UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for SB099... Searching the city database file for: SB099 ... Date:1200Z 23 DEC 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 24.2 22.8 92 1.4 23.2 95 11 296.6 299.8 296.0 347.4 17.58 1 1000 99 24.6 23.1 91 1.5 23.5 95 11 297.8 301.0 296.7 350.2 18.07 2 925 781 21.0 19.5 91 1.5 19.9 110 15 300.8 303.6 295.9 346.6 15.61 3 850 1510 17.0 17.0 100 0.0 17.0 85 21 304.0 306.6 296.0 347.0 14.49 4 805 1974 15.0 15.0 100 0.0 15.0 70 23 306.6 309.1 296.0 347.0 13.44 5 703 3116 10.0 7.1 82 2.9 8.2 26 11 313.2 314.9 294.6 341.2 9.04 6 700 3152 9.8 7.3 84 2.5 8.3 25 11 313.3 315.1 294.8 341.9 9.21 7 647 3805 6.8 4.2 83 2.6 5.2 324 6 317.1 318.6 294.9 342.4 8.02 8 589 4570 0.8 0.8 100 0.0 0.8 290 15 318.7 320.1 294.5 340.7 6.91 9 576 4750 0.8 -1.7 83 2.5 -0.5 269 15 320.8 321.9 294.3 339.7 5.87 10 531 5403 -2.1 -6.4 72 4.3 -4.2 271 18 324.8 325.7 294.2 339.6 4.47 11 500 5880 -4.9 -7.6 81 2.7 -6.2 250 16 327.1 327.9 294.7 341.5 4.32 12 479 6216 -7.1 -8.2 92 1.1 -7.6 244 19 328.4 329.2 295.0 342.9 4.31 13 400 7600 -15.7 -24.7 46 9.0 -18.2 250 39 334.6 334.8 294.1 339.3 1.29 14 380 7983 -17.9 -32.9 26 15.0 -21.1 250 34 336.6 336.8 294.1 339.0 0.63 15 370 8181 -18.9 -25.9 54 7.0 -20.8 250 31 337.9 338.1 294.9 342.5 1.25 16 360 8384 -20.3 -28.3 49 8.0 -22.2 252 32 338.7 338.9 294.9 342.5 1.03 17 300 9700 -31.1 -33.5 79 2.4 -31.5 255 36 341.5 341.7 295.4 344.4 0.75 18 288 9989 -33.7 -35.4 85 1.7 -34.0 257 37 341.8 342.0 295.4 344.3 0.65 19 280 10187 -35.1 -40.0 61 4.9 -35.7 259 37 342.6 342.7 295.3 344.2 0.42 20 250 10970 -41.5 -46.1 61 4.6 -41.9 230 32 344.4 344.4 295.6 345.4 0.24 21 248 11024 -41.9 -46.9 58 5.0 -42.3 229 32 344.6 344.6 295.6 345.5 0.23 22 217 11913 -49.7 -55.7 49 6.0 -50.0 205 29 345.9 345.9 295.8 346.3 0.09 23 200 12440 -54.7 -58.3 64 3.6 -54.8 205 38 346.1 346.2 295.8 346.5 0.07 24 196 12569 -56.1 -59.1 69 3.0 -56.2 205 38 345.9 345.9 295.8 346.2 0.07 25 184 12966 -59.7 -63.2 64 3.5 -59.7 205 39 346.4 346.4 295.8 346.6 0.04 26 166 13602 -63.9 -68.4 54 4.5 -64.0 183 43 349.7 349.7 296.6 349.8 0.02 27 150 14220 -64.9 -77.9 15 13.0 -65.0 190 47 358.3 358.3 298.4 358.3 0.01 28 137 14770 -67.5 -81.5 12 14.0 -67.6 177 40 363.1 363.1 299.3 363.1 0.00 29 135 14858 -67.7 -81.7 12 14.0 -67.8 171 36 364.3 364.3 299.5 364.3 0.00 30 101 16544 -82.1 -88.1 35 6.0 -82.1 270 21 368.1 368.1 300.2 368.1 0.00 31 100 16600 -82.3 -88.3 35 6.0 -82.3 275 23 368.7 368.7 300.4 368.7 0.00 32 95 16885 -84.3 -89.1 42 4.8 -84.3 255 21 370.2 370.2 300.6 370.2 0.00 33 86 17441 -80.1 -89.1 21 9.0 -80.1 222 13 389.4 389.4 303.7 389.4 0.00 34 76 18136 -82.5 -90.5 24 8.0 -82.5 249 9 398.4 398.4 305.0 398.4 0.00 35 70 18600 -78.1 -89.1 15 11.0 -78.1 85 10 417.3 417.3 307.4 417.3 0.00 36 68 18766 -76.1 -88.1 13 12.0 -76.2 85 10 425.1 425.1 308.3 425.1 0.00 37 63 19205 -77.7 -88.7 15 11.0 -77.7 315 23 430.9 430.9 308.9 431.0 0.00 38 50 20540 -73.7 -89.7 7 16.0 -73.8 100 24 469.8 469.8 312.6 469.8 0.00 39 45 21158 -73.3 -91.3 5 18.0 -73.4 105 33 485.2 485.2 313.8 485.2 0.00 40 39 22013 -65.7 -90.7 2 25.0 -66.1 95 55 524.6 524.6 316.6 524.7 0.00 41 37 22333 -66.3 -90.3 2 24.0 -66.7 103 61 531.1 531.1 317.0 531.1 0.00 42 30 23620 -61.9 -89.9 1 28.0 -62.6 90 70 575.9 575.9 319.5 575.9 0.00 43 28 24047 -61.7 -90.7 1 29.0 -62.5 91 72 587.9 587.9 320.0 587.9 0.00 44 26 24512 -56.7 -88.7 1 32.0 -58.2 92 75 614.7 614.7 321.3 614.8 0.01 45 22 25571 -56.7 -88.7 1 32.0 -58.4 95 80 644.8 644.8 322.5 644.8 0.01 TRP 95 16885 -84.3 -89.1 42 4.8 -84.3 255 21 370.2 370.2 300.6 370.2 0.00 WND 22 25571 -56.7 -88.7 1 32.0 -58.4 95 80 644.8 644.8 322.5 644.8 0.01 Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 563.59 mb = 4930.41 m = 16175.69 ft Wetbulb zero: 581.12 mb = 4679.11 m = 15351.23 ft Precipitable water: 2.42 inches Sfc-500 mean rel hum: 88.84 % Est. max temperature: 31.19 C = 88.14 F Sfc-Lift cond lev (LCL): 989.02 mb = 195.63 m = 641.82 ft T: 24.09 C 700-500 lapse rate: 5.39 C/km ThetaE index: 5.83 C Layer 805.0- 700.0 mb Conv cond level (CCL): 912.84 mb = 895.07 m = 2936.55 ft Mean mixing ratio: 16.70 g/kg Conv temperature: 28.90 C = 84.03 F Cap Strength: 0.81 C Lifted Index: -1.29 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.76 C Lifted Index @700 mb: -0.30 C Showalter Index: -0.88 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.90 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 262.00 Risk: None Energy Index: -1.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 555.16 J/kg Max Up Vert Vel: 33.32 m/s Conv Inhibition (B-): 8.63 J/kg Cap Strength: 0.81 C Lift Cond Lev (LCL): 938.43 mb = 654.93 m = 2148.68 ft Lev Free Conv (LFC): 863.43 mb = 1374.87 m = 4510.68 ft Equ Level (EL): 173.43 mb = 13331.30 m = 43737.33 ft B at Equ Level: 552.21 J/kg Max Parcel Lev (MPL): 123.43 mb = 15379.19 m = 50456.03 ft Wind level data Storm motion: 81 at 11 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 95 11 -11.0 1.0 | 184 3 0.2 2.7 1 1000 99 95 11 -11.0 1.0 | 184 3 0.2 2.7 2 977 305 85 16 -15.9 -1.4 | 94 5 -4.8 0.4 3 943 610 100 16 -15.8 2.8 | 135 6 -4.6 4.5 4 925 781 110 15 -14.1 5.1 | 157 8 -3.0 6.9 5 911 914 105 18 -17.4 4.7 | 136 9 -6.3 6.4 6 879 1219 110 20 -18.8 6.8 | 138 12 -7.7 8.6 7 850 1510 85 21 -20.9 -1.8 | 90 10 -9.8 -0.1 8 849 1524 85 21 -20.9 -1.8 | 90 10 -9.8 -0.1 9 819 1829 75 24 -23.2 -6.2 | 70 13 -12.1 -4.4 10 790 2134 65 21 -19.0 -8.9 | 48 11 -7.9 -7.1 11 762 2438 50 13 -10.0 -8.4 | 350 7 1.2 -6.6 12 700 3152 25 11 -4.6 -10.0 | 322 10 6.5 -8.2 13 683 3353 25 11 -4.6 -10.0 | 322 10 6.5 -8.2 14 633 3962 300 4 3.5 -2.0 | 271 15 14.6 -0.2 15 610 4267 285 14 13.5 -3.6 | 274 25 24.7 -1.9 16 588 4572 290 15 14.1 -5.1 | 278 25 25.2 -3.4 17 566 4877 250 15 14.1 5.1 | 255 26 25.2 6.9 18 525 5486 275 18 17.9 -1.6 | 270 29 29.1 0.2 19 500 5880 250 16 15.0 5.5 | 255 27 26.2 7.2 20 486 6096 245 17 15.4 7.2 | 251 28 26.5 9.0 21 432 7010 240 29 25.1 14.5 | 246 40 36.2 16.3 22 400 7600 250 39 36.6 13.3 | 252 50 47.8 15.1 23 367 8230 250 30 28.2 10.3 | 253 41 39.3 12.0 24 324 9144 265 42 41.8 3.7 | 264 53 53.0 5.4 25 300 9700 255 36 34.8 9.3 | 256 47 45.9 11.1 26 273 10363 260 38 37.4 6.6 | 260 49 48.6 8.4 27 250 10970 230 32 24.5 20.6 | 238 42 35.6 22.3 28 218 11887 205 29 12.3 26.3 | 220 37 23.4 28.1 29 208 12192 200 32 10.9 30.1 | 215 39 22.1 31.8 30 200 12440 205 38 16.1 34.4 | 217 45 27.2 36.2 31 180 13106 205 39 16.5 35.3 | 217 46 27.6 37.1 32 171 13411 180 40 0.0 40.0 | 195 43 11.1 41.8 33 155 14021 190 50 8.7 49.2 | 201 55 19.8 51.0 34 150 14220 190 47 8.2 46.3 | 202 52 19.3 48.1 35 140 14630 185 46 4.0 45.8 | 198 50 15.1 47.6 36 126 15240 145 17 -9.8 13.9 | 185 16 1.4 15.7 37 120 15545 125 14 -11.5 8.0 | 178 10 -0.3 9.8 38 114 15850 180 4 0.0 4.0 | 243 13 11.1 5.8 39 108 16154 235 10 8.2 5.7 | 249 21 19.3 7.5 40 100 16600 275 23 22.9 -2.0 | 270 34 34.0 -0.2 41 97 16764 275 23 22.9 -2.0 | 270 34 34.0 -0.2 42 95 16885 255 21 20.3 5.4 | 257 32 31.4 7.2 43 92 17069 265 21 20.9 1.8 | 264 32 32.1 3.6 44 87 17374 215 16 9.2 13.1 | 234 25 20.3 14.9 45 82 17678 245 4 3.6 1.7 | 257 15 14.8 3.5 46 74 18288 250 10 9.4 3.4 | 256 21 20.5 5.2 47 70 18593 205 12 5.1 10.9 | 232 21 16.2 12.6 48 70 18600 85 10 -10.0 -0.9 | 232 1 1.2 0.9 49 66 18898 85 10 -10.0 -0.9 | 232 1 1.2 0.9 50 63 19202 315 23 16.3 -16.3 | 298 31 27.4 -14.5 51 60 19507 300 30 26.0 -15.0 | 290 39 37.1 -13.2 52 57 19812 305 32 26.2 -18.4 | 294 41 37.3 -16.6 53 54 20117 275 12 12.0 -1.0 | 268 23 23.1 0.7 54 51 20422 45 3 -2.1 -2.1 | 272 9 9.0 -0.4 55 50 20540 100 24 -23.6 4.2 | 115 14 -12.5 5.9 56 48 20726 110 11 -10.3 3.8 | 188 6 0.8 5.5 57 46 21031 100 26 -25.6 4.5 | 113 16 -14.5 6.3 58 44 21336 110 40 -37.6 13.7 | 120 31 -26.5 15.5 59 40 21946 90 53 -53.0 0.0 | 92 42 -41.9 1.8 60 38 22250 105 60 -58.0 15.5 | 110 50 -46.8 17.3 61 34 22860 95 67 -66.7 5.8 | 98 56 -55.6 7.6 62 31 23470 90 67 -67.0 0.0 | 92 56 -55.9 1.8 63 30 23620 90 70 -70.0 0.0 | 92 59 -58.9 1.8 64 22 25571 95 80 -79.7 7.0 | 97 69 -68.6 8.7 65 20 25908 95 80 -79.7 7.0 | 97 69 -68.6 8.7 Wind Parameters Mean winds (0-6000m): 51.0 at 15.0 knts Storm direction: 81.0 at 11.3 knts Shear (0-3000m) pos: 1.4 neg: 3.4 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 142.2 deg Storm rel helicity (0-3000m) pos: 9.6 neg: -82.0 tot: -72.4 m^2/s^2 ave: -24.1 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -5.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 42.92 Bulk Shear: 12.93 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 90 14 121 4| 5.1 0.0 5.1| 3.6 -3.7 -0.1 -0.2 -0.26| 8.6 -2.3 1000 98 15 134 6| 4.2 0.0 4.2| 8.8 -8.3 0.5 0.5 -0.08| 7.9 -0.7 1500 99 17 129 7| 2.8 2.7 5.5| 9.6 -31.9 -22.4 -14.9 -0.37| 8.9 -3.3 2000 92 18 109 8| 2.1 3.5 5.6| 9.6 -52.3 -42.7 -21.4 -0.48| 8.8 -4.2 2500 86 18 94 7| 1.7 3.4 5.1| 9.6 -75.5 -65.9 -26.4 -0.59| 9.4 -5.5 3000 81 17 80 6| 1.4 3.4 4.8| 9.6 -82.0 -72.4 -24.1 -0.60| 8.5 -5.1 4000 73 15 50 4| 1.1 3.2 4.2| 9.6-124.6-115.1 -28.8 -0.65| 8.3 -5.4 5000 65 15 25 5| 0.8 3.4 4.3| 26.2-191.7-165.5 -33.1 -0.57| 8.8 -5.0 6000 51 15 4 8| 0.4 2.7 3.1| 63.1-249.0-185.9 -31.0 -0.52| 8.5 -4.4 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20251223.12.gif