UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050212.upa.cvt Date: 1200Z 2 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 2 MAY 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 164 SFC 990 248 12.4 -5.6 28 18.0 4.9 290 5 286.4 286.8 278.5 293.8 2.54 2 954 556 7.6 -10.4 27 18.0 1.1 293 9 284.6 284.9 276.6 289.9 1.81 3 925 809 5.4 -10.6 30 16.0 -0.3 295 13 284.8 285.1 276.7 290.2 1.84 4 850 1491 -1.7 -13.7 39 12.0 -5.4 305 11 284.4 284.6 276.1 289.0 1.56 5 814 1833 -5.1 -14.1 49 9.0 -7.8 307 11 284.3 284.6 276.1 289.0 1.58 6 801 1960 -3.5 -19.5 28 16.0 -7.7 308 12 287.3 287.5 276.9 290.4 1.02 7 793 2039 -3.9 -25.9 16 22.0 -8.8 309 12 287.7 287.8 276.4 289.6 0.58 8 731 2678 -5.7 -39.7 5 34.0 -11.2 313 13 292.5 292.6 278.2 293.1 0.17 9 700 3016 -8.3 -37.3 8 29.0 -13.0 315 13 293.3 293.3 278.6 294.0 0.22 10 654 3538 -12.3 -38.3 9 26.0 -16.1 321 17 294.5 294.6 279.2 295.3 0.21 11 500 5540 -23.3 -42.3 16 19.0 -25.4 345 33 304.6 304.7 283.5 305.3 0.18 12 466 6054 -26.1 -44.1 17 18.0 -27.8 347 35 307.3 307.4 284.5 307.9 0.16 13 400 7140 -35.5 -50.5 20 15.0 -36.4 350 40 308.9 308.9 285.0 309.2 0.09 14 300 9080 -50.3 -63.3 20 13.0 -50.5 355 48 314.5 314.5 286.9 314.6 0.03 15 268 9807 -56.5 -68.5 21 12.0 -56.6 345 52 315.7 315.7 287.3 315.8 0.01 16 250 10250 -55.9 -67.9 21 12.0 -56.1 355 52 323.0 323.0 289.7 323.0 0.02 17 200 11680 -52.3 -66.3 17 14.0 -52.6 330 25 349.9 350.0 296.7 350.1 0.03 18 183 12258 -51.3 -67.3 13 16.0 -51.7 321 21 360.6 360.6 298.8 360.7 0.02 19 150 13550 -52.3 -72.3 7 20.0 -52.8 300 13 380.0 380.0 302.2 380.0 0.01 20 100 16160 -53.1 -76.1 4 23.0 -53.8 275 17 425.1 425.1 308.3 425.2 0.01 21 79 17671 -56.1 -78.1 5 22.0 -56.7 268 18 448.6 448.6 310.7 448.6 0.01 22 72 18268 -51.9 -74.9 5 23.0 -52.9 266 19 469.6 469.6 312.6 469.7 0.02 23 70 18450 -53.3 -76.3 4 23.0 -54.2 265 19 470.4 470.4 312.7 470.5 0.02 24 51 20483 -55.1 -78.1 4 23.0 -56.1 237 11 510.7 510.7 315.7 510.8 0.02 25 50 20610 -54.9 -77.9 4 23.0 -55.9 235 11 514.1 514.1 315.9 514.2 0.02 26 41 21887 -50.9 -73.9 5 23.0 -52.7 219 9 554.1 554.1 318.3 554.4 0.04 27 30 23910 -52.1 -75.1 5 23.0 -54.1 195 7 602.6 602.6 320.7 603.0 0.05 28 20 26540 -52.3 -75.3 5 23.0 -55.1 215 9 676.1 676.1 323.7 676.7 0.07 29 12 29897 -45.3 -69.3 5 24.0 -51.8 807.2 807.4 327.5 810.1 0.28 TRP 268 9807 -56.5 -68.5 21 12.0 -56.6 345 52 315.7 315.7 287.3 315.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5376.00 m Freezing level: 867.96 mb = 1327.70 m = 4355.93 ft Wetbulb zero: 930.88 mb = 757.04 m = 2483.69 ft Precipitable water: 0.17 inches Sfc-500 mean rel hum: 18.60 % Est. max temperature: 10.39 C = 50.69 F Sfc-Lift cond lev (LCL): 752.29 mb = 2452.74 m = 8046.95 ft T: -5.07 C 700-500 lapse rate: 5.94 C/km ThetaE index: 3.89 C Layer 954.0- 925.0 mb Conv cond level (CCL): 609.63 mb = 4061.48 m = 13324.92 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 23.19 C = 73.74 F Cap Strength: 6.99 C Lifted Index: 12.45 C Risk: None Lifted Index @300 mb: 16.95 C Lifted Index @700 mb: 6.91 C Showalter Index: 13.71 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 9.60 C K Index: -21.10 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.90 J/kg Max Up Vert Vel: 6.15 m/s Conv Inhibition (B-): 60895.34 J/kg Cap Strength: 12.14 C Lift Cond Lev (LCL): 726.61 mb = 2725.25 m = 8941.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 0 at 14 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 ---------------------------------------------------------- 0 990 248 290 5 4.7 -1.7 | 201 14 4.8 12.7 1 925 809 295 13 11.8 -5.5 | 233 15 11.9 8.9 2 850 1491 305 11 9.0 -6.3 | 228 12 9.1 8.1 3 700 3016 315 13 9.2 -9.2 | 241 11 9.3 5.2 4 500 5540 345 33 8.5 -31.9 | 334 19 8.7 -17.5 5 400 7140 350 40 6.9 -39.4 | 344 26 7.1 -25.0 6 300 9080 355 48 4.2 -47.8 | 353 34 4.3 -33.4 7 268 9807 345 52 13.5 -50.2 | 339 38 13.6 -35.8 8 250 10250 355 52 4.5 -51.8 | 353 38 4.6 -37.4 9 200 11680 330 25 12.5 -21.7 | 300 15 12.6 -7.2 10 150 13550 300 13 11.3 -6.5 | 235 14 11.4 7.9 11 100 16160 275 17 16.9 -1.5 | 233 21 17.0 12.9 12 70 18450 265 19 18.9 1.7 | 230 25 19.0 16.1 13 50 20610 235 11 9.0 6.3 | 204 23 9.1 20.7 14 30 23910 195 7 1.8 6.8 | 185 21 1.9 21.2 15 20 26540 215 9 5.2 7.4 | 194 22 5.3 21.8 Wind Parameters Mean winds (0-6000m): 330.4 at 19.2 knts Storm direction: 0.4 at 14.4 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 50.5 deg Storm rel helicity (0-3000m) pos: 41.6 neg: -3.4 tot: 38.1 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.80 Bulk Shear: 23.78 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 ------------------------------------------------------------------------------- 500 293 9 216 14| 7.4 0.0 7.4| 25.9 0.0 25.9 51.7 0.99| 7.4 7.3 1000 296 10 224 14| 3.5 0.0 3.5| 28.9 -2.1 26.8 26.8 0.75| 5.0 3.7 1500 299 11 226 13| 2.3 0.0 2.3| 29.9 -3.4 26.5 17.7 0.65| 3.8 2.5 2000 301 11 228 13| 1.9 0.0 1.9| 32.4 -3.4 28.9 14.5 0.67| 3.1 2.1 2500 304 11 229 12| 1.7 0.0 1.7| 34.8 -3.4 31.4 12.5 0.68| 2.7 1.8 3000 306 12 231 12| 1.8 0.0 1.8| 41.6 -3.4 38.1 12.7 0.73| 2.6 1.9 4000 313 13 242 11| 2.5 0.0 2.5| 67.3 -3.4 63.9 16.0 0.81| 3.1 2.5 5000 323 16 261 10| 2.9 0.0 2.9|100.3 -3.4 96.9 19.4 0.83| 3.5 2.9 6000 330 19 284 10| 2.9 0.0 2.9|122.3 -3.4 118.9 19.8 0.80| 3.5 2.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250502.12.gif