UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 16 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 1009 94 0.6 0.6 100 0.0 0.6 140 3 273.0 273.7 273.3 283.7 3.95 1 1000 166 0.0 -1.1 92 1.1 -0.4 145 5 273.1 273.7 272.7 282.7 3.52 2 932 727 -3.1 -4.1 93 1.0 -3.5 190 16 275.5 276.1 273.4 283.9 3.02 3 925 787 -3.1 -4.1 93 1.0 -3.5 195 17 276.1 276.7 273.8 284.6 3.05 4 904 969 -2.9 -4.0 92 1.1 -3.3 190 16 278.2 278.7 275.0 286.9 3.14 5 877 1212 1.4 0.4 93 1.0 1.0 182 14 285.1 285.8 280.3 297.7 4.49 6 850 1463 0.4 -0.7 92 1.1 -0.1 175 13 286.6 287.3 280.8 298.7 4.27 7 788 2068 -1.1 -2.2 92 1.1 -1.6 181 20 291.2 292.0 282.7 303.2 4.13 8 700 3000 -7.1 -8.0 93 0.9 -7.4 190 31 294.6 295.2 282.8 303.6 2.99 9 593 4271 -15.7 -17.4 87 1.7 -16.2 195 39 299.0 299.2 283.0 304.1 1.64 10 539 4986 -18.9 -20.7 86 1.8 -19.3 198 44 303.4 303.7 284.5 307.8 1.36 11 500 5540 -23.5 -25.5 84 2.0 -23.9 200 48 304.4 304.6 284.4 307.5 0.96 12 400 7140 -35.1 -37.5 79 2.4 -35.3 205 54 309.4 309.4 285.6 310.7 0.38 13 374 7603 -39.1 -41.5 78 2.4 -39.3 204 58 310.1 310.1 285.7 311.0 0.27 14 335 8348 -43.3 -45.7 77 2.4 -43.5 202 66 314.3 314.3 287.1 315.0 0.19 15 300 9080 -48.9 -51.5 74 2.6 -49.0 200 73 316.4 316.4 287.7 316.8 0.11 16 250 10260 -57.3 -59.8 73 2.5 -57.3 195 75 320.9 320.9 289.0 321.1 0.05 17 242 10463 -59.4 -62.2 70 2.8 -59.5 195 75 320.7 320.7 289.0 320.8 0.04 18 241 10489 -59.7 -62.5 70 2.8 -59.7 195 75 320.7 320.7 289.0 320.8 0.04 19 207 11428 -61.7 -64.4 70 2.7 -61.7 200 68 331.8 331.8 292.2 331.9 0.03 20 200 11640 -61.3 -64.1 69 2.8 -61.3 205 62 335.7 335.7 293.3 335.8 0.03 21 177 12409 -56.7 -59.4 71 2.7 -56.8 207 50 355.2 355.2 297.8 355.5 0.07 22 150 13460 -57.3 -60.0 71 2.7 -57.4 210 33 371.4 371.4 300.9 371.7 0.08 23 114 15200 -56.1 -59.2 68 3.1 -56.2 227 24 403.9 403.9 305.8 404.5 0.11 24 100 16030 -57.5 -60.7 67 3.2 -57.6 235 19 416.6 416.7 307.4 417.2 0.11 25 70 18270 -59.3 -62.8 64 3.5 -59.5 245 13 457.5 457.6 311.6 458.2 0.12 26 50 20370 -61.9 -65.2 65 3.3 -62.1 290 15 497.6 497.6 314.8 498.4 0.12 27 37 22231 -62.3 -65.8 63 3.5 -62.5 541.3 541.4 317.6 542.3 0.15 TRP 207 11428 -61.7 -64.4 70 2.7 -61.7 200 68 331.8 331.8 292.2 331.9 0.03 WND 242 10463 -59.4 -62.2 70 2.8 -59.5 195 75 320.7 320.7 289.0 320.8 0.04 Sounding variables and indices 1000-500 mb thick: 5374.00 m Freezing level: 1000.00 mb = 166.00 m = 544.61 ft Freezing level: 885.79 mb = 1132.58 m = 3715.76 ft Freezing level: 833.47 mb = 1624.23 m = 5328.77 ft Wetbulb zero: 1003.83 mb = 135.37 m = 444.13 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 90.29 % Est. max temperature: 13.64 C = 56.55 F Sfc-Lift cond lev (LCL): 1008.82 mb = 95.66 m = 313.85 ft T: 0.59 C 700-500 lapse rate: 6.46 C/km ThetaE index: 1.01 C Layer 1000.0- 932.0 mb Conv cond level (CCL): 932.00 mb = 727.26 m = 2386.00 ft Mean mixing ratio: 3.26 g/kg Conv temperature: 3.10 C = 37.59 F Cap Strength: 17.35 C Lifted Index: 17.53 C Risk: None Lifted Index @300 mb: 23.21 C Lifted Index @700 mb: 12.86 C Showalter Index: 6.36 C Risk: None Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 22.80 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 74.00 Risk: None Energy Index: 1.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.95 J/kg Max Up Vert Vel: 5.47 m/s Conv Inhibition (B-): 37648.80 J/kg Cap Strength: 17.51 C Lift Cond Lev (LCL): 943.00 mb = 633.79 m = 2079.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 224 at 23 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 1009 94 140 3 -1.9 2.3 | 52 22 -17.5 -13.9 1 1000 166 145 5 -2.9 4.1 | 57 22 -18.5 -12.1 2 925 787 195 17 4.4 16.4 | 91 11 -11.2 0.2 3 850 1463 175 13 -1.1 13.0 | 79 17 -16.7 -3.3 4 700 3000 190 31 5.4 30.5 | 144 18 -10.2 14.3 5 500 5540 200 48 16.4 45.1 | 182 29 0.8 28.9 6 400 7140 205 54 22.8 48.9 | 192 33 7.2 32.7 7 300 9080 200 73 25.0 68.6 | 190 53 9.4 52.4 8 250 10260 195 75 19.4 72.4 | 184 56 3.8 56.2 9 242 10463 195 75 19.4 72.4 | 184 56 3.8 56.2 10 207 11428 200 68 23.3 63.9 | 189 48 7.6 47.7 11 200 11640 205 62 26.2 56.2 | 195 41 10.6 40.0 12 150 13460 210 33 16.5 28.6 | 184 12 0.9 12.3 13 100 16030 235 19 15.6 10.9 | 1 5 -0.1 -5.3 14 70 18270 245 13 11.8 5.5 | 20 11 -3.8 -10.7 15 50 20370 290 15 14.1 -5.1 | 4 21 -1.5 -21.4 Wind Parameters Mean winds (0-6000m): 193.9 at 30.0 knts Storm direction: 223.9 at 22.5 knts Shear (0-3000m) pos: 5.3 neg: 0.4 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 94.8 deg Storm rel helicity (0-3000m) pos: 142.9 neg: -9.8 tot: 133.1 m^2/s^2 ave: 44.4 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 68.46 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 ------------------------------------------------------------------------------- 500 168 8 65 19| 11.4 0.0 11.4| 51.8 0.0 51.8 103.6 0.81| 12.4 10.0 1000 186 12 73 15| 6.8 0.0 6.8| 61.7 -4.1 57.6 57.6 0.55| 10.6 5.8 1500 184 13 76 15| 4.6 0.9 5.4| 66.8 -9.8 57.0 38.0 0.44| 8.6 3.8 2000 183 14 81 15| 5.0 0.7 5.6| 92.2 -9.8 82.4 41.2 0.55| 8.0 4.4 2500 183 16 88 15| 5.2 0.5 5.8|118.1 -9.8 108.3 43.3 0.62| 7.7 4.8 3000 186 18 97 14| 5.3 0.4 5.8|142.9 -9.8 133.1 44.4 0.67| 7.4 4.9 4000 188 22 114 14| 4.9 0.3 5.2|173.8 -9.8 164.0 41.0 0.69| 6.4 4.4 5000 191 26 132 14| 4.6 0.3 4.9|208.8 -9.8 199.0 39.8 0.70| 5.9 4.1 6000 194 30 147 15| 4.3 0.2 4.5|242.0 -9.8 232.2 38.7 0.70| 5.4 3.8 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251016.00.gif