22 208 11| 2.1 0.1 2.2|158.2 -1.2 157.0 26.2 0.86| 3.6 3.1 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20250417.12.gif