UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 29 OCT 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 31 SFC 990 109 -8.1 -9.6 89 1.5 -8.5 100 5 265.8 266.1 265.2 270.8 1.86 2 976 220 -8.9 -12.0 78 3.1 -9.7 124 8 266.1 266.3 264.8 270.3 1.56 3 925 638 -5.7 -7.3 88 1.6 -6.2 215 21 273.5 273.9 271.2 280.1 2.38 4 887 966 -6.3 -7.8 89 1.5 -6.8 220 22 276.2 276.6 272.8 282.8 2.39 5 850 1298 -8.9 -11.9 79 3.0 -9.8 225 23 276.8 277.1 272.3 281.9 1.80 6 757 2184 -14.9 -17.3 82 2.4 -15.4 213 23 279.7 279.9 273.1 283.4 1.30 7 700 2771 -19.5 -27.5 49 8.0 -20.7 205 23 280.9 281.0 272.7 282.6 0.57 8 687 2910 -20.3 -28.3 49 8.0 -21.5 203 24 281.5 281.6 273.0 283.2 0.54 9 625 3602 -25.5 -31.5 57 6.0 -26.2 195 29 283.3 283.4 273.8 284.7 0.44 10 617 3695 -25.9 -31.9 57 6.0 -26.6 194 30 283.9 283.9 274.1 285.2 0.43 11 609 3790 -25.5 -32.5 52 7.0 -26.3 193 31 285.4 285.5 274.9 286.7 0.41 12 504 5135 -34.9 -47.9 25 13.0 -35.6 176 42 289.8 289.8 276.7 290.2 0.10 13 500 5190 -35.3 -48.3 25 13.0 -36.0 175 42 290.0 290.0 276.8 290.3 0.10 14 439 6084 -41.7 -53.7 26 12.0 -42.1 175 51 292.9 292.9 278.2 293.1 0.06 15 400 6710 -44.7 -55.7 28 11.0 -45.0 175 58 296.9 296.9 280.0 297.1 0.05 16 382 7017 -46.3 -57.1 28 10.8 -46.6 180 64 298.7 298.7 280.8 298.9 0.04 17 300 8590 -54.7 -64.7 28 10.0 -54.8 170 60 308.2 308.2 284.7 308.3 0.02 18 266 9356 -58.3 -68.3 27 10.0 -58.4 165 58 313.8 313.8 286.7 313.8 0.01 19 256 9599 -57.3 -67.3 27 10.0 -57.4 171 53 318.7 318.7 288.3 318.8 0.02 20 250 9750 -55.7 -65.7 28 10.0 -55.8 175 50 323.3 323.3 289.8 323.3 0.02 21 235 10144 -53.7 -63.7 28 10.0 -53.9 179 44 332.1 332.1 292.3 332.2 0.03 22 217 10651 -55.9 -65.9 28 10.0 -56.1 185 37 336.3 336.3 293.4 336.4 0.02 23 200 11170 -53.5 -64.5 25 11.0 -53.8 190 29 348.0 348.1 296.3 348.2 0.03 24 186 11637 -52.3 -64.3 22 12.0 -52.6 187 25 357.3 357.3 298.2 357.4 0.04 25 150 13020 -54.5 -68.5 16 14.0 -54.8 180 15 376.2 376.2 301.6 376.3 0.03 26 100 15590 -57.5 -74.5 10 17.0 -57.9 215 7 416.6 416.6 307.3 416.7 0.02 27 70 17830 -60.5 -78.5 8 18.0 -60.9 235 7 455.0 455.0 311.3 455.0 0.01 28 50 19910 -63.3 -82.3 6 19.0 -63.7 265 11 494.3 494.3 314.5 494.4 0.01 29 43 20834 -64.5 -84.5 5 20.0 -64.8 513.2 513.2 315.8 513.2 0.01 30 35 22099 -62.3 -82.3 5 20.0 -62.9 550.0 550.0 318.1 550.1 0.01 TRP 266 9356 -58.3 -68.3 27 10.0 -58.4 165 58 313.8 313.8 286.7 313.8 0.01 WND 382 7017 -46.3 -57.1 28 10.8 -46.6 180 64 298.7 298.7 280.8 298.9 0.04 Sounding variables and indices 1000-500 mb thick: 5159.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 61.93 % Est. max temperature: 3.17 C = 37.71 F Sfc-Lift cond lev (LCL): 966.45 mb = 296.30 m = 972.11 ft T: -8.31 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.89 C Layer 850.0- 757.0 mb Conv cond level (CCL): 988.91 mb = 117.69 m = 386.12 ft Mean mixing ratio: 2.09 g/kg Conv temperature: -8.08 C = 17.45 F Cap Strength: 11.05 C Lifted Index: 11.15 C Risk: None Lifted Index @300 mb: 22.30 C Lifted Index @700 mb: 5.62 C Showalter Index: 7.10 C Risk: None Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 23.40 C K Index: 6.50 Risk: None Sweat Index: 104.00 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.55 J/kg Max Up Vert Vel: 9.01 m/s Conv Inhibition (B-): 39078.94 J/kg Cap Strength: 11.11 C Lift Cond Lev (LCL): 910.86 mb = 758.56 m = 2488.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 at 22 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 ---------------------------------------------------------- 0 990 109 100 5 -4.9 0.9 | 51 25 -19.7 -15.9 1 925 638 215 21 12.0 17.2 | 99 3 -2.7 0.4 2 850 1298 225 23 16.3 16.3 | 288 2 1.5 -0.5 3 700 2771 205 23 9.7 20.8 | 129 6 -5.0 4.1 4 500 5190 175 42 -3.7 41.8 | 144 31 -18.4 25.1 5 400 6710 175 58 -5.1 57.8 | 154 46 -19.8 41.0 6 382 7017 180 64 0.0 64.0 | 163 49 -14.8 47.2 7 300 8590 170 60 -10.4 59.1 | 149 49 -25.2 42.3 8 266 9356 165 58 -15.0 56.0 | 143 49 -29.8 39.3 9 250 9750 175 50 -4.4 49.8 | 150 38 -19.1 33.0 10 200 11170 190 29 5.0 28.6 | 141 15 -9.7 11.8 11 150 13020 180 15 0.0 15.0 | 83 15 -14.8 -1.8 12 100 15590 215 7 4.0 5.7 | 44 15 -10.7 -11.0 13 70 17830 235 7 5.7 4.0 | 35 16 -9.0 -12.8 14 50 19910 265 11 11.0 1.0 | 14 16 -3.8 -15.8 Wind Parameters Mean winds (0-6000m): 191.4 at 29.8 knts Storm direction: 221.4 at 22.3 knts Shear (0-3000m) pos: 4.4 neg: 1.6 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 90.9 deg Storm rel helicity (0-3000m) pos: 89.3 neg: -1.8 tot: 87.4 m^2/s^2 ave: 29.1 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 2.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.00 Bulk Shear: 40.44 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 ------------------------------------------------------------------------------- 500 200 13 64 12| 22.9 0.0 22.9| 86.0 0.0 86.0 172.0 0.57| 29.2 16.5 1000 213 17 66 6| 13.1 0.0 13.1| 86.0 -0.0 85.9 85.9 0.44| 17.6 7.7 1500 217 19 63 4| 8.7 0.3 9.0| 86.0 -0.4 85.6 57.1 0.37| 12.7 4.7 2000 217 20 72 3| 6.5 0.8 7.4| 86.0 -0.9 85.1 42.6 0.31| 10.2 3.2 2500 216 21 89 3| 5.2 1.2 6.5| 86.0 -1.6 84.3 33.7 0.27| 8.7 2.4 3000 214 21 106 3| 4.4 1.6 6.0| 89.3 -1.8 87.4 29.1 0.28| 8.0 2.2 4000 207 23 133 6| 3.3 2.5 5.8| 93.7 -2.1 91.5 22.9 0.26| 7.3 1.9 5000 198 26 141 11| 2.6 3.1 5.8| 93.7 -16.5 77.2 15.4 0.18| 7.0 1.3 6000 191 30 144 15| 2.2 3.4 5.6|134.2 -18.0 116.2 19.4 0.21| 6.7 1.4 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251029.00.gif