UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 19 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 1006 4 4.6 0.8 76 3.8 2.9 250 17 277.3 278.0 275.8 288.3 4.02 1 1000 53 4.2 -0.1 74 4.3 2.4 245 21 277.4 278.0 275.5 287.8 3.79 2 925 680 -1.5 -5.1 76 3.6 -2.9 245 23 277.8 278.3 274.3 285.7 2.82 3 911 801 -2.5 -5.7 79 3.2 -3.7 245 24 278.0 278.4 274.3 285.6 2.74 4 893 960 -2.5 -5.7 79 3.2 -3.7 245 25 279.6 280.0 275.3 287.4 2.79 5 850 1349 -5.9 -10.3 71 4.4 -7.3 245 29 280.0 280.3 274.5 285.8 2.05 6 806 1763 -8.7 -11.4 81 2.7 -9.5 245 25 281.3 281.6 275.1 287.0 1.98 7 785 1968 -7.7 -12.4 69 4.7 -9.1 245 23 284.5 284.8 276.6 290.0 1.88 8 700 2848 -14.3 -17.7 75 3.4 -15.1 245 15 286.6 286.9 277.0 290.7 1.36 9 519 5046 -29.9 -33.7 69 3.8 -30.3 272 26 293.4 293.5 279.0 294.8 0.43 10 500 5310 -32.1 -35.6 71 3.5 -32.4 275 27 293.9 294.0 279.1 295.1 0.37 11 400 6840 -45.7 -49.2 68 3.5 -45.8 270 36 295.6 295.6 279.6 296.0 0.11 12 343 7849 -54.7 -58.3 64 3.6 -54.8 273 37 296.7 296.7 279.9 296.8 0.04 13 317 8351 -57.9 -61.6 62 3.7 -57.9 275 38 299.0 299.0 280.9 299.1 0.03 14 311 8472 -58.5 -62.3 61 3.8 -58.5 275 38 299.8 299.8 281.3 299.9 0.03 15 300 8700 -57.7 -61.4 63 3.7 -57.8 270 35 304.0 304.0 283.1 304.1 0.03 16 250 9860 -55.1 -59.1 61 4.0 -55.2 270 31 324.1 324.2 290.1 324.4 0.05 17 248 9911 -54.9 -58.9 61 4.0 -55.0 270 31 325.2 325.2 290.4 325.4 0.05 18 240 10120 -53.3 -57.5 60 4.2 -53.4 270 30 330.7 330.7 292.0 330.9 0.07 19 220 10682 -50.1 -54.7 58 4.6 -50.3 270 26 343.9 344.0 295.4 344.4 0.10 20 200 11300 -51.1 -57.1 49 6.0 -51.3 270 23 351.8 351.9 297.1 352.2 0.08 21 150 13180 -50.7 -59.7 34 9.0 -51.1 280 21 382.7 382.7 302.8 383.1 0.08 22 127 14256 -51.1 -62.1 26 11.0 -51.6 274 22 400.6 400.7 305.3 401.0 0.07 23 100 15790 -54.3 -67.3 19 13.0 -54.8 265 23 422.8 422.8 308.0 423.0 0.04 24 70 18050 -58.5 -73.5 13 15.0 -58.9 270 11 459.2 459.2 311.7 459.4 0.03 25 51 20027 -63.3 -78.3 11 15.0 -63.6 265 22 491.5 491.5 314.4 491.6 0.02 26 50 20150 -61.5 -76.5 12 15.0 -61.9 265 23 498.6 498.6 314.8 498.7 0.02 27 44 20937 -61.7 -76.7 12 15.0 -62.1 262 23 516.6 516.6 316.1 516.8 0.03 28 37 21996 -65.3 -80.3 11 15.0 -65.7 259 23 533.6 533.6 317.2 533.7 0.02 29 33 22695 -62.1 -78.1 10 16.0 -62.7 257 23 559.9 559.9 318.6 560.1 0.03 30 30 23280 -63.1 -79.1 10 16.0 -63.7 255 23 572.6 572.6 319.3 572.8 0.03 31 20 25760 -64.7 -80.7 9 16.0 -65.4 275 25 638.1 638.1 322.2 638.4 0.03 32 19 26072 -66.3 -82.3 9 16.0 -66.9 642.6 642.6 322.4 642.8 0.02 TRP 311 8472 -58.5 -62.3 61 3.8 -58.5 275 38 299.8 299.8 281.3 299.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5257.00 m Freezing level: 944.74 mb = 515.00 m = 1689.61 ft Wetbulb zero: 966.01 mb = 331.14 m = 1086.39 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 73.37 % Est. max temperature: 7.24 C = 45.03 F Sfc-Lift cond lev (LCL): 948.71 mb = 476.42 m = 1563.03 ft T: 0.35 C 700-500 lapse rate: 7.23 C/km ThetaE index: 2.69 C Layer 1000.0- 893.0 mb Conv cond level (CCL): 872.59 mb = 1142.08 m = 3746.94 ft Mean mixing ratio: 3.24 g/kg Conv temperature: 7.08 C = 44.75 F Cap Strength: 6.53 C Lifted Index: 6.70 C Risk: None Lifted Index @300 mb: 12.36 C Lifted Index @700 mb: 3.61 C Showalter Index: 7.28 C Risk: None Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 21.80 C K Index: 12.50 Risk: None Sweat Index: 172.50 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.98 J/kg Max Up Vert Vel: 1.99 m/s Conv Inhibition (B-): 50663.62 J/kg Cap Strength: 6.69 C Lift Cond Lev (LCL): 901.13 mb = 887.77 m = 2912.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 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 1006 4 250 17 16.0 5.8 | 178 11 -0.4 10.8 1 1000 53 245 21 19.0 8.9 | 191 14 2.7 13.8 2 925 680 245 23 20.8 9.7 | 197 15 4.5 14.7 3 850 1349 245 29 26.3 12.3 | 210 20 9.9 17.2 4 700 2848 245 15 13.6 6.3 | 166 12 -2.8 11.3 5 500 5310 275 27 26.9 -2.4 | 256 11 10.5 2.6 6 400 6840 270 36 36.0 -0.0 | 256 20 19.6 5.0 7 311 8472 275 38 37.9 -3.3 | 266 22 21.5 1.7 8 300 8700 270 35 35.0 -0.0 | 255 19 18.6 5.0 9 250 9860 270 31 31.0 -0.0 | 251 15 14.6 5.0 10 200 11300 270 23 23.0 -0.0 | 233 8 6.6 5.0 11 150 13180 280 21 20.7 -3.6 | 253 4 4.3 1.3 12 100 15790 265 23 22.9 2.0 | 223 10 6.5 7.0 13 70 18050 270 11 11.0 -0.0 | 133 7 -5.4 5.0 14 50 20150 265 23 22.9 2.0 | 223 10 6.5 7.0 15 30 23280 255 23 22.2 6.0 | 208 12 5.8 10.9 16 20 25760 275 25 24.9 -2.2 | 252 9 8.5 2.8 Wind Parameters Mean winds (0-6000m): 256.9 at 22.8 knts Storm direction: 286.9 at 17.1 knts Shear (0-3000m) pos: 0.4 neg: 0.3 tot: 0.8 10-3/s Storm rel Dir Shear (0-3000m): -7.4 deg Storm rel helicity (0-3000m) pos: 33.6 neg: -40.1 tot: -6.5 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.07 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.68 Bulk Shear: 2.92 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 ------------------------------------------------------------------------------- 500 245 21 192 14| 0.0 5.9 5.9| 13.3 0.0 13.3 26.7 0.68| 5.9 4.1 1000 245 23 196 15| 0.0 4.7 4.7| 23.8 0.0 23.8 23.8 0.69| 4.8 3.3 1500 245 24 200 16| 0.0 3.7 3.7| 32.0 -3.2 28.8 19.2 0.57| 4.5 2.6 2000 245 25 201 16| 0.0 1.6 1.6| 32.0 -17.3 14.7 7.3 0.24| 4.5 1.1 2500 245 24 199 16| 0.0 0.4 0.4| 32.0 -31.4 0.6 0.2 0.02| 4.6 0.1 3000 245 23 196 15| 0.4 0.3 0.8| 33.6 -40.1 -6.5 -2.2 -0.07| 4.4 -0.3 4000 247 21 194 14| 0.7 0.3 0.9| 50.1 -40.1 9.9 2.5 0.13| 4.1 0.5 5000 252 22 200 13| 1.3 0.2 1.5| 67.6 -40.1 27.5 5.5 0.28| 4.0 1.1 6000 257 23 210 12| 1.3 0.4 1.7| 74.0 -40.2 33.8 5.6 0.29| 3.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251019.00.gif