UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for SP372... Searching the city database file for: SP372 ... Date:1200Z 17 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 88 0 0 SFC 997 114 23.6 22.8 95 0.8 23.0 0 0 297.0 300.2 296.3 348.5 17.79 2 925 772 23.6 18.6 74 5.0 20.1 35 14 303.4 306.2 296.0 347.2 14.74 3 850 1507 19.0 15.1 78 3.9 16.4 20 20 306.0 308.4 295.4 344.5 12.80 4 700 3149 9.2 7.2 87 2.0 8.0 25 19 312.7 314.4 294.6 341.0 9.15 5 500 5870 -5.3 -6.9 88 1.6 -6.1 40 11 326.6 327.5 294.7 341.8 4.56 6 400 7590 -14.7 -20.7 60 6.0 -16.6 180 3 335.9 336.3 294.9 342.5 1.84 7 300 9710 -29.5 -33.3 70 3.8 -30.2 190 13 343.8 344.0 295.9 346.8 0.77 8 250 10990 -39.9 -44.9 59 5.0 -40.4 190 12 346.7 346.8 296.1 347.9 0.28 9 200 12470 -52.9 -56.3 66 3.4 -53.0 170 6 349.0 349.0 296.5 349.4 0.09 10 150 14260 -67.5 -71.5 57 4.0 -67.5 80 32 353.8 353.8 297.5 353.9 0.02 11 100 16590 -84.9 -89.6 43 4.7 -84.9 60 18 363.7 363.7 299.4 363.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 573.10 mb = 4875.43 m = 15995.30 ft Wetbulb zero: 586.39 mb = 4581.21 m = 15030.02 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 84.57 % Est. max temperature: 32.76 C = 90.97 F Sfc-Lift cond lev (LCL): 985.84 mb = 213.13 m = 699.25 ft T: 23.60 C 700-500 lapse rate: 5.33 C/km ThetaE index: 7.52 C Layer 925.0- 500.0 mb Conv cond level (CCL): 832.28 mb = 1685.22 m = 5528.86 ft Mean mixing ratio: 15.72 g/kg Conv temperature: 33.37 C = 92.06 F Cap Strength: 2.90 C Lifted Index: -1.45 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.19 C Lifted Index @700 mb: -0.72 C Showalter Index: -0.28 C Risk: Thunderstorms probable Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 20.40 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 232.20 Risk: None Energy Index: -0.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 247.70 J/kg Max Up Vert Vel: 22.26 m/s Conv Inhibition (B-): 94.32 J/kg Cap Strength: 2.90 C Lift Cond Lev (LCL): 900.14 mb = 1008.83 m = 3309.78 ft Lev Free Conv (LFC): 735.14 mb = 2734.79 m = 8972.31 ft Equ Level (EL): 305.14 mb = 9584.87 m = 31446.05 ft B at Equ Level: 246.58 J/kg Max Parcel Lev (MPL): 155.14 mb = 14050.46 m = 46096.76 ft Wind level data Storm motion: 58 at 12 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 ---------------------------------------------------------- 0 997 114 0 0 -0.0 -0.0 | 238 12 9.8 6.2 1 925 772 35 14 -8.0 -11.5 | 342 6 1.8 -5.3 2 850 1507 20 20 -6.8 -18.8 | 347 13 3.0 -12.6 3 700 3149 25 19 -8.0 -17.2 | 351 11 1.8 -11.1 4 500 5870 40 11 -7.1 -8.4 | 310 4 2.7 -2.3 5 400 7590 180 3 0.0 3.0 | 227 13 9.8 9.2 6 300 9710 190 13 2.3 12.8 | 212 22 12.1 19.0 7 250 10990 190 12 2.1 11.8 | 213 22 11.9 18.0 8 200 12470 170 6 -1.0 5.9 | 216 15 8.8 12.1 9 150 14260 80 32 -31.5 -5.6 | 92 22 -21.7 0.6 10 100 16590 60 18 -15.6 -9.0 | 64 6 -5.8 -2.8 Wind Parameters Mean winds (0-6000m): 27.9 at 15.4 knts Storm direction: 57.9 at 11.6 knts Shear (0-3000m) pos: 2.8 neg: 0.7 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 112.9 deg Storm rel helicity (0-3000m) pos: 31.2 neg: -0.6 tot: 30.6 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 17.67 Bulk Shear: 14.02 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 38 5 253 7| 11.0 0.0 11.0| 21.4 0.0 21.4 42.7 0.86| 11.4 9.8 1000 33 10 295 5| 8.6 0.0 8.6| 28.4 0.0 28.4 28.4 0.78| 9.3 7.2 1500 28 13 323 6| 5.8 1.4 7.1| 28.7 -0.6 28.1 18.7 0.63| 7.6 4.8 2000 25 15 333 8| 4.3 1.0 5.3| 29.6 -0.6 29.0 14.5 0.62| 5.9 3.7 2500 25 16 338 9| 3.4 0.8 4.2| 30.4 -0.6 29.8 11.9 0.62| 4.8 3.0 3000 25 16 340 9| 2.8 0.7 3.4| 31.2 -0.6 30.6 10.2 0.61| 4.1 2.5 4000 25 17 343 9| 1.7 0.5 2.3| 31.2 -1.7 29.5 7.4 0.52| 3.5 1.8 5000 26 16 343 9| 1.1 0.4 1.5| 31.2 -3.9 27.3 5.5 0.42| 3.2 1.3 6000 28 15 341 8| 0.8 0.3 1.2| 31.2 -7.3 23.9 4.0 0.22| 3.2 0.7 Wrote GIF file: /home/apache/climate/data/raob//SP372/skewt/SP372.skewt.20251217.12.gif