UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 14 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 1014 113 -8.9 -11.1 84 2.2 -9.5 250 3 263.2 263.5 262.9 267.5 1.61 1 1000 221 -7.9 -11.6 75 3.7 -8.9 280 7 265.2 265.5 264.3 269.5 1.57 2 991 291 -6.9 -10.4 76 3.5 -7.9 286 8 266.9 267.2 265.8 271.7 1.74 3 925 826 -10.1 -13.1 79 3.0 -10.8 330 19 269.0 269.2 266.8 273.1 1.50 4 921 859 -10.3 -13.2 79 2.9 -11.0 332 19 269.1 269.4 266.8 273.3 1.50 5 897 1065 -5.3 -9.3 73 4.0 -6.5 346 18 276.3 276.7 272.4 282.2 2.10 6 850 1487 -5.7 -7.0 91 1.3 -6.1 15 15 280.2 280.6 275.5 287.7 2.66 7 844 1543 -5.5 -6.7 91 1.2 -5.9 16 15 281.0 281.4 276.0 288.7 2.74 8 700 2985 -15.1 -17.5 82 2.4 -15.7 55 25 285.8 286.0 276.6 289.9 1.38 9 680 3204 -16.3 -18.4 84 2.1 -16.8 53 24 286.8 287.0 277.0 290.8 1.32 10 676 3248 -15.7 -17.9 83 2.2 -16.2 53 24 288.0 288.2 277.7 292.1 1.38 11 669 3327 -15.3 -18.2 78 2.9 -16.0 52 23 289.3 289.5 278.3 293.4 1.36 12 607 4059 -17.9 -27.9 41 10.0 -19.7 47 20 294.4 294.5 279.8 296.5 0.63 13 604 4096 -18.1 -28.1 41 10.0 -19.8 46 20 294.6 294.7 279.8 296.6 0.63 14 526 5114 -25.9 -30.9 63 5.0 -26.6 38 15 297.1 297.2 280.8 298.9 0.55 15 514 5281 -26.5 -31.4 63 4.9 -27.2 37 14 298.4 298.5 281.4 300.1 0.54 16 500 5480 -27.9 -33.9 56 6.0 -28.6 35 13 299.0 299.1 281.5 300.5 0.43 17 445 6309 -32.7 -44.7 29 12.0 -33.6 43 15 303.1 303.1 282.8 303.7 0.16 18 434 6484 -34.1 -46.1 29 12.0 -34.9 45 16 303.5 303.5 283.0 304.0 0.14 19 400 7050 -38.7 -49.7 30 11.0 -39.2 50 17 304.7 304.7 283.4 305.1 0.10 20 300 8960 -54.1 -62.1 37 8.0 -54.2 45 15 309.1 309.1 285.0 309.2 0.03 21 286 9263 -56.7 -63.7 41 7.0 -56.8 46 16 309.6 309.6 285.2 309.7 0.03 22 256 9954 -61.3 -68.3 39 7.0 -61.4 49 17 312.8 312.8 286.4 312.9 0.02 23 250 10100 -61.9 -68.9 39 7.0 -62.0 50 17 314.0 314.0 286.8 314.1 0.01 24 243 10275 -62.9 -69.9 38 7.0 -63.0 45 17 315.1 315.1 287.1 315.2 0.01 25 229 10640 -62.9 -69.9 38 7.0 -63.0 47 15 320.5 320.5 288.9 320.6 0.01 26 200 11480 -59.5 -65.5 46 6.0 -59.6 50 11 338.5 338.5 294.0 338.7 0.03 27 190 11802 -59.1 -65.1 46 6.0 -59.2 50 11 344.2 344.2 295.4 344.3 0.03 28 169 12538 -59.3 -65.3 46 6.0 -59.4 50 11 355.6 355.6 297.8 355.7 0.03 29 150 13290 -57.7 -64.7 40 7.0 -57.9 50 11 370.7 370.7 300.7 370.9 0.04 30 106 15489 -55.3 -64.3 32 9.0 -55.6 24 6 413.9 413.9 307.0 414.2 0.06 31 100 15860 -55.7 -64.7 32 9.0 -56.1 20 5 420.1 420.1 307.7 420.4 0.06 32 70 18120 -55.7 -67.7 21 12.0 -56.2 210 3 465.2 465.2 312.3 465.6 0.06 33 50 20260 -56.3 -69.3 18 13.0 -57.1 85 1 510.8 510.8 315.7 511.2 0.07 34 48 20520 -56.3 -70.3 16 14.0 -57.1 96 2 516.8 516.8 316.1 517.2 0.06 35 30 23550 -51.1 -68.1 11 17.0 -53.2 220 15 605.3 605.4 320.9 606.3 0.13 36 20 26210 -47.7 -67.7 8 20.0 -51.5 215 21 690.2 690.3 324.1 692.0 0.21 37 15 28128 -42.9 -65.9 6 23.0 -49.4 217 23 765.3 765.5 326.4 768.8 0.36 38 10 30830 -47.9 -72.9 4 25.0 -54.0 220 25 840.7 840.8 328.2 842.8 0.20 39 9.4 31241 -44.7 -70.7 4 26.0 -52.5 867.9 868.1 328.8 871.1 0.29 40 7.2 33028 -43.9 -69.9 4 26.0 -53.1 940.0 940.2 330.2 945.0 0.43 TRP 243 10275 -62.9 -69.9 38 7.0 -63.0 45 17 315.1 315.1 287.1 315.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5259.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 71.81 % Est. max temperature: 6.96 C = 44.52 F Sfc-Lift cond lev (LCL): 978.86 mb = 387.05 m = 1269.84 ft T: -7.47 C 700-500 lapse rate: 5.13 C/km ThetaE index: 0.00 C Layer 1014.0-166057796923399653706080487429850005504.0 mb Conv cond level (CCL): 686.88 mb = 3127.90 m = 10262.01 ft Mean mixing ratio: 1.61 g/kg Conv temperature: 14.44 C = 57.98 F Cap Strength: 22.11 C Lifted Index: 22.41 C Risk: None Lifted Index @300 mb: 26.33 C Lifted Index @700 mb: 13.83 C Showalter Index: 10.05 C Risk: None Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 20.90 C K Index: 12.80 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.77 J/kg Max Up Vert Vel: 5.79 m/s Conv Inhibition (B-): 70567.60 J/kg Cap Strength: 22.33 C Lift Cond Lev (LCL): 914.43 mb = 915.09 m = 3002.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 65 at 13 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 1014 113 250 3 2.8 1.0 | 246 16 14.8 6.7 1 1000 221 280 7 6.9 -1.2 | 257 19 18.8 4.5 2 925 826 330 19 9.5 -16.5 | 297 24 21.5 -10.8 3 850 1487 15 15 -3.9 -14.5 | 318 12 8.1 -8.8 4 700 2985 55 25 -20.5 -14.3 | 45 12 -8.5 -8.7 5 500 5480 35 13 -7.5 -10.6 | 318 7 4.5 -5.0 6 400 7050 50 17 -13.0 -10.9 | 12 5 -1.1 -5.3 7 300 8960 45 15 -10.6 -10.6 | 345 5 1.3 -4.9 8 250 10100 50 17 -13.0 -10.9 | 12 5 -1.1 -5.3 9 243 10275 45 17 -12.0 -12.0 | 1 6 -0.1 -6.3 10 200 11480 50 11 -8.4 -7.1 | 292 4 3.5 -1.4 11 150 13290 50 11 -8.4 -7.1 | 292 4 3.5 -1.4 12 100 15860 20 5 -1.7 -4.7 | 265 10 10.2 1.0 13 70 18120 210 3 1.5 2.6 | 238 16 13.5 8.3 14 50 20260 85 1 -1.0 -0.1 | 243 12 11.0 5.6 15 30 23550 220 15 9.6 11.5 | 232 28 21.6 17.2 16 20 26210 215 21 12.0 17.2 | 226 33 24.0 22.9 17 10 30830 220 25 16.1 19.2 | 228 37 28.0 24.8 Wind Parameters Mean winds (0-6000m): 34.6 at 17.6 knts Storm direction: 64.6 at 13.2 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 156.3 deg Storm rel helicity (0-3000m) pos: 193.0 neg: -1.4 tot: 191.7 m^2/s^2 ave: 63.9 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 7.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.29 Bulk Shear: 57.99 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 ------------------------------------------------------------------------------- 500 299 10 267 20| 14.0 0.0 14.0| 68.2 0.0 68.2 136.3 0.85| 15.1 12.9 1000 324 14 285 21| 9.3 0.0 9.3|131.2 0.0 131.2 131.2 0.83| 14.2 11.8 1500 338 14 294 19| 6.1 0.0 6.1|147.2 0.0 147.2 98.1 0.75| 12.4 9.3 2000 353 15 304 17| 5.6 0.0 5.6|162.5 0.0 162.5 81.3 0.78| 10.7 8.3 2500 6 16 316 15| 5.2 0.0 5.2|179.3 0.0 179.3 71.7 0.80| 9.8 7.9 3000 19 18 330 13| 4.7 0.0 4.7|193.0 -1.4 191.7 63.9 0.80| 9.0 7.2 4000 30 19 345 11| 3.5 0.7 4.2|193.0 -13.1 179.9 45.0 0.65| 7.5 4.8 5000 33 18 349 10| 2.8 1.1 3.9|193.0 -22.8 170.2 34.0 0.51| 6.6 3.4 6000 35 18 348 9| 2.5 1.1 3.5|196.1 -26.0 170.1 28.4 0.48| 5.8 2.8 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251014.12.gif