UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SP372... Searching the city database file for: SP372 ... Date:1200Z 8 DEC 25 Station: SP372 WMO ident: 84372 ------------------------------------------------------------------------------- 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 91 0 0 SFC 997 118 25.6 23.5 88 2.1 24.1 0 0 299.0 302.4 297.3 353.3 18.59 2 925 779 23.6 20.4 82 3.2 21.3 5 20 303.4 306.5 297.2 352.5 16.53 3 850 1513 18.6 16.9 90 1.7 17.4 15 19 305.6 308.3 296.4 348.8 14.40 4 700 3158 10.4 -2.6 40 13.0 3.7 290 22 314.0 314.9 291.2 328.3 4.51 5 500 5880 -5.5 -17.5 38 12.0 -9.8 220 17 326.3 326.7 292.5 333.0 1.93 6 400 7600 -15.7 -20.7 65 5.0 -17.3 300 14 334.6 335.0 294.6 341.1 1.84 7 300 9700 -31.9 -34.1 81 2.2 -32.3 110 7 340.4 340.6 295.1 343.1 0.71 8 250 10960 -42.3 -47.2 59 4.9 -42.6 145 21 343.2 343.2 295.3 344.1 0.22 9 200 12430 -52.1 -71.1 8 19.0 -52.5 110 37 350.3 350.3 296.7 350.3 0.01 10 150 14250 -64.7 -77.7 15 13.0 -64.8 320 19 358.6 358.6 298.4 358.7 0.01 11 100 16620 -80.9 -86.9 36 6.0 -80.9 295 18 371.4 371.4 300.8 371.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 569.18 mb = 4938.43 m = 16201.99 ft Wetbulb zero: 645.16 mb = 3817.95 m = 12525.94 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 57.15 % Est. max temperature: 32.37 C = 90.27 F Sfc-Lift cond lev (LCL): 967.42 mb = 383.40 m = 1257.87 ft T: 24.80 C 700-500 lapse rate: 5.84 C/km ThetaE index: 24.95 C Layer 925.0- 500.0 mb Conv cond level (CCL): 870.65 mb = 1304.59 m = 4280.11 ft Mean mixing ratio: 17.14 g/kg Conv temperature: 31.60 C = 88.89 F Cap Strength: 1.85 C Lifted Index: -3.47 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.97 C Lifted Index @700 mb: -0.93 C Showalter Index: -2.12 C Risk: Severe thunderstorms possible Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 22.40 C K Index: 28.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 257.80 Risk: None Energy Index: -3.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1326.04 J/kg Max Up Vert Vel: 51.50 m/s Conv Inhibition (B-): 29.22 J/kg Cap Strength: 1.85 C Lift Cond Lev (LCL): 909.55 mb = 925.26 m = 3035.59 ft Lev Free Conv (LFC): 814.55 mb = 1873.98 m = 6148.17 ft Equ Level (EL): 184.55 mb = 12938.79 m = 42449.58 ft B at Equ Level: 1321.43 J/kg Wind level data Storm motion: 328 at 14 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 ---------------------------------------------------------- 0 997 118 0 0 -0.0 -0.0 | 148 14 -7.4 11.9 1 925 779 5 20 -1.7 -19.9 | 49 12 -9.2 -8.1 2 850 1513 15 19 -4.9 -18.4 | 62 14 -12.4 -6.5 3 700 3158 290 22 20.7 -7.5 | 252 14 13.2 4.3 4 500 5880 220 17 10.9 13.0 | 188 25 3.5 24.9 5 400 7600 300 14 12.1 -7.0 | 224 7 4.7 4.9 6 300 9700 110 7 -6.6 2.4 | 136 20 -14.0 14.3 7 250 10960 145 21 -12.0 17.2 | 146 35 -19.5 29.1 8 200 12430 110 37 -34.8 12.7 | 120 49 -42.2 24.5 9 150 14250 320 19 12.2 -14.6 | 299 5 4.8 -2.7 10 100 16620 295 18 16.3 -7.6 | 244 10 8.9 4.3 Wind Parameters Mean winds (0-6000m): 297.9 at 18.7 knts Storm direction: 327.9 at 14.0 knts Shear (0-3000m) pos: 3.4 neg: 4.5 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 106.3 deg Storm rel helicity (0-3000m) pos: 9.9 neg: -102.2 tot: -92.3 m^2/s^2 ave: -30.8 10^-3 m/s^2 rel: -0.73 Storm rel vorticity (0-3000m) horiz: 9.1 stream: -6.7 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 33.68 Bulk Shear: 39.38 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 5 7 119 9| 15.6 0.0 15.6| 0.0 -31.5 -31.5 -63.1 -0.84| 15.6-13.1 1000 6 13 81 9| 10.1 0.0 10.1| 4.3 -41.2 -36.9 -36.9 -0.70| 11.1 -7.7 1500 9 15 71 10| 6.7 0.1 6.8| 9.9 -45.8 -35.9 -23.9 -0.59| 8.6 -5.1 2000 5 16 63 10| 5.0 2.3 7.3| 9.9 -64.8 -54.9 -27.5 -0.65| 8.7 -5.7 2500 357 17 51 8| 4.0 3.6 7.7| 9.9 -81.3 -71.4 -28.6 -0.72| 8.9 -6.4 3000 347 18 31 7| 3.4 4.5 7.8| 9.9-102.2 -92.3 -30.8 -0.73| 9.1 -6.7 4000 327 19 325 5| 2.5 4.0 6.6| 9.9-138.7-128.8 -32.2 -0.75| 8.1 -6.1 5000 311 19 274 7| 2.0 3.5 5.5| 9.9-181.5-171.5 -34.3 -0.77| 7.4 -5.7 6000 298 19 251 10| 1.8 3.0 4.8| 22.7-215.4-192.7 -32.1 -0.73| 6.9 -5.0 Wrote GIF file: /home/apache/climate/data/raob//SP372/skewt/SP372.skewt.20251208.12.gif