UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 28 OCT 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 37 SFC 988 132 -6.3 -13.3 58 7.0 -8.1 0 0 267.8 268.0 265.7 271.6 1.39 2 925 650 -4.9 -12.9 53 8.0 -7.1 200 23 274.3 274.6 270.3 278.6 1.53 3 922 676 -4.7 -12.7 54 8.0 -7.0 202 23 274.8 275.0 270.7 279.2 1.56 4 906 814 -1.9 -8.9 59 7.0 -4.3 210 23 279.0 279.4 274.0 285.1 2.15 5 850 1318 -5.7 -11.7 63 6.0 -7.5 240 25 280.2 280.5 274.3 285.5 1.83 6 700 2816 -14.3 -17.8 75 3.5 -15.2 240 19 286.6 286.9 277.0 290.7 1.35 7 641 3477 -18.3 -21.9 73 3.6 -19.0 237 22 289.4 289.6 277.9 292.6 1.03 8 585 4152 -23.5 -26.7 75 3.2 -24.0 235 25 291.0 291.2 278.3 293.3 0.74 9 528 4892 -28.9 -32.8 69 3.9 -29.3 232 29 293.2 293.3 278.9 294.7 0.46 10 500 5280 -30.7 -34.7 68 4.0 -31.1 230 31 295.6 295.7 280.0 296.9 0.40 11 476 5627 -32.7 -37.0 65 4.3 -33.1 223 31 297.3 297.4 280.7 298.5 0.34 12 400 6830 -40.9 -44.8 66 3.9 -41.1 200 31 301.8 301.9 282.4 302.5 0.18 13 396 6898 -41.7 -45.7 65 4.0 -41.9 201 32 301.7 301.7 282.3 302.2 0.16 14 371 7338 -42.9 -46.9 65 4.0 -43.1 204 35 305.7 305.8 283.9 306.3 0.15 15 300 8730 -55.5 -59.5 61 4.0 -55.6 215 48 307.1 307.1 284.3 307.3 0.04 16 281 9145 -59.5 -63.7 58 4.2 -59.6 220 49 307.2 307.2 284.3 307.3 0.03 17 255 9748 -64.1 -68.3 56 4.2 -64.1 228 52 309.0 309.0 284.9 309.1 0.02 18 250 9870 -64.1 -68.4 56 4.3 -64.1 230 52 310.8 310.8 285.6 310.8 0.02 19 234 10271 -66.3 -70.3 57 4.0 -66.3 230 54 313.4 313.4 286.5 313.4 0.01 20 233 10296 -66.3 -70.3 57 4.0 -66.3 230 53 313.8 313.8 286.6 313.8 0.01 21 219 10673 -62.9 -67.3 55 4.4 -63.0 230 43 324.6 324.6 290.2 324.7 0.02 22 213 10845 -58.7 -63.2 56 4.5 -58.7 230 39 333.7 333.7 292.7 333.9 0.04 23 200 11240 -57.3 -61.8 56 4.5 -57.4 230 29 342.0 342.0 294.8 342.2 0.05 24 194 11431 -58.1 -62.6 56 4.5 -58.2 231 28 343.7 343.7 295.3 343.9 0.04 25 188 11630 -55.3 -59.6 59 4.3 -55.4 232 26 351.4 351.4 297.0 351.6 0.07 26 150 13060 -56.7 -62.7 47 6.0 -56.9 240 15 372.4 372.4 301.0 372.6 0.06 27 100 15620 -59.1 -68.1 30 9.0 -59.3 260 19 413.5 413.5 307.0 413.7 0.04 28 70 17840 -61.1 -71.1 25 10.0 -61.4 265 15 453.7 453.7 311.2 453.9 0.04 29 52 19678 -63.5 -74.5 21 11.0 -63.8 269 19 488.3 488.3 314.1 488.5 0.03 30 50 19920 -62.7 -74.7 18 12.0 -63.0 270 19 495.7 495.7 314.7 495.9 0.03 31 38 21613 -62.3 -74.3 19 12.0 -62.8 537.2 537.2 317.3 537.5 0.04 TRP 234 10271 -66.3 -70.3 57 4.0 -66.3 230 54 313.4 313.4 286.5 313.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5243.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 68.14 % Est. max temperature: 6.54 C = 43.77 F Sfc-Lift cond lev (LCL): 883.76 mb = 1010.38 m = 3314.86 ft T: -3.38 C 700-500 lapse rate: 6.66 C/km Conv cond level (CCL): 676.84 mb = 3068.72 m = 10067.86 ft Mean mixing ratio: 1.65 g/kg Conv temperature: 13.57 C = 56.43 F Cap Strength: 12.92 C Lifted Index: 14.57 C Risk: None Lifted Index @300 mb: 20.48 C Lifted Index @700 mb: 9.65 C Showalter Index: 8.98 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 19.00 C K Index: 9.80 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 2.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.34 J/kg Max Up Vert Vel: 9.93 m/s Conv Inhibition (B-): 36366.29 J/kg Cap Strength: 14.30 C Lift Cond Lev (LCL): 834.71 mb = 1458.07 m = 4783.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 18 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 ---------------------------------------------------------- 0 988 132 0 0 -0.0 -0.0 | 80 18 -17.7 -3.0 1 925 650 200 23 7.9 21.6 | 152 21 -9.8 18.6 2 850 1318 240 25 21.7 12.5 | 203 10 4.0 9.5 3 700 2816 240 19 16.5 9.5 | 169 7 -1.2 6.5 4 500 5280 230 31 23.7 19.9 | 200 18 6.1 16.9 5 400 6830 200 31 10.6 29.1 | 165 27 -7.1 26.1 6 300 8730 215 48 27.5 39.3 | 195 38 9.8 36.3 7 250 9870 230 52 39.8 33.4 | 216 38 22.1 30.4 8 234 10271 230 54 41.4 34.7 | 217 40 23.7 31.7 9 200 11240 230 29 22.2 18.6 | 196 16 4.5 15.6 10 150 13060 240 15 13.0 7.5 | 134 6 -4.7 4.5 11 100 15620 260 19 18.7 3.3 | 255 1 1.0 0.3 12 70 17840 265 15 14.9 1.3 | 58 3 -2.7 -1.7 13 50 19920 270 19 19.0 -0.0 | 336 3 1.3 -3.0 Wind Parameters Mean winds (0-6000m): 230.3 at 23.9 knts Storm direction: 260.3 at 17.9 knts Shear (0-3000m) pos: 2.3 neg: 3.4 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 98.7 deg Storm rel helicity (0-3000m) pos: 61.5 neg: -42.5 tot: 19.0 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 2.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.56 Bulk Shear: 31.55 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 ------------------------------------------------------------------------------- 500 200 11 118 16| 0.0 22.8 22.8| 11.8 -32.8 -21.0 -42.0 0.09| 40.5 3.6 1000 210 17 143 15| 5.0 11.4 16.4| 47.4 -32.8 14.6 14.6 0.23| 26.0 6.0 1500 221 20 158 13| 4.7 7.6 12.3| 59.4 -34.8 24.6 16.4 0.26| 19.4 5.1 2000 227 20 166 11| 3.5 5.3 8.8| 59.4 -38.1 21.3 10.6 0.23| 15.1 3.4 2500 230 21 169 10| 2.8 3.9 6.7| 59.4 -41.4 18.0 7.2 0.19| 12.5 2.4 3000 231 20 170 10| 2.3 3.4 5.8| 61.5 -42.5 19.0 6.3 0.19| 10.8 2.1 4000 233 21 175 10| 1.8 3.2 4.9| 67.9 -42.5 25.4 6.4 0.22| 8.7 1.9 5000 232 22 181 11| 1.4 3.1 4.5| 72.4 -42.5 29.9 6.0 0.22| 7.5 1.6 6000 230 24 183 12| 1.2 3.0 4.1| 72.7 -82.5 -9.8 -1.6 0.10| 7.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251028.12.gif