UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 17 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1016 69 2.6 -9.4 41 12.0 -1.4 130 3 274.5 274.8 270.9 279.7 1.84 1 1000 197 1.0 -10.0 44 11.0 -2.5 140 13 274.1 274.4 270.6 279.2 1.78 2 970 441 -0.7 -11.7 43 11.0 -4.0 161 18 274.8 275.1 270.8 279.4 1.61 3 958 541 0.2 -10.8 43 11.0 -3.3 170 20 276.7 277.0 272.1 281.7 1.75 4 933 755 4.8 -10.2 33 15.0 -0.5 189 24 283.5 283.8 276.2 289.0 1.88 5 925 825 4.2 -12.8 28 17.0 -1.4 195 25 283.6 283.9 275.7 288.1 1.54 6 877 1255 1.6 -18.4 21 20.0 -4.1 173 28 285.3 285.4 275.8 288.4 1.02 7 850 1507 2.4 -21.6 15 24.0 -4.1 160 29 288.7 288.8 277.2 291.1 0.80 8 809 1905 1.6 -21.4 16 23.0 -4.8 168 28 291.9 292.1 278.9 294.6 0.85 9 772 2281 0.0 -25.0 13 25.0 -6.4 175 27 294.1 294.2 279.7 296.2 0.65 10 765 2354 0.0 -22.0 17 22.0 -6.0 176 27 294.9 295.1 280.3 297.6 0.86 11 700 3056 -6.5 -16.5 45 10.0 -9.5 190 25 295.3 295.6 281.3 299.9 1.50 12 687 3202 -7.7 -16.7 48 9.0 -10.3 190 25 295.5 295.8 281.4 300.2 1.51 13 634 3819 -12.9 -19.9 56 7.0 -14.7 191 26 296.5 296.7 281.5 300.4 1.24 14 571 4612 -15.1 -18.8 73 3.7 -16.1 193 26 302.9 303.2 284.5 307.7 1.52 15 519 5325 -20.5 -24.1 73 3.6 -21.2 194 27 304.8 305.0 284.7 308.2 1.05 16 500 5600 -22.5 -25.9 74 3.4 -23.2 195 27 305.6 305.8 284.8 308.7 0.93 17 400 7200 -35.9 -38.9 74 3.0 -36.2 180 36 308.3 308.4 285.1 309.5 0.33 18 383 7499 -37.7 -40.7 73 3.0 -37.9 182 37 309.8 309.9 285.6 310.8 0.29 19 306 9010 -46.9 -49.9 71 3.0 -47.0 189 43 317.4 317.5 288.1 317.9 0.13 20 300 9140 -47.9 -51.0 70 3.1 -48.0 190 44 317.8 317.9 288.2 318.3 0.12 21 263 9997 -54.5 -57.7 68 3.2 -54.6 194 44 320.4 320.4 288.9 320.6 0.06 22 250 10320 -56.7 -59.9 67 3.2 -56.8 195 44 321.8 321.8 289.3 322.0 0.05 23 220 11126 -59.9 -63.2 65 3.3 -60.0 205 40 328.8 328.8 291.4 329.0 0.04 24 206 11536 -61.1 -64.4 65 3.3 -61.2 210 38 333.2 333.2 292.6 333.3 0.03 25 200 11720 -61.3 -64.6 65 3.3 -61.3 215 36 335.7 335.7 293.3 335.8 0.03 26 197 11814 -60.5 -63.8 65 3.3 -60.6 216 35 338.4 338.4 294.0 338.6 0.04 27 186 12172 -58.7 -62.1 65 3.4 -58.7 219 33 346.9 346.9 296.0 347.1 0.05 28 168 12813 -56.7 -60.1 65 3.4 -56.8 224 29 360.5 360.5 298.8 360.8 0.07 29 150 13530 -56.7 -60.2 64 3.5 -56.8 230 25 372.4 372.4 301.1 372.7 0.08 30 100 16080 -60.9 -64.6 61 3.7 -61.0 255 13 410.1 410.1 306.6 410.4 0.06 31 82 17315 -61.3 -65.1 61 3.8 -61.4 263 17 433.2 433.2 309.2 433.6 0.07 32 70 18300 -60.3 -64.2 60 3.9 -60.4 270 21 455.4 455.4 311.4 455.9 0.10 33 50 20390 -61.3 -65.3 59 4.0 -61.5 275 11 499.0 499.1 314.9 499.8 0.12 34 30 23540 -62.5 -66.7 57 4.2 -62.8 310 21 574.3 574.3 319.5 575.4 0.16 35 24 24923 -61.3 -65.6 57 4.3 -61.7 313 23 615.6 615.7 321.4 617.4 0.24 36 20 26060 -59.7 -64.1 56 4.4 -60.3 315 25 653.4 653.6 322.9 656.2 0.35 37 11 29857 -52.9 -57.8 55 4.9 -54.6 800.0 800.7 327.6 814.0 1.42 TRP 206 11536 -61.1 -64.4 65 3.3 -61.2 210 38 333.2 333.2 292.6 333.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5403.00 m Freezing level: 982.35 mb = 340.70 m = 1117.76 ft Freezing level: 960.67 mb = 518.82 m = 1702.14 ft Freezing level: 765.00 mb = 2353.99 m = 7722.98 ft Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 44.47 % Est. max temperature: 14.78 C = 58.61 F Sfc-Lift cond lev (LCL): 842.61 mb = 1577.33 m = 5174.90 ft T: 2.26 C 700-500 lapse rate: 6.29 C/km ThetaE index: 0.86 C Layer 925.0- 877.0 mb Conv cond level (CCL): 543.48 mb = 4981.24 m = 16342.47 ft Mean mixing ratio: 1.72 g/kg Conv temperature: 32.12 C = 89.82 F Cap Strength: 19.03 C Lifted Index: 19.37 C Risk: None Lifted Index @300 mb: 24.97 C Lifted Index @700 mb: 14.22 C Showalter Index: 12.87 C Risk: None Total Totals Index: 25.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 0.90 C K Index: -6.70 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 3.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.97 J/kg Max Up Vert Vel: 10.00 m/s Conv Inhibition (B-): 67149.85 J/kg Cap Strength: 19.31 C Lift Cond Lev (LCL): 792.15 mb = 2074.32 m = 6805.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 214 at 19 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 1016 69 130 3 -2.3 1.9 | 43 19 -13.1 -13.8 1 1000 197 140 13 -8.4 10.0 | 73 20 -19.1 -5.8 2 925 825 195 25 6.5 24.1 | 153 9 -4.3 8.4 3 850 1507 160 29 -9.9 27.3 | 119 24 -20.7 11.5 4 700 3056 190 25 4.3 24.6 | 144 11 -6.4 8.9 5 500 5600 195 27 7.0 26.1 | 160 11 -3.8 10.3 6 400 7200 180 36 0.0 36.0 | 152 23 -10.8 20.2 7 300 9140 190 44 7.6 43.3 | 174 28 -3.1 27.6 8 250 10320 195 44 11.4 42.5 | 181 27 0.6 26.7 9 206 11536 210 38 19.0 32.9 | 206 19 8.2 17.1 10 200 11720 215 36 20.6 29.5 | 216 17 9.9 13.7 11 150 13530 230 25 19.2 16.1 | 268 8 8.4 0.3 12 100 16080 255 13 12.6 3.4 | 352 13 1.8 -12.4 13 70 18300 270 21 21.0 -0.0 | 327 19 10.2 -15.8 14 50 20390 275 11 11.0 -1.0 | 359 17 0.2 -16.7 15 30 23540 310 21 16.1 -13.5 | 350 30 5.3 -29.3 16 20 26060 315 25 17.7 -17.7 | 348 34 6.9 -33.4 Wind Parameters Mean winds (0-6000m): 184.4 at 25.5 knts Storm direction: 214.4 at 19.1 knts Shear (0-3000m) pos: 4.7 neg: 1.8 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 100.7 deg Storm rel helicity (0-3000m) pos: 153.8 neg: -37.0 tot: 116.7 m^2/s^2 ave: 38.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 4.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.82 Bulk Shear: 27.42 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 ------------------------------------------------------------------------------- 500 157 14 81 17| 18.5 0.0 18.5| 96.0 0.0 96.0 192.0 0.93| 22.3 20.8 1000 179 19 107 12| 12.7 0.0 12.7|121.7 -8.1 113.6 113.6 0.73| 18.5 13.5 1500 174 22 116 14| 8.5 3.6 12.1|121.7 -37.0 84.7 56.5 0.44| 16.0 7.0 2000 172 24 118 16| 6.6 2.7 9.3|136.4 -37.0 99.4 49.7 0.45| 13.2 5.9 2500 173 24 121 16| 5.5 2.2 7.7|146.8 -37.0 109.8 43.9 0.45| 11.6 5.2 3000 174 25 123 16| 4.7 1.8 6.5|153.8 -37.0 116.7 38.9 0.45| 10.4 4.7 4000 179 25 128 14| 3.7 1.3 5.1|157.2 -37.0 120.1 30.0 0.46| 7.9 3.7 5000 182 25 133 14| 3.1 1.1 4.2|160.6 -37.0 123.6 24.7 0.47| 6.5 3.1 6000 184 25 137 13| 2.6 1.1 3.7|162.4 -38.1 124.3 20.7 0.45| 5.7 2.6 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251017.00.gif