UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for ORBB... Searching the city database file for: ORBB ... Date:1200Z 29 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 1001 34 36.8 8.8 18 28.0 19.1 50 10 309.9 311.2 292.2 331.7 7.11 1 999 52 35.2 7.2 18 28.0 17.9 75 4 308.4 309.6 291.2 328.0 6.38 2 925 747 28.4 6.4 25 22.0 15.1 40 3 308.3 309.6 291.2 328.4 6.52 3 850 1487 21.0 5.0 35 16.0 11.6 65 6 308.1 309.4 291.1 327.9 6.44 4 834 1651 19.4 5.4 40 14.0 11.2 82 8 308.1 309.4 291.4 328.8 6.75 5 700 3126 8.2 -11.8 23 20.0 -0.1 235 26 311.6 312.0 288.3 318.7 2.21 6 693 3209 8.0 -15.0 18 23.0 -0.9 235 26 312.2 312.6 288.1 317.9 1.72 7 646 3783 2.4 -8.6 44 11.0 -2.4 233 28 312.2 312.8 289.4 322.1 3.09 8 517 5535 -12.9 -22.9 43 10.0 -15.5 226 35 314.3 314.5 288.2 318.3 1.17 9 514 5580 -13.3 -24.3 39 11.0 -16.1 226 35 314.3 314.5 288.1 317.9 1.04 10 508 5669 -13.7 -33.7 17 20.0 -17.5 225 36 314.9 315.0 287.6 316.5 0.44 11 500 5790 -14.7 -37.7 12 23.0 -18.6 225 36 315.1 315.2 287.5 316.2 0.30 12 490 5943 -15.9 -40.9 10 25.0 -19.7 225 36 315.5 315.5 287.5 316.3 0.22 13 434 6846 -22.3 -50.3 6 28.0 -25.1 228 39 318.5 318.5 288.3 318.8 0.09 14 400 7440 -26.7 -54.7 5 28.0 -28.9 230 40 320.3 320.3 288.9 320.5 0.06 15 300 9450 -40.9 -63.9 7 23.0 -41.7 210 50 327.7 327.7 291.1 327.8 0.02 16 252 10608 -50.5 -67.5 12 17.0 -50.8 215 51 330.2 330.2 291.8 330.3 0.02 17 250 10660 -50.9 -67.9 12 17.0 -51.2 215 51 330.4 330.4 291.9 330.5 0.02 18 200 12090 -57.9 -70.9 17 13.0 -58.0 230 54 341.1 341.1 294.6 341.1 0.01 19 198 12153 -58.1 -71.1 17 13.0 -58.3 235 56 341.7 341.7 294.7 341.8 0.01 20 188 12480 -57.4 -75.3 9 17.9 -57.6 230 62 347.9 347.9 296.2 347.9 0.01 21 180 12754 -56.9 -78.9 5 22.0 -57.1 233 60 353.1 353.1 297.3 353.2 0.00 22 150 13900 -59.7 -83.7 3 24.0 -59.9 245 50 367.2 367.2 300.1 367.2 0.00 23 126 14980 -63.7 -86.7 3 23.0 -63.8 241 46 378.8 378.8 302.1 378.8 0.00 24 100 16410 -60.1 -87.1 2 27.0 -60.4 235 40 411.6 411.6 306.7 411.6 0.00 25 91 16992 -64.7 -88.7 2 24.0 -64.9 228 32 413.7 413.7 307.0 413.7 0.00 26 82 17631 -62.7 -87.7 2 25.0 -63.0 221 24 430.3 430.3 308.9 430.3 0.00 27 70 18600 -65.7 -88.7 3 23.0 -65.9 210 11 443.8 443.8 310.3 443.8 0.00 28 63 19237 -67.7 -89.7 3 22.0 -67.9 179 12 453.0 453.0 311.1 453.0 0.00 29 60 19534 -63.1 -89.1 2 26.0 -63.4 164 12 469.6 469.6 312.6 469.7 0.00 30 56 19957 -65.3 -89.3 2 24.0 -65.5 144 12 474.0 474.0 313.0 474.0 0.00 31 50 20650 -63.5 -89.5 2 26.0 -63.8 110 13 493.8 493.8 314.5 493.9 0.00 32 33 23252 -54.7 -85.7 1 31.0 -56.2 73 6 579.5 579.5 319.6 579.6 0.01 33 30 23860 -55.9 -85.9 1 30.0 -57.3 65 4 592.2 592.3 320.3 592.3 0.01 34 28 24295 -57.3 -86.3 1 29.0 -58.6 96 5 600.2 600.2 320.6 600.2 0.01 35 20 26440 -51.7 -84.7 1 33.0 -54.7 245 10 677.9 677.9 323.7 678.0 0.02 36 14 28772 -48.1 -83.1 1 35.0 -53.2 762.9 762.9 326.3 763.2 0.03 TRP 198 12153 -58.1 -71.1 17 13.0 -58.3 235 56 341.7 341.7 294.7 341.8 0.01 WND 188 12480 -57.4 -75.3 9 17.9 -57.6 230 62 347.9 347.9 296.2 347.9 0.01 Sounding variables and indices 1000-500 mb thick: 5746.85 m Freezing level: 625.76 mb = 4058.04 m = 13313.60 ft Wetbulb zero: 701.16 mb = 3112.05 m = 10210.00 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 33.51 % Est. max temperature: 35.09 C = 95.16 F Sfc-Lift cond lev (LCL): 668.10 mb = 3508.11 m = 11509.41 ft T: 5.08 C 700-500 lapse rate: 8.60 C/km ThetaE index: 10.93 C Layer 700.0- 646.0 mb Conv cond level (CCL): 631.76 mb = 3958.45 m = 12986.89 ft Mean mixing ratio: 6.47 g/kg Conv temperature: 39.42 C = 102.96 F Cap Strength: 3.44 C Lifted Index: -2.59 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.51 C Lifted Index @700 mb: 2.87 C Showalter Index: -2.42 C Risk: Severe thunderstorms possible Total Totals Index: 55.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 35.70 C Cross Totals Index: 19.70 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 236.00 Risk: None Energy Index: -2.21 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 341.05 J/kg Max Up Vert Vel: 26.12 m/s Conv Inhibition (B-): 170.27 J/kg Cap Strength: 3.47 C Lift Cond Lev (LCL): 668.14 mb = 3507.63 m = 11507.84 ft Lev Free Conv (LFC): 583.14 mb = 4588.39 m = 15053.60 ft Equ Level (EL): 313.14 mb = 9150.39 m = 30020.61 ft B at Equ Level: 340.96 J/kg Max Parcel Lev (MPL): 203.14 mb = 11990.03 m = 39336.90 ft Wind level data Storm motion: 259 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 1001 34 50 10 -7.7 -6.4 | 68 25 -23.2 -9.5 1 1000 48 75 4 -3.9 -1.0 | 78 20 -19.4 -4.1 2 925 747 40 3 -1.9 -2.3 | 73 18 -17.5 -5.4 3 850 1487 65 6 -5.4 -2.5 | 75 22 -21.0 -5.6 4 700 3126 235 26 21.3 14.9 | 206 13 5.8 11.9 5 500 5790 225 36 25.5 25.5 | 204 24 9.9 22.4 6 400 7440 230 40 30.6 25.7 | 214 27 15.1 22.7 7 300 9450 210 50 25.0 43.3 | 193 41 9.5 40.2 8 250 10660 215 51 29.3 41.8 | 200 41 13.7 38.7 9 200 12090 230 54 41.4 34.7 | 219 41 25.8 31.7 10 198 12153 235 56 45.9 32.1 | 226 42 30.3 29.1 11 188 12480 230 62 47.5 39.9 | 221 49 32.0 36.8 12 150 13900 245 50 45.3 21.1 | 239 35 29.8 18.1 13 100 16410 235 40 32.8 22.9 | 221 26 17.2 19.9 14 70 18600 210 11 5.5 9.5 | 123 12 -10.0 6.5 15 50 20650 110 13 -12.2 4.4 | 93 28 -27.7 1.4 16 30 23860 65 4 -3.6 -1.7 | 76 20 -19.2 -4.8 17 20 26440 245 10 9.1 4.2 | 100 7 -6.5 1.2 Wind Parameters Mean winds (0-6000m): 228.9 at 21.1 knts Storm direction: 258.9 at 15.8 knts Shear (0-3000m) pos: 6.1 neg: 0.1 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 120.9 deg Storm rel helicity (0-3000m) pos: 286.7 neg: -7.5 tot: 279.1 m^2/s^2 ave: 93.0 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 8.0 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 4.22 Bulk Shear: 80.83 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 64 4 76 19| 6.9 0.0 6.9| 21.5 -5.4 16.1 32.2 0.33| 8.1 2.7 1000 56 4 75 19| 3.4 0.4 3.9| 21.8 -7.5 14.2 14.2 0.23| 5.1 1.2 1500 59 4 75 20| 1.8 0.3 2.1| 28.7 -7.5 21.2 14.1 0.27| 4.4 1.2 2000 78 5 79 21| 3.6 0.2 3.8| 91.8 -7.5 84.3 42.1 0.55| 6.1 3.3 2500 122 8 93 22| 5.4 0.2 5.6|193.6 -7.5 186.1 74.4 0.72| 8.0 5.8 3000 209 10 118 12| 6.1 0.1 6.3|286.7 -7.5 279.1 93.0 0.78| 10.2 8.0 4000 232 14 144 7| 4.9 0.2 5.1|302.1 -7.6 294.5 73.6 0.75| 8.7 6.5 5000 231 18 169 8| 3.9 0.6 4.5|302.1 -9.4 292.7 58.5 0.70| 7.4 5.2 6000 229 21 182 11| 3.3 0.8 4.1|306.0 -12.4 293.7 48.9 0.67| 6.5 4.3 Wrote GIF file: /home/apache/climate/data/raob//ORBB/skewt/ORBB.skewt.20250429.12.gif