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 SBSN... Searching the city database file for: SBSN ... Date:0000Z 27 APR 25 Station: SBSN WMO ident: 82244 Latitude: -2.42 Longitude: -54.79 Elevation: 60.00 ------------------------------------------------------------------------------- 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 1005 60 26.0 23.7 87 2.3 24.3 90 1 298.7 302.1 297.3 353.2 18.66 1 1000 103 26.0 24.0 89 2.0 24.6 90 1 299.1 302.6 297.7 355.0 19.11 2 961 453 23.2 22.5 96 0.7 22.7 73 7 299.7 303.1 297.3 352.8 18.14 3 949 564 23.8 20.7 83 3.1 21.6 67 9 301.4 304.4 296.5 349.7 16.41 4 925 788 22.8 19.9 84 2.9 20.8 55 10 302.6 305.6 296.6 350.0 16.01 5 850 1521 18.4 16.2 87 2.2 16.9 60 13 305.4 308.0 295.8 346.6 13.76 6 772 2343 13.6 13.2 97 0.4 13.3 83 10 308.8 311.1 295.8 346.6 12.46 7 700 3165 9.4 8.8 96 0.6 9.0 70 11 312.9 314.8 295.4 344.5 10.22 8 607 4338 3.0 3.0 100 0.0 3.0 108 13 318.5 320.1 295.1 343.5 7.85 9 513 5687 -4.5 -4.8 98 0.3 -4.7 101 23 325.2 326.2 294.9 342.4 5.23 10 500 5890 -4.9 -6.3 90 1.4 -5.6 90 24 327.1 328.0 295.0 343.0 4.78 11 475 6293 -5.9 -10.9 68 5.0 -8.1 90 27 330.7 331.4 295.0 342.6 3.51 12 464 6476 -7.3 -13.3 62 6.0 -9.8 90 28 331.1 331.7 294.6 341.3 2.96 13 461 6526 -7.7 -11.7 73 4.0 -9.4 90 28 331.3 331.9 295.0 342.9 3.39 14 450 6714 -8.3 -20.3 37 12.0 -12.4 90 27 332.8 333.1 294.0 338.8 1.69 15 443 6836 -9.1 -13.8 69 4.7 -11.0 90 27 333.3 333.9 295.2 343.6 2.97 16 429 7084 -10.3 -17.3 56 7.0 -12.9 90 26 334.8 335.3 295.0 342.9 2.29 17 405 7525 -13.1 -15.5 82 2.4 -14.0 90 25 336.8 337.3 295.9 346.7 2.83 18 400 7620 -13.5 -16.7 77 3.2 -14.7 90 25 337.4 338.0 295.9 346.6 2.59 19 396 7696 -13.9 -17.1 77 3.2 -15.1 89 25 337.9 338.4 296.0 346.9 2.53 20 390 7812 -14.1 -19.1 66 5.0 -15.9 88 26 339.1 339.6 296.0 346.9 2.17 21 300 9750 -28.1 -30.2 82 2.1 -28.5 80 26 345.8 346.0 296.5 349.7 1.04 22 295 9870 -28.9 -31.3 80 2.4 -29.4 82 26 346.3 346.5 296.6 349.9 0.95 23 250 11030 -38.5 -41.5 73 3.0 -38.8 60 29 348.8 348.9 296.7 350.4 0.40 24 201 12488 -51.3 -56.1 56 4.8 -51.5 80 31 351.0 351.1 297.0 351.4 0.10 25 200 12520 -51.9 -56.6 57 4.7 -52.1 80 31 350.6 350.6 296.8 351.0 0.09 26 195 12683 -53.3 -57.5 60 4.2 -53.4 81 29 350.9 350.9 296.9 351.2 0.08 27 161 13882 -63.9 -66.2 73 2.3 -63.9 97 16 352.8 352.8 297.3 352.9 0.03 28 150 14310 -67.5 -71.1 60 3.6 -67.5 130 11 353.8 353.8 297.5 353.9 0.02 29 139 14764 -71.5 -76.5 47 5.0 -71.5 135 17 354.6 354.6 297.6 354.6 0.01 30 130 15155 -75.1 -78.9 55 3.8 -75.1 135 19 355.0 355.0 297.7 355.0 0.01 31 106 16315 -82.5 -86.6 49 4.1 -82.5 90 8 362.2 362.2 299.1 362.3 0.00 32 100 16640 -82.9 -87.2 47 4.3 -82.9 75 13 367.6 367.6 300.1 367.6 0.00 33 93 17045 -84.3 -88.5 47 4.2 -84.3 70 16 372.5 372.5 301.0 372.5 0.00 34 88 17353 -83.3 -89.3 34 6.0 -83.3 84 22 380.4 380.4 302.3 380.4 0.00 35 87 17418 -79.7 -87.7 25 8.0 -79.7 87 21 388.9 388.9 303.6 388.9 0.00 36 84 17619 -76.9 -85.9 22 9.0 -76.9 93 18 398.5 398.5 305.0 398.5 0.00 37 80 17900 -78.3 -88.3 18 10.0 -78.3 152 22 401.3 401.3 305.4 401.3 0.00 38 74 18351 -74.9 -87.9 12 13.0 -74.9 191 13 417.5 417.5 307.4 417.5 0.00 39 70 18680 -68.7 -86.7 6 18.0 -68.8 250 18 437.4 437.4 309.6 437.4 0.00 40 60 19593 -73.1 -89.1 7 16.0 -73.2 264 38 447.3 447.3 310.6 447.3 0.00 41 51 20553 -69.9 -89.9 4 20.0 -70.1 267 39 476.1 476.1 313.1 476.1 0.00 TRP 93 17045 -84.3 -88.5 47 4.2 -84.3 70 16 372.5 372.5 301.0 372.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 569.40 mb = 4877.73 m = 16002.87 ft Wetbulb zero: 570.16 mb = 4840.09 m = 15879.38 ft Precipitable water: 2.53 inches Sfc-500 mean rel hum: 94.46 % Est. max temperature: 32.51 C = 90.53 F Sfc-Lift cond lev (LCL): 972.37 mb = 349.69 m = 1147.27 ft T: 24.03 C 700-500 lapse rate: 5.25 C/km ThetaE index: 7.61 C Layer 850.0- 500.0 mb Conv cond level (CCL): 882.81 mb = 1192.66 m = 3912.88 ft Mean mixing ratio: 17.28 g/kg Conv temperature: 31.45 C = 88.62 F Cap Strength: 1.65 C Lifted Index: -2.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.70 C Lifted Index @700 mb: -1.69 C Showalter Index: -0.70 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.10 C K Index: 38.90 Risk: > 80 % chance of thunderstorms Sweat Index: 244.40 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 537.08 J/kg Max Up Vert Vel: 32.77 m/s Conv Inhibition (B-): 31.76 J/kg Cap Strength: 1.65 C Lift Cond Lev (LCL): 925.20 mb = 786.10 m = 2579.05 ft Lev Free Conv (LFC): 830.20 mb = 1722.21 m = 5650.24 ft Equ Level (EL): 180.20 mb = 13176.68 m = 43230.07 ft B at Equ Level: 533.73 J/kg Max Parcel Lev (MPL): 100.20 mb = 16628.85 m = 54555.94 ft Wind level data Storm motion: 118 at 10 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 1005 60 90 1 -1.0 0.0 | 301 9 7.6 -4.6 1 1000 103 90 1 -1.0 0.0 | 301 9 7.6 -4.6 2 977 305 80 6 -5.9 -1.0 | 334 6 2.7 -5.6 3 944 610 65 9 -8.2 -3.8 | 357 8 0.5 -8.4 4 925 788 55 10 -8.2 -5.7 | 358 10 0.4 -10.3 5 912 914 55 11 -9.0 -6.3 | 2 11 -0.4 -10.9 6 880 1219 50 14 -10.7 -9.0 | 9 14 -2.1 -13.6 7 850 1521 60 13 -11.3 -6.5 | 13 11 -2.6 -11.1 8 850 1524 60 15 -13.0 -7.5 | 20 13 -4.4 -12.1 9 820 1829 70 11 -10.3 -3.8 | 12 9 -1.7 -8.3 10 791 2134 80 10 -9.8 -1.7 | 11 6 -1.2 -6.3 11 763 2438 85 10 -10.0 -0.9 | 14 6 -1.3 -5.5 12 736 2743 90 11 -11.0 0.0 | 28 5 -2.4 -4.6 13 710 3048 70 11 -10.3 -3.8 | 12 9 -1.7 -8.3 14 700 3165 70 11 -10.3 -3.8 | 12 9 -1.7 -8.3 15 684 3353 85 12 -12.0 -1.0 | 31 7 -3.3 -5.6 16 659 3658 95 8 -8.0 0.7 | 351 4 0.6 -3.9 17 611 4267 110 13 -12.2 4.4 | 88 4 -3.6 -0.1 18 588 4572 100 15 -14.8 2.6 | 72 6 -6.2 -2.0 19 567 4877 115 18 -16.3 7.6 | 111 8 -7.7 3.0 20 526 5486 95 19 -18.9 1.7 | 74 11 -10.3 -2.9 21 506 5791 105 25 -24.1 6.5 | 97 16 -15.5 1.9 22 500 5890 90 24 -24.0 0.0 | 73 16 -15.4 -4.6 23 487 6096 90 24 -24.0 0.0 | 73 16 -15.4 -4.6 24 468 6401 90 28 -28.0 0.0 | 77 20 -19.4 -4.6 25 400 7620 90 25 -25.0 0.0 | 74 17 -16.4 -4.6 26 368 8230 85 28 -27.9 -2.4 | 70 21 -19.3 -7.0 27 354 8534 75 26 -25.1 -6.7 | 56 20 -16.5 -11.3 28 326 9144 90 25 -25.0 0.0 | 74 17 -16.4 -4.6 29 300 9750 80 26 -25.6 -4.5 | 62 19 -17.0 -9.1 30 287 10058 85 27 -26.9 -2.4 | 69 20 -18.3 -6.9 31 263 10668 60 24 -20.8 -12.0 | 36 21 -12.2 -16.6 32 250 11030 60 29 -25.1 -14.5 | 41 25 -16.5 -19.1 33 220 11887 75 33 -31.9 -8.5 | 61 27 -23.3 -13.1 34 200 12520 80 31 -30.5 -5.4 | 66 24 -21.9 -10.0 35 165 13716 85 18 -17.9 -1.6 | 57 11 -9.3 -6.1 36 150 14310 130 11 -8.4 7.1 | 184 2 0.2 2.5 37 150 14326 110 9 -8.5 3.1 | 354 2 0.2 -1.5 38 142 14630 135 16 -11.3 11.3 | 158 7 -2.7 6.7 39 121 15545 135 22 -15.6 15.6 | 148 13 -6.9 11.0 40 109 16154 135 12 -8.5 8.5 | 182 4 0.1 3.9 41 103 16459 45 3 -2.1 -2.1 | 316 9 6.5 -6.7 42 100 16640 75 13 -12.6 -3.4 | 26 9 -3.9 -7.9 43 98 16764 85 13 -13.0 -1.1 | 37 7 -4.3 -5.7 44 93 17045 70 16 -15.0 -5.5 | 33 12 -6.4 -10.1 45 93 17069 60 15 -13.0 -7.5 | 20 13 -4.4 -12.1 46 88 17374 85 22 -21.9 -1.9 | 64 15 -13.3 -6.5 47 83 17678 95 17 -16.9 1.5 | 70 9 -8.3 -3.1 48 79 17983 170 24 -4.2 23.6 | 193 20 4.4 19.1 49 75 18288 165 14 -3.6 13.5 | 209 10 5.0 8.9 50 71 18593 275 11 11.0 -1.0 | 286 20 19.6 -5.5 51 70 18680 250 18 16.9 6.2 | 266 26 25.5 1.6 52 67 18898 245 19 17.2 8.0 | 262 26 25.8 3.5 53 60 19507 265 39 38.9 3.4 | 271 47 47.5 -1.2 54 56 19812 270 40 40.0 -0.0 | 275 49 48.6 -4.6 55 53 20117 265 44 43.8 3.8 | 271 52 52.4 -0.7 56 47 20726 270 29 29.0 -0.0 | 277 38 37.6 -4.6 Wind Parameters Mean winds (0-6000m): 88.0 at 13.0 knts Storm direction: 118.0 at 9.8 knts Shear (0-3000m) pos: 1.2 neg: 2.4 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 70.7 deg Storm rel helicity (0-3000m) pos: 29.7 neg: -6.9 tot: 22.8 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.7 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 63.10 Bulk Shear: 8.51 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 75 5 329 7| 0.0 7.8 7.8| 12.2 0.0 12.2 24.3 0.82| 8.2 6.8 1000 63 8 348 8| 0.0 6.0 6.0| 17.8 0.0 17.8 17.8 0.67| 6.7 4.4 1500 59 10 358 10| 1.0 4.0 5.0| 27.5 0.0 27.5 18.4 0.65| 6.1 4.0 2000 62 10 2 9| 1.4 3.0 4.4| 27.6 -3.6 23.9 12.0 0.44| 6.0 2.6 2500 66 10 5 9| 1.4 2.4 3.8| 28.7 -3.7 25.0 10.0 0.44| 5.2 2.3 3000 69 10 7 8| 1.2 2.4 3.6| 29.7 -6.9 22.8 7.6 0.33| 5.1 1.7 4000 74 10 10 8| 1.8 1.8 3.6| 37.3 -11.0 26.3 6.6 0.31| 5.2 1.6 5000 84 11 24 6| 1.8 1.7 3.5| 47.4 -16.1 31.3 6.3 0.31| 5.4 1.7 6000 88 13 41 7| 1.5 2.2 3.7| 62.2 -50.2 12.0 2.0 0.15| 5.9 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250427.00.gif