UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 21 OCT 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 -23 335 11 SFC 995 18 3.6 0.6 81 3.0 2.3 335 11 277.1 277.8 275.7 288.1 4.01 2 982 124 3.0 -5.0 56 8.0 -0.0 333 11 277.6 278.0 274.0 285.1 2.68 3 925 604 -1.5 -7.5 64 6.0 -3.6 325 13 277.8 278.2 273.6 284.4 2.35 4 850 1269 -7.7 -10.9 78 3.2 -8.7 305 15 278.1 278.4 273.2 283.6 1.95 5 839 1370 -8.7 -12.0 77 3.3 -9.6 303 15 278.1 278.4 273.0 283.2 1.81 6 778 1952 -11.5 -21.5 43 10.0 -13.6 291 16 281.1 281.3 273.3 283.8 0.88 7 700 2753 -17.3 -29.3 34 12.0 -19.1 275 17 283.3 283.4 273.9 284.8 0.48 8 636 3463 -22.3 -35.3 30 13.0 -23.8 254 19 285.5 285.6 274.8 286.5 0.30 9 620 3649 -22.9 -35.9 29 13.0 -24.4 248 19 286.9 287.0 275.5 287.8 0.29 10 525 4840 -33.5 -39.5 55 6.0 -34.0 211 22 288.1 288.2 276.1 288.9 0.24 11 500 5180 -36.7 -42.7 54 6.0 -37.1 200 23 288.3 288.3 276.1 288.9 0.18 12 405 6599 -48.3 -53.3 56 5.0 -48.4 195 21 291.2 291.2 277.4 291.4 0.07 13 400 6680 -48.7 -53.7 56 5.0 -48.8 195 21 291.7 291.7 277.6 291.9 0.06 14 334 7856 -55.3 -59.8 57 4.5 -55.4 210 15 298.1 298.1 280.6 298.2 0.04 15 300 8550 -52.5 -57.2 57 4.7 -52.6 235 17 311.3 311.4 285.9 311.6 0.06 16 281 8971 -50.7 -55.4 57 4.7 -50.8 242 18 319.8 319.8 288.8 320.1 0.07 17 250 9730 -49.5 -55.5 49 6.0 -49.7 255 21 332.5 332.5 292.4 332.8 0.08 18 235 10137 -48.1 -55.1 44 7.0 -48.4 258 20 340.5 340.5 294.6 340.9 0.09 19 200 11200 -48.7 -58.7 30 10.0 -49.1 265 17 355.7 355.7 297.9 356.0 0.07 20 150 13090 -49.3 -64.3 16 15.0 -49.9 260 17 385.1 385.1 303.1 385.3 0.04 21 147 13222 -48.9 -63.9 16 15.0 -49.5 260 17 388.0 388.1 303.5 388.3 0.05 22 100 15720 -53.7 -71.7 9 18.0 -54.3 270 19 424.0 424.0 308.2 424.1 0.02 23 70 17990 -59.7 -78.7 7 19.0 -60.1 265 17 456.7 456.7 311.5 456.7 0.01 24 50 20070 -64.1 -83.1 6 19.0 -64.4 245 15 492.4 492.4 314.4 492.5 0.01 25 49 20194 -64.1 -83.1 6 19.0 -64.4 244 15 495.3 495.3 314.6 495.3 0.01 26 39 21589 -66.3 -85.3 5 19.0 -66.6 238 19 523.1 523.1 316.5 523.2 0.01 27 30 23180 -66.9 -85.9 5 19.0 -67.3 230 23 562.3 562.3 318.8 562.3 0.01 28 28 23600 -66.3 -85.3 5 19.0 -66.7 228 23 575.1 575.1 319.4 575.2 0.01 29 20 25640 -68.5 -87.5 5 19.0 -68.9 220 21 626.5 626.5 321.7 626.6 0.01 30 15 27375 -66.3 -85.3 5 19.0 -67.1 226 22 687.5 687.5 324.0 687.7 0.02 31 10 29830 -66.7 -85.7 5 19.0 -67.8 235 23 770.6 770.6 326.5 770.8 0.03 TRP 334 7856 -55.3 -59.8 57 4.5 -55.4 210 15 298.1 298.1 280.6 298.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5203.00 m Freezing level: 944.00 mb = 444.05 m = 1456.85 ft Wetbulb zero: 982.22 mb = 122.38 m = 401.51 ft Precipitable water: 0.24 inches Sfc-500 mean rel hum: 48.79 % Est. max temperature: 4.53 C = 40.15 F Sfc-Lift cond lev (LCL): 949.86 mb = 391.16 m = 1283.32 ft T: 0.50 C 700-500 lapse rate: 7.99 C/km ThetaE index: 4.90 C Layer 982.0- 778.0 mb Conv cond level (CCL): 851.46 mb = 1255.46 m = 4118.91 ft Mean mixing ratio: 2.54 g/kg Conv temperature: 4.53 C = 40.15 F Cap Strength: 3.68 C Lifted Index: 3.48 C Risk: None Lifted Index @300 mb: 18.85 C Lifted Index @700 mb: 1.84 C Showalter Index: 4.35 C Risk: None Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.00 C Cross Totals Index: 25.80 C K Index: 6.10 Risk: None Sweat Index: 169.00 Risk: None Energy Index: 1.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.43 J/kg Max Up Vert Vel: 1.69 m/s Conv Inhibition (B-): 56436.97 J/kg Cap Strength: 3.70 C Lift Cond Lev (LCL): 856.22 mb = 1211.64 m = 3975.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 14 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 ---------------------------------------------------------- 0 995 18 335 11 4.6 -10.0 | 49 12 -8.7 -7.7 1 925 604 325 13 7.5 -10.6 | 35 10 -5.9 -8.3 2 850 1269 305 15 12.3 -8.6 | 9 6 -1.0 -6.3 3 700 2753 275 17 16.9 -1.5 | 257 4 3.6 0.8 4 500 5180 200 23 7.9 21.6 | 167 25 -5.5 23.9 5 400 6680 195 21 5.4 20.3 | 161 24 -7.9 22.6 6 334 7856 210 15 7.5 13.0 | 159 16 -5.8 15.3 7 300 8550 235 17 13.9 9.8 | 183 12 0.6 12.1 8 250 9730 255 21 20.3 5.4 | 222 10 6.9 7.7 9 200 11200 265 17 16.9 1.5 | 224 5 3.6 3.8 10 150 13090 260 17 16.7 3.0 | 213 6 3.4 5.3 11 100 15720 270 19 19.0 -0.0 | 248 6 5.7 2.3 12 70 17990 265 17 16.9 1.5 | 224 5 3.6 3.8 13 50 20070 245 15 13.6 6.3 | 182 9 0.3 8.6 14 30 23180 230 23 17.6 14.8 | 194 18 4.3 17.1 15 20 25640 220 21 13.5 16.1 | 181 18 0.2 18.4 16 10 29830 235 23 18.8 13.2 | 200 16 5.5 15.5 Wind Parameters Mean winds (0-6000m): 249.8 at 18.0 knts Storm direction: 279.8 at 13.5 knts Shear (0-3000m) pos: 0.0 neg: 2.9 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): -176.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -25.1 tot: -25.1 m^2/s^2 ave: -8.4 10^-3 m/s^2 rel: -0.80 Storm rel vorticity (0-3000m) horiz: 3.3 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 52.33 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 ------------------------------------------------------------------------------- 500 330 12 43 11| 0.0 2.5 2.5| 0.0 -6.3 -6.3 -12.6 -0.88| 2.5 -2.2 1000 325 13 37 10| 0.0 3.0 3.0| 0.0 -12.6 -12.6 -12.6 -0.78| 3.1 -2.4 1500 317 13 29 9| 0.0 3.1 3.1| 0.0 -16.7 -16.7 -11.1 -0.74| 3.3 -2.4 2000 311 14 22 7| 0.0 2.9 2.9| 0.0 -19.3 -19.3 -9.6 -0.75| 3.2 -2.4 2500 305 14 14 6| 0.0 2.8 2.8| 0.0 -21.7 -21.7 -8.7 -0.79| 3.2 -2.5 3000 299 15 3 5| 0.0 2.9 2.9| 0.0 -25.1 -25.1 -8.4 -0.80| 3.3 -2.6 4000 284 16 309 3| 0.0 3.1 3.1| 0.0 -40.3 -40.3 -10.1 -0.72| 3.8 -2.8 5000 267 17 230 5| 0.0 3.2 3.2| 0.0 -77.3 -77.3 -15.5 -0.69| 4.3 -3.0 6000 250 18 203 9| 0.0 2.7 2.7| 0.0 -96.2 -96.2 -16.0 -0.70| 3.9 -2.7 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251021.00.gif