UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for SP372... Searching the city database file for: SP372 ... Date:1200Z 20 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 100 0 0 SFC 998 118 23.6 22.9 96 0.7 23.1 0 0 296.9 300.2 296.3 348.7 17.89 2 925 786 23.8 19.3 76 4.5 20.6 10 16 303.6 306.5 296.5 349.4 15.41 3 850 1522 19.6 11.6 60 8.0 14.4 5 22 306.7 308.6 293.6 337.3 10.15 4 700 3168 9.2 8.1 93 1.1 8.5 20 9 312.7 314.5 295.0 342.8 9.74 5 500 5890 -4.3 -17.3 36 13.0 -9.1 10 17 327.8 328.2 293.0 334.6 1.97 6 400 7610 -15.5 -19.5 71 4.0 -16.8 270 9 334.8 335.3 294.8 342.1 2.04 7 300 9720 -31.1 -37.1 56 6.0 -32.0 35 2 341.5 341.7 295.2 343.6 0.53 8 250 10980 -41.5 -47.5 52 6.0 -41.9 75 21 344.4 344.4 295.6 345.2 0.21 9 200 12450 -54.1 -64.1 28 10.0 -54.3 55 21 347.1 347.1 296.0 347.2 0.03 10 150 14240 -64.9 -81.9 8 17.0 -65.0 80 17 358.3 358.3 298.4 358.3 0.00 11 100 16600 -83.3 -88.3 41 5.0 -83.3 280 3 366.8 366.8 300.0 366.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 563.70 mb = 5022.99 m = 16479.43 ft Wetbulb zero: 603.43 mb = 4368.93 m = 14333.60 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 70.43 % Est. max temperature: 33.43 C = 92.17 F Sfc-Lift cond lev (LCL): 988.27 mb = 203.78 m = 668.57 ft T: 23.63 C 700-500 lapse rate: 4.96 C/km ThetaE index: 12.14 C Layer 850.0- 700.0 mb Conv cond level (CCL): 826.86 mb = 1756.04 m = 5761.22 ft Mean mixing ratio: 16.01 g/kg Conv temperature: 34.22 C = 93.60 F Cap Strength: 3.04 C Lifted Index: -0.86 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.94 C Lifted Index @700 mb: -1.02 C Showalter Index: 3.65 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 15.90 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 200.20 Risk: None Energy Index: -0.45 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 555.63 J/kg Max Up Vert Vel: 33.34 m/s Conv Inhibition (B-): 105.27 J/kg Cap Strength: 3.04 C Lift Cond Lev (LCL): 903.06 mb = 994.92 m = 3264.14 ft Lev Free Conv (LFC): 738.06 mb = 2719.12 m = 8920.90 ft Equ Level (EL): 188.06 mb = 12832.94 m = 42102.31 ft B at Equ Level: 543.18 J/kg Max Parcel Lev (MPL): 128.06 mb = 15160.33 m = 49738.02 ft Wind level data Storm motion: 41 at 10 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 ---------------------------------------------------------- 0 998 118 0 0 -0.0 -0.0 | 221 10 6.8 8.0 1 925 786 10 16 -2.8 -15.8 | 333 9 4.0 -7.8 2 850 1522 5 22 -1.9 -21.9 | 341 15 4.9 -13.9 3 700 3168 20 9 -3.1 -8.5 | 277 4 3.7 -0.5 4 500 5890 10 17 -3.0 -16.7 | 336 10 3.9 -8.8 5 400 7610 270 9 9.0 -0.0 | 243 18 15.8 8.0 6 300 9720 35 2 -1.1 -1.6 | 222 8 5.7 6.3 7 250 10980 75 21 -20.3 -5.4 | 101 14 -13.5 2.5 8 200 12450 55 21 -17.2 -12.0 | 69 11 -10.4 -4.1 9 150 14240 80 17 -16.7 -3.0 | 117 11 -9.9 5.0 10 100 16600 280 3 3.0 -0.5 | 233 12 9.8 7.4 Wind Parameters Mean winds (0-6000m): 10.6 at 14.0 knts Storm direction: 40.6 at 10.5 knts Shear (0-3000m) pos: 1.2 neg: 0.4 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 63.0 deg Storm rel helicity (0-3000m) pos: 31.0 neg: -8.7 tot: 22.3 m^2/s^2 ave: 7.4 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 1.7 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 64.37 Bulk Shear: 8.63 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 11 6 249 6| 12.3 0.0 12.3| 19.7 0.0 19.7 39.4 0.87| 12.4 10.9 1000 9 11 301 6| 9.6 0.0 9.6| 28.9 0.0 28.9 28.9 0.79| 9.7 7.7 1500 8 14 321 8| 6.4 0.9 7.3| 31.0 -0.1 30.9 20.6 0.67| 7.9 5.3 2000 8 15 327 9| 3.8 0.7 4.5| 31.0 -1.7 29.3 14.7 0.55| 7.0 3.8 2500 8 15 328 9| 2.3 0.5 2.8| 31.0 -4.8 26.2 10.5 0.42| 6.5 2.8 3000 9 15 326 8| 1.2 0.4 1.7| 31.0 -8.7 22.3 7.4 0.28| 6.1 1.7 4000 10 14 322 7| 0.9 0.6 1.6| 33.7 -9.0 24.7 6.2 0.32| 5.0 1.6 5000 11 14 322 7| 0.7 0.8 1.6| 36.3 -9.0 27.4 5.5 0.34| 4.3 1.4 6000 11 14 324 7| 0.6 0.9 1.5| 37.9 -18.7 19.1 3.2 0.23| 4.1 1.0 Wrote GIF file: /home/apache/climate/data/raob//SP372/skewt/SP372.skewt.20251220.12.gif