UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 19 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 1004 94 -1.5 -1.5 100 0.0 -1.5 0 0 271.3 271.9 271.4 280.5 3.41 1 1000 126 -1.7 -3.5 87 1.8 -2.4 353 0 271.5 271.9 270.8 279.4 2.95 2 990 206 -2.3 -4.0 88 1.7 -2.9 335 1 271.6 272.1 270.8 279.4 2.87 3 978 303 0.4 -1.1 90 1.5 -0.2 314 1 275.3 275.9 274.1 285.1 3.60 4 925 750 -0.7 -3.1 84 2.4 -1.6 215 3 278.6 279.2 275.5 287.7 3.28 5 883 1121 -1.1 -2.6 90 1.5 -1.7 207 6 281.9 282.5 277.6 292.0 3.57 6 850 1425 -2.3 -3.3 93 1.0 -2.7 200 9 283.7 284.3 278.5 293.7 3.52 7 784 2063 -5.3 -7.0 88 1.7 -5.9 223 9 287.2 287.7 279.3 295.5 2.88 8 700 2943 -11.1 -13.1 85 2.0 -11.7 255 9 290.2 290.5 279.6 296.1 1.99 9 639 3635 -15.9 -18.5 80 2.6 -16.5 240 9 292.4 292.7 279.8 296.7 1.39 10 500 5430 -30.1 -33.7 71 3.6 -30.5 200 9 296.3 296.4 280.4 297.8 0.44 11 494 5516 -30.9 -34.4 71 3.5 -31.3 200 10 296.4 296.5 280.4 297.8 0.42 12 442 6300 -34.9 -38.0 73 3.1 -35.2 197 17 300.9 301.0 282.2 302.0 0.33 13 400 6990 -39.9 -43.1 71 3.2 -40.1 195 23 303.1 303.2 283.0 303.9 0.21 14 338 8121 -47.9 -52.2 61 4.3 -48.0 192 28 307.2 307.2 284.4 307.5 0.09 15 300 8900 -52.5 -56.7 60 4.2 -52.6 190 31 311.3 311.4 285.9 311.6 0.06 16 269 9596 -56.5 -60.4 61 3.9 -56.6 195 29 315.4 315.4 287.3 315.6 0.04 17 250 10060 -56.5 -60.5 61 4.0 -56.6 200 27 322.1 322.1 289.5 322.2 0.04 18 227 10671 -55.9 -60.0 60 4.1 -56.0 206 23 332.0 332.0 292.3 332.2 0.05 19 200 11480 -52.5 -57.4 55 4.9 -52.7 215 17 349.6 349.6 296.6 350.0 0.08 20 199 11512 -52.3 -57.2 55 4.9 -52.5 216 17 350.4 350.5 296.8 350.8 0.08 21 150 13340 -52.5 -59.5 43 7.0 -52.8 245 19 379.6 379.6 302.2 380.0 0.08 22 132 14162 -55.7 -63.7 36 8.0 -55.9 248 16 388.0 388.1 303.5 388.3 0.06 23 100 15940 -54.3 -64.3 28 10.0 -54.7 255 11 422.8 422.8 308.1 423.2 0.07 24 97 16135 -54.3 -64.3 28 10.0 -54.7 255 11 426.5 426.5 308.5 426.9 0.07 25 87 16824 -57.7 -67.7 27 10.0 -58.0 257 12 433.2 433.2 309.2 433.4 0.05 26 83 17120 -57.7 -68.7 23 11.0 -58.0 258 12 439.0 439.0 309.8 439.3 0.04 27 70 18190 -58.5 -69.5 23 11.0 -58.9 260 13 459.2 459.2 311.7 459.5 0.05 28 59 19265 -57.9 -69.9 20 12.0 -58.4 265 14 483.6 483.6 313.8 483.9 0.05 29 50 20300 -61.3 -73.3 19 12.0 -61.7 270 15 499.0 499.0 314.9 499.3 0.04 30 46 20817 -62.9 -74.9 18 12.0 -63.3 273 15 507.2 507.2 315.5 507.4 0.03 31 30 23470 -60.7 -73.7 16 13.0 -61.4 290 15 579.2 579.2 319.6 579.6 0.06 32 20 26000 -60.5 -74.5 14 14.0 -61.6 280 9 651.0 651.0 322.7 651.6 0.08 33 19 26320 -60.3 -74.3 14 14.0 -61.4 661.2 661.3 323.2 661.9 0.09 TRP 269 9596 -56.5 -60.4 61 3.9 -56.6 195 29 315.4 315.4 287.3 315.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5304.00 m Freezing level: Surface below freezing Freezing level: 979.78 mb = 289.03 m = 948.26 ft Freezing level: 958.73 mb = 465.84 m = 1528.34 ft Wetbulb zero: Below ground Precipitable water: 0.49 inches Sfc-500 mean rel hum: 82.98 % Est. max temperature: 10.68 C = 51.23 F Sfc-Lift cond lev (LCL): 1003.79 mb = 95.88 m = 314.55 ft T: -1.51 C 700-500 lapse rate: 7.64 C/km ThetaE index: 1.09 C Layer 1000.0- 978.0 mb Conv cond level (CCL): 996.88 mb = 150.92 m = 495.13 ft Mean mixing ratio: 3.34 g/kg Conv temperature: -1.33 C = 29.60 F Cap Strength: 8.28 C Lifted Index: 9.49 C Risk: None Lifted Index @300 mb: 18.32 C Lifted Index @700 mb: 7.57 C Showalter Index: 3.34 C Risk: None Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.80 C Cross Totals Index: 26.80 C K Index: 22.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 139.00 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.67 J/kg Max Up Vert Vel: 7.70 m/s Conv Inhibition (B-): 48944.33 J/kg Cap Strength: 9.46 C Lift Cond Lev (LCL): 924.82 mb = 751.57 m = 2465.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 at 6 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 1004 94 0 0 -0.0 -0.0 | 70 6 -5.8 -2.1 1 925 750 215 3 1.7 2.5 | 95 4 -4.1 0.4 2 850 1425 200 9 3.1 8.5 | 157 7 -2.7 6.4 3 700 2943 255 9 8.7 2.3 | 265 3 2.9 0.2 4 500 5430 200 9 3.1 8.5 | 157 7 -2.7 6.4 5 400 6990 195 23 6.0 22.2 | 180 20 0.1 20.1 6 300 8900 190 31 5.4 30.5 | 179 28 -0.4 28.4 7 269 9596 195 29 7.5 28.0 | 184 26 1.7 25.9 8 250 10060 200 27 9.2 25.4 | 188 24 3.4 23.3 9 200 11480 215 17 9.8 13.9 | 198 12 3.9 11.8 10 150 13340 245 19 17.2 8.0 | 243 13 11.4 5.9 11 100 15940 255 11 10.6 2.8 | 261 5 4.8 0.7 12 70 18190 260 13 12.8 2.3 | 269 7 7.0 0.2 13 50 20300 270 15 15.0 -0.0 | 283 9 9.2 -2.1 14 30 23470 290 15 14.1 -5.1 | 311 11 8.3 -7.2 15 20 26000 280 9 8.9 -1.6 | 320 5 3.1 -3.7 Wind Parameters Mean winds (0-6000m): 220.1 at 8.2 knts Storm direction: 250.1 at 6.2 knts Shear (0-3000m) pos: 1.2 neg: 1.5 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): -175.1 deg Storm rel helicity (0-3000m) pos: 16.2 neg: -2.0 tot: 14.2 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.39 Bulk Shear: 6.76 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 ------------------------------------------------------------------------------- 500 205 1 79 5| 0.0 2.4 2.4| 0.9 -1.7 -0.8 -1.6 -0.08| 3.4 -0.3 1000 212 3 91 4| 0.0 3.1 3.1| 5.7 -1.7 4.0 4.0 0.54| 4.1 2.2 1500 205 4 115 4| 0.0 3.1 3.1| 9.5 -1.7 7.8 5.2 0.58| 4.0 2.4 2000 209 5 131 4| 0.7 2.3 3.0| 12.5 -1.7 10.8 5.4 0.61| 3.8 2.3 2500 216 6 144 4| 1.2 1.9 3.0| 14.8 -1.7 13.1 5.3 0.66| 3.6 2.4 3000 223 7 157 3| 1.2 1.5 2.7| 16.2 -2.0 14.2 4.7 0.66| 3.4 2.2 4000 229 7 173 3| 0.9 1.5 2.4| 16.2 -4.7 11.5 2.9 0.42| 3.0 1.2 5000 226 8 175 3| 0.7 1.4 2.1| 16.2 -8.1 8.0 1.6 0.26| 2.7 0.7 6000 220 8 173 4| 0.6 1.7 2.3| 22.6 -9.4 13.2 2.2 0.26| 2.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251019.00.gif