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 U2271... Searching the city database file for: U2271 ... Date:0000Z 21 OCT 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1007 6 3.6 -0.9 72 4.5 1.7 250 11 276.2 276.8 274.5 285.9 3.55 1 1000 63 3.2 -1.8 70 5.0 1.2 250 13 276.4 276.9 274.3 285.6 3.35 2 925 688 -2.7 -6.9 73 4.2 -4.1 265 17 276.5 277.0 273.1 283.4 2.46 3 899 913 -4.9 -8.4 76 3.5 -6.0 272 19 276.5 276.9 272.8 282.9 2.25 4 897 931 -5.1 -8.5 77 3.4 -6.2 272 19 276.5 276.9 272.8 282.8 2.24 5 860 1261 -6.9 -13.9 57 7.0 -8.8 282 22 278.0 278.2 272.5 282.3 1.52 6 850 1352 -7.7 -14.7 57 7.0 -9.6 285 23 278.1 278.3 272.4 282.2 1.44 7 807 1753 -10.1 -18.1 52 8.0 -12.0 286 22 279.7 279.9 272.9 283.0 1.14 8 700 2829 -19.5 -26.5 54 7.0 -20.6 290 21 280.9 281.0 272.8 282.8 0.63 9 678 3065 -21.5 -28.5 53 7.0 -22.5 289 21 281.2 281.3 272.8 282.9 0.54 10 672 3130 -21.5 -28.5 53 7.0 -22.5 289 21 281.9 282.0 273.2 283.6 0.54 11 548 4600 -31.7 -44.7 27 13.0 -32.6 283 24 286.8 286.8 275.2 287.2 0.13 12 500 5240 -36.9 -48.9 28 12.0 -37.5 280 25 288.0 288.1 275.8 288.4 0.09 13 400 6750 -47.1 -57.1 31 10.0 -47.3 280 35 293.8 293.8 278.6 293.9 0.04 14 388 6952 -48.3 -58.3 31 10.0 -48.5 280 36 294.8 294.8 279.0 294.9 0.04 15 387 6969 -48.3 -58.3 31 10.0 -48.5 280 36 295.0 295.0 279.1 295.1 0.04 16 300 8650 -49.1 -59.1 30 10.0 -49.4 285 48 316.1 316.2 287.5 316.3 0.04 17 264 9485 -51.1 -62.1 26 11.0 -51.4 281 45 325.0 325.0 290.3 325.1 0.03 18 250 9840 -50.1 -62.1 23 12.0 -50.4 280 44 331.6 331.6 292.2 331.7 0.04 19 200 11300 -49.7 -63.7 18 14.0 -50.1 285 35 354.1 354.1 297.5 354.2 0.04 20 198 11366 -49.5 -63.5 18 14.0 -49.9 285 35 355.4 355.4 297.8 355.6 0.04 21 161 12705 -53.5 -69.5 13 16.0 -53.9 277 30 370.3 370.3 300.7 370.4 0.02 22 150 13160 -52.9 -68.9 13 16.0 -53.3 275 29 378.9 378.9 302.1 379.0 0.02 23 134 13890 -50.7 -67.7 12 17.0 -51.3 271 26 395.3 395.3 304.6 395.4 0.03 24 100 15780 -54.3 -73.3 8 19.0 -54.8 260 17 422.8 422.8 308.0 422.9 0.02 25 76 17525 -58.1 -77.1 7 19.0 -58.6 256 15 449.4 449.4 310.8 449.5 0.01 26 70 18040 -60.7 -78.7 8 18.0 -61.0 255 15 454.5 454.5 311.3 454.6 0.01 27 62 18787 -65.7 -83.7 6 18.0 -65.9 244 16 459.5 459.5 311.7 459.5 0.01 28 59 19090 -63.1 -82.1 6 19.0 -63.4 240 16 471.9 471.9 312.8 472.0 0.01 29 50 20100 -66.9 -84.9 6 18.0 -67.1 225 17 485.8 485.8 313.9 485.9 0.01 30 48 20346 -67.5 -85.5 6 18.0 -67.7 227 17 490.1 490.1 314.2 490.1 0.01 31 45 20739 -64.1 -83.1 6 19.0 -64.5 231 18 507.5 507.5 315.5 507.5 0.01 32 37 21928 -67.5 -85.5 6 18.0 -67.8 243 21 528.0 528.0 316.8 528.0 0.01 33 35 22265 -65.1 -83.1 7 18.0 -65.5 246 21 542.7 542.7 317.7 542.8 0.01 34 30 23200 -67.3 -85.3 6 18.0 -67.7 255 23 561.2 561.2 318.7 561.2 0.01 35 20 25650 -66.7 -84.7 6 18.0 -67.2 632.0 632.0 322.0 632.1 0.02 36 19 25960 -66.9 -84.9 6 18.0 -67.5 640.7 640.7 322.3 640.8 0.02 TRP 387 6969 -48.3 -58.3 31 10.0 -48.5 280 36 295.0 295.0 279.1 295.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5177.00 m Freezing level: 959.32 mb = 401.98 m = 1318.83 ft Wetbulb zero: 983.56 mb = 195.89 m = 642.68 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 49.99 % Est. max temperature: 5.42 C = 41.76 F Sfc-Lift cond lev (LCL): 939.27 mb = 565.28 m = 1854.56 ft T: -1.54 C 700-500 lapse rate: 7.22 C/km ThetaE index: 3.72 C Layer 1000.0- 807.0 mb Conv cond level (CCL): 886.88 mb = 1019.63 m = 3345.20 ft Mean mixing ratio: 2.84 g/kg Conv temperature: 4.31 C = 39.76 F Cap Strength: 3.03 C Lifted Index: 3.63 C Risk: None Lifted Index @300 mb: 22.57 C Lifted Index @700 mb: -0.01 C Showalter Index: 5.27 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.20 C Cross Totals Index: 22.20 C K Index: 7.50 Risk: None Sweat Index: 119.00 Risk: None Energy Index: 1.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.63 J/kg Max Up Vert Vel: 1.12 m/s Conv Inhibition (B-): 38.61 J/kg Cap Strength: 3.60 C Lift Cond Lev (LCL): 892.85 mb = 967.09 m = 3172.83 ft Lev Free Conv (LFC): 687.85 mb = 2958.26 m = 9705.45 ft Equ Level (EL): 677.85 mb = 3066.37 m = 10060.13 ft B at Equ Level: -0.13 J/kg Max Parcel Lev (MPL): 677.85 mb = 3066.37 m = 10060.13 ft Wind level data Storm motion: 312 at 17 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 1007 6 250 11 10.3 3.8 | 172 15 -2.0 14.9 1 1000 63 250 13 12.2 4.4 | 179 16 -0.2 15.6 2 925 688 265 17 16.9 1.5 | 200 13 4.6 12.6 3 850 1352 285 23 22.2 -6.0 | 242 11 9.8 5.2 4 700 2829 290 21 19.7 -7.2 | 242 8 7.4 3.9 5 500 5240 280 25 24.6 -4.3 | 241 14 12.2 6.8 6 400 6750 280 35 34.5 -6.1 | 257 23 22.1 5.0 7 387 6969 280 36 35.5 -6.3 | 258 24 23.1 4.9 8 300 8650 285 48 46.4 -12.4 | 272 34 34.0 -1.3 9 250 9840 280 44 43.3 -7.6 | 264 31 31.0 3.5 10 200 11300 285 35 33.8 -9.1 | 265 22 21.4 2.1 11 150 13160 275 29 28.9 -2.5 | 243 19 16.5 8.6 12 100 15780 260 17 16.7 3.0 | 197 15 4.4 14.1 13 70 18040 255 15 14.5 3.9 | 188 15 2.1 15.0 14 50 20100 225 17 12.0 12.0 | 179 23 -0.4 23.1 15 30 23200 255 23 22.2 6.0 | 210 20 9.8 17.1 Wind Parameters Mean winds (0-6000m): 281.9 at 22.2 knts Storm direction: 311.9 at 16.6 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 69.9 deg Storm rel helicity (0-3000m) pos: 56.0 neg: -0.2 tot: 55.8 m^2/s^2 ave: 18.6 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 17.35 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 ------------------------------------------------------------------------------- 500 255 14 185 15| 5.6 0.0 5.6| 21.8 0.0 21.8 43.6 0.95| 6.0 5.7 1000 262 16 194 14| 5.6 0.0 5.6| 41.0 0.0 41.0 41.0 0.94| 6.0 5.7 1500 271 18 207 12| 5.2 0.0 5.2| 55.9 0.0 55.9 37.2 0.94| 5.8 5.5 2000 275 19 215 11| 3.8 0.0 3.8| 55.9 -0.0 55.9 27.9 0.89| 4.6 4.1 2500 278 20 220 11| 3.0 0.0 3.0| 55.9 -0.1 55.8 22.3 0.85| 3.9 3.3 3000 280 20 224 10| 2.5 0.0 2.5| 56.0 -0.2 55.8 18.6 0.81| 3.4 2.7 4000 282 20 228 10| 1.9 0.3 2.2| 56.1 -0.2 55.8 14.0 0.72| 2.8 2.1 5000 282 21 232 11| 1.5 0.5 2.0| 56.1 -0.9 55.2 11.0 0.65| 2.5 1.6 6000 282 22 235 11| 1.2 0.8 2.1| 67.8 -1.2 66.7 11.1 0.62| 2.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251021.00.gif