UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 18 APR 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 23 170 23 SFC 993 80 3.0 -4.0 60 7.0 0.3 170 23 276.7 277.2 273.8 284.6 2.86 2 925 656 1.8 -8.2 47 10.0 -1.8 200 44 281.1 281.5 275.3 287.5 2.22 3 859 1247 -0.7 -11.7 43 11.0 -4.3 226 33 284.6 284.9 276.6 289.9 1.81 4 850 1331 0.0 -10.0 47 10.0 -3.5 230 31 286.1 286.5 277.8 292.3 2.10 5 822 1597 -4.3 -12.3 54 8.0 -6.8 233 30 284.4 284.7 276.5 289.7 1.81 6 818 1636 -4.9 -11.9 58 7.0 -7.1 233 29 284.1 284.4 276.5 289.6 1.88 7 784 1969 -6.3 -7.6 90 1.3 -6.8 236 28 286.1 286.6 278.6 294.0 2.75 8 700 2846 -12.1 -12.6 96 0.5 -12.2 245 23 289.1 289.4 279.2 295.2 2.07 9 568 4415 -21.5 -22.6 91 1.1 -21.7 261 32 295.8 296.0 281.0 299.3 1.10 10 500 5340 -29.3 -34.3 62 5.0 -29.9 270 38 297.3 297.4 280.8 298.7 0.42 11 475 5704 -32.5 -38.5 55 6.0 -33.0 271 39 297.7 297.8 280.8 298.7 0.29 12 400 6890 -42.7 -47.7 58 5.0 -42.9 275 44 299.5 299.5 281.3 299.9 0.13 13 368 7447 -47.9 -52.9 56 5.0 -48.0 274 49 299.8 299.8 281.4 300.1 0.08 14 300 8770 -56.5 -62.5 47 6.0 -56.6 270 60 305.7 305.7 283.7 305.8 0.03 15 278 9252 -59.3 -64.3 52 5.0 -59.3 260 71 308.4 308.4 284.8 308.5 0.02 16 277 9275 -59.3 -64.3 52 5.0 -59.3 260 71 308.7 308.7 284.9 308.8 0.02 17 261 9648 -59.5 -64.5 52 5.0 -59.5 270 77 313.8 313.8 286.7 313.9 0.03 18 259 9697 -59.5 -64.5 52 5.0 -59.6 271 75 314.4 314.4 286.9 314.5 0.03 19 250 9920 -57.1 -62.1 53 5.0 -57.2 275 64 321.2 321.2 289.2 321.3 0.04 20 244 10074 -55.1 -60.1 54 5.0 -55.2 273 61 326.4 326.4 290.7 326.6 0.05 21 223 10649 -53.7 -59.7 48 6.0 -53.8 267 52 337.1 337.1 293.6 337.3 0.05 22 200 11350 -51.7 -57.7 49 6.0 -51.9 260 40 350.9 350.9 296.9 351.2 0.08 23 190 11682 -50.9 -57.9 43 7.0 -51.2 259 38 357.4 357.4 298.2 357.7 0.08 24 182 11962 -50.5 -57.5 43 7.0 -50.8 258 37 362.4 362.5 299.2 362.8 0.09 25 177 12143 -50.5 -58.5 38 8.0 -50.8 258 36 365.3 365.4 299.8 365.7 0.08 26 150 13220 -50.5 -59.5 34 9.0 -50.9 255 31 383.1 383.1 302.8 383.4 0.08 27 138 13763 -51.3 -61.3 29 10.0 -51.7 390.9 390.9 304.0 391.2 0.07 28 128 14251 -51.9 -61.9 29 10.0 -52.3 398.3 398.3 305.0 398.7 0.07 29 122 14562 -52.7 -62.7 29 10.0 -53.1 402.4 402.4 305.6 402.7 0.07 TRP 277 9275 -59.3 -64.3 52 5.0 -59.3 260 71 308.7 308.7 284.9 308.8 0.02 WND 261 9648 -59.5 -64.5 52 5.0 -59.5 270 77 313.8 313.8 286.7 313.9 0.03 Sounding variables and indices 1000-500 mb thick: 5317.00 m Freezing level: 877.48 mb = 1081.63 m = 3548.61 ft Freezing level: 850.00 mb = 1331.00 m = 4366.74 ft Freezing level: 850.00 mb = 1331.00 m = 4366.74 ft Wetbulb zero: 982.78 mb = 164.17 m = 538.61 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 76.61 % Est. max temperature: 11.99 C = 53.57 F Sfc-Lift cond lev (LCL): 890.71 mb = 957.70 m = 3142.01 ft T: 0.52 C 700-500 lapse rate: 6.90 C/km ThetaE index: 2.71 C Layer 822.0- 784.0 mb Conv cond level (CCL): 724.28 mb = 2582.05 m = 8471.19 ft Mean mixing ratio: 2.40 g/kg Conv temperature: 14.47 C = 58.04 F Cap Strength: 9.12 C Lifted Index: 9.41 C Risk: None Lifted Index @300 mb: 13.44 C Lifted Index @700 mb: 5.69 C Showalter Index: 5.19 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 19.30 C K Index: 18.80 Risk: < 20 % chance of thunderstorms Sweat Index: 205.35 Risk: None Energy Index: 1.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.80 J/kg Max Up Vert Vel: 6.45 m/s Conv Inhibition (B-): 12281.91 J/kg Cap Strength: 9.37 C Lift Cond Lev (LCL): 818.35 mb = 1632.25 m = 5355.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 24 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 ---------------------------------------------------------- 0 993 80 170 23 -4.0 22.7 | 132 37 -27.7 24.9 1 925 656 200 44 15.0 41.3 | 169 44 -8.7 43.6 2 850 1331 230 31 23.7 19.9 | 180 22 0.0 22.1 3 700 2846 245 23 20.8 9.7 | 166 12 -2.9 11.9 4 500 5340 270 38 38.0 -0.0 | 261 14 14.3 2.2 5 400 6890 275 44 43.8 -3.8 | 275 20 20.1 -1.6 6 300 8770 270 60 60.0 -0.0 | 267 36 36.3 2.2 7 277 9275 260 71 69.9 12.3 | 253 48 46.2 14.5 8 261 9648 270 77 77.0 -0.0 | 268 53 53.3 2.2 9 250 9920 275 64 63.8 -5.6 | 275 40 40.0 -3.4 10 200 11350 260 40 39.4 6.9 | 240 18 15.6 9.2 11 150 13220 255 31 29.9 8.0 | 211 12 6.2 10.2 Wind Parameters Mean winds (0-6000m): 245.3 at 31.8 knts Storm direction: 275.3 at 23.8 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 42.1 deg Storm rel helicity (0-3000m) pos: 358.5 neg: -14.0 tot: 344.5 m^2/s^2 ave: 114.8 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 5.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.17 Bulk Shear: 124.10 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 ------------------------------------------------------------------------------- 500 188 32 150 39| 23.6 0.0 23.6|242.4 0.0 242.4 484.8 0.96| 24.1 23.2 1000 199 36 162 39| 13.9 0.0 13.9|346.3 0.0 346.3 346.3 0.76| 21.8 16.6 1500 207 35 166 34| 9.6 0.0 9.6|354.2 -1.0 353.2 235.4 0.63| 17.9 11.4 2000 213 33 169 31| 7.2 0.0 7.2|354.2 -5.2 349.0 174.5 0.58| 14.4 8.3 2500 217 32 171 28| 5.8 0.0 5.8|354.2 -11.1 343.1 137.2 0.52| 12.2 6.3 3000 221 30 171 25| 5.1 0.0 5.1|358.5 -14.0 344.5 114.8 0.50| 10.7 5.4 4000 229 30 176 22| 4.8 0.0 4.8|380.4 -14.0 366.4 91.6 0.55| 9.0 5.0 5000 238 30 186 19| 4.7 0.0 4.7|404.8 -14.0 390.8 78.2 0.60| 8.1 4.8 6000 245 32 198 16| 4.4 0.0 4.4|420.1 -14.0 406.1 67.7 0.60| 7.2 4.4 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20250418.12.gif