UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 20 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 5 130 15 SFC 998 21 1.2 -2.1 79 3.3 -0.1 130 15 274.5 275.1 273.2 283.5 3.28 2 990 86 2.0 -4.0 64 6.0 -0.3 135 15 275.9 276.4 273.4 283.9 2.87 3 925 632 0.0 -5.0 69 5.0 -1.9 180 11 279.3 279.8 275.2 287.3 2.84 4 850 1305 -2.9 -7.9 68 5.0 -4.7 195 11 283.1 283.5 276.7 290.2 2.48 5 805 1734 -4.5 -8.6 73 4.1 -6.0 208 12 285.8 286.3 278.2 293.0 2.48 6 781 1972 -6.3 -12.3 62 6.0 -8.2 215 12 286.4 286.7 277.7 292.0 1.90 7 700 2817 -12.7 -15.2 82 2.5 -13.4 240 13 288.4 288.7 278.3 293.4 1.67 8 693 2894 -13.1 -15.4 83 2.3 -13.7 240 14 288.8 289.1 278.5 293.8 1.66 9 665 3207 -14.9 -17.4 81 2.5 -15.5 239 16 290.2 290.5 278.9 294.7 1.47 10 592 4077 -20.7 -23.7 77 3.0 -21.2 238 24 293.3 293.5 279.7 296.3 0.95 11 552 4586 -28.1 -31.0 76 2.9 -28.5 236 29 290.4 290.5 277.7 292.1 0.52 12 500 5290 -32.7 -35.6 75 2.9 -33.0 235 35 293.2 293.2 278.8 294.4 0.37 13 477 5618 -36.1 -39.1 74 3.0 -36.3 234 35 292.9 293.0 278.6 293.8 0.27 14 417 6538 -40.3 -43.4 72 3.1 -40.5 231 33 299.0 299.1 281.2 299.7 0.20 15 400 6820 -41.5 -44.5 73 3.0 -41.6 230 33 301.1 301.1 282.0 301.7 0.18 16 300 8730 -50.3 -53.6 68 3.3 -50.4 235 35 314.5 314.5 287.0 314.8 0.09 17 250 9910 -56.5 -59.7 67 3.2 -56.6 250 25 322.1 322.1 289.5 322.3 0.05 18 242 10116 -57.1 -60.4 66 3.3 -57.2 250 25 324.2 324.2 290.1 324.4 0.05 19 239 10194 -57.3 -60.6 66 3.3 -57.3 249 25 325.0 325.0 290.3 325.2 0.05 20 204 11194 -56.7 -59.9 67 3.2 -56.8 241 27 341.0 341.1 294.6 341.3 0.06 21 200 11320 -55.7 -59.2 65 3.5 -55.8 240 27 344.6 344.6 295.5 344.8 0.07 22 159 12800 -49.7 -53.9 61 4.2 -50.0 268 13 378.1 378.1 302.1 378.8 0.16 23 150 13180 -50.9 -55.0 62 4.1 -51.1 275 9 382.4 382.4 302.8 383.0 0.15 24 138 13722 -51.3 -55.7 59 4.4 -51.5 265 11 390.9 390.9 304.0 391.6 0.15 25 122 14521 -51.3 -56.1 56 4.8 -51.6 250 13 404.9 405.0 306.0 405.7 0.16 26 100 15800 -55.5 -65.5 28 10.0 -55.9 225 17 420.5 420.5 307.8 420.8 0.06 27 70 18070 -57.5 -69.5 20 12.0 -57.9 225 13 461.4 461.4 311.9 461.6 0.05 28 60 19034 -59.5 -71.5 20 12.0 -59.9 232 16 477.7 477.7 313.3 477.9 0.04 29 54 19687 -61.5 -73.5 19 12.0 -61.9 237 18 487.7 487.7 314.1 487.9 0.03 30 50 20160 -63.3 -67.5 57 4.2 -63.5 240 19 494.3 494.3 314.6 494.9 0.09 31 30 23290 -64.3 -77.3 15 13.0 -64.8 245 25 569.3 569.4 319.2 569.6 0.03 32 21 25448 -68.9 -82.9 12 14.0 -69.3 616.6 616.6 321.3 616.7 0.02 TRP 242 10116 -57.1 -60.4 66 3.3 -57.2 250 25 324.2 324.2 290.1 324.4 0.05 WND Sounding variables and indices 1000-500 mb thick: 5285.00 m Freezing level: 925.00 mb = 632.00 m = 2073.47 ft Wetbulb zero: Below ground Precipitable water: 0.39 inches Sfc-500 mean rel hum: 73.68 % Est. max temperature: 9.91 C = 49.85 F Sfc-Lift cond lev (LCL): 947.99 mb = 434.62 m = 1425.89 ft T: 0.72 C 700-500 lapse rate: 8.09 C/km ThetaE index: 1.04 C Layer 781.0- 700.0 mb Conv cond level (CCL): 765.65 mb = 2124.78 m = 6970.98 ft Mean mixing ratio: 2.85 g/kg Conv temperature: 13.46 C = 56.23 F Cap Strength: 7.87 C Lifted Index: 6.51 C Risk: None Lifted Index @300 mb: 20.17 C Lifted Index @700 mb: 5.56 C Showalter Index: 3.34 C Risk: None Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.80 C Cross Totals Index: 24.80 C K Index: 19.40 Risk: < 20 % chance of thunderstorms Sweat Index: 169.00 Risk: None Energy Index: 0.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.14 J/kg Max Up Vert Vel: 5.68 m/s Conv Inhibition (B-): 51082.62 J/kg Cap Strength: 7.81 C Lift Cond Lev (LCL): 871.31 mb = 1107.95 m = 3634.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 15 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 ---------------------------------------------------------- 0 998 21 130 15 -11.5 9.6 | 104 27 -26.1 6.3 1 925 632 180 11 0.0 11.0 | 118 16 -14.6 7.6 2 850 1305 195 11 2.8 10.6 | 122 14 -11.7 7.2 3 700 2817 240 13 11.3 6.5 | 133 5 -3.3 3.1 4 500 5290 235 35 28.7 20.1 | 220 22 14.1 16.7 5 400 6820 230 33 25.3 21.2 | 211 21 10.7 17.8 6 300 8730 235 35 28.7 20.1 | 220 22 14.1 16.7 7 250 9910 250 25 23.5 8.6 | 240 10 8.9 5.2 8 242 10116 250 25 23.5 8.6 | 240 10 8.9 5.2 9 200 11320 240 27 23.4 13.5 | 221 13 8.8 10.1 10 150 13180 275 9 9.0 -0.8 | 53 7 -5.6 -4.2 11 100 15800 225 17 12.0 12.0 | 164 9 -2.6 8.6 12 70 18070 225 13 9.2 9.2 | 137 8 -5.4 5.8 13 50 20160 240 19 16.5 9.5 | 197 6 1.9 6.1 14 30 23290 245 25 22.7 10.6 | 228 11 8.1 7.2 Wind Parameters Mean winds (0-6000m): 226.9 at 19.9 knts Storm direction: 256.9 at 15.0 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 52.9 deg Storm rel helicity (0-3000m) pos: 47.2 neg: -0.0 tot: 47.2 m^2/s^2 ave: 15.7 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 65.41 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 ------------------------------------------------------------------------------- 500 146 13 109 23| 10.1 0.0 10.1| 32.6 0.0 32.6 65.2 0.52| 10.4 5.4 1000 163 12 115 20| 6.8 0.0 6.8| 37.0 0.0 37.0 37.0 0.46| 7.0 3.2 1500 173 12 118 18| 5.4 0.0 5.4| 40.6 0.0 40.6 27.1 0.45| 5.5 2.5 2000 183 12 121 16| 4.8 0.0 4.8| 43.8 0.0 43.8 21.9 0.43| 5.0 2.2 2500 192 12 124 15| 4.4 0.0 4.4| 45.1 0.0 45.1 18.0 0.40| 4.6 1.8 3000 201 12 128 13| 4.2 0.0 4.2| 47.2 -0.0 47.2 15.7 0.41| 4.5 1.8 4000 215 14 140 10| 3.1 1.1 4.3| 57.3 -0.0 57.3 14.3 0.47| 4.5 2.1 5000 223 17 162 9| 2.5 1.8 4.3| 65.8 -0.0 65.8 13.2 0.42| 4.5 1.9 6000 227 20 180 10| 2.1 1.7 3.8| 67.2 -9.0 58.2 9.7 0.36| 4.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251020.00.gif