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 USPP... Searching the city database file for: USPP ... Date:1200Z 18 DEC 25 Station: USPP WMO ident: 28225 Latitude: 57.95 Longitude: 56.20 Elevation: 170.00 ------------------------------------------------------------------------------- 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 138 210 3 SFC 996 170 -8.5 -10.1 88 1.6 -8.9 210 3 265.0 265.2 264.4 269.7 1.78 2 925 738 -12.7 -14.2 89 1.5 -13.0 220 19 266.3 266.5 264.7 270.1 1.37 3 912 846 -13.1 -14.5 89 1.4 -13.4 228 19 267.0 267.2 265.1 270.7 1.36 4 903 922 -6.5 -7.9 90 1.4 -7.0 233 20 274.5 274.9 271.7 281.0 2.33 5 883 1098 -5.7 -6.8 92 1.1 -6.1 245 20 277.1 277.6 273.7 284.4 2.60 6 850 1396 -6.1 -13.1 58 7.0 -8.1 265 21 279.8 280.0 273.7 284.5 1.64 7 849 1405 -6.1 -13.1 58 7.0 -8.1 265 21 279.8 280.1 273.8 284.6 1.64 8 781 2058 -6.9 -19.9 35 13.0 -10.1 265 24 285.8 285.9 276.0 288.8 1.01 9 778 2088 -6.9 -19.9 35 13.0 -10.1 265 24 286.1 286.2 276.2 289.1 1.01 10 700 2903 -12.9 -20.9 51 8.0 -14.7 265 27 288.2 288.4 277.3 291.4 1.03 11 653 3428 -17.3 -21.7 69 4.4 -18.2 273 27 289.0 289.2 277.7 292.2 1.03 12 641 3568 -15.1 -18.6 75 3.5 -16.0 275 26 293.1 293.3 280.1 297.3 1.37 13 640 3580 -15.1 -18.6 75 3.5 -16.0 276 26 293.2 293.4 280.2 297.4 1.38 14 500 5400 -27.7 -32.7 62 5.0 -28.3 305 25 299.3 299.4 281.7 300.9 0.49 15 469 5856 -31.1 -36.1 61 5.0 -31.6 308 27 300.6 300.6 282.1 301.8 0.37 16 400 6960 -40.5 -46.5 52 6.0 -40.8 315 33 302.4 302.4 282.5 302.9 0.15 17 300 8850 -56.9 -61.7 54 4.8 -57.0 305 44 305.1 305.1 283.5 305.3 0.03 18 271 9490 -62.1 -66.7 54 4.6 -62.1 305 51 306.6 306.6 284.1 306.7 0.02 19 258 9795 -62.9 -67.5 54 4.6 -62.9 305 54 309.8 309.8 285.2 309.8 0.02 20 250 9990 -62.7 -67.3 54 4.6 -62.7 305 60 312.9 312.9 286.4 312.9 0.02 21 236 10343 -63.3 -67.8 54 4.5 -63.3 308 62 317.1 317.1 287.8 317.2 0.02 22 224 10663 -62.8 -67.3 54 4.5 -62.9 310 64 322.7 322.7 289.6 322.8 0.02 23 200 11360 -61.7 -66.2 55 4.5 -61.7 310 52 335.1 335.1 293.1 335.2 0.03 24 150 13160 -58.1 -63.1 53 5.0 -58.2 295 46 370.0 370.0 300.6 370.2 0.05 25 135 13824 -58.1 -64.1 46 6.0 -58.3 381.3 381.3 302.5 381.5 0.05 TRP 258 9795 -62.9 -67.5 54 4.6 -62.9 305 54 309.8 309.8 285.2 309.8 0.02 WND 224 10663 -62.8 -67.3 54 4.5 -62.9 310 64 322.7 322.7 289.6 322.8 0.02 Sounding variables and indices 1000-500 mb thick: 5262.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 64.78 % Est. max temperature: 6.63 C = 43.93 F Sfc-Lift cond lev (LCL): 970.74 mb = 367.33 m = 1205.13 ft T: -9.96 C 700-500 lapse rate: 5.93 C/km ThetaE index: 0.00 C Layer 996.0--3910119490600262696960.0 mb Conv cond level (CCL): 937.48 mb = 635.07 m = 2083.52 ft Mean mixing ratio: 1.63 g/kg Conv temperature: -7.38 C = 18.72 F Cap Strength: 19.98 C Lifted Index: 23.05 C Risk: None Lifted Index @300 mb: 23.94 C Lifted Index @700 mb: 16.44 C Showalter Index: 12.71 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 14.60 C K Index: 0.50 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.91 J/kg Max Up Vert Vel: 7.60 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 22.96 C Lift Cond Lev (LCL): 924.57 mb = 741.54 m = 2432.85 ft Lev Free Conv (LFC): 919.57 mb = 782.89 m = 2568.52 ft Equ Level (EL): 909.57 mb = 866.52 m = 2842.88 ft B at Equ Level: 20.23 J/kg Max Parcel Lev (MPL): 899.57 mb = 952.24 m = 3124.12 ft Wind level data Storm motion: 307 at 18 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 ---------------------------------------------------------- 0 996 170 210 3 1.5 2.6 | 136 18 -12.7 13.2 1 925 738 220 19 12.2 14.6 | 176 25 -2.0 25.2 2 850 1396 265 21 20.9 1.8 | 208 14 6.7 12.4 3 700 2903 265 27 26.9 2.4 | 224 18 12.7 13.0 4 500 5400 305 25 20.5 -14.3 | 301 7 6.3 -3.7 5 400 6960 315 33 23.3 -23.3 | 324 16 9.2 -12.7 6 300 8850 305 44 36.0 -25.2 | 304 26 21.9 -14.6 7 258 9795 305 54 44.2 -31.0 | 304 36 30.1 -20.4 8 250 9990 305 60 49.1 -34.4 | 304 42 35.0 -23.8 9 224 10663 310 64 49.0 -41.1 | 311 46 34.9 -30.5 10 200 11360 310 52 39.8 -33.4 | 312 34 25.7 -22.8 11 150 13160 295 46 41.7 -19.4 | 288 29 27.5 -8.8 Wind Parameters Mean winds (0-6000m): 276.8 at 23.6 knts Storm direction: 306.8 at 17.7 knts Shear (0-3000m) pos: 3.7 neg: 0.7 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 92.9 deg Storm rel helicity (0-3000m) pos: 165.9 neg: 0.0 tot: 165.9 m^2/s^2 ave: 55.3 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.53 Bulk Shear: 54.15 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 ------------------------------------------------------------------------------- 500 218 10 157 20| 14.5 0.0 14.5| 70.7 0.0 70.7 141.4 0.91| 14.6 13.2 1000 228 15 171 21| 9.3 0.0 9.3|124.8 0.0 124.8 124.8 0.85| 13.4 11.3 1500 242 17 182 18| 7.0 0.0 7.0|144.2 0.0 144.2 96.1 0.82| 11.1 9.1 2000 249 18 190 17| 5.3 0.5 5.8|150.4 0.0 150.4 75.2 0.82| 8.9 7.2 2500 254 20 196 17| 4.2 0.8 5.0|156.6 0.0 156.6 62.6 0.81| 7.5 6.1 3000 256 21 202 17| 3.7 0.7 4.4|165.9 0.0 165.9 55.3 0.80| 6.7 5.4 4000 263 22 210 16| 2.8 0.5 3.3|185.6 0.0 185.6 46.4 0.79| 6.0 4.7 5000 269 23 219 14| 2.3 0.4 2.7|200.7 0.0 200.7 40.1 0.80| 5.5 4.4 6000 277 24 230 12| 2.3 0.3 2.7|209.3 0.0 209.3 34.9 0.78| 5.1 4.0 Wrote GIF file: /home/apache/climate/data/raob//USPP/skewt/USPP.skewt.20251218.12.gif