UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 28 APR 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 5 -5.5 -6.9 90 1.4 -6.0 70 1 267.1 267.5 266.8 273.2 2.26 1 1000 60 -4.5 -6.0 89 1.5 -5.0 20 3 268.6 269.0 268.2 275.2 2.44 2 994 107 -3.5 -5.1 89 1.6 -4.0 13 4 270.1 270.5 269.4 277.2 2.63 3 925 671 -7.9 -9.5 88 1.6 -8.4 290 17 271.2 271.6 269.1 276.8 2.01 4 869 1152 -11.7 -15.6 73 3.9 -12.6 301 21 272.2 272.4 268.5 275.8 1.30 5 850 1321 -13.3 -17.2 72 3.9 -14.2 305 23 272.2 272.4 268.4 275.5 1.17 6 738 2379 -21.1 -24.8 72 3.7 -21.7 290 27 274.9 275.0 269.3 277.0 0.69 7 700 2766 -25.1 -28.5 73 3.4 -25.5 285 29 274.7 274.8 268.8 276.2 0.52 8 630 3520 -31.9 -33.8 83 1.9 -32.1 288 34 275.3 275.4 268.9 276.4 0.35 9 602 3840 -33.7 -35.1 87 1.4 -33.8 289 36 276.9 276.9 269.8 277.8 0.32 10 514 4932 -40.3 -45.0 61 4.7 -40.5 294 43 281.7 281.7 272.3 282.1 0.13 11 500 5120 -40.9 -45.9 58 5.0 -41.1 295 44 283.2 283.2 273.2 283.6 0.13 12 400 6630 -44.5 -52.5 41 8.0 -44.7 300 50 297.2 297.2 280.2 297.4 0.07 13 390 6799 -44.9 -52.9 40 8.0 -45.2 295 48 298.8 298.8 280.9 299.1 0.07 14 335 7813 -45.1 -55.1 32 10.0 -45.4 295 39 311.8 311.8 286.1 312.0 0.06 15 320 8118 -45.5 -55.5 32 10.0 -45.9 295 37 315.4 315.4 287.3 315.6 0.06 16 300 8550 -43.5 -54.5 29 11.0 -44.0 295 33 324.0 324.1 290.1 324.4 0.08 17 291 8756 -42.9 -53.9 29 11.0 -43.4 296 31 327.7 327.8 291.2 328.1 0.09 18 250 9780 -43.7 -56.7 22 13.0 -44.3 300 19 341.1 341.1 294.7 341.4 0.07 19 200 11280 -44.3 -58.3 20 14.0 -45.0 280 21 362.6 362.6 299.2 362.9 0.07 20 187 11727 -45.3 -59.3 19 14.0 -46.0 275 19 368.0 368.1 300.2 368.4 0.07 21 178 12055 -44.3 -59.3 17 15.0 -45.1 272 18 374.9 374.9 301.5 375.2 0.07 22 162 12680 -46.7 -61.7 17 15.0 -47.4 265 15 381.1 381.1 302.5 381.4 0.06 23 153 13059 -45.3 -60.3 17 15.0 -46.2 261 14 389.8 389.8 303.8 390.1 0.07 24 150 13190 -46.1 -61.1 17 15.0 -46.9 260 13 390.6 390.6 303.9 391.0 0.07 25 146 13370 -47.1 -62.1 16 15.0 -47.9 259 13 391.9 391.9 304.1 392.2 0.06 26 100 15870 -49.3 -65.3 14 16.0 -50.2 250 13 432.5 432.5 309.1 432.8 0.06 27 70 18190 -51.1 -67.1 13 16.0 -52.1 235 11 475.1 475.1 313.1 475.5 0.07 28 66 18573 -51.7 -67.7 13 16.0 -52.7 231 11 481.8 481.8 313.6 482.2 0.06 29 58 19415 -50.1 -66.1 14 16.0 -51.4 221 11 503.6 503.6 315.2 504.1 0.09 30 50 20380 -52.9 -68.9 13 16.0 -54.0 210 11 518.8 518.8 316.2 519.3 0.07 31 45 21064 -50.7 -67.7 12 17.0 -52.2 205 12 540.0 540.1 317.6 540.7 0.09 32 37 22332 -53.9 -69.9 12 16.0 -55.2 195 15 562.9 562.9 318.8 563.5 0.08 33 30 23680 -54.1 -70.1 12 16.0 -55.6 185 17 597.2 597.2 320.5 597.9 0.10 34 24 25109 -53.9 -69.9 12 16.0 -55.8 160 20 637.1 637.1 322.2 638.1 0.13 35 21 25972 -50.1 -67.1 12 17.0 -53.0 145 22 673.4 673.5 323.6 675.2 0.22 36 20 26290 -50.7 -67.7 12 17.0 -53.6 140 23 681.0 681.1 323.9 682.8 0.21 37 18 26977 -50.7 -67.7 12 17.0 -53.8 701.8 701.9 324.6 703.9 0.23 38 16 27751 -46.7 -64.7 11 18.0 -51.3 738.9 739.1 325.7 742.6 0.40 39 15 28177 -48.3 -65.3 12 17.0 -52.5 747.4 747.5 326.0 751.0 0.39 40 12 29667 -42.3 -60.3 12 18.0 -49.3 817.9 818.3 327.9 827.5 0.95 TRP 390 6799 -44.9 -52.9 40 8.0 -45.2 295 48 298.8 298.8 280.9 299.1 0.07 WND Sounding variables and indices 1000-500 mb thick: 5060.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 76.61 % Est. max temperature: -0.41 C = 31.26 F Sfc-Lift cond lev (LCL): 984.76 mb = 180.63 m = 592.60 ft T: -4.07 C 700-500 lapse rate: 6.71 C/km ThetaE index: 1.70 C Layer 925.0- 738.0 mb Conv cond level (CCL): 921.83 mb = 697.48 m = 2288.28 ft Mean mixing ratio: 2.25 g/kg Conv temperature: -1.32 C = 29.62 F Cap Strength: 4.50 C Lifted Index: 5.60 C Risk: None Lifted Index @300 mb: 33.59 C Lifted Index @700 mb: 0.08 C Showalter Index: 6.54 C Risk: None Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 23.70 C K Index: 7.00 Risk: None Sweat Index: 136.00 Risk: None Energy Index: 1.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.98 J/kg Max Up Vert Vel: 4.00 m/s Conv Inhibition (B-): 32.77 J/kg Cap Strength: 5.41 C Lift Cond Lev (LCL): 932.36 mb = 608.95 m = 1997.86 ft Lev Free Conv (LFC): 667.36 mb = 3107.86 m = 10196.27 ft Equ Level (EL): 627.36 mb = 3549.79 m = 11646.14 ft B at Equ Level: 7.60 J/kg Max Parcel Lev (MPL): 597.36 mb = 3893.46 m = 12773.67 ft Wind level data Storm motion: 324 at 23 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 5 70 1 -0.9 -0.3 | 141 24 -14.7 18.3 1 1000 60 20 3 -1.0 -2.8 | 137 22 -14.8 15.9 2 925 671 290 17 16.0 -5.8 | 190 13 2.2 12.9 3 850 1321 305 23 18.8 -13.2 | 223 7 5.1 5.5 4 700 2766 285 29 28.0 -7.5 | 232 18 14.2 11.2 5 500 5120 295 44 39.9 -18.6 | 270 26 26.1 0.1 6 400 6630 300 50 43.3 -25.0 | 282 30 29.5 -6.3 7 390 6799 295 48 43.5 -20.3 | 273 30 29.7 -1.6 8 300 8550 295 33 29.9 -13.9 | 254 17 16.1 4.7 9 250 9780 300 19 16.5 -9.5 | 196 10 2.7 9.2 10 200 11280 280 21 20.7 -3.6 | 205 17 6.9 15.0 11 150 13190 260 13 12.8 2.3 | 177 21 -1.0 20.9 12 100 15870 250 13 12.2 4.4 | 176 23 -1.6 23.1 13 70 18190 235 11 9.0 6.3 | 169 25 -4.8 25.0 14 50 20380 210 11 5.5 9.5 | 164 29 -8.3 28.2 15 30 23680 185 17 1.5 16.9 | 161 38 -12.3 35.6 16 20 26290 140 23 -14.8 17.6 | 142 46 -28.6 36.3 Wind Parameters Mean winds (0-6000m): 293.6 at 30.9 knts Storm direction: 323.6 at 23.2 knts Shear (0-3000m) pos: 0.7 neg: 4.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 95.4 deg Storm rel helicity (0-3000m) pos: 61.0 neg: -19.6 tot: 41.4 m^2/s^2 ave: 13.8 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 83.06 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 ------------------------------------------------------------------------------- 500 327 7 142 16| 0.0 14.1 14.1| 15.5 -19.0 -3.5 -7.0 0.09| 16.9 1.6 1000 297 12 168 13| 0.0 10.7 10.7| 42.9 -19.0 23.9 23.9 0.40| 14.1 5.6 1500 300 16 179 11| 1.4 7.1 8.5| 50.9 -19.0 31.9 21.3 0.44| 11.2 4.9 2000 300 18 191 10| 1.1 6.0 7.0| 53.3 -19.0 34.2 17.1 0.42| 9.3 3.9 2500 297 20 202 10| 0.8 5.3 6.1| 53.9 -19.1 34.8 13.9 0.38| 8.3 3.2 3000 295 21 210 11| 0.7 4.9 5.6| 61.0 -19.6 41.4 13.8 0.38| 7.5 2.9 4000 292 25 224 13| 1.4 3.7 5.0| 93.5 -19.6 74.0 18.5 0.45| 6.5 2.9 5000 293 28 236 14| 1.8 2.9 4.8|129.8 -19.6 110.2 22.0 0.50| 5.9 3.0 6000 294 31 247 16| 2.0 2.4 4.4|159.6 -19.6 140.1 23.3 0.53| 5.4 2.8 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250428.00.gif