UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 8 OCT 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1013 33 14.8 -2.2 31 17.0 7.1 265 1 286.9 287.4 279.6 296.1 3.21 1 1000 142 13.4 -2.6 33 16.0 6.2 260 7 286.5 287.1 279.4 295.6 3.15 2 925 847 7.0 -5.0 42 12.0 2.1 270 5 286.5 287.0 279.0 294.7 2.84 3 892 1143 4.0 -7.0 44 11.0 -0.3 276 6 286.4 286.8 278.5 293.7 2.53 4 850 1534 3.2 -12.8 30 16.0 -2.3 285 7 289.5 289.8 278.9 294.5 1.68 5 799 2032 0.8 -15.2 29 16.0 -4.3 295 10 292.1 292.4 279.8 296.6 1.47 6 793 2093 0.2 -15.8 29 16.0 -4.8 296 11 292.1 292.3 279.7 296.4 1.41 7 708 2991 -5.3 -11.3 63 6.0 -7.4 313 16 295.7 296.1 282.4 302.6 2.27 8 700 3080 -5.7 -11.7 63 6.0 -7.8 315 17 296.2 296.6 282.5 303.0 2.23 9 657 3572 -9.3 -16.3 57 7.0 -11.3 318 16 297.5 297.8 282.4 302.6 1.63 10 623 3982 -9.1 -21.1 37 12.0 -12.3 320 15 302.3 302.5 283.8 306.0 1.14 11 544 5018 -14.9 -38.9 11 24.0 -18.6 326 13 307.4 307.4 284.7 308.2 0.24 12 500 5650 -18.7 -32.7 28 14.0 -21.1 330 11 310.2 310.3 286.0 311.9 0.49 13 466 6170 -22.1 -35.1 30 13.0 -24.1 328 14 312.3 312.4 286.6 313.8 0.41 14 400 7270 -30.7 -42.7 30 12.0 -31.9 325 21 315.1 315.1 287.4 315.9 0.22 15 300 9250 -46.9 -56.9 31 10.0 -47.2 330 25 319.3 319.3 288.6 319.5 0.06 16 297 9316 -47.7 -56.7 35 9.0 -48.0 331 25 319.0 319.0 288.5 319.3 0.06 17 280 9701 -50.1 -59.1 34 9.0 -50.3 336 26 321.0 321.0 289.1 321.2 0.05 18 250 10430 -54.7 -63.7 32 9.0 -54.9 345 27 324.7 324.7 290.2 324.9 0.03 19 210 11529 -62.1 -70.1 34 8.0 -62.2 357 34 329.8 329.8 291.7 329.8 0.01 20 200 11830 -63.1 -71.1 33 8.0 -63.1 360 36 332.8 332.8 292.5 332.9 0.01 21 195 11984 -63.7 -71.7 33 8.0 -63.8 360 35 334.3 334.3 292.9 334.3 0.01 22 193 12047 -63.5 -71.5 33 8.0 -63.6 359 35 335.6 335.6 293.2 335.7 0.01 23 183 12373 -61.1 -69.1 34 8.0 -61.2 354 34 344.6 344.7 295.4 344.7 0.02 24 150 13610 -57.9 -66.9 31 9.0 -58.1 335 29 370.3 370.3 300.7 370.5 0.03 25 127 14661 -57.1 -68.1 24 11.0 -57.3 335 28 389.8 389.8 303.8 390.0 0.03 26 100 16170 -58.3 -71.3 17 13.0 -58.6 335 27 415.1 415.1 307.2 415.2 0.03 27 70 18420 -58.7 -73.7 13 15.0 -59.1 330 23 458.8 458.8 311.7 458.9 0.03 28 50 20520 -60.3 -77.3 9 17.0 -60.8 345 21 501.4 501.4 315.1 501.5 0.02 29 30 23700 -59.7 -78.7 7 19.0 -60.6 335 17 581.9 581.9 319.8 582.1 0.03 30 22 25636 -61.3 -80.3 6 19.0 -62.3 320 15 631.1 631.1 322.0 631.3 0.03 31 20 26230 -60.3 -80.3 6 20.0 -61.5 315 15 651.6 651.6 322.7 651.8 0.03 32 16 27628 -58.3 -78.3 6 20.0 -60.1 701.1 701.1 324.5 701.5 0.05 TRP 195 11984 -63.7 -71.7 33 8.0 -63.8 360 35 334.3 334.3 292.9 334.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5508.00 m Freezing level: 789.91 mb = 2125.44 m = 6973.14 ft Wetbulb zero: 895.85 mb = 1108.20 m = 3635.79 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 36.56 % Est. max temperature: 16.42 C = 61.56 F Sfc-Lift cond lev (LCL): 783.02 mb = 2193.07 m = 7195.02 ft T: -0.41 C 700-500 lapse rate: 5.06 C/km ThetaE index: 2.42 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 664.56 mb = 3483.47 m = 11428.57 ft Mean mixing ratio: 2.99 g/kg Conv temperature: 25.24 C = 77.43 F Cap Strength: 12.27 C Lifted Index: 13.68 C Risk: None Lifted Index @300 mb: 17.12 C Lifted Index @700 mb: 6.58 C Showalter Index: 14.15 C Risk: None Total Totals Index: 27.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 5.90 C K Index: 3.10 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.60 J/kg Max Up Vert Vel: 1.79 m/s Conv Inhibition (B-): 55819.16 J/kg Cap Strength: 13.46 C Lift Cond Lev (LCL): 776.05 mb = 2263.92 m = 7427.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 at 9 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 1013 33 265 1 1.0 0.1 | 169 8 -1.6 8.3 1 1000 142 260 7 6.9 1.2 | 204 10 4.2 9.4 2 925 847 270 5 5.0 -0.0 | 196 9 2.4 8.2 3 850 1534 285 7 6.8 -1.8 | 213 8 4.1 6.4 4 700 3080 315 17 12.0 -12.0 | 292 10 9.4 -3.8 5 500 5650 330 11 5.5 -9.5 | 295 3 2.9 -1.3 6 400 7270 325 21 12.0 -17.2 | 314 13 9.4 -9.0 7 300 9250 330 25 12.5 -21.7 | 324 17 9.9 -13.5 8 250 10430 345 27 7.0 -26.1 | 346 18 4.3 -17.9 9 200 11830 360 36 -0.0 -36.0 | 5 28 -2.6 -27.8 10 195 11984 360 35 -0.0 -35.0 | 6 27 -2.6 -26.8 11 150 13610 335 29 12.3 -26.3 | 332 20 9.6 -18.1 12 100 16170 335 27 11.4 -24.5 | 332 18 8.8 -16.3 13 70 18420 330 23 11.5 -19.9 | 323 15 8.9 -11.7 14 50 20520 345 21 5.4 -20.3 | 347 12 2.8 -12.1 15 30 23700 335 17 7.2 -15.4 | 328 9 4.5 -7.2 16 20 26230 315 15 10.6 -10.6 | 287 8 8.0 -2.4 Wind Parameters Mean winds (0-6000m): 312.1 at 11.5 knts Storm direction: 342.1 at 8.6 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 121.4 deg Storm rel helicity (0-3000m) pos: 42.3 neg: -2.9 tot: 39.5 m^2/s^2 ave: 13.2 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 10.49 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 ------------------------------------------------------------------------------- 500 262 6 199 10| 5.0 0.0 5.0| 13.0 -1.3 11.7 23.3 0.75| 7.0 5.3 1000 265 6 199 9| 2.3 0.0 2.3| 14.3 -2.9 11.4 11.4 0.60| 4.3 2.6 1500 271 6 202 9| 2.1 0.0 2.1| 18.0 -2.9 15.1 10.1 0.66| 3.5 2.3 2000 278 7 208 8| 2.4 0.0 2.4| 25.1 -2.9 22.2 11.1 0.75| 3.6 2.7 2500 286 8 218 8| 2.6 0.0 2.6| 33.0 -2.9 30.2 12.1 0.80| 3.6 2.9 3000 295 9 231 7| 2.8 0.0 2.8| 42.3 -2.9 39.5 13.2 0.82| 3.7 3.1 4000 304 11 250 7| 1.8 0.0 1.8| 44.5 -2.9 41.6 10.4 0.76| 3.2 2.4 5000 309 11 260 6| 1.2 0.0 1.2| 44.8 -2.9 42.0 8.4 0.69| 2.8 2.0 6000 312 11 265 6| 0.9 0.2 1.1| 45.7 -3.0 42.8 7.1 0.63| 2.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251008.12.gif