UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for X4858... Searching the city database file for: X4858 ... Date:0000Z 23 APR 25 Station: X4858 WMO ident: 34858 Latitude: 45.92 Longitude: 43.35 ------------------------------------------------------------------------------- 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 1005 85 14.4 6.4 59 8.0 10.1 300 1 287.1 288.2 283.0 304.1 6.00 1 1000 127 16.8 7.8 55 9.0 11.7 325 3 290.0 291.1 284.9 308.9 6.64 2 979 308 17.6 5.6 45 12.0 11.0 311 4 292.5 293.6 285.1 309.3 5.83 3 925 789 14.8 0.8 38 14.0 7.8 275 5 294.4 295.2 284.3 307.3 4.38 4 918 853 14.4 0.4 38 14.0 7.4 271 5 294.7 295.4 284.3 307.3 4.29 5 850 1498 9.0 1.0 57 8.0 5.0 235 5 295.6 296.4 285.2 309.8 4.84 6 823 1764 6.6 0.6 65 6.0 3.7 232 7 295.8 296.7 285.4 310.1 4.86 7 700 3066 -3.9 -7.0 79 3.1 -5.1 215 15 298.2 298.8 284.5 307.9 3.23 8 688 3202 -5.3 -8.3 79 3.0 -6.4 216 16 298.1 298.6 284.2 307.1 2.97 9 592 4364 -12.5 -14.6 84 2.1 -13.2 227 20 302.8 303.2 285.1 309.4 2.08 10 501 5615 -21.7 -27.7 58 6.0 -22.8 240 25 306.4 306.6 284.9 309.0 0.78 11 500 5630 -21.7 -27.7 58 6.0 -22.8 240 25 306.6 306.7 285.0 309.2 0.78 12 489 5794 -22.3 -28.3 58 6.0 -23.4 241 25 307.8 307.9 285.4 310.4 0.76 13 475 6006 -22.9 -28.9 58 6.0 -23.9 242 25 309.6 309.8 286.1 312.1 0.74 14 400 7240 -32.9 -38.9 55 6.0 -33.5 250 27 312.2 312.3 286.5 313.4 0.33 15 352 8126 -40.7 -47.7 47 7.0 -41.1 248 33 313.3 313.4 286.7 313.9 0.15 16 300 9200 -47.5 -54.5 44 7.0 -47.7 245 40 318.4 318.4 288.3 318.7 0.08 17 267 9964 -52.5 -59.5 43 7.0 -52.7 250 38 321.9 321.9 289.4 322.1 0.05 18 250 10390 -52.7 -59.7 42 7.0 -52.9 250 35 327.7 327.7 291.1 327.9 0.05 19 216 11330 -53.9 -60.9 42 7.0 -54.1 260 25 339.8 339.9 294.3 340.1 0.05 20 205 11669 -49.7 -57.7 39 8.0 -50.0 263 21 351.6 351.6 297.0 351.9 0.08 21 200 11830 -50.3 -57.3 43 7.0 -50.5 265 19 353.1 353.1 297.4 353.5 0.08 22 163 13168 -49.3 -57.3 39 8.0 -49.7 254 16 376.1 376.1 301.7 376.5 0.10 23 150 13710 -51.3 -59.3 38 8.0 -51.7 250 15 381.7 381.7 302.6 382.1 0.09 24 100 16300 -57.1 -65.1 36 8.0 -57.4 255 13 417.4 417.4 307.4 417.7 0.06 25 70 18540 -59.5 -67.5 35 8.0 -59.8 265 17 457.1 457.1 311.5 457.4 0.06 26 50 20640 -59.1 -67.1 35 8.0 -59.5 285 13 504.2 504.2 315.3 504.8 0.09 27 38 22358 -60.1 -68.1 34 8.0 -60.6 290 13 542.8 542.9 317.7 543.5 0.11 28 30 23840 -58.3 -67.3 31 9.0 -59.1 295 13 585.7 585.8 320.0 586.8 0.15 29 20 26410 -55.1 -64.1 32 9.0 -56.6 330 9 667.5 667.7 323.4 670.4 0.35 30 15 28259 -52.3 -61.3 33 9.0 -54.6 734.1 734.4 325.7 740.1 0.67 TRP 267 9964 -52.5 -59.5 43 7.0 -52.7 250 38 321.9 321.9 289.4 322.1 0.05 WND Sounding variables and indices 1000-500 mb thick: 5503.00 m Freezing level: 745.69 mb = 2582.32 m = 8472.08 ft Wetbulb zero: 771.88 mb = 2279.63 m = 7479.00 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 67.39 % Est. max temperature: 22.78 C = 73.01 F Sfc-Lift cond lev (LCL): 890.97 mb = 1103.68 m = 3620.95 ft T: 12.30 C 700-500 lapse rate: 6.94 C/km ThetaE index: 2.99 C Layer 700.0- 592.0 mb Conv cond level (CCL): 746.25 mb = 2551.36 m = 8370.51 ft Mean mixing ratio: 5.23 g/kg Conv temperature: 24.55 C = 76.19 F Cap Strength: 3.11 C Lifted Index: 1.72 C Risk: Showers probable Lifted Index @300 mb: 7.41 C Lifted Index @700 mb: 1.12 C Showalter Index: 0.72 C Risk: Thunderstorms probable Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.70 C Cross Totals Index: 22.70 C K Index: 28.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 135.00 Risk: None Energy Index: -0.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.46 J/kg Max Up Vert Vel: 5.91 m/s Conv Inhibition (B-): 43419.15 J/kg Cap Strength: 3.11 C Lift Cond Lev (LCL): 793.03 mb = 2062.23 m = 6765.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 11 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 1005 85 300 1 0.9 -0.5 | 79 10 -9.8 -1.9 1 1000 127 325 3 1.7 -2.5 | 67 10 -9.0 -3.9 2 925 789 275 5 5.0 -0.4 | 72 6 -5.7 -1.8 3 850 1498 235 5 4.1 2.9 | 103 7 -6.6 1.5 4 700 3066 215 15 8.6 12.3 | 169 11 -2.1 10.9 5 500 5630 240 25 21.7 12.5 | 225 16 10.9 11.1 6 400 7240 250 27 25.4 9.2 | 242 17 14.7 7.8 7 300 9200 245 40 36.3 16.9 | 239 30 25.5 15.5 8 267 9964 250 38 35.7 13.0 | 245 28 25.0 11.6 9 250 10390 250 35 32.9 12.0 | 245 25 22.2 10.6 10 200 11830 265 19 18.9 1.7 | 268 8 8.2 0.3 11 150 13710 250 15 14.1 5.1 | 222 5 3.4 3.7 12 100 16300 255 13 12.6 3.4 | 223 3 1.9 2.0 13 70 18540 265 17 16.9 1.5 | 269 6 6.2 0.1 14 50 20640 285 13 12.6 -3.4 | 339 5 1.9 -4.8 15 30 23840 295 13 11.8 -5.5 | 351 7 1.1 -6.9 16 20 26410 330 9 4.5 -7.8 | 34 11 -6.2 -9.2 Wind Parameters Mean winds (0-6000m): 232.6 at 14.4 knts Storm direction: 262.6 at 10.8 knts Shear (0-3000m) pos: 0.0 neg: 2.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 90.4 deg Storm rel helicity (0-3000m) pos: 21.9 neg: -6.2 tot: 15.7 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.70 Bulk Shear: 25.02 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 ------------------------------------------------------------------------------- 500 305 4 66 9| 0.0 3.5 3.5| 0.3 -6.2 -5.8 -11.6 -0.49| 4.7 -2.3 1000 284 4 70 7| 0.0 2.2 2.2| 3.8 -6.2 -2.4 -2.4 -0.02| 3.8 -0.1 1500 269 4 78 6| 0.0 1.8 1.8| 7.5 -6.2 1.3 0.9 0.21| 3.4 0.7 2000 254 5 90 6| 0.0 2.2 2.2| 12.7 -6.2 6.5 3.3 0.40| 3.4 1.4 2500 242 6 106 5| 0.0 2.4 2.4| 17.7 -6.2 11.6 4.6 0.48| 3.4 1.7 3000 232 7 124 6| 0.0 2.6 2.6| 21.9 -6.2 15.7 5.2 0.48| 3.5 1.7 4000 227 10 146 6| 0.6 1.9 2.6| 36.4 -6.2 30.2 7.6 0.58| 3.2 1.9 5000 229 12 167 7| 1.0 1.5 2.6| 53.6 -6.2 47.5 9.5 0.64| 3.1 2.0 6000 233 14 186 7| 1.2 1.3 2.5| 70.1 -6.2 64.0 10.7 0.68| 3.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//X4858/skewt/X4858.skewt.20250423.00.gif