UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 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 -28 260 9 SFC 995 13 2.8 -0.0 82 2.8 1.6 260 9 276.3 277.0 275.0 286.9 3.84 2 925 599 -1.5 -6.1 71 4.6 -3.1 255 11 277.8 278.2 274.0 285.1 2.62 3 850 1266 -6.3 -10.3 73 4.0 -7.5 245 21 279.5 279.9 274.2 285.4 2.05 4 800 1737 -10.5 -13.9 76 3.4 -11.4 242 22 280.0 280.2 273.8 284.7 1.63 5 700 2753 -16.7 -20.7 71 4.0 -17.5 235 23 284.0 284.2 275.2 287.1 1.05 6 538 4681 -29.1 -33.1 68 4.0 -29.6 239 12 291.4 291.5 278.0 292.8 0.44 7 500 5200 -33.5 -37.7 66 4.2 -33.8 240 9 292.2 292.2 278.2 293.2 0.30 8 422 6370 -43.1 -48.1 58 5.0 -43.3 232 14 294.4 294.5 279.0 294.8 0.12 9 400 6730 -44.9 -50.9 51 6.0 -45.1 230 15 296.6 296.7 280.0 297.0 0.09 10 396 6797 -45.3 -51.3 51 6.0 -45.5 229 16 297.0 297.0 280.1 297.3 0.09 11 337 7860 -49.9 -55.9 49 6.0 -50.0 220 27 304.7 304.7 283.4 304.9 0.06 12 300 8620 -48.9 -54.9 50 6.0 -49.1 210 23 316.4 316.4 287.6 316.7 0.07 13 291 8821 -48.7 -55.7 44 7.0 -48.9 212 24 319.5 319.5 288.6 319.8 0.07 14 250 9830 -45.7 -53.7 40 8.0 -46.1 220 29 338.1 338.1 294.0 338.5 0.10 15 233 10297 -44.7 -52.7 40 8.0 -45.2 218 26 346.5 346.5 296.0 347.0 0.12 16 200 11310 -45.5 -54.5 36 9.0 -46.0 215 21 360.7 360.7 299.0 361.2 0.12 17 150 13220 -48.3 -58.3 31 10.0 -48.8 215 15 386.8 386.9 303.4 387.3 0.10 18 100 15860 -53.1 -64.1 25 11.0 -53.6 190 7 425.1 425.1 308.3 425.5 0.07 19 87 16751 -55.1 -66.1 24 11.0 -55.6 219 6 438.4 438.4 309.7 438.7 0.06 20 81 17204 -56.9 -67.9 24 11.0 -57.3 234 6 443.7 443.8 310.3 444.0 0.05 21 73 17863 -55.3 -66.3 24 11.0 -55.8 256 5 460.5 460.5 311.8 460.9 0.07 22 70 18130 -55.9 -66.9 24 11.0 -56.4 265 5 464.8 464.8 312.3 465.2 0.07 23 57 19425 -59.9 -70.9 22 11.0 -60.3 268 14 483.8 483.9 313.8 484.1 0.05 24 54 19765 -57.3 -69.3 20 12.0 -57.9 269 16 497.4 497.4 314.8 497.8 0.06 25 50 20250 -58.9 -70.9 20 12.0 -59.5 270 19 504.7 504.7 315.3 505.0 0.05 26 46 20769 -61.7 -72.7 22 11.0 -62.1 268 18 510.1 510.1 315.7 510.4 0.04 27 45 20905 -60.9 -71.9 22 11.0 -61.3 268 18 515.3 515.3 316.0 515.6 0.05 28 30 23410 -62.9 -74.9 18 12.0 -63.4 260 15 573.2 573.2 319.3 573.5 0.05 29 27 24060 -61.9 -73.9 19 12.0 -62.6 593.5 593.5 320.3 594.0 0.06 TRP 337 7860 -49.9 -55.9 49 6.0 -50.0 220 27 304.7 304.7 283.4 304.9 0.06 WND Sounding variables and indices 1000-500 mb thick: 5228.00 m Freezing level: 949.42 mb = 394.45 m = 1294.10 ft Wetbulb zero: 971.38 mb = 205.77 m = 675.11 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 71.59 % Est. max temperature: 6.04 C = 42.87 F Sfc-Lift cond lev (LCL): 952.71 mb = 361.77 m = 1186.88 ft T: 0.24 C 700-500 lapse rate: 6.87 C/km ThetaE index: 1.75 C Layer 925.0- 850.0 mb Conv cond level (CCL): 866.99 mb = 1109.87 m = 3641.25 ft Mean mixing ratio: 3.00 g/kg Conv temperature: 5.59 C = 42.07 F Cap Strength: 5.74 C Lifted Index: 5.97 C Risk: None Lifted Index @300 mb: 21.80 C Lifted Index @700 mb: 1.80 C Showalter Index: 6.21 C Risk: None Total Totals Index: 50.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 23.20 C K Index: 12.90 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 1.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.02 J/kg Max Up Vert Vel: 3.75 m/s Conv Inhibition (B-): 45421.29 J/kg Cap Strength: 5.99 C Lift Cond Lev (LCL): 890.14 mb = 902.03 m = 2959.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 12 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 13 260 9 8.9 1.6 | 116 4 -3.2 1.6 1 925 599 255 11 10.6 2.8 | 152 3 -1.5 2.8 2 850 1266 245 21 19.0 8.9 | 218 11 6.9 8.9 3 700 2753 235 23 18.8 13.2 | 207 15 6.7 13.2 4 500 5200 240 9 7.8 4.5 | 136 6 -4.3 4.5 5 400 6730 230 15 11.5 9.6 | 176 10 -0.6 9.6 6 337 7860 220 27 17.4 20.7 | 194 21 5.2 20.7 7 300 8620 210 23 11.5 19.9 | 178 20 -0.6 19.9 8 250 9830 220 29 18.6 22.2 | 196 23 6.5 22.2 9 200 11310 215 21 12.0 17.2 | 180 17 -0.1 17.2 10 150 13220 215 15 8.6 12.3 | 164 13 -3.5 12.3 11 100 15860 190 7 1.2 6.9 | 122 13 -10.9 6.9 12 70 18130 265 5 5.0 0.4 | 93 7 -7.1 0.4 13 50 20250 270 19 19.0 -0.0 | 270 7 6.9 -0.0 14 30 23410 260 15 14.8 2.6 | 226 4 2.7 2.6 Wind Parameters Mean winds (0-6000m): 240.0 at 16.2 knts Storm direction: 270.0 at 12.1 knts Shear (0-3000m) pos: 0.0 neg: 2.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 89.2 deg Storm rel helicity (0-3000m) pos: 8.7 neg: -10.3 tot: -1.6 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.97 Bulk Shear: 7.23 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 ------------------------------------------------------------------------------- 500 258 10 130 3| 0.0 1.9 1.9| 1.5 0.0 1.5 3.1 0.95| 1.9 1.8 1000 254 12 165 3| 0.0 4.4 4.4| 6.8 0.0 6.8 6.8 0.75| 4.4 3.3 1500 250 14 197 5| 0.0 4.4 4.4| 8.7 -1.0 7.8 5.2 0.53| 4.6 2.4 2000 247 16 204 7| 0.0 3.6 3.6| 8.7 -3.7 5.1 2.5 0.42| 3.8 1.6 2500 245 18 207 8| 0.0 3.1 3.1| 8.7 -6.7 2.0 0.8 0.33| 3.3 1.1 3000 243 18 207 9| 0.0 2.4 2.4| 8.7 -10.3 -1.6 -0.5 0.24| 3.1 0.7 4000 241 18 205 10| 0.7 1.8 2.5| 8.7 -18.9 -10.2 -2.5 0.05| 3.1 0.2 5000 240 17 199 9| 1.2 1.4 2.6| 8.7 -28.1 -19.4 -3.9 -0.13| 3.1 -0.4 6000 240 16 193 8| 1.0 1.4 2.4| 14.0 -29.8 -15.8 -2.6 -0.05| 2.9 -0.1 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251018.00.gif