UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 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 10 -2.5 -4.6 85 2.1 -3.2 315 5 270.1 270.6 269.5 277.4 2.69 1 1002 49 -2.3 -7.3 69 5.0 -3.9 319 6 270.7 271.1 269.1 276.7 2.20 2 1000 65 -2.9 -7.9 68 5.0 -4.5 320 7 270.2 270.6 268.7 276.0 2.10 3 925 676 -8.5 -11.7 78 3.2 -9.4 315 15 270.6 270.9 268.2 275.3 1.68 4 921 710 -8.9 -12.1 78 3.2 -9.8 315 15 270.5 270.8 268.1 275.1 1.64 5 858 1254 -13.5 -22.5 47 9.0 -15.2 315 19 271.3 271.4 267.0 273.4 0.73 6 850 1325 -14.1 -23.1 46 9.0 -15.7 315 19 271.4 271.5 267.0 273.4 0.70 7 726 2498 -23.9 -34.9 36 11.0 -25.0 307 21 273.2 273.2 267.4 274.0 0.27 8 700 2763 -25.5 -37.5 32 12.0 -26.5 305 21 274.2 274.3 268.0 274.9 0.22 9 626 3564 -30.7 -44.7 24 14.0 -31.5 302 35 277.2 277.2 269.7 277.6 0.11 10 591 3969 -33.5 -47.5 23 14.0 -34.2 300 42 278.6 278.6 270.4 278.8 0.09 11 500 5130 -38.3 -52.3 22 14.0 -38.8 295 62 286.3 286.4 274.9 286.6 0.06 12 452 5818 -41.7 -56.3 19 14.6 -42.1 300 71 290.5 290.5 277.0 290.6 0.04 13 423 6265 -43.9 -58.9 17 15.0 -44.3 300 68 293.2 293.2 278.3 293.3 0.03 14 403 6590 -44.3 -59.3 17 15.0 -44.7 300 65 296.8 296.8 280.0 296.9 0.03 15 400 6640 -44.3 -59.3 17 15.0 -44.7 300 64 297.4 297.4 280.3 297.5 0.03 16 300 8580 -44.3 -60.3 15 16.0 -44.8 300 40 322.9 322.9 289.7 323.1 0.04 17 250 9800 -43.3 -61.3 12 18.0 -44.0 300 25 341.7 341.7 294.8 341.9 0.04 18 200 11300 -44.1 -62.1 12 18.0 -44.9 295 23 362.9 363.0 299.3 363.1 0.04 19 196 11436 -43.7 -62.7 10 19.0 -44.6 293 23 365.7 365.7 299.8 365.9 0.04 20 150 13220 -46.9 -65.9 10 19.0 -47.7 260 17 389.2 389.3 303.7 389.4 0.04 21 147 13354 -47.3 -66.3 10 19.0 -48.1 259 17 390.8 390.8 303.9 391.0 0.03 22 116 14922 -46.3 -65.3 10 19.0 -47.4 250 14 420.1 420.1 307.7 420.3 0.05 23 100 15900 -49.3 -69.3 8 20.0 -50.3 245 13 432.5 432.5 309.1 432.7 0.03 24 70 18230 -50.1 -69.1 9 19.0 -51.2 225 13 477.2 477.2 313.2 477.5 0.05 25 50 20420 -51.9 -71.9 7 20.0 -53.2 215 15 521.2 521.2 316.4 521.5 0.05 26 30 23730 -52.3 -72.3 7 20.0 -54.2 205 19 602.1 602.1 320.7 602.6 0.07 27 22 25742 -53.3 -73.3 7 20.0 -55.6 194 16 654.9 655.0 322.9 655.6 0.09 28 20 26360 -51.7 -71.7 7 20.0 -54.5 190 15 677.9 678.0 323.7 678.9 0.12 29 15 28240 -48.3 -69.3 7 21.0 -52.8 747.4 747.5 325.9 749.5 0.23 30 13 29194 -42.9 -64.9 7 22.0 -49.9 797.3 797.5 327.3 802.0 0.48 TRP 423 6265 -43.9 -58.9 17 15.0 -44.3 300 68 293.2 293.2 278.3 293.3 0.03 WND 452 5818 -41.7 -56.3 19 14.6 -42.1 300 71 290.5 290.5 277.0 290.6 0.04 Sounding variables and indices 1000-500 mb thick: 5065.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 39.00 % Est. max temperature: -1.32 C = 29.62 F Sfc-Lift cond lev (LCL): 974.20 mb = 269.85 m = 885.32 ft T: -4.78 C 700-500 lapse rate: 5.41 C/km ThetaE index: 4.00 C Layer 1002.0- 850.0 mb Conv cond level (CCL): 892.70 mb = 949.30 m = 3114.45 ft Mean mixing ratio: 1.86 g/kg Conv temperature: -1.73 C = 28.88 F Cap Strength: 3.28 C Lifted Index: 9.08 C Risk: None Lifted Index @300 mb: 33.55 C Lifted Index @700 mb: 0.53 C Showalter Index: 10.84 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 15.20 C K Index: -10.90 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 2.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.13 J/kg Max Up Vert Vel: 3.50 m/s Conv Inhibition (B-): 4.12 J/kg Cap Strength: 8.55 C Lift Cond Lev (LCL): 898.18 mb = 902.29 m = 2960.22 ft Lev Free Conv (LFC): 843.18 mb = 1384.92 m = 4543.63 ft Equ Level (EL): 713.18 mb = 2627.36 m = 8619.84 ft B at Equ Level: 5.44 J/kg Max Parcel Lev (MPL): 683.18 mb = 2937.32 m = 9636.76 ft Wind level data Storm motion: 331 at 26 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 10 315 5 3.5 -3.5 | 154 21 -9.2 19.3 1 1000 65 320 7 4.5 -5.4 | 155 19 -8.2 17.4 2 925 676 315 15 10.6 -10.6 | 170 12 -2.1 12.2 3 850 1325 315 19 13.4 -13.4 | 184 9 0.7 9.4 4 700 2763 305 21 17.2 -12.0 | 203 12 4.5 10.8 5 500 5130 295 62 56.2 -26.2 | 274 44 43.5 -3.4 6 452 5818 300 71 61.5 -35.5 | 285 50 48.8 -12.7 7 423 6265 300 68 58.9 -34.0 | 284 48 46.2 -11.2 8 400 6640 300 64 55.4 -32.0 | 282 44 42.7 -9.2 9 300 8580 300 40 34.6 -20.0 | 263 22 21.9 2.8 10 250 9800 300 25 21.7 -12.5 | 221 14 8.9 10.3 11 200 11300 295 23 20.8 -9.7 | 212 15 8.1 13.1 12 150 13220 260 17 16.7 3.0 | 189 26 4.0 25.7 13 100 15900 245 13 11.8 5.5 | 178 28 -0.9 28.3 14 70 18230 225 13 9.2 9.2 | 174 32 -3.5 32.0 15 50 20420 215 15 8.6 12.3 | 173 35 -4.1 35.1 16 30 23730 205 19 8.0 17.2 | 173 40 -4.7 40.0 17 20 26360 190 15 2.6 14.8 | 165 39 -10.1 37.6 Wind Parameters Mean winds (0-6000m): 300.8 at 34.8 knts Storm direction: 330.8 at 26.1 knts Shear (0-3000m) pos: 1.3 neg: 2.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 69.0 deg Storm rel helicity (0-3000m) pos: 46.4 neg: 0.0 tot: 46.4 m^2/s^2 ave: 15.5 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 88.64 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 ------------------------------------------------------------------------------- 500 318 9 158 17| 8.1 0.0 8.1| 11.9 0.0 11.9 23.8 0.34| 8.1 2.8 1000 316 12 164 14| 4.0 2.2 6.2| 20.7 0.0 20.7 20.7 0.44| 6.3 2.8 1500 315 14 168 13| 2.7 2.2 4.9| 25.5 0.0 25.5 17.0 0.50| 5.0 2.5 2000 314 16 173 12| 2.0 1.9 3.9| 28.7 0.0 28.7 14.3 0.53| 4.1 2.2 2500 313 17 178 11| 1.6 1.7 3.3| 31.8 0.0 31.8 12.7 0.55| 3.6 2.0 3000 311 18 182 11| 1.3 2.2 3.6| 46.4 0.0 46.4 15.5 0.64| 3.8 2.5 4000 307 22 205 11| 1.0 3.9 4.9| 96.5 0.0 96.5 24.1 0.65| 5.1 3.3 5000 303 28 234 13| 0.8 5.0 5.8|132.1 0.0 132.1 26.4 0.53| 5.9 3.1 6000 301 35 254 18| 1.6 4.1 5.7|236.2 -3.2 233.0 38.8 0.54| 6.1 3.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250428.12.gif