UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102212.upa.cvt Date: 1200Z 22 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 22 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 ------------------------------------------------------------------------------- SFC 1013 110 -7.5 -11.7 72 4.2 -8.6 230 1 264.7 264.9 263.8 268.8 1.54 1 1006 164 -2.5 -7.5 68 5.0 -4.1 241 3 270.2 270.5 268.7 276.1 2.16 2 1000 211 -2.3 -7.3 69 5.0 -3.9 250 5 270.9 271.2 269.2 276.9 2.20 3 991 283 -1.7 -7.7 64 6.0 -3.7 253 6 272.2 272.5 270.0 278.1 2.16 4 964 502 -3.1 -11.1 54 8.0 -5.5 264 10 272.9 273.2 269.7 277.6 1.70 5 925 830 -2.5 -12.5 46 10.0 -5.5 280 15 276.8 277.0 271.9 281.3 1.58 6 900 1048 -2.5 -13.5 43 11.0 -5.7 280 16 278.9 279.2 273.1 283.3 1.50 7 897 1074 -2.7 -13.7 42 11.0 -5.9 280 16 279.0 279.2 273.1 283.3 1.48 8 850 1500 -4.9 -12.9 53 8.0 -7.3 280 19 281.0 281.3 274.5 285.8 1.66 9 840 1593 -5.3 -12.3 58 7.0 -7.4 280 20 281.5 281.8 274.9 286.7 1.77 10 806 1916 -6.1 -24.1 23 18.0 -10.1 280 22 284.0 284.2 274.6 286.1 0.68 11 803 1945 -6.3 -24.3 23 18.0 -10.2 280 22 284.1 284.2 274.6 286.2 0.67 12 760 2371 -10.1 -17.1 57 7.0 -11.9 280 25 284.5 284.8 275.9 288.4 1.32 13 752 2452 -9.9 -15.9 61 6.0 -11.5 280 25 285.6 285.9 276.6 290.0 1.47 14 700 3000 -13.7 -21.7 51 8.0 -15.4 280 29 287.3 287.5 276.8 290.3 0.96 15 680 3221 -14.3 -23.3 46 9.0 -16.2 280 30 289.0 289.2 277.5 291.7 0.86 16 667 3367 -15.7 -26.7 38 11.0 -17.7 279 31 289.1 289.2 277.2 291.1 0.64 17 547 4835 -26.5 -31.5 63 5.0 -27.2 276 37 293.1 293.2 279.0 294.7 0.50 18 500 5480 -30.9 -36.9 56 6.0 -31.5 275 40 295.4 295.4 279.7 296.4 0.32 19 400 7020 -42.1 -47.1 58 5.0 -42.3 280 38 300.3 300.3 281.7 300.8 0.14 20 300 8910 -55.5 -59.9 58 4.4 -55.6 280 38 307.1 307.1 284.3 307.3 0.04 21 291 9103 -56.9 -61.5 56 4.6 -57.0 280 39 307.8 307.8 284.5 307.9 0.03 22 251 10025 -62.3 -66.9 54 4.6 -62.3 280 44 313.1 313.1 286.5 313.2 0.02 23 250 10050 -62.3 -66.9 54 4.6 -62.3 280 44 313.4 313.4 286.6 313.5 0.02 24 221 10806 -65.1 -69.5 54 4.4 -65.1 290 50 320.4 320.4 288.9 320.4 0.01 25 219 10861 -65.1 -69.5 54 4.4 -65.1 290 49 321.2 321.2 289.1 321.3 0.01 26 211 11089 -62.7 -67.4 53 4.7 -62.7 290 44 328.4 328.4 291.3 328.5 0.02 27 200 11420 -61.1 -65.5 56 4.4 -61.2 290 38 336.0 336.0 293.3 336.1 0.03 28 170 12439 -56.9 -61.6 55 4.7 -57.0 293 28 359.0 359.0 298.5 359.2 0.06 29 150 13230 -57.5 -62.4 54 4.9 -57.6 295 21 371.0 371.0 300.8 371.3 0.06 30 140 13665 -59.1 -64.0 53 4.9 -59.2 298 20 375.6 375.6 301.6 375.8 0.05 31 100 15780 -58.9 -64.9 46 6.0 -59.1 310 13 413.9 413.9 307.0 414.2 0.06 32 70 18020 -59.7 -65.7 45 6.0 -59.9 315 9 456.7 456.7 311.5 457.1 0.08 33 50 20120 -59.3 -66.3 40 7.0 -59.7 305 9 503.7 503.8 315.2 504.4 0.10 34 32 22923 -58.7 -66.7 35 8.0 -59.3 318 14 573.9 574.0 319.4 575.0 0.15 35 30 23330 -57.5 -65.5 35 8.0 -58.3 320 15 587.9 588.0 320.1 589.3 0.19 36 20 25920 -53.5 -63.5 28 10.0 -55.3 330 9 672.4 672.6 323.6 675.5 0.37 37 12 29250 -49.9 -60.9 26 11.0 -53.4 264 27 790.9 791.4 327.3 799.6 0.88 38 10 30460 -44.9 -57.9 22 13.0 -50.6 240 33 851.9 852.7 328.8 868.2 1.54 39 8.5 31549 -43.7 -57.7 20 14.0 -50.5 897.2 898.2 329.8 917.9 1.86 TRP 221 10806 -65.1 -69.5 54 4.4 -65.1 290 50 320.4 320.4 288.9 320.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5269.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 50.84 % Est. max temperature: 8.33 C = 46.99 F Sfc-Lift cond lev (LCL): 947.28 mb = 641.23 m = 2103.74 ft T: -2.85 C 700-500 lapse rate: 6.94 C/km ThetaE index: 0.55 C Layer 806.0- 803.0 mb Conv cond level (CCL): 675.43 mb = 3271.82 m = 10734.18 ft Mean mixing ratio: 1.80 g/kg Conv temperature: 16.96 C = 62.54 F Cap Strength: 12.88 C Lifted Index: 14.20 C Risk: None Lifted Index @300 mb: 20.30 C Lifted Index @700 mb: 10.07 C Showalter Index: 8.46 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 18.00 C K Index: 5.10 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 2.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.94 J/kg Max Up Vert Vel: 7.74 m/s Conv Inhibition (B-): 70081.98 J/kg Cap Strength: 14.16 C Lift Cond Lev (LCL): 851.37 mb = 1487.22 m = 4879.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 21 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 110 230 1 0.8 0.6 | 130 21 -15.7 13.3 1 1000 211 250 5 4.7 1.7 | 141 19 -11.8 14.4 2 925 830 280 15 14.8 -2.6 | 170 10 -1.7 10.0 3 850 1500 280 19 18.7 -3.3 | 194 10 2.3 9.3 4 700 3000 280 29 28.6 -5.0 | 238 14 12.1 7.6 5 500 5480 275 40 39.8 -3.5 | 249 25 23.4 9.2 6 400 7020 280 38 37.4 -6.6 | 254 22 21.0 6.0 7 300 8910 280 38 37.4 -6.6 | 254 22 21.0 6.0 8 250 10050 280 44 43.3 -7.6 | 259 27 26.9 5.0 9 221 10806 290 50 47.0 -17.1 | 278 31 30.5 -4.5 10 200 11420 290 38 35.7 -13.0 | 271 19 19.2 -0.4 11 150 13230 295 21 19.0 -8.9 | 214 5 2.6 3.8 12 100 15780 310 13 10.0 -8.4 | 123 8 -6.5 4.3 13 70 18020 315 9 6.4 -6.4 | 122 12 -10.1 6.3 14 50 20120 305 9 7.4 -5.2 | 129 12 -9.1 7.5 15 30 23330 320 15 9.6 -11.5 | 100 7 -6.8 1.2 16 20 25920 330 9 4.5 -7.8 | 112 13 -12.0 4.9 17 10 30460 240 33 28.6 16.5 | 203 32 12.1 29.1 Wind Parameters Mean winds (0-6000m): 277.5 at 27.7 knts Storm direction: 307.5 at 20.8 knts Shear (0-3000m) pos: 2.8 neg: 2.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 108.5 deg Storm rel helicity (0-3000m) pos: 84.6 neg: 0.0 tot: 84.6 m^2/s^2 ave: 28.2 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.52 Bulk Shear: 57.70 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 7 145 17| 11.0 0.0 11.0| 40.2 0.0 40.2 80.5 0.78| 11.4 8.9 1000 275 11 154 13| 8.3 0.0 8.3| 52.3 0.0 52.3 52.3 0.75| 8.8 6.5 1500 277 13 163 11| 5.5 1.0 6.6| 60.1 0.0 60.1 40.1 0.78| 6.9 5.4 2000 278 15 173 11| 4.1 1.6 5.8| 68.6 0.0 68.6 34.3 0.81| 6.0 4.9 2500 279 17 183 10| 3.3 2.0 5.3| 77.0 0.0 77.0 30.8 0.81| 5.5 4.5 3000 279 19 194 10| 2.8 2.2 4.9| 84.6 0.0 84.6 28.2 0.80| 5.1 4.1 4000 279 22 211 11| 2.1 2.2 4.3| 92.3 0.0 92.3 23.1 0.74| 4.4 3.3 5000 278 25 223 12| 1.7 2.2 3.9| 98.6 0.0 98.6 19.7 0.68| 4.0 2.7 6000 278 28 231 14| 1.3 2.0 3.3|106.3 0.0 106.3 17.7 0.66| 3.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251022.12.gif