UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SP372... Searching the city database file for: SP372 ... Date:1200Z 18 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 89 0 0 SFC 997 115 22.6 21.9 96 0.7 22.1 0 0 296.0 299.0 295.4 344.4 16.82 2 925 768 19.8 19.8 100 0.0 19.8 5 13 299.6 302.5 295.7 346.0 15.91 3 850 1496 17.8 14.1 79 3.7 15.3 25 24 304.8 307.0 294.4 340.6 11.99 4 700 3134 10.4 5.4 71 5.0 7.4 20 7 314.0 315.5 294.1 339.2 8.06 5 500 5860 -4.5 -4.9 97 0.4 -4.7 170 2 327.6 328.6 295.6 345.2 5.32 6 400 7590 -14.7 -15.8 91 1.1 -15.1 230 13 335.9 336.5 295.7 345.7 2.79 7 300 9710 -29.1 -32.0 76 2.9 -29.6 200 11 344.4 344.6 296.1 347.7 0.87 8 250 10980 -39.7 -43.0 71 3.3 -40.0 185 6 347.0 347.1 296.3 348.4 0.34 9 200 12460 -53.3 -56.6 67 3.3 -53.4 200 2 348.4 348.4 296.4 348.7 0.09 10 150 14240 -70.1 -74.0 56 3.9 -70.1 50 14 349.3 349.3 296.5 349.4 0.01 11 121 15492 -81.7 -86.4 45 4.7 -81.7 50 31 350.3 350.3 296.7 350.3 0.00 12 100 16580 -77.7 -89.7 13 12.0 -77.7 180 26 377.6 377.6 301.9 377.6 0.00 TRP 121 15492 -81.7 -86.4 45 4.7 -81.7 50 31 350.3 350.3 296.7 350.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 560.40 mb = 5036.71 m = 16524.44 ft Wetbulb zero: 577.93 mb = 4686.44 m = 15375.28 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 83.69 % Est. max temperature: 31.55 C = 88.79 F Sfc-Lift cond lev (LCL): 987.23 mb = 201.03 m = 659.55 ft T: 22.23 C 700-500 lapse rate: 5.47 C/km ThetaE index: 6.87 C Layer 850.0- 500.0 mb Conv cond level (CCL): 930.34 mb = 717.84 m = 2355.10 ft Mean mixing ratio: 16.01 g/kg Conv temperature: 25.87 C = 78.57 F Cap Strength: 1.26 C Lifted Index: 0.23 C Risk: Showers probable Lifted Index @300 mb: 1.93 C Lifted Index @700 mb: 1.18 C Showalter Index: 2.04 C Risk: Showers probable Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 18.60 C K Index: 31.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.20 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.04 J/kg Max Up Vert Vel: 6.33 m/s Conv Inhibition (B-): 1388.34 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 940.34 mb = 624.78 m = 2049.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 52 at 7 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 ---------------------------------------------------------- 0 997 115 0 0 -0.0 -0.0 | 232 7 5.5 4.2 1 925 768 5 13 -1.1 -13.0 | 333 10 4.3 -8.7 2 850 1496 25 24 -10.1 -21.8 | 15 18 -4.7 -17.5 3 700 3134 20 7 -2.4 -6.6 | 307 4 3.1 -2.3 4 500 5860 170 2 -0.3 2.0 | 220 8 5.1 6.2 5 400 7590 230 13 10.0 8.4 | 231 20 15.4 12.6 6 300 9710 200 11 3.8 10.3 | 212 17 9.2 14.6 7 250 10980 185 6 0.5 6.0 | 210 12 6.0 10.2 8 200 12460 200 2 0.7 1.9 | 225 9 6.2 6.1 9 150 14240 50 14 -10.7 -9.0 | 48 7 -5.2 -4.8 10 121 15492 50 31 -23.7 -19.9 | 49 24 -18.3 -15.7 11 100 16580 180 26 0.0 26.0 | 190 31 5.5 30.2 Wind Parameters Mean winds (0-6000m): 22.2 at 9.2 knts Storm direction: 52.2 at 6.9 knts Shear (0-3000m) pos: 3.9 neg: 2.7 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 77.5 deg Storm rel helicity (0-3000m) pos: 53.5 neg: -18.9 tot: 34.6 m^2/s^2 ave: 11.5 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.70 Bulk Shear: 2.99 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 5 277 5| 10.2 0.0 10.2| 14.2 0.0 14.2 28.5 0.91| 10.3 9.4 1000 8 10 322 7| 9.4 0.0 9.4| 32.5 0.0 32.5 32.5 0.83| 9.7 8.1 1500 16 14 349 9| 7.8 0.0 7.8| 53.5 -1.4 52.1 34.7 0.76| 9.2 7.0 2000 19 15 357 10| 5.9 1.3 7.2| 53.5 -8.0 45.5 22.8 0.59| 8.2 4.8 2500 20 15 358 10| 4.7 2.1 6.8| 53.5 -13.7 39.8 15.9 0.44| 7.6 3.4 3000 20 14 357 9| 3.9 2.7 6.6| 53.5 -18.9 34.6 11.5 0.30| 7.3 2.2 4000 23 12 354 7| 2.5 2.0 4.5| 53.5 -20.1 33.4 8.3 0.20| 6.2 1.2 5000 24 11 348 6| 1.6 1.6 3.2| 55.8 -20.2 35.6 7.1 0.21| 5.5 1.1 6000 22 9 335 5| 1.1 1.3 2.4| 59.7 -21.7 38.0 6.3 0.22| 4.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//SP372/skewt/SP372.skewt.20251218.12.gif