UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 15 OCT 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 24.0 22.0 89 2.0 22.6 60 2 297.1 300.2 295.7 346.0 16.87 1 960 440 22.4 22.3 99 0.1 22.3 313 3 299.0 302.3 296.9 351.4 17.93 2 945 578 25.2 16.2 57 9.0 19.1 16 4 303.2 305.5 294.3 339.9 12.35 3 925 765 24.6 14.6 54 10.0 17.9 50 8 304.5 306.6 293.9 338.4 11.37 4 850 1500 19.4 13.4 68 6.0 15.4 20 4 306.5 308.6 294.6 340.9 11.44 5 782 2213 14.4 11.5 83 2.9 12.5 37 3 308.5 310.6 294.7 341.8 10.97 6 700 3145 10.0 6.2 77 3.8 7.7 80 5 313.6 315.2 294.3 340.1 8.53 7 543 5216 -1.9 -3.7 87 1.8 -2.8 233 4 323.0 324.1 294.4 340.5 5.37 8 519 5575 -3.3 -7.2 74 3.9 -5.1 242 4 325.5 326.4 294.3 339.8 4.30 9 500 5870 -5.7 -8.1 83 2.4 -6.8 250 4 326.1 326.9 294.3 340.0 4.16 10 483 6141 -6.9 -11.2 71 4.3 -8.7 215 5 327.9 328.5 294.1 339.2 3.37 11 458 6554 -10.5 -11.3 94 0.8 -10.8 218 6 328.4 329.1 294.4 340.3 3.52 12 422 7183 -12.7 -17.5 67 4.8 -14.4 222 8 333.3 333.8 294.7 341.4 2.29 13 400 7590 -16.1 -18.5 82 2.4 -16.9 225 9 334.1 334.5 294.8 341.9 2.22 14 367 8231 -20.9 -24.4 73 3.5 -21.8 200 13 336.0 336.3 294.6 341.2 1.45 15 342 8749 -23.9 -25.7 85 1.8 -24.4 175 10 338.8 339.1 295.3 343.8 1.38 16 330 9008 -26.1 -27.4 89 1.3 -26.4 201 8 339.2 339.5 295.2 343.7 1.22 17 300 9690 -31.3 -33.2 83 1.9 -31.6 270 3 341.3 341.4 295.3 344.2 0.78 18 266 10527 -37.7 -41.5 68 3.8 -38.1 171 5 343.9 343.9 295.6 345.4 0.38 19 254 10842 -40.1 -51.1 30 11.0 -40.8 133 6 344.9 344.9 295.6 345.4 0.14 20 250 10950 -41.1 -51.1 33 10.0 -41.8 120 6 345.0 345.0 295.6 345.5 0.14 21 223 11718 -47.3 -62.3 16 15.0 -47.8 91 13 346.9 346.9 296.0 347.1 0.04 22 209 12144 -50.9 -56.9 49 6.0 -51.1 97 20 347.8 347.8 296.2 348.1 0.08 23 206 12239 -51.9 -61.9 29 10.0 -52.2 98 22 347.6 347.6 296.1 347.8 0.04 24 200 12430 -53.1 -62.1 33 9.0 -53.4 100 25 348.7 348.7 296.4 348.9 0.04 25 192 12692 -55.1 -67.1 21 12.0 -55.4 103 20 349.6 349.6 296.5 349.7 0.02 26 190 12759 -55.7 -66.7 24 11.0 -55.9 102 21 349.7 349.7 296.6 349.8 0.03 27 169 13494 -62.5 -66.6 58 4.1 -62.6 94 32 350.3 350.3 296.7 350.4 0.03 28 150 14220 -68.5 -73.5 48 5.0 -68.5 85 44 352.1 352.1 297.1 352.1 0.01 29 138 14716 -72.1 -76.1 55 4.0 -72.1 74 36 354.2 354.2 297.5 354.3 0.01 30 135 14845 -72.5 -77.5 47 5.0 -72.5 70 33 355.8 355.8 297.8 355.8 0.01 31 133 14933 -72.1 -79.1 34 7.0 -72.1 68 31 358.0 358.0 298.3 358.0 0.01 32 125 15295 -75.1 -78.4 60 3.3 -75.1 58 23 359.0 359.0 298.5 359.0 0.01 33 101 16523 -78.1 -84.1 37 6.0 -78.1 238 33 375.8 375.8 301.5 375.8 0.00 34 100 16580 -78.1 -84.1 37 6.0 -78.1 250 35 376.8 376.8 301.7 376.8 0.00 35 92 17054 -79.3 -84.3 43 5.0 -79.3 264 41 383.6 383.6 302.8 383.6 0.00 36 84 17567 -81.5 -86.5 42 5.0 -81.5 250 38 389.2 389.2 303.7 389.2 0.00 37 80 17840 -81.7 -86.7 42 5.0 -81.7 243 36 394.2 394.3 304.4 394.3 0.00 38 70 18610 -70.1 -89.1 5 19.0 -70.2 285 29 434.4 434.4 309.3 434.4 0.00 39 69 18695 -69.9 -89.9 4 20.0 -70.0 285 29 436.6 436.6 309.6 436.6 0.00 40 66 18958 -71.5 -89.5 5 18.0 -71.6 286 28 438.7 438.7 309.7 438.8 0.00 41 61 19423 -69.5 -90.5 3 21.0 -69.6 289 20 453.2 453.2 311.1 453.2 0.00 42 58 19727 -64.1 -90.1 2 26.0 -64.4 320 15 472.0 472.0 312.8 472.0 0.00 43 50 20620 -69.9 -91.9 3 22.0 -70.1 125 25 478.8 478.8 313.4 478.8 0.00 44 46 21118 -69.3 -93.3 2 24.0 -69.5 104 38 491.8 491.8 314.4 491.8 0.00 45 45 21250 -66.5 -92.5 1 26.0 -66.8 98 41 501.7 501.7 315.1 501.7 0.00 46 43 21526 -65.3 -91.3 2 26.0 -65.7 92 40 511.2 511.2 315.7 511.2 0.00 47 38 22275 -67.7 -92.7 2 25.0 -68.0 91 46 523.5 523.5 316.5 523.5 0.00 48 35 22776 -62.7 -91.7 1 29.0 -63.3 89 56 549.0 549.0 318.1 549.0 0.00 49 30 23730 -61.5 -91.5 1 30.0 -62.3 80 56 577.0 577.0 319.5 577.0 0.00 50 26 24620 -61.1 -92.1 1 31.0 -62.0 80 58 602.2 602.2 320.7 602.2 0.00 51 22 25673 -55.9 -89.9 1 34.0 -57.8 93 64 647.2 647.2 322.6 647.2 0.01 52 20 26290 -48.9 -86.9 0 38.0 -52.7 95 73 686.5 686.5 324.0 686.6 0.01 53 19 26627 -48.7 -86.7 0 38.0 -52.7 95 74 697.3 697.3 324.3 697.3 0.01 54 15 28175 -50.5 -88.5 0 38.0 -54.6 95 80 740.0 740.1 325.7 740.1 0.01 TRP 84 17567 -81.5 -86.5 42 5.0 -81.5 250 38 389.2 389.2 303.7 389.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 568.07 mb = 4885.23 m = 16027.47 ft Wetbulb zero: 585.13 mb = 4606.64 m = 15113.45 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 78.01 % Est. max temperature: 33.32 C = 91.97 F Sfc-Lift cond lev (LCL): 971.60 mb = 335.81 m = 1101.74 ft T: 22.87 C 700-500 lapse rate: 5.76 C/km ThetaE index: 12.97 C Layer 945.0- 850.0 mb Conv cond level (CCL): 802.98 mb = 1986.74 m = 6518.10 ft Mean mixing ratio: 14.37 g/kg Conv temperature: 34.72 C = 94.49 F Cap Strength: 4.06 C Lifted Index: -0.45 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.56 C Lifted Index @700 mb: 1.19 C Showalter Index: 0.73 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 19.10 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 172.80 Risk: None Energy Index: -0.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 76.44 J/kg Max Up Vert Vel: 12.36 m/s Conv Inhibition (B-): 223.79 J/kg Cap Strength: 4.06 C Lift Cond Lev (LCL): 879.75 mb = 1201.00 m = 3940.23 ft Lev Free Conv (LFC): 574.75 mb = 4752.56 m = 15592.19 ft Equ Level (EL): 524.75 mb = 5487.86 m = 18004.56 ft B at Equ Level: 44.30 J/kg Max Parcel Lev (MPL): 254.75 mb = 10822.26 m = 35505.68 ft Wind level data Storm motion: 127 at 3 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 60 2 -1.7 -1.0 | 350 3 0.5 -2.7 1 975 305 250 3 2.8 1.0 | 277 5 5.0 -0.6 2 942 610 30 4 -2.0 -3.5 | 358 5 0.2 -5.1 3 925 765 50 8 -6.1 -5.1 | 30 8 -3.9 -6.8 4 909 914 65 7 -6.3 -3.0 | 42 6 -4.1 -4.6 5 850 1500 20 4 -1.4 -3.8 | 351 5 0.8 -5.4 6 848 1524 0 0 -0.0 -0.0 | 307 3 2.2 -1.7 7 789 2134 70 3 -2.8 -1.0 | 13 3 -0.6 -2.7 8 761 2438 290 2 1.9 -0.7 | 300 5 4.1 -2.3 9 700 3145 80 5 -4.9 -0.9 | 47 4 -2.7 -2.5 10 609 4267 210 3 1.5 2.6 | 256 4 3.7 0.9 11 500 5870 250 4 3.8 1.4 | 273 6 6.0 -0.3 12 486 6096 215 5 2.9 4.1 | 244 6 5.1 2.4 13 400 7590 225 9 6.4 6.4 | 241 10 8.6 4.7 14 366 8230 200 13 4.4 12.2 | 212 12 6.7 10.6 15 351 8534 155 11 -4.6 10.0 | 164 9 -2.4 8.3 16 300 9690 270 3 3.0 -0.0 | 288 5 5.2 -1.7 17 250 10950 120 6 -5.2 3.0 | 114 3 -3.0 1.3 18 249 10973 160 5 -1.7 4.7 | 189 3 0.5 3.0 19 227 11582 90 11 -11.0 0.0 | 79 9 -8.8 -1.7 20 200 12430 100 25 -24.6 4.3 | 97 23 -22.4 2.7 21 198 12497 105 17 -16.4 4.4 | 101 14 -14.2 2.7 22 150 14220 85 44 -43.8 -3.8 | 82 42 -41.6 -5.5 23 147 14326 85 44 -43.8 -3.8 | 82 42 -41.6 -5.5 24 119 15545 50 17 -13.0 -10.9 | 41 17 -10.8 -12.6 25 113 15850 300 11 9.5 -5.5 | 301 14 11.7 -7.2 26 108 16154 265 17 16.9 1.5 | 271 19 19.1 -0.2 27 102 16459 225 31 21.9 21.9 | 230 32 24.1 20.3 28 100 16580 250 35 32.9 12.0 | 254 37 35.1 10.3 29 97 16764 250 35 32.9 12.0 | 254 37 35.1 10.3 30 92 17069 265 41 40.8 3.6 | 267 43 43.1 1.9 31 84 17567 250 38 35.7 13.0 | 253 40 37.9 11.3 32 78 17983 240 35 30.3 17.5 | 244 36 32.5 15.8 33 74 18288 255 22 21.3 5.7 | 260 24 23.5 4.0 34 70 18593 230 13 10.0 8.4 | 241 14 12.2 6.7 35 70 18610 285 29 28.0 -7.5 | 287 32 30.2 -9.2 36 67 18898 285 29 28.0 -7.5 | 287 32 30.2 -9.2 37 60 19507 290 19 17.9 -6.5 | 292 22 20.1 -8.2 38 57 19812 330 14 7.0 -12.1 | 326 17 9.2 -13.8 39 52 20422 130 20 -15.3 12.9 | 130 17 -13.1 11.2 40 50 20620 125 25 -20.5 14.3 | 125 22 -18.3 12.7 41 44 21336 95 43 -42.8 3.7 | 93 41 -40.6 2.1 42 40 21946 85 34 -33.9 -3.0 | 82 32 -31.7 -4.6 43 36 22555 95 56 -55.8 4.9 | 93 54 -53.6 3.2 44 33 23165 80 55 -54.2 -9.6 | 78 53 -52.0 -11.2 45 31 23470 90 57 -57.0 0.0 | 88 55 -54.8 -1.7 46 30 23730 80 56 -55.1 -9.7 | 78 54 -52.9 -11.4 47 30 23774 85 61 -60.8 -5.3 | 83 59 -58.6 -7.0 48 26 24689 80 58 -57.1 -10.1 | 78 56 -54.9 -11.7 49 25 24994 90 53 -53.0 0.0 | 88 51 -50.8 -1.7 50 20 26290 95 73 -72.7 6.4 | 94 71 -70.5 4.7 51 10 28651 95 91 -90.7 7.9 | 94 89 -88.4 6.3 52 7 29870 100 89 -87.6 15.5 | 99 87 -85.4 13.8 53 6 30175 100 78 -76.8 13.5 | 99 76 -74.6 11.9 Wind Parameters Mean winds (0-6000m): 96.9 at 3.7 knts Storm direction: 126.9 at 2.8 knts Shear (0-3000m) pos: 2.1 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 42.0 deg Storm rel helicity (0-3000m) pos: 32.2 neg: -21.6 tot: 10.6 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 14.53 Bulk Shear: 5.26 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 ------------------------------------------------------------------------------- 500 318 3 313 6| 0.0 2.8 2.8| 10.0 -5.9 4.1 8.2 0.11| 13.6 1.5 1000 46 5 14 5| 1.8 1.4 3.2| 19.5 -8.3 11.2 11.2 0.26| 11.0 2.9 1500 44 5 12 5| 1.2 1.8 3.0| 19.5 -16.2 3.2 2.2 -0.03| 9.9 -0.3 2000 47 4 8 4| 1.6 1.4 2.9| 21.8 -16.2 5.6 2.8 0.07| 8.2 0.5 2500 45 4 4 4| 1.3 1.9 3.2| 23.0 -21.6 1.4 0.6 -0.04| 7.9 -0.3 3000 47 4 6 4| 2.1 1.6 3.7| 32.2 -21.6 10.6 3.5 0.12| 7.8 0.9 4000 66 4 20 3| 1.1 1.2 2.3| 37.1 -21.6 15.6 3.9 0.24| 7.0 1.7 5000 74 4 26 3| 0.6 1.0 1.6| 38.8 -21.6 17.2 3.4 0.26| 5.9 1.5 6000 97 4 50 2| 0.4 0.8 1.2| 39.9 -25.6 14.3 2.4 0.21| 5.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251015.00.gif