UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 28 DEC 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1007 53 -11.7 -16.6 67 4.9 -12.7 160 5 260.9 261.1 260.0 263.7 1.03 1 1000 106 -11.7 -17.7 61 6.0 -12.9 165 9 261.5 261.6 260.3 264.1 0.95 2 972 322 -12.5 -18.5 61 6.0 -13.6 183 16 262.8 262.9 261.2 265.3 0.91 3 947 523 -6.3 -14.3 53 8.0 -8.4 200 22 271.0 271.3 267.9 274.8 1.33 4 934 630 -7.3 -15.3 53 8.0 -9.3 209 25 271.1 271.3 267.7 274.6 1.24 5 925 705 -7.5 -14.5 57 7.0 -9.3 215 27 271.6 271.9 268.3 275.4 1.34 6 896 953 -9.1 -14.0 68 4.9 -10.4 224 25 272.5 272.7 269.0 276.5 1.44 7 850 1363 -8.5 -12.0 76 3.5 -9.5 240 21 277.2 277.5 272.5 282.3 1.79 8 845 1409 -8.7 -12.2 76 3.5 -9.7 240 21 277.5 277.8 272.6 282.6 1.77 9 834 1510 -9.1 -12.7 75 3.6 -10.1 239 22 278.1 278.4 272.9 283.1 1.72 10 700 2843 -17.9 -22.4 68 4.5 -18.7 230 31 282.7 282.8 274.2 285.4 0.90 11 550 4606 -28.7 -32.9 67 4.2 -29.2 223 40 290.0 290.1 277.4 291.4 0.44 12 500 5280 -34.7 -39.0 65 4.3 -35.0 220 44 290.7 290.8 277.4 291.6 0.26 13 400 6790 -47.1 -51.4 61 4.3 -47.2 230 56 293.8 293.8 278.6 294.1 0.08 14 317 8286 -60.7 -65.0 57 4.3 -60.7 225 66 295.1 295.1 279.1 295.2 0.02 15 300 8630 -60.3 -64.7 56 4.4 -60.3 230 68 300.4 300.4 281.5 300.4 0.02 16 250 9770 -58.9 -63.6 54 4.7 -59.0 240 60 318.5 318.5 288.3 318.6 0.03 17 200 11180 -57.1 -63.1 46 6.0 -57.2 255 44 342.3 342.3 294.9 342.5 0.04 18 160 12591 -56.1 -63.1 41 7.0 -56.3 263 35 366.6 366.6 300.0 366.8 0.05 19 150 13000 -56.3 -63.3 41 7.0 -56.5 265 33 373.1 373.1 301.1 373.3 0.05 20 100 15550 -60.3 -69.3 30 9.0 -60.5 270 44 411.2 411.2 306.7 411.4 0.03 21 93 16001 -60.7 -69.7 30 9.0 -60.9 270 44 419.1 419.1 307.6 419.2 0.03 22 70 17750 -64.7 -73.7 28 9.0 -64.8 270 42 446.0 446.0 310.5 446.1 0.03 23 68 17927 -65.3 -74.3 28 9.0 -65.5 270 43 448.4 448.4 310.7 448.5 0.02 24 54 19333 -65.1 -75.1 24 10.0 -65.3 270 48 479.4 479.4 313.4 479.6 0.03 25 50 19800 -66.9 -76.9 23 10.0 -67.1 270 50 485.8 485.8 313.9 486.0 0.02 26 39 21294 -69.7 -79.7 22 10.0 -69.9 272 59 514.5 514.5 315.9 514.6 0.02 27 30 22860 -69.7 -79.7 22 10.0 -69.9 275 68 554.6 554.6 318.3 554.8 0.02 28 20 25280 -68.5 -79.5 19 11.0 -68.9 270 64 626.5 626.5 321.7 626.8 0.04 29 16 26616 -68.3 -79.3 19 11.0 -68.8 265 70 668.4 668.5 323.4 668.8 0.05 30 14 27424 -63.7 -74.7 21 11.0 -64.6 262 74 710.0 710.1 324.8 711.0 0.11 31 10 29480 -64.9 -75.9 21 11.0 -66.0 255 83 777.3 777.4 326.7 778.5 0.13 32 9.7 29665 -66.3 -77.3 20 11.0 -67.2 778.8 778.9 326.7 779.8 0.11 TRP 317 8286 -60.7 -65.0 57 4.3 -60.7 225 66 295.1 295.1 279.1 295.2 0.02 WND 300 8630 -60.3 -64.7 56 4.4 -60.3 230 68 300.4 300.4 281.5 300.4 0.02 Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 67.40 % Est. max temperature: 3.90 C = 39.01 F Sfc-Lift cond lev (LCL): 930.38 mb = 660.08 m = 2165.59 ft T: -7.38 C 700-500 lapse rate: 6.89 C/km ThetaE index: 0.18 C Layer 934.0- 925.0 mb Conv cond level (CCL): 663.23 mb = 3237.53 m = 10621.68 ft Mean mixing ratio: 1.15 g/kg Conv temperature: 11.76 C = 53.17 F Cap Strength: 16.92 C Lifted Index: 16.90 C Risk: None Lifted Index @300 mb: 21.32 C Lifted Index @700 mb: 12.31 C Showalter Index: 7.41 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 22.70 C K Index: 9.70 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 1.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.12 J/kg Max Up Vert Vel: 10.40 m/s Conv Inhibition (B-): 68545.37 J/kg Cap Strength: 16.95 C Lift Cond Lev (LCL): 860.29 mb = 1269.40 m = 4164.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 24 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 1007 53 160 5 -1.7 4.7 | 86 25 -25.2 -1.7 1 1000 106 165 9 -2.3 8.7 | 95 26 -25.8 2.3 2 925 705 215 27 15.5 22.1 | 153 18 -8.0 15.7 3 850 1363 240 21 18.2 10.5 | 128 7 -5.3 4.1 4 700 2843 230 31 23.7 19.9 | 181 14 0.3 13.5 5 500 5280 220 44 28.3 33.7 | 190 28 4.8 27.3 6 400 6790 230 56 42.9 36.0 | 213 35 19.4 29.6 7 317 8286 225 66 46.7 46.7 | 210 46 23.2 40.3 8 300 8630 230 68 52.1 43.7 | 217 47 28.6 37.3 9 250 9770 240 60 52.0 30.0 | 230 37 28.5 23.6 10 200 11180 255 44 42.5 11.4 | 255 20 19.0 5.0 11 150 13000 265 33 32.9 2.9 | 291 10 9.4 -3.5 12 100 15550 270 44 44.0 -0.0 | 287 21 20.5 -6.4 13 70 17750 270 42 42.0 -0.0 | 289 20 18.5 -6.4 14 50 19800 270 50 50.0 -0.0 | 284 27 26.5 -6.4 15 30 22860 275 68 67.7 -5.9 | 286 46 44.3 -12.3 16 20 25280 270 64 64.0 -0.0 | 279 41 40.5 -6.4 17 10 29480 255 83 80.2 21.5 | 255 59 56.7 15.1 Wind Parameters Mean winds (0-6000m): 224.8 at 32.5 knts Storm direction: 254.8 at 24.3 knts Shear (0-3000m) pos: 3.7 neg: 1.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 97.0 deg Storm rel helicity (0-3000m) pos: 178.4 neg: -9.7 tot: 168.7 m^2/s^2 ave: 56.2 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 5.2 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.85 Bulk Shear: 63.60 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 ------------------------------------------------------------------------------- 500 190 15 111 22| 19.6 0.0 19.6|127.4 0.0 127.4 254.7 0.96| 21.6 20.6 1000 211 20 129 17| 11.6 0.0 11.6|159.2 -3.2 156.0 156.0 0.74| 17.6 13.1 1500 219 21 133 14| 7.5 0.0 7.5|161.4 -9.7 151.7 101.1 0.58| 14.0 8.2 2000 224 21 137 12| 5.6 0.9 6.6|167.7 -9.7 158.0 79.0 0.61| 11.4 6.9 2500 227 23 143 12| 4.5 1.5 6.0|173.6 -9.7 163.8 65.5 0.61| 9.9 6.0 3000 227 24 149 11| 3.7 1.9 5.6|178.4 -9.7 168.7 56.2 0.59| 8.9 5.2 4000 227 27 161 12| 2.8 2.1 5.0|185.6 -9.7 175.9 44.0 0.56| 7.4 4.1 5000 226 30 171 14| 2.2 2.3 4.6|188.9 -9.7 179.2 35.8 0.52| 6.5 3.4 6000 225 32 178 17| 2.6 1.9 4.5|239.5 -9.7 229.8 38.3 0.54| 6.2 3.4 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251228.12.gif