UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for SB107... Searching the city database file for: SB107 ... Date:1200Z 28 APR 25 Station: SB107 WMO ident: 82107 Latitude: -0.12 Longitude: -66.97 ------------------------------------------------------------------------------- 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 1002 102 24.6 23.9 96 0.7 24.1 190 1 297.6 301.0 297.2 352.6 18.96 1 1000 119 24.4 23.8 96 0.6 24.0 170 3 297.5 301.0 297.1 352.3 18.88 2 928 774 22.0 21.1 95 0.9 21.3 84 19 301.5 304.7 297.1 352.3 17.22 3 925 802 22.0 19.8 87 2.2 20.5 80 19 301.8 304.7 296.4 348.7 15.91 4 886 1177 22.4 13.4 57 9.0 16.4 59 16 306.0 308.0 294.0 338.9 10.97 5 854 1496 19.6 15.4 77 4.2 16.7 46 14 306.3 308.7 295.6 345.3 12.99 6 850 1537 19.4 15.2 77 4.2 16.5 45 14 306.5 308.9 295.6 345.2 12.89 7 726 2878 10.6 8.3 86 2.3 9.2 91 12 311.0 312.8 294.4 340.2 9.51 8 700 3183 9.4 7.5 88 1.9 8.2 90 9 312.9 314.7 294.7 341.8 9.34 9 631 4036 4.4 4.4 100 0.0 4.4 109 12 316.6 318.2 295.0 342.9 8.35 10 531 5425 -2.5 -3.5 93 1.0 -3.0 84 13 324.4 325.5 295.0 342.6 5.57 11 500 5900 -5.3 -6.0 95 0.7 -5.7 110 15 326.6 327.6 295.0 342.8 4.89 12 400 7620 -16.1 -17.0 93 0.9 -16.4 75 21 334.1 334.6 295.0 342.9 2.52 13 397 7677 -16.5 -17.3 94 0.8 -16.8 71 21 334.3 334.8 295.0 343.0 2.48 14 356 8487 -21.5 -25.0 73 3.5 -22.4 96 24 338.1 338.4 295.1 343.3 1.41 15 347 8676 -21.7 -33.7 33 12.0 -24.1 97 24 340.3 340.5 295.0 342.8 0.64 16 313 9426 -27.3 -41.3 25 14.0 -29.3 110 21 342.7 342.8 295.3 344.0 0.33 17 300 9730 -29.9 -40.9 34 11.0 -31.4 115 20 343.2 343.3 295.4 344.7 0.36 18 250 11010 -39.7 -53.7 21 14.0 -40.6 115 16 347.0 347.1 296.1 347.5 0.10 19 216 11989 -48.5 -65.5 12 17.0 -49.0 139 12 348.2 348.2 296.3 348.3 0.03 20 200 12490 -52.3 -68.3 13 16.0 -52.7 145 10 349.9 350.0 296.6 350.0 0.02 21 198 12555 -52.5 -71.5 8 19.0 -52.8 143 10 350.6 350.6 296.8 350.7 0.01 22 163 13783 -62.9 -72.9 25 10.0 -63.0 126 10 353.2 353.2 297.3 353.3 0.01 23 158 13974 -64.5 -69.5 50 5.0 -64.6 148 8 353.7 353.7 297.4 353.8 0.02 24 151 14250 -66.3 -74.3 32 8.0 -66.4 180 6 355.2 355.2 297.7 355.2 0.01 25 150 14290 -66.7 -74.7 32 8.0 -66.8 185 6 355.2 355.2 297.7 355.2 0.01 26 119 15648 -78.9 -83.7 45 4.8 -78.9 101 7 357.1 357.1 298.1 357.1 0.00 27 101 16565 -85.1 -90.1 40 5.0 -85.1 111 17 362.3 362.3 299.1 362.3 0.00 28 100 16620 -85.5 -90.5 40 5.0 -85.5 120 17 362.5 362.5 299.2 362.5 0.00 29 98 16734 -86.1 -92.1 33 6.0 -86.1 110 20 363.5 363.5 299.4 363.5 0.00 30 70 18680 -74.1 -90.1 7 16.0 -74.2 255 27 425.9 425.9 308.4 425.9 0.00 31 50 20670 -68.3 -91.3 2 23.0 -68.5 275 38 482.5 482.5 313.7 482.5 0.00 32 30 23800 -59.1 -91.1 1 32.0 -60.1 180 12 583.5 583.5 319.8 583.5 0.00 33 20 26380 -53.3 -88.3 1 35.0 -55.9 110 41 673.0 673.0 323.5 673.1 0.01 TRP 98 16734 -86.1 -92.1 33 6.0 -86.1 110 20 363.5 363.5 299.4 363.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 567.23 mb = 4921.64 m = 16146.92 ft Wetbulb zero: 571.68 mb = 4830.72 m = 15848.62 ft Precipitable water: 2.35 inches Sfc-500 mean rel hum: 88.52 % Est. max temperature: 33.39 C = 92.11 F Sfc-Lift cond lev (LCL): 992.29 mb = 186.84 m = 612.98 ft T: 24.15 C 700-500 lapse rate: 5.41 C/km ThetaE index: 13.69 C Layer 1000.0- 854.0 mb Conv cond level (CCL): 855.50 mb = 1481.26 m = 4859.71 ft Mean mixing ratio: 17.14 g/kg Conv temperature: 33.28 C = 91.90 F Cap Strength: 2.99 C Lifted Index: -2.62 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.91 C Lifted Index @700 mb: -1.40 C Showalter Index: -0.57 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.50 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 225.40 Risk: None Energy Index: -0.54 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 797.09 J/kg Max Up Vert Vel: 39.93 m/s Conv Inhibition (B-): 69.11 J/kg Cap Strength: 2.76 C Lift Cond Lev (LCL): 930.52 mb = 749.97 m = 2460.51 ft Lev Free Conv (LFC): 785.52 mb = 2208.06 m = 7244.20 ft Equ Level (EL): 195.52 mb = 12634.51 m = 41451.31 ft B at Equ Level: 793.99 J/kg Max Parcel Lev (MPL): 95.52 mb = 16882.13 m = 55386.88 ft Wind level data Storm motion: 122 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 1002 102 190 1 0.2 1.0 | 297 9 8.3 -4.2 1 1000 119 170 3 -0.5 3.0 | 286 8 7.6 -2.2 2 979 305 125 10 -8.2 5.7 | 176 1 -0.0 0.6 3 946 610 105 16 -15.5 4.1 | 82 7 -7.3 -1.0 4 925 802 80 19 -18.7 -3.3 | 51 14 -10.6 -8.5 5 913 914 70 18 -16.9 -6.2 | 38 14 -8.8 -11.3 6 851 1524 45 14 -9.9 -9.9 | 7 15 -1.8 -15.1 7 850 1537 45 14 -9.9 -9.9 | 7 15 -1.8 -15.1 8 792 2134 85 13 -13.0 -1.1 | 37 8 -4.8 -6.3 9 764 2438 95 12 -12.0 1.0 | 43 6 -3.8 -4.1 10 737 2743 80 11 -10.8 -1.9 | 21 8 -2.7 -7.1 11 711 3048 105 14 -13.5 3.6 | 74 6 -5.4 -1.5 12 700 3183 90 9 -9.0 0.0 | 9 5 -0.9 -5.2 13 612 4267 115 13 -11.8 5.5 | 95 4 -3.6 0.3 14 568 4877 115 12 -10.9 5.1 | 88 3 -2.7 -0.1 15 526 5486 80 13 -12.8 -2.3 | 32 9 -4.7 -7.4 16 500 5900 110 15 -14.1 5.1 | 90 6 -5.9 -0.0 17 487 6096 105 15 -14.5 3.9 | 79 6 -6.3 -1.3 18 400 7620 75 21 -20.3 -5.4 | 49 16 -12.1 -10.6 19 400 7620 70 21 -19.7 -7.2 | 43 17 -11.6 -12.4 20 384 7925 75 23 -22.2 -6.0 | 52 18 -14.1 -11.1 21 368 8230 100 26 -25.6 4.5 | 88 17 -17.5 -0.7 22 353 8534 95 24 -23.9 2.1 | 79 16 -15.8 -3.1 23 300 9730 115 20 -18.1 8.5 | 108 11 -10.0 3.3 24 262 10668 135 12 -8.5 8.5 | 174 3 -0.3 3.3 25 251 10973 115 17 -15.4 7.2 | 106 8 -7.3 2.0 26 250 11010 115 16 -14.5 6.8 | 104 7 -6.4 1.6 27 229 11582 135 14 -9.9 9.9 | 160 5 -1.8 4.7 28 200 12490 145 10 -5.7 8.2 | 219 4 2.4 3.0 29 181 13106 130 10 -7.7 6.4 | 201 1 0.5 1.3 30 173 13411 105 12 -11.6 3.1 | 59 4 -3.4 -2.1 31 164 13716 120 10 -8.7 5.0 | 72 1 -0.5 -0.2 32 150 14290 185 6 0.5 6.0 | 265 9 8.7 0.8 33 134 14935 0 0 -0.0 -0.0 | 302 10 8.1 -5.2 34 114 15850 135 10 -7.1 7.1 | 210 2 1.1 1.9 35 108 16154 105 11 -10.6 2.8 | 47 3 -2.5 -2.3 36 103 16459 95 16 -15.9 1.4 | 64 9 -7.8 -3.8 37 100 16620 120 17 -14.7 8.5 | 117 7 -6.6 3.3 38 98 16734 110 20 -18.8 6.8 | 99 11 -10.6 1.7 39 97 16764 120 17 -14.7 8.5 | 117 7 -6.6 3.3 40 92 17069 105 30 -29.0 7.8 | 97 21 -20.8 2.6 41 88 17374 105 18 -17.4 4.7 | 87 9 -9.2 -0.5 42 83 17678 35 11 -6.3 -9.0 | 353 14 1.8 -14.2 43 75 18288 260 31 30.5 5.4 | 270 39 38.7 0.2 44 71 18593 265 26 25.9 2.3 | 275 34 34.0 -2.9 45 70 18680 255 27 26.1 7.0 | 267 34 34.2 1.8 46 64 19202 235 34 27.9 19.5 | 248 39 36.0 14.3 47 58 19812 265 28 27.9 2.4 | 274 36 36.0 -2.7 48 55 20117 250 33 31.0 11.3 | 261 40 39.2 6.1 49 52 20422 275 41 40.8 -3.6 | 280 50 49.0 -8.7 50 50 20670 275 38 37.9 -3.3 | 280 47 46.0 -8.5 51 50 20726 275 45 44.8 -3.9 | 280 54 53.0 -9.1 52 45 21336 260 33 32.5 5.7 | 269 41 40.6 0.6 53 41 21946 275 20 19.9 -1.7 | 284 29 28.1 -6.9 54 37 22555 265 20 19.9 1.7 | 277 28 28.1 -3.4 55 33 23165 295 16 14.5 -6.8 | 298 26 22.6 -11.9 56 30 23774 255 16 15.5 4.1 | 272 24 23.6 -1.0 57 30 23800 180 12 0.0 12.0 | 230 11 8.1 6.8 58 27 24384 35 5 -2.9 -4.1 | 330 11 5.3 -9.3 59 26 24689 90 11 -11.0 0.0 | 29 6 -2.9 -5.2 60 25 24994 105 30 -29.0 7.8 | 97 21 -20.8 2.6 61 21 26213 90 36 -36.0 0.0 | 79 28 -27.9 -5.2 62 20 26380 110 41 -38.5 14.0 | 106 32 -30.4 8.9 63 19 26518 95 49 -48.8 4.3 | 89 41 -40.7 -0.9 64 15 27432 115 39 -35.3 16.5 | 113 29 -27.2 11.3 Wind Parameters Mean winds (0-6000m): 92.4 at 12.9 knts Storm direction: 122.4 at 9.6 knts Shear (0-3000m) pos: 1.9 neg: 2.5 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 26.5 neg: -71.3 tot: -44.8 m^2/s^2 ave: -14.9 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 10.2 stream: -3.5 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 178.05 Bulk Shear: 4.48 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 ------------------------------------------------------------------------------- 500 118 10 67 1| 0.0 16.2 16.2| 0.0 -9.0 -9.0 -18.0 -0.58| 19.9-11.6 1000 93 14 52 7| 0.0 9.0 9.0| 0.0 -45.6 -45.6 -45.6 -0.67| 17.4-11.7 1500 79 14 36 10| 0.0 5.0 5.0| 1.9 -65.7 -63.8 -42.6 -0.69| 13.6 -9.4 2000 75 14 32 10| 2.0 3.8 5.8| 17.2 -65.7 -48.5 -24.2 -0.47| 12.3 -5.7 2500 78 14 33 10| 1.7 3.0 4.8| 18.9 -67.9 -49.0 -19.6 -0.44| 10.7 -4.7 3000 80 13 35 9| 1.9 2.5 4.4| 26.5 -71.3 -44.8 -14.9 -0.34| 10.2 -3.5 4000 85 13 36 8| 1.7 1.9 3.6| 31.5 -75.5 -44.0 -11.0 -0.28| 8.7 -2.5 5000 91 13 43 7| 1.5 1.8 3.2| 32.5 -77.7 -45.2 -9.0 -0.28| 7.5 -2.1 6000 92 13 45 7| 1.6 1.7 3.3| 44.9 -84.2 -39.2 -6.5 -0.20| 7.4 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20250428.12.gif