UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for SK371... Searching the city database file for: SK371 ... Date:1200Z 8 OCT 25 Station: SK371 WMO ident: 80371 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 130 SFC 989 227 24.0 23.2 95 0.8 23.5 340 1 298.1 301.4 297.0 351.6 18.40 2 974 361 23.0 22.3 96 0.7 22.5 26 2 298.4 301.6 296.6 349.8 17.67 3 941 663 24.4 17.4 65 7.0 19.6 109 4 302.8 305.2 294.9 342.4 13.40 4 925 814 23.8 18.8 74 5.0 20.3 105 7 303.6 306.4 296.2 348.0 14.93 5 850 1549 18.6 16.0 85 2.6 16.8 90 6 305.6 308.2 295.8 346.3 13.58 6 764 2456 12.2 12.1 99 0.1 12.1 100 9 308.2 310.4 295.2 343.6 11.70 7 700 3187 8.2 6.5 89 1.7 7.2 100 11 311.6 313.2 293.9 338.4 8.71 8 521 5567 -4.9 -4.9 100 0.0 -4.9 98 7 323.2 324.2 294.3 340.0 5.11 9 510 5734 -4.7 -7.6 80 2.9 -6.1 97 6 325.5 326.3 294.2 339.5 4.24 10 500 5890 -5.7 -7.8 85 2.1 -6.7 95 5 326.1 326.9 294.4 340.3 4.26 11 438 6919 -11.3 -14.9 75 3.6 -12.7 83 10 331.6 332.1 294.6 341.1 2.75 12 400 7610 -16.3 -18.1 86 1.8 -16.9 55 11 333.8 334.3 294.8 341.9 2.30 13 354 8520 -21.7 -26.5 65 4.8 -22.9 70 10 338.4 338.7 295.0 343.0 1.24 14 346 8689 -22.3 -31.3 44 9.0 -24.2 65 9 339.8 340.0 295.0 342.9 0.81 15 300 9720 -30.7 -36.7 56 6.0 -31.6 25 4 342.1 342.2 295.3 344.2 0.55 16 258 10775 -39.5 -43.1 68 3.6 -39.8 33 9 344.2 344.3 295.6 345.5 0.33 17 250 10990 -41.1 -46.1 58 5.0 -41.5 40 11 345.0 345.0 295.7 346.0 0.24 18 208 12208 -51.7 -63.7 22 12.0 -52.0 56 19 347.0 347.0 296.0 347.1 0.04 19 200 12460 -53.9 -60.9 42 7.0 -54.1 55 22 347.4 347.4 296.1 347.6 0.05 20 196 12589 -55.5 -60.5 54 5.0 -55.6 54 22 346.9 346.9 296.0 347.1 0.06 21 178 13196 -60.7 -64.8 58 4.1 -60.7 48 17 348.0 348.1 296.3 348.2 0.04 22 172 13408 -62.9 -67.2 56 4.3 -63.0 45 15 347.8 347.8 296.2 348.0 0.03 23 166 13626 -64.1 -73.1 28 9.0 -64.2 38 13 349.4 349.4 296.5 349.4 0.01 24 150 14240 -68.1 -72.8 51 4.7 -68.1 115 8 352.8 352.8 297.3 352.8 0.01 25 145 14443 -69.5 -73.6 55 4.1 -69.5 76 5 353.8 353.8 297.4 353.8 0.01 26 127 15227 -72.7 -80.7 29 8.0 -72.8 302 14 361.7 361.7 299.0 361.7 0.00 27 115 15804 -77.1 -83.1 38 6.0 -77.1 247 21 363.9 363.9 299.5 363.9 0.00 28 108 16165 -76.7 -83.7 32 7.0 -76.7 264 20 371.3 371.3 300.8 371.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 587.95 mb = 4676.50 m = 15342.65 ft Wetbulb zero: 593.70 mb = 4514.13 m = 14809.95 ft Precipitable water: 2.21 inches Sfc-500 mean rel hum: 90.38 % Est. max temperature: 31.83 C = 89.30 F Sfc-Lift cond lev (LCL): 977.95 mb = 325.63 m = 1068.33 ft T: 23.26 C 700-500 lapse rate: 5.14 C/km ThetaE index: 9.55 C Layer 850.0- 521.0 mb Conv cond level (CCL): 836.23 mb = 1687.99 m = 5537.94 ft Mean mixing ratio: 15.33 g/kg Conv temperature: 31.92 C = 89.45 F Cap Strength: 2.59 C Lifted Index: -1.74 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.84 C Lifted Index @700 mb: -1.60 C Showalter Index: -1.38 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.70 C K Index: 38.60 Risk: > 80 % chance of thunderstorms Sweat Index: 209.00 Risk: None Energy Index: -1.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 519.59 J/kg Max Up Vert Vel: 32.24 m/s Conv Inhibition (B-): 71.12 J/kg Cap Strength: 2.59 C Lift Cond Lev (LCL): 886.14 mb = 1187.11 m = 3894.66 ft Lev Free Conv (LFC): 791.14 mb = 2159.55 m = 7085.07 ft Equ Level (EL): 221.14 mb = 11802.20 m = 38720.66 ft B at Equ Level: 519.56 J/kg Max Parcel Lev (MPL): 121.14 mb = 15501.89 m = 50858.59 ft Wind level data Storm motion: 136 at 6 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 ---------------------------------------------------------- 0 989 227 340 1 0.3 -0.9 | 320 7 4.7 -5.5 1 947 610 110 3 -2.8 1.0 | 337 4 1.5 -3.5 2 925 814 105 7 -6.8 1.8 | 42 4 -2.4 -2.7 3 914 914 95 6 -6.0 0.5 | 22 4 -1.6 -4.0 4 850 1549 90 6 -6.0 0.0 | 20 5 -1.7 -4.5 5 793 2134 115 7 -6.3 3.0 | 52 3 -2.0 -1.6 6 765 2438 100 9 -8.9 1.6 | 57 5 -4.5 -3.0 7 700 3187 100 11 -10.8 1.9 | 68 7 -6.5 -2.6 8 686 3353 95 11 -11.0 1.0 | 62 8 -6.6 -3.6 9 636 3962 120 14 -12.1 7.0 | 108 8 -7.8 2.5 10 612 4267 125 12 -9.8 6.9 | 113 6 -5.5 2.3 11 589 4572 135 10 -7.1 7.1 | 133 4 -2.7 2.5 12 567 4877 105 11 -10.6 2.8 | 75 7 -6.3 -1.7 13 500 5890 95 5 -5.0 0.4 | 9 4 -0.7 -4.1 14 487 6096 85 5 -5.0 -0.4 | 7 5 -0.7 -5.0 15 450 6706 80 10 -9.8 -1.7 | 41 8 -5.5 -6.3 16 416 7315 90 10 -10.0 0.0 | 51 7 -5.7 -4.5 17 400 7610 55 11 -9.0 -6.3 | 23 12 -4.7 -10.8 18 399 7620 60 11 -9.5 -5.5 | 27 11 -5.2 -10.0 19 368 8230 65 10 -9.1 -4.2 | 28 10 -4.7 -8.8 20 353 8534 70 10 -9.4 -3.4 | 33 9 -5.1 -8.0 21 300 9720 25 4 -1.7 -3.6 | 342 9 2.6 -8.2 22 274 10363 20 5 -1.7 -4.7 | 344 10 2.6 -9.2 23 250 10990 40 11 -7.1 -8.4 | 12 13 -2.7 -13.0 24 239 11278 40 10 -6.4 -7.7 | 10 12 -2.1 -12.2 25 228 11582 60 12 -10.4 -6.0 | 30 12 -6.1 -10.5 26 200 12460 55 22 -18.0 -12.6 | 39 22 -13.7 -17.2 27 199 12497 55 23 -18.8 -13.2 | 39 23 -14.5 -17.7 28 172 13411 45 15 -10.6 -10.6 | 23 16 -6.3 -15.1 29 155 14021 25 10 -4.2 -9.1 | 360 14 0.1 -13.6 30 150 14240 115 8 -7.3 3.4 | 68 3 -2.9 -1.2 31 140 14630 40 2 -1.3 -1.5 | 333 7 3.0 -6.1 32 127 15240 300 14 12.1 -7.0 | 305 20 16.5 -11.5 33 120 15545 265 14 13.9 1.2 | 280 19 18.3 -3.3 34 114 15850 245 22 19.9 9.3 | 259 25 24.3 4.8 35 109 16154 265 20 19.9 1.7 | 277 24 24.3 -2.8 36 103 16459 250 20 18.8 6.8 | 264 23 23.1 2.3 Wind Parameters Mean winds (0-6000m): 106.3 at 8.4 knts Storm direction: 136.3 at 6.3 knts Shear (0-3000m) pos: 1.4 neg: 0.9 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 106.9 deg Storm rel helicity (0-3000m) pos: 11.2 neg: -1.7 tot: 9.5 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 113.78 Bulk Shear: 4.57 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 ------------------------------------------------------------------------------- 500 100 3 336 4| 6.1 0.0 6.1| 5.9 0.0 5.9 11.9 0.62| 7.3 4.5 1000 98 4 359 4| 3.1 0.8 3.9| 7.2 -1.3 5.9 5.9 0.45| 5.3 2.4 1500 95 5 8 4| 2.2 0.5 2.8| 7.9 -1.4 6.5 4.3 0.45| 3.9 1.8 2000 100 5 15 4| 2.1 0.4 2.5| 9.3 -1.4 7.9 3.9 0.47| 3.7 1.7 2500 100 6 26 4| 1.7 0.8 2.5| 10.1 -1.5 8.6 3.5 0.42| 3.5 1.5 3000 100 7 36 4| 1.4 0.9 2.3| 11.2 -1.7 9.5 3.2 0.42| 3.2 1.3 4000 105 8 57 4| 1.5 0.7 2.2| 24.6 -2.6 22.0 5.5 0.52| 3.5 1.8 5000 108 9 65 4| 1.2 0.8 2.0| 26.6 -11.1 15.5 3.1 0.25| 3.8 0.9 6000 106 8 59 4| 1.0 0.8 1.8| 27.8 -15.7 12.1 2.0 0.14| 3.7 0.5 Wrote GIF file: /home/apache/climate/data/raob//SK371/skewt/SK371.skewt.20251008.12.gif