UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for SP372... Searching the city database file for: SP372 ... Date:1200Z 22 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 85 0 0 SFC 997 112 24.6 23.2 92 1.4 23.6 0 0 298.0 301.3 296.8 351.0 18.24 2 925 774 24.8 16.8 61 8.0 19.3 5 19 304.7 307.1 295.2 343.8 13.12 3 850 1510 18.6 15.3 81 3.3 16.4 355 19 305.6 308.0 295.4 344.5 12.97 4 700 3155 10.8 2.8 58 8.0 6.2 330 13 314.4 315.7 293.2 335.5 6.70 5 500 5880 -2.9 -34.9 6 32.0 -10.8 295 14 329.5 329.6 292.0 331.0 0.39 6 400 7620 -14.1 -31.1 22 17.0 -18.2 295 3 336.7 336.8 294.1 339.3 0.71 7 300 9730 -30.5 -63.5 2 33.0 -32.6 220 21 342.4 342.4 294.9 342.5 0.02 8 250 11000 -41.1 -55.1 21 14.0 -41.9 200 13 345.0 345.0 295.6 345.3 0.09 9 200 12470 -53.5 -60.5 42 7.0 -53.7 120 14 348.0 348.1 296.3 348.3 0.06 10 150 14260 -67.5 -74.5 36 7.0 -67.5 90 42 353.8 353.8 297.4 353.9 0.01 11 100 16610 -81.1 -90.1 20 9.0 -81.1 105 25 371.0 371.0 300.8 371.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 542.34 mb = 5303.18 m = 17398.66 ft Wetbulb zero: 626.66 mb = 4051.29 m = 13291.47 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 52.18 % Est. max temperature: 32.38 C = 90.28 F Sfc-Lift cond lev (LCL): 977.28 mb = 288.10 m = 945.18 ft T: 24.65 C 700-500 lapse rate: 5.03 C/km ThetaE index: 13.49 C Layer 700.0- 400.0 mb Conv cond level (CCL): 811.62 mb = 1901.45 m = 6238.29 ft Mean mixing ratio: 14.93 g/kg Conv temperature: 34.31 C = 93.76 F Cap Strength: 2.83 C Lifted Index: 1.30 C Risk: Showers probable Lifted Index @300 mb: -0.23 C Lifted Index @700 mb: 1.17 C Showalter Index: 2.12 C Risk: Showers probable Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 18.20 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 235.60 Risk: None Energy Index: -2.51 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.67 J/kg Max Up Vert Vel: 8.56 m/s Conv Inhibition (B-): 308.17 J/kg Cap Strength: 2.83 C Lift Cond Lev (LCL): 876.07 mb = 1247.02 m = 4091.23 ft Lev Free Conv (LFC): 351.07 mb = 8576.94 m = 28139.22 ft Equ Level (EL): 251.07 mb = 10970.18 m = 35990.95 ft B at Equ Level: 35.92 J/kg Max Parcel Lev (MPL): 201.07 mb = 12434.76 m = 40795.97 ft Wind level data Storm motion: 3 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 ---------------------------------------------------------- 0 997 112 0 0 -0.0 -0.0 | 183 11 0.5 10.8 1 925 774 5 19 -1.7 -18.9 | 8 8 -1.2 -8.1 2 850 1510 355 19 1.7 -18.9 | 345 8 2.2 -8.1 3 700 3155 330 13 6.5 -11.3 | 274 7 7.0 -0.5 4 500 5880 295 14 12.7 -5.9 | 250 14 13.2 4.9 5 400 7620 295 3 2.7 -1.3 | 199 10 3.2 9.5 6 300 9730 220 21 13.5 16.1 | 208 30 14.0 26.9 7 250 11000 200 13 4.4 12.2 | 192 24 4.9 23.0 8 200 12470 120 14 -12.1 7.0 | 147 21 -11.6 17.8 9 150 14260 90 42 -42.0 0.0 | 105 43 -41.5 10.8 10 100 16610 105 25 -24.1 6.5 | 126 29 -23.6 17.3 Wind Parameters Mean winds (0-6000m): 332.7 at 14.4 knts Storm direction: 2.7 at 10.8 knts Shear (0-3000m) pos: 2.5 neg: 1.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 93.0 deg Storm rel helicity (0-3000m) pos: 0.5 neg: -23.8 tot: -23.3 m^2/s^2 ave: -7.8 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.22 Bulk Shear: 11.38 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 7 177 4| 14.8 0.0 14.8| 0.4 -0.1 0.3 0.7 -0.26| 16.6 -4.4 1000 4 13 11 2| 7.4 2.4 9.8| 0.5 -3.2 -2.7 -2.7 -0.26| 11.4 -2.9 1500 1 15 356 4| 4.9 1.8 6.7| 0.5 -8.3 -7.9 -5.3 -0.33| 8.4 -2.7 2000 358 16 347 5| 3.7 1.4 5.1| 0.5 -14.0 -13.5 -6.8 -0.39| 7.1 -2.8 2500 355 16 338 5| 3.0 1.3 4.3| 0.5 -19.1 -18.6 -7.4 -0.45| 6.2 -2.8 3000 352 15 330 5| 2.5 1.4 3.8| 0.5 -23.8 -23.3 -7.8 -0.49| 5.6 -2.8 4000 346 15 312 5| 1.8 1.4 3.2| 0.5 -27.1 -26.7 -6.7 -0.49| 4.6 -2.3 5000 340 15 297 6| 1.5 1.4 2.9| 0.5 -31.8 -31.3 -6.3 -0.50| 4.0 -2.0 6000 333 14 286 7| 1.2 1.3 2.5| 0.5 -40.5 -40.1 -6.7 -0.51| 3.7 -1.9 Wrote GIF file: /home/apache/climate/data/raob//SP372/skewt/SP372.skewt.20251222.12.gif