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 SB099... Searching the city database file for: SB099 ... Date:1200Z 21 APR 25 Station: SB099 WMO ident: 82099 Latitude: 0.05 Longitude: -51.07 ------------------------------------------------------------------------------- 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 1009 21 25.8 24.4 92 1.4 24.8 20 2 298.2 301.7 297.6 354.7 19.41 1 1000 99 24.8 24.0 95 0.8 24.2 360 5 298.0 301.4 297.4 353.5 19.11 2 925 783 21.8 19.0 84 2.8 19.8 60 11 301.6 304.4 295.8 346.1 15.12 3 850 1514 17.8 16.2 90 1.6 16.7 115 13 304.8 307.3 295.7 345.9 13.76 4 796 2074 14.8 13.3 91 1.5 13.8 121 12 307.4 309.6 295.3 344.1 12.15 5 761 2455 14.0 10.2 78 3.8 11.6 114 14 310.5 312.4 294.8 342.1 10.33 6 700 3157 9.8 7.2 84 2.6 8.2 110 10 313.3 315.1 294.7 341.7 9.15 7 541 5255 -2.5 -2.7 99 0.2 -2.6 95 13 322.6 323.8 294.7 341.5 5.81 8 500 5880 -4.3 -8.9 70 4.6 -6.4 90 11 327.8 328.6 294.6 340.9 3.90 9 496 5943 -4.7 -9.6 69 4.9 -6.9 90 11 328.1 328.8 294.5 340.6 3.72 10 458 6565 -8.7 -9.8 92 1.1 -9.2 111 11 330.6 331.4 295.3 344.1 3.97 11 400 7600 -14.9 -16.8 85 1.9 -15.6 135 13 335.6 336.1 295.4 344.7 2.57 12 316 9346 -26.7 -29.4 78 2.7 -27.3 91 14 342.6 342.8 295.9 346.6 1.06 13 300 9720 -29.5 -32.4 76 2.9 -30.0 110 14 343.8 344.0 296.0 347.0 0.84 14 273 10384 -34.9 -37.0 81 2.1 -35.2 85 18 345.4 345.5 296.1 347.7 0.59 15 250 10990 -39.5 -43.1 68 3.6 -39.9 100 22 347.3 347.4 296.4 348.7 0.34 16 219 11884 -46.5 -55.5 35 9.0 -46.9 100 29 349.9 350.0 296.7 350.3 0.09 17 200 12480 -51.9 -57.9 48 6.0 -52.1 90 28 350.6 350.6 296.8 350.9 0.08 18 174 13366 -60.5 -63.7 66 3.2 -60.6 76 17 350.6 350.7 296.8 350.8 0.04 19 161 13847 -63.3 -74.3 21 11.0 -63.4 85 12 353.8 353.8 297.4 353.8 0.01 20 150 14280 -66.1 -75.1 27 9.0 -66.2 195 7 356.2 356.2 298.0 356.3 0.01 21 124 15409 -74.3 -81.3 33 7.0 -74.3 226 14 361.2 361.3 299.0 361.3 0.00 22 100 16640 -80.3 -88.3 25 8.0 -80.3 135 9 372.6 372.6 301.0 372.6 0.00 23 97 16812 -80.9 -88.9 25 8.0 -80.9 120 11 374.7 374.7 301.4 374.7 0.00 24 95 16930 -77.1 -88.1 16 11.0 -77.1 120 11 384.4 384.4 302.9 384.4 0.00 25 91 17178 -76.7 -87.7 16 11.0 -76.7 120 11 389.9 389.9 303.8 389.9 0.00 26 78 18050 -83.3 -91.3 24 8.0 -83.3 120 10 393.8 393.8 304.3 393.8 0.00 27 74 18351 -72.1 -88.1 7 16.0 -72.2 147 12 423.4 423.4 308.1 423.4 0.00 28 71 18596 -70.3 -89.3 5 19.0 -70.4 233 20 432.2 432.2 309.1 432.2 0.00 29 70 18680 -71.1 -89.1 5 18.0 -71.2 275 32 432.3 432.3 309.1 432.3 0.00 30 64 19207 -73.5 -89.5 7 16.0 -73.6 270 40 438.2 438.2 309.7 438.2 0.00 TRP 97 16812 -80.9 -88.9 25 8.0 -80.9 120 11 374.7 374.7 301.4 374.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 573.32 mb = 4828.57 m = 15841.57 ft Wetbulb zero: 579.39 mb = 4696.83 m = 15409.36 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 88.08 % Est. max temperature: 32.03 C = 89.65 F Sfc-Lift cond lev (LCL): 989.13 mb = 194.88 m = 639.36 ft T: 24.38 C 700-500 lapse rate: 5.18 C/km ThetaE index: 14.08 C Layer 1000.0- 458.0 mb Conv cond level (CCL): 896.29 mb = 1055.58 m = 3463.16 ft Mean mixing ratio: 16.94 g/kg Conv temperature: 30.42 C = 86.75 F Cap Strength: 1.16 C Lifted Index: -1.21 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.93 C Lifted Index @700 mb: -0.71 C Showalter Index: 0.19 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.50 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 231.40 Risk: None Energy Index: -1.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 463.58 J/kg Max Up Vert Vel: 30.45 m/s Conv Inhibition (B-): 18.84 J/kg Cap Strength: 1.16 C Lift Cond Lev (LCL): 933.53 mb = 702.48 m = 2304.69 ft Lev Free Conv (LFC): 828.53 mb = 1732.34 m = 5683.48 ft Equ Level (EL): 768.53 mb = 2371.82 m = 7781.45 ft B at Equ Level: 17.74 J/kg Max Parcel Lev (MPL): 118.53 mb = 15666.99 m = 51400.25 ft Wind level data Storm motion: 128 at 9 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 1009 21 20 2 -0.7 -1.9 | 319 10 6.3 -7.3 1 1000 99 360 5 -0.0 -5.0 | 326 12 6.9 -10.4 2 977 305 30 11 -5.5 -9.5 | 354 15 1.4 -14.9 3 943 610 50 11 -8.4 -7.1 | 7 13 -1.5 -12.5 4 925 783 60 11 -9.5 -5.5 | 13 11 -2.6 -10.9 5 911 914 65 10 -9.1 -4.2 | 12 10 -2.1 -9.6 6 850 1514 115 13 -11.8 5.5 | 91 5 -4.8 0.1 7 849 1524 125 13 -10.6 7.5 | 119 4 -3.7 2.1 8 790 2134 120 12 -10.4 6.0 | 100 4 -3.5 0.6 9 762 2438 115 14 -12.7 5.9 | 95 6 -5.7 0.5 10 735 2743 100 11 -10.8 1.9 | 48 5 -3.9 -3.5 11 709 3048 115 11 -10.0 4.6 | 76 3 -3.0 -0.7 12 700 3157 110 10 -9.4 3.4 | 51 3 -2.5 -2.0 13 634 3962 115 10 -9.1 4.2 | 61 2 -2.1 -1.2 14 610 4267 85 14 -13.9 -1.2 | 47 10 -7.0 -6.6 15 588 4572 100 15 -14.8 2.6 | 70 8 -7.8 -2.8 16 500 5880 90 11 -11.0 0.0 | 37 7 -4.1 -5.4 17 486 6096 90 11 -11.0 0.0 | 37 7 -4.1 -5.4 18 415 7315 145 11 -6.3 9.0 | 190 4 0.6 3.6 19 400 7600 135 13 -9.2 9.2 | 149 4 -2.3 3.8 20 383 7925 125 13 -10.6 7.5 | 119 4 -3.7 2.1 21 367 8230 135 14 -9.9 9.9 | 147 5 -3.0 4.5 22 338 8839 95 13 -13.0 1.1 | 55 7 -6.0 -4.3 23 311 9449 90 14 -14.0 0.0 | 53 9 -7.1 -5.4 24 300 9720 110 14 -13.2 4.8 | 85 6 -6.2 -0.6 25 299 9754 110 13 -12.2 4.4 | 80 5 -5.3 -0.9 26 286 10058 110 12 -11.3 4.1 | 74 5 -4.3 -1.3 27 274 10363 85 18 -17.9 -1.6 | 58 13 -11.0 -7.0 28 250 10990 100 22 -21.7 3.8 | 84 15 -14.7 -1.6 29 219 11887 100 29 -28.6 5.0 | 89 22 -21.6 -0.3 30 200 12480 90 28 -28.0 0.0 | 76 22 -21.1 -5.4 31 172 13411 75 16 -15.5 -4.1 | 42 13 -8.5 -9.5 32 156 14021 90 10 -10.0 0.0 | 30 6 -3.1 -5.4 33 150 14280 195 7 1.8 6.8 | 261 9 8.8 1.4 34 149 14326 160 5 -1.7 4.7 | 277 5 5.2 -0.7 35 141 14630 205 11 4.6 10.0 | 248 12 11.6 4.6 36 134 14935 215 18 10.3 14.7 | 242 20 17.3 9.4 37 121 15545 230 12 9.2 7.7 | 262 16 16.1 2.3 38 115 15850 270 15 15.0 -0.0 | 284 23 21.9 -5.4 39 109 16154 275 13 13.0 -1.1 | 288 21 19.9 -6.5 40 100 16640 135 9 -6.4 6.4 | 210 1 0.6 1.0 41 98 16764 325 10 5.7 -8.2 | 317 19 12.7 -13.6 42 97 16812 120 11 -9.5 5.5 | 93 3 -2.6 0.1 43 75 18288 120 10 -8.7 5.0 | 77 2 -1.7 -0.4 44 71 18593 230 19 14.6 12.2 | 252 23 21.5 6.8 45 70 18680 275 32 31.9 -2.8 | 282 40 38.8 -8.2 46 67 18898 270 28 28.0 -0.0 | 279 35 34.9 -5.4 47 63 19202 270 43 43.0 -0.0 | 276 50 49.9 -5.4 48 60 19507 265 37 36.9 3.2 | 273 44 43.8 -2.2 Wind Parameters Mean winds (0-6000m): 97.8 at 11.7 knts Storm direction: 127.8 at 8.8 knts Shear (0-3000m) pos: 2.0 neg: 0.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 113.5 deg Storm rel helicity (0-3000m) pos: 63.4 neg: -7.4 tot: 56.0 m^2/s^2 ave: 18.7 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 3.3 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 25.30 Bulk Shear: 18.33 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 29 9 348 13| 9.5 0.0 9.5| 36.4 0.0 36.4 72.7 0.79| 13.4 10.6 1000 45 10 360 12| 4.9 0.0 4.9| 46.5 -0.1 46.4 46.4 0.72| 9.8 7.0 1500 65 10 14 10| 4.6 0.0 4.6| 61.2 -0.1 61.1 40.7 0.78| 10.1 7.8 2000 83 11 30 8| 3.5 0.2 3.7| 61.8 -1.0 60.8 30.4 0.73| 7.9 5.8 2500 92 11 42 7| 2.8 0.5 3.3| 61.8 -3.4 58.3 23.3 0.60| 7.1 4.3 3000 95 11 45 6| 2.0 0.4 2.4| 63.4 -7.4 56.0 18.7 0.49| 6.8 3.3 4000 100 11 49 5| 1.5 0.4 1.9| 63.7 -8.3 55.3 13.8 0.43| 5.5 2.4 5000 99 12 52 6| 1.2 0.7 1.9| 70.7 -13.0 57.8 11.6 0.36| 5.5 2.0 6000 98 12 51 6| 1.0 0.6 1.6| 70.7 -18.3 52.4 8.7 0.29| 4.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20250421.12.gif