UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 25 APR 25 Station: SBTT WMO ident: 82411 Latitude: -4.25 Longitude: -69.94 Elevation: 85.00 ------------------------------------------------------------------------------- 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 1000 85 25.0 24.0 94 1.0 24.3 110 3 298.1 301.6 297.4 353.8 19.11 1 925 771 24.2 18.2 69 6.0 20.0 5 10 304.1 306.7 295.9 346.8 14.36 2 921 809 24.2 18.2 69 6.0 20.0 4 10 304.4 307.1 296.1 347.4 14.43 3 850 1508 20.6 13.6 64 7.0 15.9 15 8 307.7 309.9 295.0 342.8 11.60 4 802 2009 18.2 10.2 60 8.0 13.1 7 11 310.3 312.2 294.4 340.3 9.79 5 700 3163 11.0 6.6 74 4.4 8.3 25 11 314.7 316.3 294.8 342.0 8.77 6 624 4113 4.6 3.6 93 1.0 4.0 38 11 317.9 319.4 295.1 343.1 7.97 7 588 4596 1.6 0.6 93 1.0 1.0 55 11 319.8 321.1 294.7 341.6 6.82 8 500 5890 -4.9 -5.9 93 1.0 -5.4 35 8 327.1 328.0 295.1 343.5 4.93 9 438 6918 -11.5 -11.5 100 0.0 -11.5 62 12 331.3 332.1 295.2 343.7 3.63 10 401 7591 -14.9 -16.6 87 1.7 -15.5 70 12 335.4 335.9 295.4 344.5 2.60 11 400 7610 -15.1 -16.8 87 1.7 -15.7 70 12 335.4 335.9 295.4 344.4 2.57 12 335 8926 -24.3 -26.0 86 1.7 -24.7 65 19 340.2 340.5 295.6 345.3 1.37 13 300 9720 -30.1 -36.1 56 6.0 -31.0 70 18 343.0 343.1 295.6 345.2 0.58 14 282 10157 -33.5 -42.5 40 9.0 -34.6 74 16 344.2 344.3 295.6 345.5 0.32 15 280 10207 -33.9 -41.9 44 8.0 -34.8 76 15 344.3 344.4 295.7 345.7 0.34 16 250 10990 -40.7 -43.1 78 2.4 -40.9 105 10 345.6 345.6 296.0 346.9 0.34 17 243 11183 -42.3 -44.0 83 1.7 -42.5 103 10 346.0 346.0 296.0 347.3 0.32 18 205 12310 -51.7 -56.5 56 4.8 -51.9 119 9 348.4 348.4 296.4 348.8 0.09 19 200 12470 -52.9 -58.9 48 6.0 -53.1 110 7 349.0 349.0 296.5 349.3 0.07 20 178 13212 -58.3 -69.3 23 11.0 -58.5 67 5 352.0 352.0 297.1 352.1 0.02 21 150 14270 -65.5 -79.5 13 14.0 -65.6 305 18 357.2 357.2 298.1 357.3 0.00 22 146 14434 -66.5 -81.5 10 15.0 -66.6 298 19 358.3 358.3 298.4 358.3 0.00 23 126 15312 -73.1 -82.1 24 9.0 -73.1 224 9 361.8 361.8 299.1 361.8 0.00 24 100 16640 -81.3 -87.3 35 6.0 -81.3 110 19 370.6 370.6 300.7 370.7 0.00 25 91 17162 -85.1 -89.1 49 4.0 -85.1 85 24 373.2 373.2 301.1 373.2 0.00 26 84 17606 -81.1 -88.1 30 7.0 -81.1 84 18 390.0 390.0 303.8 390.0 0.00 27 77 18091 -83.1 -90.1 29 7.0 -83.1 90 8 395.7 395.7 304.6 395.7 0.00 28 70 18630 -75.9 -90.9 8 15.0 -75.9 355 5 422.0 422.0 307.9 422.0 0.00 29 62 19350 -66.9 -90.9 2 24.0 -67.1 267 16 456.8 456.8 311.5 456.9 0.00 30 59 19651 -66.7 -89.7 3 23.0 -66.9 270 20 463.8 463.8 312.1 463.8 0.00 31 50 20650 -69.1 -91.1 3 22.0 -69.3 280 33 480.7 480.7 313.5 480.7 0.00 32 44 21423 -62.9 -89.9 1 27.0 -63.4 271 31 513.7 513.7 315.9 513.7 0.00 33 38 22325 -61.7 -89.7 1 28.0 -62.3 251 9 538.8 538.8 317.5 538.8 0.00 34 36 22658 -62.5 -89.5 1 27.0 -63.1 266 6 545.1 545.1 317.8 545.1 0.00 35 31 23586 -59.1 -88.1 1 29.0 -60.1 255 19 578.1 578.1 319.6 578.1 0.01 36 30 23790 -60.5 -88.5 1 28.0 -61.4 215 15 579.7 579.7 319.6 579.7 0.01 37 27 24444 -62.1 -90.1 1 28.0 -62.9 134 16 592.9 592.9 320.3 593.0 0.00 38 26 24680 -56.3 -89.3 1 33.0 -57.9 105 17 615.9 615.9 321.3 615.9 0.01 39 24 25184 -60.3 -88.3 1 28.0 -61.4 84 29 618.5 618.5 321.4 618.5 0.01 40 23 25454 -53.1 -87.1 1 34.0 -55.5 72 33 647.2 647.2 322.6 647.3 0.01 41 20 26350 -55.3 -87.3 1 32.0 -57.5 90 46 666.9 666.9 323.3 667.0 0.01 42 18 27030 -50.3 -85.3 1 35.0 -53.9 86 38 703.1 703.1 324.6 703.2 0.02 43 16 27801 -49.1 -84.1 1 35.0 -53.5 72 42 731.1 731.1 325.4 731.3 0.02 TRP 91 17162 -85.1 -89.1 49 4.0 -85.1 85 24 373.2 373.2 301.1 373.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 566.34 mb = 4914.41 m = 16123.21 ft Wetbulb zero: 574.00 mb = 4788.18 m = 15709.06 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 79.24 % Est. max temperature: 34.58 C = 94.24 F Sfc-Lift cond lev (LCL): 986.00 mb = 209.08 m = 685.94 ft T: 24.86 C 700-500 lapse rate: 5.83 C/km ThetaE index: 7.11 C Layer 850.0- 700.0 mb Conv cond level (CCL): 790.45 mb = 2132.49 m = 6996.28 ft Mean mixing ratio: 16.04 g/kg Conv temperature: 37.65 C = 99.77 F Cap Strength: 3.45 C Lifted Index: -1.76 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.44 C Lifted Index @700 mb: 0.55 C Showalter Index: 0.76 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 18.50 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 187.20 Risk: None Energy Index: 0.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 551.99 J/kg Max Up Vert Vel: 33.23 m/s Conv Inhibition (B-): 187.95 J/kg Cap Strength: 3.45 C Lift Cond Lev (LCL): 894.55 mb = 1062.85 m = 3486.99 ft Lev Free Conv (LFC): 669.55 mb = 3530.57 m = 11583.09 ft Equ Level (EL): 199.55 mb = 12484.19 m = 40958.12 ft B at Equ Level: 550.10 J/kg Max Parcel Lev (MPL): 119.55 mb = 15614.08 m = 51226.67 ft Wind level data Storm motion: 57 at 8 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 1000 85 110 3 -2.8 1.0 | 215 6 3.7 5.2 1 1000 85 5 2 -0.2 -2.0 | 251 7 6.3 2.2 2 975 305 355 4 0.3 -4.0 | 269 7 6.8 0.2 3 942 610 355 7 0.6 -7.0 | 292 8 7.1 -2.8 4 925 771 5 10 -0.9 -10.0 | 316 8 5.6 -5.8 5 910 914 360 9 -0.0 -9.0 | 307 8 6.5 -4.8 6 850 1508 15 8 -2.1 -7.7 | 309 6 4.4 -3.6 7 790 2134 5 12 -1.0 -12.0 | 325 9 5.4 -7.8 8 762 2438 15 17 -4.4 -16.4 | 350 12 2.1 -12.3 9 700 3163 25 11 -4.6 -10.0 | 343 6 1.8 -5.8 10 659 3658 35 10 -5.7 -8.2 | 350 4 0.7 -4.0 11 634 3962 25 10 -4.2 -9.1 | 335 5 2.2 -4.9 12 611 4267 55 12 -9.8 -6.9 | 51 4 -3.4 -2.7 13 546 5182 55 10 -8.2 -5.7 | 48 2 -1.7 -1.6 14 526 5486 35 11 -6.3 -9.0 | 358 5 0.2 -4.8 15 506 5791 35 7 -4.0 -5.7 | 303 3 2.5 -1.6 16 500 5890 35 8 -4.6 -6.6 | 322 3 1.9 -2.4 17 487 6096 50 13 -10.0 -8.4 | 40 5 -3.5 -4.2 18 468 6401 75 14 -13.5 -3.6 | 94 7 -7.1 0.5 19 450 6706 55 12 -9.8 -6.9 | 51 4 -3.4 -2.7 20 432 7010 65 12 -10.9 -5.1 | 78 4 -4.4 -0.9 21 400 7610 70 12 -11.3 -4.1 | 91 5 -4.8 0.1 22 399 7620 70 12 -11.3 -4.1 | 91 5 -4.8 0.1 23 368 8230 65 12 -10.9 -5.1 | 78 4 -4.4 -0.9 24 338 8839 65 19 -17.2 -8.0 | 70 11 -10.7 -3.9 25 300 9720 70 18 -16.9 -6.2 | 79 11 -10.4 -2.0 26 286 10058 70 17 -16.0 -5.8 | 80 10 -9.5 -1.7 27 262 10668 95 10 -10.0 0.9 | 145 6 -3.5 5.0 28 250 10990 105 10 -9.7 2.6 | 155 7 -3.2 6.8 29 229 11582 100 11 -10.8 1.9 | 144 7 -4.4 6.1 30 209 12192 125 10 -8.2 5.7 | 170 10 -1.7 9.9 31 200 12470 110 7 -6.6 2.4 | 179 7 -0.1 6.6 32 172 13411 55 4 -3.3 -2.3 | 240 4 3.2 1.9 33 156 14021 335 11 4.6 -10.0 | 298 13 11.1 -5.8 34 150 14270 305 18 14.7 -10.3 | 286 22 21.2 -6.2 35 141 14630 290 20 18.8 -6.8 | 276 25 25.3 -2.7 36 134 14935 290 15 14.1 -5.1 | 273 21 20.6 -1.0 37 127 15240 225 10 7.1 7.1 | 230 18 13.5 11.2 38 121 15545 220 6 3.9 4.6 | 230 14 10.3 8.8 39 109 16154 135 11 -7.8 7.8 | 174 12 -1.3 11.9 40 100 16640 110 19 -17.9 6.5 | 133 16 -11.4 10.7 41 98 16764 115 19 -17.2 8.0 | 139 16 -10.7 12.2 42 93 17069 90 26 -26.0 0.0 | 102 20 -19.5 4.2 43 91 17162 85 24 -23.9 -2.1 | 97 18 -17.4 2.1 44 88 17374 70 22 -20.7 -7.5 | 77 15 -14.2 -3.4 45 79 17983 105 12 -11.6 3.1 | 145 9 -5.1 7.3 46 74 18288 65 1 -0.9 -0.4 | 236 7 5.6 3.7 47 70 18630 355 5 0.4 -5.0 | 277 7 6.9 -0.8 48 64 19202 265 14 13.9 1.2 | 255 21 20.4 5.4 49 50 20650 280 33 32.5 -5.7 | 272 39 39.0 -1.6 50 49 20726 270 40 40.0 -0.0 | 265 47 46.5 4.2 51 47 21031 280 33 32.5 -5.7 | 272 39 39.0 -1.6 52 45 21336 275 31 30.9 -2.7 | 268 37 37.4 1.5 53 40 21946 250 32 30.1 10.9 | 248 40 36.5 15.1 54 39 22250 245 12 10.9 5.1 | 242 20 17.3 9.2 55 37 22555 265 3 3.0 0.3 | 245 10 9.5 4.4 56 33 23165 270 21 21.0 -0.0 | 261 28 27.5 4.2 57 32 23470 245 19 17.2 8.0 | 243 27 23.7 12.2 58 30 23774 270 20 20.0 -0.0 | 261 27 26.5 4.2 59 30 23790 215 15 8.6 12.3 | 222 22 15.1 16.5 60 26 24689 105 17 -16.4 4.4 | 131 13 -10.0 8.6 61 24 25298 80 31 -30.5 -5.4 | 87 24 -24.1 -1.2 62 23 25603 65 34 -30.8 -14.4 | 67 26 -24.3 -10.2 63 20 26350 90 46 -46.0 0.0 | 96 40 -39.5 4.2 64 19 26518 95 35 -34.9 3.1 | 104 29 -28.4 7.2 65 16 27127 70 42 -39.5 -14.4 | 73 35 -33.0 -10.2 66 14 27737 100 43 -42.3 7.5 | 108 38 -35.9 11.6 67 13 28042 85 51 -50.8 -4.4 | 90 44 -44.3 -0.3 Wind Parameters Mean winds (0-6000m): 27.2 at 10.3 knts Storm direction: 57.2 at 7.7 knts Shear (0-3000m) pos: 1.1 neg: 2.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 129.8 deg Storm rel helicity (0-3000m) pos: 39.2 neg: -4.1 tot: 35.1 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.9 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 104.60 Bulk Shear: 5.28 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 4 5 274 6| 0.0 8.7 8.7| 14.6 0.0 14.6 29.1 0.98| 9.1 9.0 1000 2 7 292 7| 1.2 4.4 5.6| 21.7 -2.3 19.3 19.3 0.79| 7.2 5.7 1500 5 7 298 7| 1.0 2.9 3.9| 22.5 -2.3 20.1 13.4 0.72| 5.5 4.0 2000 7 8 304 7| 0.8 3.1 3.8| 25.4 -2.3 23.1 11.5 0.67| 5.0 3.4 2500 8 9 315 7| 1.6 2.5 4.1| 39.2 -2.4 36.8 14.7 0.69| 5.4 3.7 3000 11 10 322 7| 1.1 2.0 3.1| 39.2 -4.1 35.1 11.7 0.56| 5.2 2.9 4000 16 10 327 7| 1.0 1.5 2.6| 42.2 -5.4 36.8 9.2 0.51| 4.7 2.4 5000 24 10 337 6| 1.2 1.2 2.4| 46.3 -5.6 40.7 8.1 0.53| 4.3 2.3 6000 27 10 340 5| 1.3 1.3 2.6| 51.5 -11.1 40.4 6.7 0.39| 4.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20250425.12.gif