UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for ORBB... Searching the city database file for: ORBB ... Date:0000Z 27 APR 25 Station: ORBB WMO ident: 40650 Latitude: 33.23 Longitude: 44.23 Elevation: 34.00 ------------------------------------------------------------------------------- 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 34 24.6 9.6 39 15.0 15.5 300 6 297.6 298.9 288.6 319.5 7.50 1 1000 58 25.6 11.6 42 14.0 16.8 335 9 298.8 300.3 290.0 324.0 8.60 2 925 742 24.6 6.6 31 18.0 13.9 20 17 304.5 305.7 290.1 324.4 6.62 3 850 1479 20.6 5.6 37 15.0 11.7 175 15 307.7 309.0 291.2 328.3 6.72 4 700 3121 9.4 -9.6 25 19.0 1.0 220 31 312.9 313.4 289.2 321.4 2.63 5 500 5790 -13.5 -16.4 79 2.9 -14.5 240 48 316.6 317.0 289.9 323.6 2.12 6 400 7460 -23.3 -29.3 58 6.0 -24.5 220 55 324.7 324.9 291.0 327.7 0.85 7 300 9490 -40.9 -44.4 69 3.5 -41.2 195 55 327.7 327.8 291.3 328.7 0.25 8 250 10700 -51.7 -55.4 64 3.7 -51.8 200 71 329.2 329.2 291.6 329.5 0.08 9 214 11683 -59.4 -64.0 55 4.6 -59.5 210 81 332.3 332.3 292.4 332.4 0.03 10 200 12100 -62.7 -67.7 51 5.0 -62.7 215 69 333.5 333.5 292.7 333.6 0.02 11 199 12131 -62.9 -68.9 44 6.0 -63.0 215 68 333.6 333.6 292.7 333.7 0.02 12 150 13900 -59.1 -82.1 4 23.0 -59.3 235 52 368.3 368.3 300.2 368.3 0.00 13 100 16430 -64.7 -87.7 3 23.0 -64.8 245 37 402.7 402.7 305.6 402.7 0.00 TRP 199 12131 -62.9 -68.9 44 6.0 -63.0 215 68 333.6 333.6 292.7 333.7 0.02 WND 214 11683 -59.4 -64.0 55 4.6 -59.5 210 81 332.3 332.3 292.4 332.4 0.03 Sounding variables and indices 1000-500 mb thick: 5732.00 m Freezing level: 617.90 mb = 4216.57 m = 13833.73 ft Wetbulb zero: 686.87 mb = 3271.25 m = 10732.31 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 42.26 % Est. max temperature: 34.66 C = 94.39 F Sfc-Lift cond lev (LCL): 803.25 mb = 1957.41 m = 6421.87 ft T: 17.34 C 700-500 lapse rate: 8.58 C/km ThetaE index: 6.86 C Layer 700.0- 500.0 mb Conv cond level (CCL): 634.96 mb = 3894.53 m = 12777.18 ft Mean mixing ratio: 7.38 g/kg Conv temperature: 41.22 C = 106.19 F Cap Strength: 8.13 C Lifted Index: 0.54 C Risk: Showers probable Lifted Index @300 mb: 3.03 C Lifted Index @700 mb: 7.21 C Showalter Index: -1.45 C Risk: Thunderstorms probable Total Totals Index: 53.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 34.10 C Cross Totals Index: 19.10 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 367.49 Risk: Showers and thunderstorms possible Energy Index: -0.88 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.34 J/kg Max Up Vert Vel: 6.38 m/s Conv Inhibition (B-): 5965.98 J/kg Cap Strength: 8.13 C Lift Cond Lev (LCL): 748.05 mb = 2559.50 m = 8397.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 22 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 34 300 6 5.2 -3.0 | 66 18 -16.7 -7.5 1 1000 58 335 9 3.8 -8.2 | 55 22 -18.1 -12.6 2 925 742 20 17 -5.8 -16.0 | 54 34 -27.7 -20.5 3 850 1479 175 15 -1.3 14.9 | 114 25 -23.2 10.5 4 700 3121 220 31 19.9 23.7 | 174 19 -1.9 19.3 5 500 5790 240 48 41.6 24.0 | 225 28 19.7 19.5 6 400 7460 220 55 35.4 42.1 | 200 40 13.5 37.6 7 300 9490 195 55 14.2 53.1 | 171 49 -7.6 48.6 8 250 10700 200 71 24.3 66.7 | 182 62 2.4 62.2 9 214 11683 210 81 40.5 70.1 | 196 68 18.6 65.7 10 200 12100 215 69 39.6 56.5 | 199 55 17.7 52.0 11 199 12131 215 68 39.0 55.7 | 198 54 17.1 51.2 12 150 13900 235 52 42.6 29.8 | 219 33 20.7 25.3 13 100 16430 245 37 33.5 15.6 | 226 16 11.7 11.2 Wind Parameters Mean winds (0-6000m): 228.4 at 29.8 knts Storm direction: 258.4 at 22.3 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 104.0 deg Storm rel helicity (0-3000m) pos: 499.4 neg: -31.6 tot: 467.8 m^2/s^2 ave: 155.9 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 14.4 stream: 9.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.11 Bulk Shear: 188.08 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 ------------------------------------------------------------------------------- 500 354 12 52 26| 13.7 0.0 13.7| 1.6 -31.6 -30.0 -60.0 -0.39| 14.3 -5.6 1000 19 14 56 32| 10.9 0.0 10.9|180.6 -31.6 149.0 149.0 0.36| 18.6 6.7 1500 23 15 57 33| 6.7 0.0 6.7|371.5 -31.6 339.9 226.6 0.55| 21.2 11.7 2000 105 15 89 37| 6.0 0.0 6.0|413.1 -31.6 381.5 190.8 0.59| 17.6 10.4 2500 187 17 122 23| 5.5 0.0 5.5|455.9 -31.6 424.3 169.7 0.63| 15.6 9.8 3000 205 19 132 19| 5.1 0.0 5.1|499.4 -31.6 467.8 155.9 0.66| 14.4 9.5 4000 216 22 147 16| 4.6 0.0 4.6|543.6 -31.6 512.0 128.0 0.69| 11.9 8.2 5000 223 26 164 15| 4.2 0.0 4.2|589.3 -31.6 557.7 111.5 0.71| 10.4 7.3 6000 228 30 181 15| 3.8 0.2 4.0|626.5 -44.8 581.7 97.0 0.68| 9.4 6.4 Wrote GIF file: /home/apache/climate/data/raob//ORBB/skewt/ORBB.skewt.20250427.00.gif