UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 15 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1008 4 -22.5 -24.9 81 2.4 -22.8 235 1 250.1 250.2 249.8 251.4 0.50 1 1004 34 -14.1 -17.8 74 3.7 -14.8 225 1 258.8 258.9 258.1 261.3 0.94 2 1000 64 -13.7 -17.3 74 3.6 -14.4 215 1 259.5 259.6 258.8 262.1 0.98 3 986 172 -10.9 -13.7 80 2.8 -11.5 207 2 263.3 263.5 262.4 267.0 1.34 4 950 458 -10.3 -12.3 85 2.0 -10.8 185 5 266.7 267.0 265.3 271.0 1.56 5 925 663 -10.5 -15.0 69 4.5 -11.6 170 7 268.6 268.8 266.1 272.2 1.29 6 904 840 -10.7 -18.7 52 8.0 -12.4 178 8 270.1 270.3 266.6 272.9 0.97 7 898 891 -10.9 -20.9 44 10.0 -12.9 181 8 270.4 270.6 266.5 272.8 0.80 8 850 1312 -12.3 -20.3 51 8.0 -13.9 200 9 273.3 273.4 268.5 275.9 0.89 9 741 2348 -17.5 -23.5 59 6.0 -18.6 196 5 278.5 278.7 271.6 280.8 0.78 10 700 2771 -20.5 -28.5 49 8.0 -21.7 195 3 279.8 279.9 271.9 281.4 0.52 11 573 4219 -31.3 -37.3 55 6.0 -31.8 272 5 283.6 283.7 273.7 284.5 0.27 12 532 4741 -35.3 -41.3 54 6.0 -35.7 301 6 284.9 284.9 274.3 285.5 0.19 13 500 5170 -37.9 -44.9 48 7.0 -38.2 325 7 286.8 286.9 275.2 287.3 0.14 14 431 6179 -43.9 -50.9 46 7.0 -44.2 322 12 291.6 291.7 277.6 291.9 0.08 15 404 6613 -43.5 -50.5 46 7.0 -43.7 320 15 297.6 297.6 280.4 297.9 0.09 16 400 6680 -43.9 -51.9 41 8.0 -44.2 320 15 297.9 297.9 280.6 298.2 0.08 17 354 7492 -49.5 -57.5 39 8.0 -49.7 305 15 301.0 301.0 281.8 301.2 0.05 18 350 7566 -49.5 -57.5 39 8.0 -49.7 301 14 302.0 302.0 282.3 302.1 0.05 19 328 7993 -48.5 -56.5 39 8.0 -48.7 280 10 309.0 309.0 285.0 309.2 0.06 20 300 8580 -49.1 -58.1 34 9.0 -49.3 250 5 316.1 316.2 287.5 316.3 0.05 21 250 9780 -46.5 -58.5 24 12.0 -46.9 245 9 336.9 336.9 293.6 337.2 0.06 22 214 10811 -45.7 -60.7 17 15.0 -46.3 235 9 353.5 353.5 297.4 353.7 0.05 23 200 11260 -46.3 -63.3 13 17.0 -46.9 230 9 359.5 359.5 298.6 359.6 0.04 24 176 12109 -46.1 -64.1 11 18.0 -46.9 234 10 373.2 373.2 301.1 373.4 0.04 25 150 13170 -46.7 -67.7 7 21.0 -47.6 240 11 389.6 389.6 303.8 389.7 0.03 26 124 14428 -46.9 -68.9 6 22.0 -47.9 263 12 411.0 411.0 306.6 411.2 0.03 27 100 15840 -50.1 -73.1 5 23.0 -51.0 290 13 430.9 430.9 308.9 431.0 0.02 28 70 18160 -54.1 -77.1 4 23.0 -54.9 300 17 468.6 468.7 312.5 468.7 0.02 29 50 20312 -55.5 -78.5 4 23.0 -56.4 512.7 512.7 315.8 512.8 0.02 TRP 354 7492 -49.5 -57.5 39 8.0 -49.7 305 15 301.0 301.0 281.8 301.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5106.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 56.31 % Est. max temperature: 0.25 C = 32.45 F Sfc-Lift cond lev (LCL): 968.62 mb = 308.49 m = 1012.09 ft T: -10.61 C 700-500 lapse rate: 7.25 C/km ThetaE index: 0.13 C Layer 898.0- 850.0 mb Conv cond level (CCL): 1004.00 mb = 33.92 m = 111.29 ft Mean mixing ratio: 1.31 g/kg Conv temperature: -13.54 C = 7.64 F Cap Strength: 13.61 C Lifted Index: 14.87 C Risk: None Lifted Index @300 mb: 33.50 C Lifted Index @700 mb: 10.89 C Showalter Index: 9.31 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 25.60 C Cross Totals Index: 17.60 C K Index: -2.70 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.53 J/kg Max Up Vert Vel: 8.78 m/s Conv Inhibition (B-): 38446.92 J/kg Cap Strength: 14.53 C Lift Cond Lev (LCL): 907.88 mb = 806.73 m = 2646.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 5 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 1008 4 235 1 0.8 0.6 | 110 4 -3.6 1.3 1 1000 64 215 1 0.6 0.8 | 112 4 -3.9 1.5 2 925 663 170 7 -1.2 6.9 | 143 9 -5.7 7.6 3 850 1312 200 9 3.1 8.5 | 171 9 -1.4 9.2 4 700 2771 195 3 0.8 2.9 | 135 5 -3.7 3.6 5 500 5170 325 7 4.0 -5.7 | 5 5 -0.4 -5.0 6 400 6680 320 15 9.6 -11.5 | 334 12 5.2 -10.8 7 354 7492 305 15 12.3 -8.6 | 315 11 7.8 -7.9 8 300 8580 250 5 4.7 1.7 | 186 2 0.2 2.4 9 250 9780 245 9 8.2 3.8 | 219 6 3.7 4.5 10 200 11260 230 9 6.9 5.8 | 201 7 2.4 6.5 11 150 13170 240 11 9.5 5.5 | 219 8 5.1 6.2 12 100 15840 290 13 12.2 -4.4 | 296 9 7.8 -3.7 13 70 18160 300 17 14.7 -8.5 | 307 13 10.3 -7.8 Wind Parameters Mean winds (0-6000m): 249.2 at 6.0 knts Storm direction: 279.2 at 4.5 knts Shear (0-3000m) pos: 0.6 neg: 0.4 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 32.7 deg Storm rel helicity (0-3000m) pos: 15.4 neg: -7.8 tot: 7.5 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.56 Bulk Shear: 3.65 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 ------------------------------------------------------------------------------- 500 188 3 132 5| 0.0 5.0 5.0| 3.7 0.0 3.7 7.4 0.58| 5.2 3.0 1000 177 5 141 7| 1.4 2.5 3.9| 9.0 -0.2 8.8 8.8 0.54| 4.7 2.6 1500 186 6 151 8| 1.2 1.7 2.9| 14.6 -1.2 13.4 9.0 0.56| 4.2 2.3 2000 190 6 155 8| 0.9 0.9 1.7| 14.6 -4.0 10.6 5.3 0.38| 3.7 1.4 2500 191 6 154 8| 0.7 0.5 1.2| 14.6 -6.6 8.0 3.2 0.24| 3.4 0.8 3000 192 6 153 7| 0.6 0.4 1.0| 15.4 -7.8 7.5 2.5 0.20| 3.1 0.6 4000 201 5 156 6| 0.8 0.3 1.1| 17.8 -7.8 10.0 2.5 0.29| 2.9 0.8 5000 216 5 166 5| 0.9 0.3 1.2| 20.0 -7.8 12.1 2.4 0.38| 2.9 1.1 6000 249 6 202 3| 0.9 0.1 1.0| 20.6 -12.1 8.5 1.4 0.27| 2.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250415.12.gif