UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 26 APR 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 18 SFC 983 165 18.8 11.8 64 7.0 14.5 310 19 293.4 295.0 288.3 318.8 8.87 2 930 638 16.0 5.0 48 11.0 10.0 274 17 295.2 296.3 286.2 312.4 5.88 3 925 684 15.6 5.6 51 10.0 10.0 270 17 295.3 296.4 286.5 313.2 6.17 4 850 1393 9.4 1.4 57 8.0 5.4 230 23 296.0 296.9 285.5 310.7 4.98 5 750 2414 -0.3 -3.7 78 3.4 -1.8 217 20 296.2 296.9 284.5 307.8 3.88 6 736 2565 -0.7 -3.4 82 2.7 -1.9 215 20 297.4 298.1 285.1 309.5 4.04 7 700 2965 -3.1 -6.2 79 3.1 -4.4 210 19 299.1 299.7 285.1 309.4 3.43 8 582 4399 -11.9 -14.2 83 2.3 -12.6 232 20 305.0 305.4 286.0 311.9 2.19 9 500 5540 -20.5 -24.2 72 3.7 -21.3 250 21 308.0 308.2 285.9 311.6 1.08 10 466 6057 -24.1 -28.1 69 4.0 -24.8 248 21 309.8 310.0 286.2 312.6 0.81 11 400 7150 -33.3 -38.3 61 5.0 -33.8 245 21 311.7 311.8 286.4 313.0 0.35 12 353 8015 -40.3 -45.3 59 5.0 -40.6 243 24 313.6 313.7 286.8 314.3 0.19 13 300 9100 -50.3 -55.3 55 5.0 -50.4 240 27 314.5 314.5 287.0 314.7 0.07 14 295 9210 -51.9 -57.9 48 6.0 -52.0 239 28 313.7 313.7 286.7 313.9 0.05 15 250 10270 -58.1 -64.1 46 6.0 -58.2 225 36 319.7 319.7 288.7 319.8 0.03 16 245 10397 -59.7 -65.7 45 6.0 -59.7 225 36 319.1 319.2 288.5 319.2 0.02 17 200 11670 -57.7 -64.7 40 7.0 -57.8 240 35 341.4 341.4 294.7 341.5 0.03 18 153 13391 -50.5 -59.5 34 9.0 -50.9 235 38 380.9 380.9 302.5 381.3 0.08 19 150 13520 -50.9 -59.9 34 9.0 -51.3 235 38 382.4 382.4 302.7 382.7 0.08 20 100 16150 -53.7 -66.7 19 13.0 -54.2 230 36 424.0 424.0 308.2 424.2 0.05 21 90 16823 -55.7 -68.7 18 13.0 -56.2 233 33 433.0 433.0 309.1 433.2 0.04 22 70 18420 -55.7 -69.7 16 14.0 -56.3 240 25 465.2 465.2 312.3 465.5 0.05 23 65 18890 -58.7 -72.7 15 14.0 -59.2 242 22 468.6 468.6 312.5 468.8 0.03 24 62 19189 -56.3 -71.3 14 15.0 -56.9 244 21 480.3 480.3 313.5 480.6 0.04 25 57 19721 -58.1 -73.1 13 15.0 -58.7 246 18 487.9 487.9 314.1 488.1 0.03 26 50 20550 -57.1 -72.1 13 15.0 -57.8 250 13 508.9 508.9 315.6 509.2 0.05 27 48 20809 -55.7 -70.7 14 15.0 -56.5 252 12 518.2 518.3 316.2 518.6 0.06 28 43 21505 -58.3 -73.3 13 15.0 -59.0 256 11 528.4 528.4 316.8 528.7 0.04 29 41 21805 -56.7 -72.7 12 16.0 -57.6 258 10 539.6 539.7 317.5 540.0 0.05 30 30 23780 -57.7 -73.7 11 16.0 -58.7 270 5 587.3 587.4 320.0 587.8 0.06 31 29 23993 -57.9 -73.9 11 16.0 -59.0 267 5 592.5 592.5 320.3 592.9 0.06 32 24 25194 -53.9 -69.9 12 16.0 -55.8 248 7 637.1 637.1 322.2 638.1 0.13 33 20 26360 -54.5 -70.5 12 16.0 -56.5 230 9 669.4 669.4 323.4 670.5 0.14 34 16 27798 -51.7 -69.7 10 18.0 -54.9 722.6 722.7 325.2 724.4 0.20 TRP 245 10397 -59.7 -65.7 45 6.0 -59.7 225 36 319.1 319.2 288.5 319.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5522.00 m Freezing level: 753.09 mb = 2382.82 m = 7817.55 ft Wetbulb zero: 775.13 mb = 2145.42 m = 7038.69 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 72.04 % Est. max temperature: 21.46 C = 70.63 F Sfc-Lift cond lev (LCL): 885.86 mb = 1046.54 m = 3433.50 ft T: 12.43 C 700-500 lapse rate: 6.76 C/km ThetaE index: 6.40 C Layer 930.0- 925.0 mb Conv cond level (CCL): 798.14 mb = 1906.68 m = 6255.45 ft Mean mixing ratio: 6.64 g/kg Conv temperature: 21.57 C = 70.82 F Cap Strength: 1.20 C Lifted Index: -0.72 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.54 C Lifted Index @700 mb: -0.95 C Showalter Index: 1.39 C Risk: Showers probable Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 21.90 C K Index: 28.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 207.55 Risk: None Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 133.01 J/kg Max Up Vert Vel: 16.31 m/s Conv Inhibition (B-): 39.34 J/kg Cap Strength: 1.20 C Lift Cond Lev (LCL): 813.44 mb = 1751.76 m = 5747.18 ft Lev Free Conv (LFC): 778.44 mb = 2110.67 m = 6924.67 ft Equ Level (EL): 378.44 mb = 7533.33 m = 24715.34 ft B at Equ Level: 132.88 J/kg Max Parcel Lev (MPL): 248.44 mb = 10309.20 m = 33822.43 ft Wind level data Storm motion: 266 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 ---------------------------------------------------------- 0 983 165 310 19 14.6 -12.2 | 2 13 -0.6 -13.3 1 925 684 270 17 17.0 -0.0 | 301 2 1.9 -1.1 2 850 1393 230 23 17.6 14.8 | 190 14 2.5 13.7 3 700 2965 210 19 9.5 16.5 | 160 16 -5.6 15.3 4 500 5540 250 21 19.7 7.2 | 217 8 4.6 6.1 5 400 7150 245 21 19.0 8.9 | 207 9 3.9 7.8 6 300 9100 240 27 23.4 13.5 | 214 15 8.3 12.4 7 250 10270 225 36 25.5 25.5 | 203 26 10.3 24.3 8 245 10397 225 36 25.5 25.5 | 203 26 10.3 24.3 9 200 11670 240 35 30.3 17.5 | 223 22 15.2 16.4 10 150 13520 235 38 31.1 21.8 | 218 26 16.0 20.7 11 100 16150 230 36 27.6 23.1 | 210 25 12.5 22.0 12 70 18420 240 25 21.7 12.5 | 210 13 6.5 11.4 13 50 20550 250 13 12.2 4.4 | 139 4 -2.9 3.3 14 30 23780 270 5 5.0 -0.0 | 84 10 -10.1 -1.1 15 20 26360 230 9 6.9 5.8 | 120 9 -8.2 4.7 Wind Parameters Mean winds (0-6000m): 235.7 at 20.2 knts Storm direction: 265.7 at 15.2 knts Shear (0-3000m) pos: 0.0 neg: 4.9 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 160.3 deg Storm rel helicity (0-3000m) pos: 3.3 neg: -58.8 tot: -55.5 m^2/s^2 ave: -18.5 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.07 Bulk Shear: 43.39 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 ------------------------------------------------------------------------------- 500 292 18 348 8| 0.0 12.4 12.4| 0.0 -11.4 -11.4 -22.9 -0.47| 12.7 -6.0 1000 273 18 301 4| 0.0 11.4 11.4| 0.0 -19.3 -19.3 -19.3 -0.56| 11.7 -6.5 1500 256 20 229 5| 0.0 9.5 9.5| 0.0 -32.6 -32.6 -21.7 -0.57| 10.1 -5.7 2000 247 20 207 8| 0.0 7.3 7.3| 0.0 -42.7 -42.7 -21.3 -0.60| 8.3 -5.0 2500 240 20 196 9| 0.0 5.9 5.9| 0.0 -52.8 -52.8 -21.1 -0.63| 7.2 -4.5 3000 235 20 188 10| 0.0 4.9 4.9| 3.3 -58.8 -55.5 -18.5 -0.60| 6.4 -3.9 4000 232 20 183 11| 0.7 3.7 4.4| 17.9 -58.8 -40.9 -10.2 -0.43| 5.5 -2.4 5000 233 20 184 11| 1.1 2.9 4.0| 29.8 -58.8 -29.0 -5.8 -0.29| 5.0 -1.4 6000 236 20 189 10| 1.1 2.5 3.6| 33.8 -60.0 -26.2 -4.4 -0.25| 4.4 -1.1 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250426.12.gif