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 U7713... Searching the city database file for: U7713 ... Date:1200Z 18 DEC 25 Station: U7713 WMO ident: 27713 ------------------------------------------------------------------------------- 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 153 300 3 SFC 995 193 0.2 -1.2 90 1.4 -0.4 300 3 273.7 274.3 273.1 283.3 3.51 2 957 504 -2.1 -3.4 91 1.3 -2.6 303 12 274.5 275.0 272.9 283.0 3.10 3 948 579 -0.9 -2.2 91 1.3 -1.4 303 14 276.4 277.0 274.5 285.9 3.43 4 925 774 -2.9 -3.9 93 1.0 -3.3 305 19 276.3 276.9 273.9 284.9 3.09 5 892 1061 -4.5 -5.3 94 0.8 -4.8 307 23 277.6 278.1 274.3 285.6 2.88 6 862 1331 -3.5 -4.4 93 0.9 -3.8 309 27 281.3 281.9 276.8 290.4 3.20 7 850 1442 -4.1 -5.2 92 1.1 -4.5 310 29 281.9 282.4 276.9 290.5 3.05 8 849 1451 -4.1 -5.2 92 1.1 -4.5 310 29 281.9 282.5 276.9 290.6 3.05 9 804 1878 -6.9 -16.9 45 10.0 -9.5 307 32 283.4 283.6 275.2 287.1 1.26 10 780 2114 -7.3 -24.3 24 17.0 -11.0 306 33 285.4 285.5 275.4 287.5 0.69 11 700 2955 -8.1 -35.1 9 27.0 -12.8 300 38 293.5 293.6 278.8 294.4 0.28 12 681 3168 -8.9 -36.9 8 28.0 -13.5 301 39 294.9 295.0 279.4 295.7 0.24 13 654 3482 -7.3 -37.3 7 30.0 -12.5 302 40 300.2 300.2 281.8 301.0 0.24 14 648 3553 -7.1 -37.1 7 30.0 -12.5 302 40 301.2 301.2 282.2 302.0 0.24 15 595 4214 -9.7 -27.7 22 18.0 -13.7 305 43 305.6 305.7 284.5 307.8 0.66 16 500 5530 -19.5 -37.5 19 18.0 -22.1 310 48 309.3 309.3 285.4 310.3 0.30 17 466 6047 -23.1 -39.1 22 16.0 -25.1 315 49 311.1 311.1 286.1 312.1 0.28 18 404 7070 -32.3 -45.3 26 13.0 -33.3 324 50 312.1 312.2 286.3 312.7 0.17 19 400 7140 -32.9 -45.9 26 13.0 -33.9 325 50 312.2 312.3 286.3 312.8 0.16 20 355 7970 -37.9 -50.9 24 13.0 -38.7 317 52 316.3 316.4 287.6 316.7 0.10 21 350 8068 -40.1 -53.1 24 13.0 -40.7 316 53 314.7 314.7 287.1 315.0 0.08 22 328 8506 -44.5 -57.5 22 13.0 -44.9 311 54 314.5 314.5 287.0 314.7 0.05 23 300 9100 -47.1 -60.1 21 13.0 -47.4 305 56 319.0 319.0 288.5 319.1 0.04 24 296 9188 -47.5 -60.5 21 13.0 -47.9 306 56 319.6 319.6 288.6 319.8 0.04 25 250 10280 -55.5 -68.5 18 13.0 -55.7 315 54 323.6 323.6 289.9 323.6 0.02 26 232 10752 -58.5 -70.5 20 12.0 -58.6 312 56 326.0 326.0 290.6 326.0 0.01 27 200 11680 -59.9 -71.9 19 12.0 -60.0 305 60 337.9 337.9 293.8 338.0 0.01 28 190 12001 -60.8 -72.8 19 12.0 -60.9 310 64 341.4 341.4 294.7 341.5 0.01 29 185 12168 -61.3 -73.3 19 12.0 -61.4 305 62 343.3 343.3 295.1 343.3 0.01 30 156 13227 -62.5 -74.5 18 12.0 -62.6 305 51 358.4 358.4 298.4 358.4 0.01 31 150 13470 -61.7 -73.7 19 12.0 -61.9 305 48 363.8 363.8 299.4 363.8 0.01 32 108 15505 -59.9 -72.9 17 13.0 -60.2 18 36 403.0 403.0 305.6 403.1 0.02 33 100 15980 -63.7 -76.7 15 13.0 -63.8 35 33 404.7 404.7 305.8 404.7 0.01 TRP 185 12168 -61.3 -73.3 19 12.0 -61.4 305 62 343.3 343.3 295.1 343.3 0.01 WND 190 12001 -60.8 -72.8 19 12.0 -60.9 310 64 341.4 341.4 294.7 341.5 0.01 Sounding variables and indices 1000-500 mb thick: 5377.00 m Freezing level: 991.70 mb = 220.14 m = 722.23 ft Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 38.62 % Est. max temperature: 8.52 C = 47.33 F Sfc-Lift cond lev (LCL): 973.38 mb = 368.28 m = 1208.27 ft T: -1.10 C 700-500 lapse rate: 4.43 C/km ThetaE index: 3.45 C Layer 804.0- 780.0 mb Conv cond level (CCL): 907.73 mb = 923.00 m = 3028.18 ft Mean mixing ratio: 3.20 g/kg Conv temperature: 3.44 C = 38.19 F Cap Strength: 19.75 C Lifted Index: 20.97 C Risk: None Lifted Index @300 mb: 24.51 C Lifted Index @700 mb: 11.33 C Showalter Index: 16.34 C Risk: None Total Totals Index: 29.70 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 14.30 C K Index: -16.80 Risk: None Sweat Index: 106.00 Risk: None Energy Index: 4.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.34 J/kg Max Up Vert Vel: 5.89 m/s Conv Inhibition (B-): 17262.80 J/kg Cap Strength: 20.89 C Lift Cond Lev (LCL): 926.66 mb = 759.73 m = 2492.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 27 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 ---------------------------------------------------------- 0 995 193 300 3 2.6 -1.5 | 161 25 -8.2 23.4 1 925 774 305 19 15.6 -10.9 | 199 15 4.8 14.0 2 850 1442 310 29 22.2 -18.6 | 241 13 11.4 6.2 3 700 2955 300 38 32.9 -19.0 | 255 23 22.1 5.9 4 500 5530 310 48 36.8 -30.9 | 283 27 26.0 -6.0 5 400 7140 325 50 28.7 -41.0 | 312 24 17.9 -16.1 6 300 9100 305 56 45.9 -32.1 | 282 36 35.1 -7.3 7 250 10280 315 54 38.2 -38.2 | 296 30 27.4 -13.3 8 200 11680 305 60 49.1 -34.4 | 284 40 38.4 -9.6 9 190 12001 310 64 49.0 -41.1 | 293 42 38.2 -16.3 10 185 12168 305 62 50.8 -35.6 | 285 41 40.0 -10.7 11 150 13470 305 48 39.3 -27.5 | 275 29 28.5 -2.7 12 100 15980 35 33 -18.9 -27.0 | 86 30 -29.7 -2.2 Wind Parameters Mean winds (0-6000m): 306.6 at 36.1 knts Storm direction: 336.6 at 27.1 knts Shear (0-3000m) pos: 4.7 neg: 1.6 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 97.2 deg Storm rel helicity (0-3000m) pos: 120.7 neg: 0.0 tot: 120.7 m^2/s^2 ave: 40.2 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 91.47 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 ------------------------------------------------------------------------------- 500 304 10 172 20| 14.2 0.0 14.2| 53.6 0.0 53.6 107.1 0.75| 14.2 10.6 1000 306 16 187 16| 11.5 0.0 11.5| 83.8 0.0 83.8 83.8 0.82| 11.5 9.5 1500 307 20 201 14| 9.4 0.0 9.4|100.5 0.0 100.5 67.0 0.83| 9.6 8.0 2000 307 23 214 13| 7.1 0.9 8.0|107.0 0.0 107.0 53.5 0.79| 8.1 6.4 2500 306 25 224 14| 5.7 1.5 7.1|112.1 0.0 112.1 44.8 0.74| 7.2 5.3 3000 305 27 232 15| 4.7 1.6 6.4|120.7 0.0 120.7 40.2 0.72| 6.5 4.7 4000 304 31 242 16| 4.1 1.2 5.3|149.6 0.0 149.6 37.4 0.75| 5.5 4.1 5000 305 34 252 18| 3.7 1.0 4.7|180.5 0.0 180.5 36.1 0.77| 4.9 3.8 6000 307 36 260 19| 3.4 0.8 4.2|226.3 0.0 226.3 37.7 0.79| 4.7 3.7 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251218.12.gif