UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 25 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 27 SFC 984 167 23.2 7.2 36 16.0 13.9 160 3 297.7 298.9 287.7 316.8 6.48 2 954 432 18.6 5.6 42 13.0 11.3 233 4 295.7 296.8 286.5 313.2 5.98 3 850 1396 7.0 -2.0 53 9.0 2.8 310 25 293.5 294.2 283.4 304.9 3.88 4 700 2966 -2.7 -11.7 50 9.0 -6.0 355 19 299.5 299.9 284.0 306.4 2.23 5 656 3477 -4.9 -18.9 32 14.0 -9.1 350 18 302.6 302.9 284.1 306.8 1.31 6 510 5403 -18.3 -31.3 31 13.0 -20.6 331 13 309.0 309.1 285.6 310.9 0.55 7 500 5550 -19.9 -33.9 28 14.0 -22.1 330 13 308.8 308.9 285.4 310.3 0.43 8 400 7160 -33.5 -49.5 19 16.0 -34.6 345 13 311.4 311.5 286.0 311.8 0.10 9 315 8788 -47.3 -58.3 27 11.0 -47.6 324 15 314.3 314.3 286.9 314.4 0.05 10 300 9110 -48.9 -59.9 27 11.0 -49.2 320 15 316.4 316.4 287.6 316.6 0.04 11 282 9514 -52.3 -64.3 22 12.0 -52.5 306 17 317.2 317.2 287.9 317.3 0.02 12 252 10239 -55.1 -67.1 21 12.0 -55.3 280 21 323.4 323.4 289.8 323.5 0.02 13 250 10290 -54.7 -67.7 19 13.0 -54.9 280 21 324.7 324.7 290.2 324.8 0.02 14 239 10577 -55.1 -68.1 18 13.0 -55.3 275 23 328.3 328.4 291.3 328.4 0.02 15 200 11720 -51.9 -65.9 17 14.0 -52.2 255 33 350.6 350.6 296.8 350.7 0.03 16 195 11884 -50.9 -65.9 15 15.0 -51.3 254 33 354.7 354.7 297.7 354.8 0.03 17 169 12808 -53.7 -69.7 12 16.0 -54.0 246 35 364.9 364.9 299.7 365.0 0.02 18 150 13580 -50.1 -69.1 9 19.0 -50.7 240 36 383.7 383.7 302.9 383.9 0.02 19 100 16190 -55.9 -76.9 6 21.0 -56.3 250 36 419.7 419.7 307.7 419.8 0.01 20 84 17298 -56.9 -78.9 5 22.0 -57.4 250 30 439.1 439.2 309.8 439.2 0.01 21 70 18450 -58.1 -80.1 4 22.0 -58.6 250 23 460.1 460.1 311.8 460.1 0.01 22 57 19738 -60.5 -82.5 4 22.0 -61.0 262 14 482.5 482.5 313.7 482.5 0.01 23 52 20314 -57.7 -79.7 4 22.0 -58.4 268 11 501.8 501.8 315.1 501.9 0.01 24 50 20560 -60.5 -82.5 4 22.0 -61.0 270 9 500.9 500.9 315.0 501.0 0.01 25 49 20686 -60.5 -81.5 5 21.0 -61.0 269 9 503.8 503.8 315.2 503.9 0.01 26 39 22113 -58.9 -80.9 4 22.0 -59.7 260 10 541.8 541.9 317.6 541.9 0.01 27 37 22446 -55.9 -77.9 5 22.0 -57.1 258 10 557.8 557.8 318.5 557.9 0.03 28 30 23770 -59.3 -81.3 4 22.0 -60.3 250 11 583.0 583.0 319.8 583.1 0.02 29 21 26020 -55.3 -77.3 5 22.0 -57.3 254 16 657.7 657.7 323.0 658.1 0.05 30 20 26330 -55.9 -77.9 5 22.0 -57.8 255 17 665.1 665.1 323.3 665.4 0.05 31 15 28163 -55.3 -77.3 5 22.0 -57.9 724.1 724.1 325.2 724.7 0.07 32 14 28607 -51.5 -74.5 5 23.0 -55.3 751.4 751.5 326.0 752.4 0.11 33 12 29606 -52.5 -75.5 5 23.0 -56.3 781.7 781.8 326.8 782.8 0.11 34 10 30808 -43.5 -68.5 5 25.0 -51.5 857.2 857.4 328.7 861.2 0.38 TRP 252 10239 -55.1 -67.1 21 12.0 -55.3 280 21 323.4 323.4 289.8 323.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5523.00 m Freezing level: 741.75 mb = 2528.99 m = 8297.11 ft Wetbulb zero: 801.66 mb = 1869.44 m = 6133.25 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 41.21 % Est. max temperature: 19.57 C = 67.23 F Sfc-Lift cond lev (LCL): 776.50 mb = 2127.33 m = 6979.35 ft T: 2.48 C 700-500 lapse rate: 6.66 C/km ThetaE index: 11.88 C Layer 954.0- 700.0 mb Conv cond level (CCL): 757.13 mb = 2331.61 m = 7649.54 ft Mean mixing ratio: 5.53 g/kg Conv temperature: 22.58 C = 72.64 F Cap Strength: 1.84 C Lifted Index: 1.35 C Risk: Showers probable Lifted Index @300 mb: 3.64 C Lifted Index @700 mb: 0.62 C Showalter Index: 5.69 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 17.90 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 63.00 Risk: None Energy Index: 1.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.74 J/kg Max Up Vert Vel: 9.25 m/s Conv Inhibition (B-): 52907.27 J/kg Cap Strength: 2.22 C Lift Cond Lev (LCL): 774.66 mb = 2146.46 m = 7042.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 at 12 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 ---------------------------------------------------------- 0 984 167 160 3 -1.0 2.8 | 179 15 -0.2 14.9 1 925 696 305 5 4.1 -2.9 | 208 10 5.0 9.2 2 850 1396 310 25 19.2 -16.1 | 281 20 20.0 -4.0 3 700 2966 355 19 1.7 -18.9 | 340 7 2.5 -6.9 4 500 5550 330 13 6.5 -11.3 | 264 7 7.4 0.8 5 400 7160 345 13 3.4 -12.6 | 277 4 4.2 -0.5 6 300 9110 320 15 9.6 -11.5 | 267 11 10.5 0.6 7 252 10239 280 21 20.7 -3.6 | 249 23 21.6 8.4 8 250 10290 280 21 20.7 -3.6 | 249 23 21.6 8.4 9 200 11720 255 33 31.9 8.5 | 238 39 32.8 20.6 10 150 13580 240 36 31.2 18.0 | 227 44 32.1 30.1 11 100 16190 250 36 33.8 12.3 | 235 42 34.7 24.4 12 70 18450 250 23 21.6 7.9 | 228 30 22.5 19.9 13 50 20560 270 9 9.0 -0.0 | 219 16 9.9 12.1 14 30 23770 250 11 10.3 3.8 | 215 19 11.2 15.8 15 20 26330 255 17 16.4 4.4 | 226 24 17.3 16.5 Wind Parameters Mean winds (0-6000m): 334.1 at 16.1 knts Storm direction: 4.1 at 12.1 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 154.4 deg Storm rel helicity (0-3000m) pos: 131.4 neg: -1.4 tot: 129.9 m^2/s^2 ave: 43.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 6.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.40 Bulk Shear: 30.59 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 ------------------------------------------------------------------------------- 500 265 4 201 13| 7.6 0.0 7.6| 28.0 0.0 28.0 56.0 0.76| 9.8 7.5 1000 303 8 223 11| 10.8 0.0 10.8| 66.0 0.0 66.0 66.0 0.84| 12.0 10.0 1500 309 13 250 12| 9.2 0.0 9.2| 97.5 0.0 97.5 65.0 0.80| 11.2 8.9 2000 315 15 264 12| 6.4 0.0 6.4|114.5 0.0 114.5 57.3 0.78| 10.0 7.8 2500 321 17 274 11| 4.8 0.0 4.8|126.1 0.0 126.1 50.5 0.77| 9.1 7.0 3000 326 17 281 11| 3.7 0.0 3.7|131.4 -1.4 129.9 43.3 0.74| 8.3 6.1 4000 332 17 289 9| 2.8 0.5 3.2|131.4 -7.9 123.4 30.9 0.61| 6.7 4.1 5000 334 17 290 9| 2.2 0.7 2.9|131.4 -13.9 117.4 23.5 0.51| 5.7 2.9 6000 334 16 287 8| 1.9 0.7 2.6|132.2 -16.2 116.1 19.3 0.48| 5.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250425.12.gif