UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U7713... Searching the city database file for: U7713 ... Date:1200Z 9 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 162 180 5 SFC 996 194 0.0 -3.9 75 3.9 -1.4 180 5 273.5 273.9 271.9 281.3 2.87 2 925 779 -5.7 -8.6 80 2.9 -6.6 190 23 273.5 273.8 270.8 279.5 2.15 3 903 967 -6.7 -9.3 82 2.6 -7.5 201 22 274.3 274.7 271.2 280.2 2.09 4 879 1179 -2.9 -4.8 87 1.9 -3.6 214 22 280.4 280.9 276.1 289.0 3.04 5 850 1444 -4.7 -7.4 81 2.7 -5.7 230 21 281.2 281.7 275.9 288.6 2.58 6 843 1509 -4.9 -7.7 81 2.8 -5.9 230 21 281.7 282.1 276.1 288.9 2.54 7 828 1650 -5.5 -9.1 76 3.6 -6.7 229 22 282.5 282.9 276.2 289.2 2.32 8 775 2170 -4.1 -18.1 33 14.0 -8.0 228 23 289.4 289.6 278.2 293.0 1.19 9 718 2768 -8.3 -11.9 75 3.6 -9.5 226 24 291.2 291.6 280.3 297.6 2.14 10 717 2779 -8.3 -11.9 75 3.6 -9.5 226 25 291.3 291.7 280.3 297.7 2.14 11 700 2965 -9.1 -12.8 74 3.7 -10.2 225 25 292.4 292.8 280.7 298.6 2.04 12 679 3200 -10.5 -14.5 72 4.0 -11.7 226 25 293.4 293.7 280.9 299.0 1.83 13 654 3487 -11.7 -23.7 36 12.0 -14.4 228 25 295.2 295.4 280.4 298.0 0.86 14 652 3511 -11.7 -24.7 33 13.0 -14.5 228 25 295.5 295.6 280.4 298.0 0.79 15 571 4509 -20.3 -28.3 49 8.0 -21.7 234 26 296.8 296.9 280.8 298.9 0.65 16 500 5480 -26.5 -30.4 70 3.9 -27.1 240 27 300.7 300.8 282.5 302.7 0.61 17 488 5655 -27.9 -31.9 69 4.0 -28.5 240 27 301.1 301.2 282.5 302.9 0.54 18 470 5925 -29.1 -33.0 69 3.9 -29.6 240 28 302.9 303.0 283.2 304.6 0.51 19 414 6821 -34.9 -39.4 63 4.5 -35.3 240 29 306.6 306.7 284.4 307.7 0.30 20 400 7060 -37.1 -42.0 60 4.9 -37.5 240 29 306.8 306.8 284.4 307.6 0.24 21 300 8980 -53.9 -58.9 54 5.0 -54.0 245 29 309.4 309.4 285.1 309.5 0.05 22 288 9239 -56.5 -61.5 53 5.0 -56.6 244 30 309.3 309.3 285.1 309.4 0.03 23 250 10120 -61.9 -66.9 51 5.0 -62.0 240 33 314.0 314.0 286.8 314.1 0.02 24 246 10226 -62.7 -67.7 51 5.0 -62.7 241 33 314.3 314.3 286.9 314.4 0.02 25 244 10279 -62.5 -67.5 51 5.0 -62.6 241 33 315.3 315.3 287.2 315.4 0.02 26 150 13420 -62.5 -68.5 44 6.0 -62.6 260 31 362.4 362.4 299.2 362.5 0.03 27 134 14068 -62.7 -69.7 38 7.0 -62.8 265 31 373.9 373.9 301.2 374.0 0.02 28 128 14332 -62.5 -69.5 38 7.0 -62.6 270 32 379.2 379.2 302.1 379.3 0.03 29 117 14852 -64.1 -71.1 38 7.0 -64.2 279 33 386.1 386.1 303.2 386.3 0.02 30 100 15760 -65.1 -73.1 32 8.0 -65.2 295 35 401.9 402.0 305.5 402.0 0.02 31 91 16333 -64.7 -72.7 32 8.0 -64.8 296 37 413.7 413.7 307.0 413.8 0.02 32 73 17660 -69.1 -78.1 26 9.0 -69.2 299 43 431.3 431.3 309.0 431.4 0.01 33 70 17910 -69.5 -78.5 26 9.0 -69.6 300 44 435.7 435.7 309.4 435.8 0.01 34 56 19238 -71.7 -80.7 25 9.0 -71.8 303 48 459.4 459.4 311.7 459.5 0.01 35 50 19910 -70.9 -79.9 25 9.0 -71.0 305 50 476.4 476.4 313.2 476.5 0.01 36 30 22900 -74.3 -84.3 20 10.0 -74.4 300 64 542.1 542.1 317.6 542.2 0.01 37 20 25250 -76.5 -86.5 19 10.0 -76.6 295 68 602.0 602.0 320.7 602.1 0.01 38 19 25545 -76.7 -86.7 19 10.0 -76.9 610.3 610.3 321.0 610.4 0.01 TRP 134 14068 -62.7 -69.7 38 7.0 -62.8 265 31 373.9 373.9 301.2 374.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: 996.00 mb = 194.04 m = 636.59 ft Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 61.12 % Est. max temperature: 8.01 C = 46.42 F Sfc-Lift cond lev (LCL): 937.11 mb = 676.10 m = 2218.16 ft T: -4.70 C 700-500 lapse rate: 6.92 C/km ThetaE index: 1.86 C Layer 925.0- 903.0 mb Conv cond level (CCL): 656.34 mb = 3460.03 m = 11351.67 ft Mean mixing ratio: 2.40 g/kg Conv temperature: 21.55 C = 70.79 F Cap Strength: 15.12 C Lifted Index: 17.16 C Risk: None Lifted Index @300 mb: 20.61 C Lifted Index @700 mb: 13.32 C Showalter Index: 10.80 C Risk: None Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.10 C K Index: 10.70 Risk: None Sweat Index: 115.71 Risk: None Energy Index: 3.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.77 J/kg Max Up Vert Vel: 3.09 m/s Conv Inhibition (B-): 48976.37 J/kg Cap Strength: 16.86 C Lift Cond Lev (LCL): 899.72 mb = 995.92 m = 3267.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 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 ---------------------------------------------------------- 0 996 194 180 5 0.0 5.0 | 94 18 -17.5 1.3 1 925 779 190 23 4.0 22.7 | 144 23 -13.5 18.9 2 850 1444 230 21 16.1 13.5 | 172 10 -1.4 9.8 3 700 2965 225 25 17.7 17.7 | 181 14 0.2 13.9 4 500 5480 240 27 23.4 13.5 | 211 11 5.9 9.8 5 400 7060 240 29 25.1 14.5 | 215 13 7.6 10.8 6 300 8980 245 29 26.3 12.3 | 226 12 8.8 8.5 7 250 10120 240 33 28.6 16.5 | 221 17 11.1 12.8 8 150 13420 260 31 30.5 5.4 | 263 13 13.0 1.6 9 134 14068 265 31 30.9 2.7 | 274 13 13.4 -1.0 10 100 15760 295 35 31.7 -14.8 | 323 23 14.2 -18.5 11 70 17910 300 44 38.1 -22.0 | 321 33 20.6 -25.7 12 50 19910 305 50 41.0 -28.7 | 324 40 23.5 -32.4 13 30 22900 300 64 55.4 -32.0 | 313 52 37.9 -35.7 14 20 25250 295 68 61.6 -28.7 | 306 55 44.1 -32.5 Wind Parameters Mean winds (0-6000m): 227.9 at 23.9 knts Storm direction: 257.9 at 17.9 knts Shear (0-3000m) pos: 3.4 neg: 0.5 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 88.9 deg Storm rel helicity (0-3000m) pos: 130.3 neg: 0.0 tot: 130.3 m^2/s^2 ave: 43.4 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 35.40 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 ------------------------------------------------------------------------------- 500 188 13 119 18| 15.9 0.0 15.9| 74.2 0.0 74.2 148.5 0.95| 16.0 15.2 1000 196 17 136 18| 9.2 0.0 9.2|114.6 0.0 114.6 114.6 0.81| 14.3 11.5 1500 206 19 145 16| 6.4 0.0 6.4|123.7 0.0 123.7 82.5 0.74| 11.6 8.6 2000 213 20 152 14| 4.8 0.4 5.2|125.7 0.0 125.7 62.8 0.73| 9.1 6.6 2500 216 20 157 14| 3.9 0.6 4.5|127.4 0.0 127.4 51.0 0.72| 7.6 5.4 3000 218 21 161 14| 3.4 0.5 3.9|130.3 0.0 130.3 43.4 0.71| 6.5 4.7 4000 221 22 168 13| 2.7 0.4 3.1|139.0 0.0 139.0 34.8 0.72| 5.3 3.8 5000 225 23 175 13| 2.3 0.3 2.6|147.6 0.0 147.6 29.5 0.74| 4.5 3.3 6000 228 24 181 12| 2.0 0.3 2.3|151.4 0.0 151.4 25.2 0.74| 3.9 2.9 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251209.12.gif