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 U7707... Searching the city database file for: U7707 ... Date:1200Z 9 DEC 25 Station: U7707 WMO ident: 27707 Latitude: 54.12 Longitude: 35.33 ------------------------------------------------------------------------------- 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 171 185 3 SFC 992 235 -1.3 -2.6 91 1.3 -1.8 185 3 272.5 273.0 271.8 281.1 3.18 2 931 736 -5.1 -6.7 89 1.6 -5.6 199 27 273.6 274.0 271.4 280.4 2.48 3 925 787 -4.9 -6.4 89 1.5 -5.4 200 29 274.3 274.7 271.9 281.4 2.56 4 887 1119 -2.7 -3.8 92 1.1 -3.1 210 27 279.9 280.4 276.1 289.0 3.25 5 850 1456 -5.5 -7.2 88 1.7 -6.1 220 25 280.4 280.8 275.5 287.8 2.62 6 848 1474 -5.5 -7.1 88 1.6 -6.1 220 25 280.6 281.0 275.6 288.1 2.64 7 839 1558 -5.5 -7.0 89 1.5 -6.0 220 25 281.4 281.9 276.2 289.1 2.69 8 813 1806 -3.1 -12.1 50 9.0 -6.0 221 25 286.5 286.8 277.7 292.0 1.86 9 804 1894 -3.9 -16.9 36 13.0 -7.5 221 24 286.6 286.8 276.9 290.4 1.26 10 735 2598 -6.7 -26.7 19 20.0 -11.0 224 24 291.0 291.1 278.0 292.8 0.59 11 725 2705 -7.5 -20.5 35 13.0 -10.8 224 23 291.2 291.4 278.8 294.4 1.03 12 709 2879 -7.7 -13.7 62 6.0 -9.6 225 23 292.9 293.2 280.7 298.6 1.87 13 700 2978 -8.1 -15.1 57 7.0 -10.2 225 23 293.5 293.8 280.7 298.7 1.69 14 673 3283 -8.9 -25.9 24 17.0 -12.7 226 24 295.9 296.1 280.5 298.2 0.69 15 667 3352 -9.1 -26.1 24 17.0 -12.9 226 24 296.5 296.6 280.7 298.7 0.68 16 612 4011 -14.3 -18.8 69 4.5 -15.4 229 27 297.9 298.1 282.3 302.3 1.41 17 552 4784 -20.3 -24.2 71 3.9 -21.1 232 30 299.7 299.9 282.5 302.8 0.98 18 500 5510 -24.5 -28.3 71 3.8 -25.1 235 33 303.2 303.3 283.7 305.6 0.74 19 467 6005 -27.5 -31.2 71 3.7 -28.0 244 34 305.4 305.5 284.4 307.5 0.60 20 400 7100 -37.1 -40.9 68 3.8 -37.4 265 36 306.8 306.8 284.5 307.7 0.27 21 304 8916 -54.1 -58.5 58 4.4 -54.2 284 40 307.9 307.9 284.6 308.1 0.05 22 300 9000 -54.5 -58.8 59 4.3 -54.6 285 40 308.5 308.5 284.8 308.7 0.05 23 250 10150 -62.9 -67.3 55 4.4 -62.9 280 50 312.6 312.6 286.2 312.6 0.02 24 246 10250 -63.5 -67.9 55 4.4 -63.6 280 48 313.1 313.1 286.5 313.2 0.02 25 232 10613 -61.5 -65.8 56 4.3 -61.6 277 45 321.4 321.4 289.2 321.5 0.02 26 218 11000 -61.9 -66.3 56 4.4 -62.0 274 42 326.6 326.6 290.7 326.7 0.02 27 200 11540 -58.1 -62.8 55 4.7 -58.2 270 38 340.8 340.8 294.6 340.9 0.04 28 195 11699 -57.5 -62.2 55 4.7 -57.6 270 37 344.2 344.2 295.4 344.4 0.05 29 150 13340 -60.5 -66.5 45 6.0 -60.6 275 27 365.9 365.9 299.8 366.0 0.03 30 100 15840 -63.5 -71.5 33 8.0 -63.6 295 31 405.0 405.0 305.9 405.2 0.02 31 71 17915 -68.7 -77.7 26 9.0 -68.8 300 36 435.6 435.6 309.4 435.7 0.01 32 70 18000 -68.5 -77.5 26 9.0 -68.6 300 36 437.8 437.8 309.7 437.9 0.01 33 50 20010 -70.3 -79.3 25 9.0 -70.4 300 44 477.8 477.8 313.3 477.9 0.01 34 30 23020 -73.9 -83.9 20 10.0 -74.0 305 58 543.2 543.2 317.7 543.2 0.01 35 20 25370 -76.1 -86.1 19 10.0 -76.2 300 71 603.2 603.2 320.7 603.3 0.01 36 17 26308 -76.2 -87.0 17 10.7 -76.4 295 75 631.5 631.5 322.0 631.5 0.01 37 16 26657 -76.3 -87.3 16 11.0 -76.4 642.3 642.3 322.4 642.4 0.01 TRP 246 10250 -63.5 -67.9 55 4.4 -63.6 280 48 313.1 313.1 286.5 313.2 0.02 WND 17 26308 -76.2 -87.0 17 10.7 -76.4 295 75 631.5 631.5 322.0 631.5 0.01 Sounding variables and indices 1000-500 mb thick: 5339.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 61.81 % Est. max temperature: 7.35 C = 45.23 F Sfc-Lift cond lev (LCL): 971.86 mb = 396.90 m = 1302.15 ft T: -2.53 C 700-500 lapse rate: 6.48 C/km ThetaE index: 1.62 C Layer 804.0- 735.0 mb Conv cond level (CCL): 931.95 mb = 728.18 m = 2389.00 ft Mean mixing ratio: 2.82 g/kg Conv temperature: -0.21 C = 31.62 F Cap Strength: 15.72 C Lifted Index: 17.78 C Risk: None Lifted Index @300 mb: 18.75 C Lifted Index @700 mb: 13.03 C Showalter Index: 13.39 C Risk: None Total Totals Index: 36.30 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 17.30 C K Index: 4.80 Risk: None Sweat Index: 140.35 Risk: None Energy Index: 3.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.49 J/kg Max Up Vert Vel: 7.00 m/s Conv Inhibition (B-): 48474.36 J/kg Cap Strength: 17.73 C Lift Cond Lev (LCL): 920.69 mb = 824.01 m = 2703.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 20 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 ---------------------------------------------------------- 0 992 235 185 3 0.3 3.0 | 85 19 -19.1 -1.6 1 925 787 200 29 9.9 27.3 | 157 25 -9.4 22.7 2 850 1456 220 25 16.1 19.2 | 167 15 -3.3 14.6 3 700 2978 225 23 16.3 16.3 | 165 12 -3.1 11.7 4 500 5510 235 33 27.0 18.9 | 208 16 7.7 14.3 5 400 7100 265 36 35.9 3.1 | 275 17 16.5 -1.5 6 300 9000 285 40 38.6 -10.4 | 308 24 19.3 -14.9 7 250 10150 280 50 49.2 -8.7 | 294 33 29.9 -13.3 8 246 10250 280 48 47.3 -8.3 | 295 31 27.9 -12.9 9 200 11540 270 38 38.0 -0.0 | 284 19 18.6 -4.6 10 150 13340 275 27 26.9 -2.4 | 313 10 7.5 -6.9 11 100 15840 295 31 28.1 -13.1 | 334 20 8.7 -17.7 12 70 18000 300 36 31.2 -18.0 | 332 26 11.8 -22.6 13 50 20010 300 44 38.1 -22.0 | 325 33 18.8 -26.6 14 30 23020 305 58 47.5 -33.3 | 323 47 28.2 -37.9 15 20 25370 300 71 61.5 -35.5 | 314 58 42.1 -40.1 Wind Parameters Mean winds (0-6000m): 226.6 at 26.5 knts Storm direction: 256.6 at 19.9 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 85.1 deg Storm rel helicity (0-3000m) pos: 154.9 neg: -1.6 tot: 153.4 m^2/s^2 ave: 51.1 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.80 Bulk Shear: 30.64 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 ------------------------------------------------------------------------------- 500 198 15 123 17| 24.3 0.0 24.3|119.7 0.0 119.7 239.4 0.96| 24.6 23.7 1000 203 21 143 19| 12.2 0.0 12.2|147.9 0.0 147.9 147.9 0.85| 16.8 14.3 1500 209 23 151 17| 7.6 0.0 7.6|151.5 -0.2 151.4 100.9 0.78| 12.5 9.8 2000 212 23 154 16| 5.6 0.0 5.6|151.5 -0.7 150.9 75.4 0.76| 9.6 7.3 2500 214 23 157 16| 4.3 0.0 4.3|151.5 -1.3 150.2 60.1 0.74| 7.9 5.8 3000 216 23 158 15| 3.7 0.0 3.7|154.9 -1.6 153.4 51.1 0.73| 6.8 5.0 4000 219 24 163 14| 3.3 0.0 3.3|169.0 -1.6 167.4 41.8 0.76| 5.7 4.3 5000 223 25 171 14| 3.1 0.0 3.1|184.2 -1.6 182.6 36.5 0.77| 5.0 3.8 6000 227 27 180 14| 2.8 0.0 2.8|221.3 -1.6 219.7 36.6 0.80| 5.0 4.0 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20251209.12.gif