UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 27 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 1012 7 -2.7 -4.8 85 2.1 -3.4 340 17 269.5 270.0 269.1 276.7 2.64 1 1000 101 -3.1 -6.1 80 3.0 -4.1 350 25 270.0 270.4 269.1 276.6 2.42 2 925 712 -7.9 -9.6 88 1.7 -8.4 355 23 271.2 271.6 269.1 276.7 1.99 3 850 1365 -12.5 -13.0 96 0.5 -12.6 15 21 273.1 273.3 269.7 277.7 1.65 4 765 2159 -19.1 -19.4 97 0.3 -19.1 356 14 274.3 274.5 269.5 277.4 1.07 5 700 2813 -24.1 -28.6 66 4.5 -24.6 340 9 275.8 275.9 269.5 277.3 0.52 6 680 3023 -25.7 -31.7 57 6.0 -26.3 335 9 276.3 276.4 269.6 277.5 0.40 7 633 3540 -27.5 -35.5 46 8.0 -28.3 324 10 280.0 280.0 271.6 280.9 0.29 8 591 4031 -29.7 -36.7 51 7.0 -30.3 312 11 283.0 283.0 273.3 283.9 0.28 9 502 5173 -38.3 -45.3 48 7.0 -38.7 286 13 286.0 286.0 274.8 286.5 0.13 10 500 5200 -38.5 -45.5 48 7.0 -38.8 285 13 286.1 286.1 274.8 286.5 0.13 11 400 6710 -45.7 -53.7 40 8.0 -45.9 230 27 295.6 295.6 279.4 295.8 0.06 12 347 7651 -49.3 -58.3 34 9.0 -49.5 235 23 303.0 303.0 282.7 303.1 0.04 13 300 8610 -47.7 -57.7 31 10.0 -48.0 250 19 318.1 318.1 288.2 318.3 0.05 14 262 9509 -48.3 -59.3 27 11.0 -48.6 261 15 329.8 329.8 291.7 330.0 0.05 15 250 9820 -47.1 -59.1 24 12.0 -47.5 265 13 336.0 336.1 293.4 336.3 0.05 16 226 10488 -44.7 -57.7 22 13.0 -45.3 260 11 349.6 349.6 296.6 349.9 0.07 17 200 11300 -46.1 -59.1 22 13.0 -46.7 255 9 359.8 359.8 298.7 360.1 0.07 18 150 13220 -45.9 -60.9 17 15.0 -46.7 260 9 391.0 391.0 304.0 391.3 0.07 19 100 15890 -49.7 -64.7 16 15.0 -50.5 240 7 431.7 431.7 309.0 432.0 0.06 20 70 18210 -52.3 -68.3 13 16.0 -53.2 245 7 472.5 472.5 312.9 472.8 0.06 21 54 19884 -53.5 -69.5 13 16.0 -54.5 203 9 506.1 506.2 315.4 506.5 0.06 22 50 20380 -52.9 -68.9 13 16.0 -54.0 190 9 518.8 518.8 316.2 519.3 0.07 23 45 21061 -52.1 -68.1 13 16.0 -53.4 185 9 536.6 536.7 317.3 537.2 0.09 24 30 23670 -54.9 -70.9 12 16.0 -56.3 165 11 595.0 595.0 320.4 595.6 0.09 25 28 24109 -55.9 -71.9 12 16.0 -57.3 155 15 604.0 604.1 320.8 604.7 0.08 26 21 25962 -50.1 -67.1 12 17.0 -53.0 112 30 673.4 673.5 323.6 675.2 0.22 27 20 26280 -51.3 -68.3 11 17.0 -54.1 105 33 679.1 679.2 323.8 680.8 0.19 28 19 26613 -51.7 -68.7 11 17.0 -54.5 687.9 688.0 324.1 689.6 0.19 29 12 29654 -42.7 -60.7 12 18.0 -49.6 816.5 816.9 327.8 825.6 0.90 30 11 30239 -45.1 -63.1 12 18.0 -51.4 828.3 828.7 328.1 835.7 0.72 31 10 30881 -41.3 -63.3 7 22.0 -50.0 865.4 865.8 328.9 873.7 0.77 TRP 347 7651 -49.3 -58.3 34 9.0 -49.5 235 23 303.0 303.0 282.7 303.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5099.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 70.61 % Est. max temperature: 0.54 C = 32.97 F Sfc-Lift cond lev (LCL): 979.02 mb = 267.18 m = 876.55 ft T: -4.41 C 700-500 lapse rate: 6.03 C/km ThetaE index: 0.34 C Layer 765.0- 680.0 mb Conv cond level (CCL): 916.21 mb = 785.73 m = 2577.82 ft Mean mixing ratio: 2.21 g/kg Conv temperature: -0.78 C = 30.59 F Cap Strength: 7.97 C Lifted Index: 8.03 C Risk: None Lifted Index @300 mb: 29.39 C Lifted Index @700 mb: 1.08 C Showalter Index: 7.24 C Risk: None Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 25.50 C K Index: 8.50 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.53 J/kg Max Up Vert Vel: 2.66 m/s Conv Inhibition (B-): 64842.74 J/kg Cap Strength: 7.88 C Lift Cond Lev (LCL): 927.36 mb = 692.03 m = 2270.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 3 at 11 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 1012 7 340 17 5.8 -16.0 | 305 8 6.4 -4.5 1 1000 101 350 25 4.3 -24.6 | 340 14 4.9 -13.2 2 925 712 355 23 2.0 -22.9 | 347 12 2.6 -11.5 3 850 1365 15 21 -5.4 -20.3 | 29 10 -4.8 -8.9 4 700 2813 340 9 3.1 -8.5 | 231 5 3.7 3.0 5 500 5200 285 13 12.6 -3.4 | 238 15 13.1 8.1 6 400 6710 230 27 20.7 17.4 | 216 36 21.3 28.8 7 347 7651 235 23 18.8 13.2 | 218 31 19.4 24.6 8 300 8610 250 19 17.9 6.5 | 226 26 18.4 17.9 9 250 9820 265 13 13.0 1.1 | 227 18 13.5 12.6 10 200 11300 255 9 8.7 2.3 | 214 17 9.3 13.8 11 150 13220 260 9 8.9 1.6 | 216 16 9.5 13.0 12 100 15890 240 7 6.1 3.5 | 204 16 6.6 14.9 13 70 18210 245 7 6.3 3.0 | 206 16 6.9 14.4 14 50 20380 190 9 1.6 8.9 | 186 20 2.2 20.3 15 30 23670 165 11 -2.8 10.6 | 174 22 -2.3 22.1 16 20 26280 105 33 -31.9 8.5 | 123 37 -31.3 20.0 Wind Parameters Mean winds (0-6000m): 332.9 at 15.3 knts Storm direction: 2.9 at 11.4 knts Shear (0-3000m) pos: 1.8 neg: 2.3 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): -68.9 deg Storm rel helicity (0-3000m) pos: 43.9 neg: -13.6 tot: 30.3 m^2/s^2 ave: 10.1 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 13.97 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 ------------------------------------------------------------------------------- 500 351 24 340 13| 8.4 0.0 8.4| 20.5 0.0 20.5 40.9 0.70| 11.2 7.9 1000 354 23 345 12| 4.9 0.0 4.9| 32.6 0.0 32.6 32.6 0.76| 8.0 6.1 1500 359 23 355 11| 3.6 0.0 3.6| 43.3 -1.6 41.7 27.8 0.72| 7.2 5.2 2000 1 21 358 10| 2.7 1.4 4.1| 43.3 -7.4 36.0 18.0 0.44| 6.8 3.0 2500 1 20 357 8| 2.1 2.1 4.3| 43.3 -11.3 32.1 12.8 0.22| 6.5 1.4 3000 360 18 355 7| 1.8 2.3 4.1| 43.9 -13.6 30.3 10.1 0.14| 6.0 0.9 4000 354 16 335 5| 1.3 2.2 3.5| 45.6 -13.6 32.0 8.0 0.15| 5.1 0.8 5000 346 15 307 5| 1.1 2.3 3.3| 45.6 -17.4 28.2 5.6 0.11| 4.6 0.5 6000 333 15 286 8| 0.9 2.9 3.8| 45.8 -37.1 8.6 1.4 0.03| 4.9 0.1 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250427.00.gif