UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U5403... Searching the city database file for: U5403 ... Date:1200Z 8 DEC 25 Station: U5403 WMO ident: 25403 ------------------------------------------------------------------------------- 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 1014 45 -38.3 -43.3 59 5.0 -38.4 280 3 233.9 233.9 233.8 234.1 0.08 1 1000 141 -35.1 -39.8 62 4.7 -35.3 355 11 238.1 238.1 237.9 238.4 0.12 2 925 696 -25.9 -32.9 52 7.0 -26.5 50 3 252.8 252.9 251.7 253.6 0.26 3 904 862 -23.3 -30.3 53 7.0 -24.0 79 5 257.2 257.2 255.6 258.1 0.34 4 850 1315 -17.5 -26.5 45 9.0 -18.8 155 9 267.8 267.9 264.1 269.3 0.52 5 846 1350 -17.3 -26.3 45 9.0 -18.6 157 9 268.4 268.5 264.6 269.9 0.53 6 748 2266 -20.7 -32.7 33 12.0 -22.1 204 18 274.3 274.4 268.2 275.3 0.33 7 742 2326 -21.1 -33.1 33 12.0 -22.5 207 19 274.5 274.6 268.3 275.5 0.32 8 700 2753 -24.1 -36.1 32 12.0 -25.3 230 23 275.8 275.8 269.0 276.6 0.25 9 675 3017 -25.7 -37.7 32 12.0 -26.8 228 25 276.9 276.9 269.7 277.6 0.22 10 552 4451 -32.9 -42.9 36 10.0 -33.6 219 34 284.8 284.8 274.2 285.3 0.16 11 500 5140 -37.5 -45.5 43 8.0 -37.9 215 38 287.3 287.3 275.5 287.8 0.13 12 441 5995 -43.1 -51.1 41 8.0 -43.4 215 36 290.7 290.8 277.2 291.0 0.08 13 400 6650 -43.7 -51.7 41 8.0 -44.0 215 35 298.2 298.2 280.7 298.5 0.08 14 300 8580 -46.1 -54.1 40 8.0 -46.4 215 36 320.4 320.4 288.9 320.7 0.08 15 250 9780 -47.5 -55.5 39 8.0 -47.8 215 36 335.4 335.5 293.3 335.8 0.08 16 200 11250 -49.1 -57.1 39 8.0 -49.4 215 36 355.0 355.0 297.8 355.4 0.08 17 150 13130 -51.3 -59.3 38 8.0 -51.7 215 36 381.7 381.7 302.6 382.1 0.09 18 143 13441 -51.9 -65.9 17 14.0 -52.4 214 35 385.9 385.9 303.2 386.1 0.04 19 132 13965 -49.9 -64.9 16 15.0 -50.5 212 34 398.4 398.4 305.0 398.6 0.05 20 100 15770 -53.9 -69.9 12 16.0 -54.4 205 29 423.6 423.6 308.2 423.7 0.03 21 85 16813 -51.7 -69.7 10 18.0 -52.5 205 37 448.2 448.2 310.7 448.4 0.04 22 70 18060 -53.9 -71.9 9 18.0 -54.7 205 46 469.1 469.1 312.5 469.3 0.03 23 69 18152 -53.9 -71.9 9 18.0 -54.7 206 46 471.0 471.0 312.7 471.2 0.03 24 59 19158 -51.9 -70.9 8 19.0 -53.0 213 50 497.1 497.1 314.8 497.4 0.05 25 50 20220 -55.1 -74.1 8 19.0 -56.1 220 54 513.6 513.6 315.9 513.8 0.03 26 46 20754 -50.3 -70.3 8 20.0 -52.0 220 59 537.6 537.6 317.4 538.0 0.06 27 35 22531 -49.3 -70.3 7 21.0 -51.6 220 74 583.9 584.0 319.9 584.5 0.08 28 30 23530 -52.1 -73.1 6 21.0 -54.1 220 83 602.6 602.6 320.7 603.1 0.06 29 28 23977 -52.1 -73.1 6 21.0 -54.2 221 88 614.6 614.6 321.3 615.1 0.07 30 20 26190 -45.7 -68.7 6 23.0 -50.3 225 112 696.3 696.4 324.4 697.9 0.18 31 18 26885 -50.1 -72.1 6 22.0 -53.6 703.7 703.8 324.6 704.8 0.13 32 15 28077 -49.8 -72.5 5 22.7 -53.9 225 118 742.3 742.4 325.7 743.6 0.14 33 14 28529 -49.7 -72.7 5 23.0 -54.0 757.5 757.6 326.2 758.9 0.15 TRP WND 15 28077 -49.8 -72.5 5 22.7 -53.9 225 118 742.3 742.4 325.7 743.6 0.14 Sounding variables and indices 1000-500 mb thick: 4999.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 40.49 % Est. max temperature: -7.13 C = 19.16 F Sfc-Lift cond lev (LCL): 929.09 mb = 664.60 m = 2180.43 ft T: -26.42 C 700-500 lapse rate: 5.61 C/km ThetaE index: 0.00 C Layer 1014.0--97609095688668617833845882880.0 mb Conv cond level (CCL): None Cap Strength: 33.00 C Lifted Index: 34.17 C Risk: None Lifted Index @300 mb: 52.96 C Lifted Index @700 mb: 27.33 C Showalter Index: 14.92 C Risk: None Total Totals Index: 31.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 11.00 C K Index: -18.50 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 3.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.68 J/kg Max Up Vert Vel: 8.57 m/s Conv Inhibition (B-): 71758.20 J/kg Cap Strength: 34.09 C Lift Cond Lev (LCL): 882.61 mb = 1038.11 m = 3405.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 248 at 17 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 1014 45 280 3 3.0 -0.5 | 61 15 -13.0 -7.1 1 1000 141 355 11 1.0 -11.0 | 41 23 -15.0 -17.6 2 925 696 50 3 -2.3 -1.9 | 65 20 -18.3 -8.5 3 850 1315 155 9 -3.8 8.2 | 95 20 -19.8 1.6 4 700 2753 230 23 17.6 14.8 | 191 8 1.6 8.2 5 500 5140 215 38 21.8 31.1 | 193 25 5.8 24.5 6 400 6650 215 35 20.1 28.7 | 190 22 4.1 22.1 7 300 8580 215 36 20.6 29.5 | 191 23 4.7 22.9 8 250 9780 215 36 20.6 29.5 | 191 23 4.7 22.9 9 200 11250 215 36 20.6 29.5 | 191 23 4.7 22.9 10 150 13130 215 36 20.6 29.5 | 191 23 4.7 22.9 11 100 15770 205 29 12.3 26.3 | 169 20 -3.7 19.7 12 70 18060 205 46 19.4 41.7 | 186 35 3.4 35.1 13 50 20220 220 54 34.7 41.4 | 208 39 18.7 34.8 14 30 23530 220 83 53.4 63.6 | 213 68 37.4 57.0 15 20 26190 225 112 79.2 79.2 | 221 96 63.2 72.6 Wind Parameters Mean winds (0-6000m): 217.6 at 23.1 knts Storm direction: 247.6 at 17.3 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 132.7 deg Storm rel helicity (0-3000m) pos: 206.9 neg: -32.0 tot: 175.0 m^2/s^2 ave: 58.3 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 6.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.31 Bulk Shear: 118.32 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 3 8 49 22| 7.2 0.0 7.2| 47.2 -32.0 15.2 30.4 0.05| 19.3 1.0 1000 21 6 56 22| 4.8 0.0 4.8| 86.7 -32.0 54.7 54.7 0.30| 13.6 4.0 1500 83 7 72 24| 4.4 0.0 4.4|136.3 -32.0 104.3 69.5 0.46| 12.4 5.8 2000 160 9 95 19| 4.2 0.0 4.2|168.2 -32.0 136.3 68.1 0.54| 11.4 6.1 2500 196 11 105 14| 4.1 0.0 4.1|195.5 -32.0 163.5 65.4 0.59| 11.1 6.6 3000 215 13 113 10| 4.0 0.0 4.0|206.9 -32.0 175.0 58.3 0.61| 10.4 6.3 4000 220 16 137 8| 3.0 0.9 3.9|208.3 -32.1 176.2 44.0 0.55| 8.7 4.8 5000 219 20 160 10| 2.4 1.5 3.8|208.3 -37.4 170.9 34.2 0.49| 7.7 3.7 6000 218 23 171 12| 2.0 1.1 3.1|208.3 -42.7 165.6 27.6 0.46| 6.6 3.0 Wrote GIF file: /home/apache/climate/data/raob//U5403/skewt/U5403.skewt.20251208.12.gif