UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 18 OCT 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 12 180 11 SFC 999 20 1.6 -0.7 85 2.3 0.7 180 11 274.8 275.4 273.9 284.7 3.63 2 969 265 0.8 -3.7 72 4.5 -0.9 196 14 276.4 276.9 273.9 284.7 3.00 3 925 636 -2.5 -6.1 76 3.6 -3.8 220 19 276.8 277.2 273.5 284.0 2.62 4 852 1282 -7.9 -11.2 77 3.3 -8.9 239 25 277.7 278.0 272.9 283.1 1.90 5 850 1300 -8.1 -11.4 77 3.3 -9.1 240 25 277.7 278.0 272.9 283.0 1.88 6 755 2209 -14.7 -17.6 79 2.9 -15.4 255 25 280.1 280.3 273.3 283.8 1.27 7 715 2619 -17.5 -22.4 66 4.9 -18.4 262 25 281.4 281.5 273.5 284.1 0.89 8 700 2778 -18.7 -23.7 65 5.0 -19.6 265 25 281.8 281.9 273.6 284.2 0.81 9 616 3717 -25.5 -33.5 47 8.0 -26.4 257 27 284.5 284.5 274.3 285.6 0.37 10 577 4187 -28.5 -34.5 56 6.0 -29.1 254 28 286.3 286.4 275.3 287.5 0.36 11 500 5200 -34.5 -38.5 67 4.0 -34.8 245 31 291.0 291.0 277.6 291.9 0.27 12 489 5355 -35.7 -39.4 69 3.7 -36.0 245 31 291.4 291.4 277.7 292.2 0.26 13 434 6173 -41.3 -44.6 70 3.3 -41.5 245 31 294.4 294.4 279.0 294.9 0.17 14 400 6720 -46.1 -49.4 69 3.3 -46.2 245 31 295.1 295.1 279.3 295.4 0.11 15 336 7867 -53.5 -57.3 63 3.8 -53.6 254 31 300.1 300.1 281.4 300.2 0.05 16 331 7964 -53.7 -57.5 63 3.8 -53.8 255 31 301.1 301.1 281.8 301.2 0.05 17 300 8600 -53.3 -57.2 62 3.9 -53.4 250 29 310.2 310.2 285.5 310.4 0.06 18 271 9254 -50.5 -54.6 62 4.1 -50.6 239 29 323.4 323.5 289.9 323.8 0.08 19 250 9780 -47.9 -52.9 56 5.0 -48.1 230 29 334.9 334.9 293.2 335.3 0.11 20 210 10929 -47.1 -55.1 40 8.0 -47.5 234 24 353.2 353.2 297.4 353.7 0.10 21 200 11250 -48.5 -58.5 30 10.0 -48.9 235 23 356.0 356.0 298.0 356.3 0.07 22 160 12717 -49.1 -63.1 18 14.0 -49.7 227 26 378.4 378.4 302.1 378.6 0.05 23 150 13140 -49.9 -64.9 16 15.0 -50.4 225 27 384.1 384.1 302.9 384.3 0.04 24 100 15770 -53.9 -71.9 9 18.0 -54.5 235 21 423.6 423.6 308.2 423.7 0.02 25 70 18030 -58.1 -77.1 7 19.0 -58.6 245 13 460.1 460.1 311.8 460.2 0.02 26 56 19427 -61.3 -80.3 6 19.0 -61.7 258 13 483.1 483.1 313.7 483.2 0.01 27 50 20130 -61.9 -80.9 6 19.0 -62.3 265 13 497.6 497.6 314.8 497.7 0.01 28 38 21825 -61.9 -80.9 6 19.0 -62.4 252 15 538.2 538.2 317.4 538.3 0.02 29 31 23070 -65.9 -84.9 5 19.0 -66.3 242 17 559.7 559.7 318.6 559.8 0.01 30 30 23270 -64.3 -84.3 5 20.0 -64.8 240 17 569.3 569.4 319.1 569.4 0.01 31 26 24145 -64.1 -84.1 5 20.0 -64.7 240 18 593.7 593.7 320.3 593.8 0.01 32 24 24634 -65.3 -84.3 6 19.0 -65.9 240 19 604.0 604.0 320.8 604.1 0.01 33 20 25750 -62.9 -82.9 5 20.0 -63.8 240 21 643.6 643.6 322.4 643.8 0.02 34 16 27119 -64.5 -84.5 5 20.0 -65.4 680.8 680.8 323.8 681.0 0.02 35 12 28888 -61.9 -81.9 5 20.0 -63.5 748.4 748.4 325.9 748.8 0.04 TRP 331 7964 -53.7 -57.5 63 3.8 -53.8 255 31 301.1 301.1 281.8 301.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5188.00 m Freezing level: 958.33 mb = 355.08 m = 1164.95 ft Wetbulb zero: 986.40 mb = 122.08 m = 400.52 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 66.74 % Est. max temperature: 4.46 C = 40.02 F Sfc-Lift cond lev (LCL): 963.84 mb = 307.76 m = 1009.69 ft T: 0.42 C 700-500 lapse rate: 6.52 C/km ThetaE index: 1.72 C Layer 969.0- 755.0 mb Conv cond level (CCL): 883.22 mb = 999.01 m = 3277.56 ft Mean mixing ratio: 2.86 g/kg Conv temperature: 4.06 C = 39.31 F Cap Strength: 2.95 C Lifted Index: 6.03 C Risk: None Lifted Index @300 mb: 18.34 C Lifted Index @700 mb: 0.79 C Showalter Index: 7.08 C Risk: None Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 23.10 C K Index: 10.00 Risk: None Sweat Index: 126.89 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.77 J/kg Max Up Vert Vel: 3.68 m/s Conv Inhibition (B-): 59385.02 J/kg Cap Strength: 5.81 C Lift Cond Lev (LCL): 895.08 mb = 894.24 m = 2933.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 19 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 ---------------------------------------------------------- 0 999 20 180 11 0.0 11.0 | 125 24 -19.2 13.6 1 925 636 220 19 12.2 14.6 | 158 19 -7.0 17.1 2 850 1300 240 25 21.7 12.5 | 189 15 2.4 15.1 3 700 2778 265 25 24.9 2.2 | 230 7 5.7 4.8 4 500 5200 245 31 28.1 13.1 | 210 18 8.9 15.7 5 400 6720 245 31 28.1 13.1 | 210 18 8.9 15.7 6 331 7964 255 31 29.9 8.0 | 225 15 10.7 10.6 7 300 8600 250 29 27.3 9.9 | 213 15 8.0 12.5 8 250 9780 230 29 22.2 18.6 | 188 21 3.0 21.2 9 200 11250 235 23 18.8 13.2 | 179 16 -0.4 15.8 10 150 13140 225 27 19.1 19.1 | 180 22 -0.1 21.7 11 100 15770 235 21 17.2 12.0 | 172 15 -2.0 14.6 12 70 18030 245 13 11.8 5.5 | 137 11 -7.4 8.1 13 50 20130 265 13 13.0 1.1 | 121 7 -6.3 3.7 14 30 23270 240 17 14.7 8.5 | 158 12 -4.5 11.1 15 20 25750 240 21 18.2 10.5 | 176 13 -1.0 13.1 Wind Parameters Mean winds (0-6000m): 247.7 at 25.8 knts Storm direction: 277.7 at 19.4 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 102.1 deg Storm rel helicity (0-3000m) pos: 131.5 neg: -0.7 tot: 130.9 m^2/s^2 ave: 43.6 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 47.14 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 ------------------------------------------------------------------------------- 500 202 14 139 21| 10.4 0.0 10.4| 56.3 0.0 56.3 112.7 0.93| 10.7 10.0 1000 215 17 151 19| 9.2 0.0 9.2| 92.5 0.0 92.5 92.5 0.92| 9.6 8.9 1500 226 20 162 17| 7.7 0.0 7.7|113.7 0.0 113.7 75.8 0.91| 8.4 7.7 2000 232 21 170 16| 6.2 0.0 6.2|121.7 0.0 121.7 60.9 0.88| 7.3 6.4 2500 238 22 177 14| 5.3 0.0 5.3|128.5 0.0 128.5 51.4 0.86| 6.6 5.6 3000 243 22 183 13| 4.6 0.0 4.6|131.5 -0.7 130.9 43.6 0.82| 5.9 4.9 4000 248 23 192 12| 3.4 0.6 4.0|131.5 -5.3 126.2 31.6 0.68| 5.0 3.5 5000 248 25 198 12| 2.7 1.0 3.7|131.5 -13.1 118.5 23.7 0.56| 4.5 2.6 6000 248 26 201 13| 2.3 0.9 3.2|131.5 -14.9 116.7 19.4 0.54| 3.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251018.12.gif