UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for UHMM... Searching the city database file for: UHMM ... Date:1200Z 18 APR 25 Station: UHMM WMO ident: 25913 Latitude: 59.58 Longitude: 150.78 Elevation: 118.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 37 SFC 990 118 3.0 -7.0 48 10.0 -0.6 45 7 276.9 277.3 273.1 283.3 2.28 2 925 663 -0.9 -11.9 43 11.0 -4.3 25 23 278.4 278.7 273.0 283.1 1.66 3 906 828 -1.7 -12.7 43 11.0 -5.0 27 23 279.2 279.5 273.3 283.8 1.59 4 874 1113 -4.9 -15.9 42 11.0 -7.8 32 22 278.8 279.0 272.6 282.5 1.26 5 850 1331 -6.7 -16.7 45 10.0 -9.3 35 21 279.1 279.3 272.7 282.7 1.22 6 758 2212 -14.5 -20.5 60 6.0 -15.7 351 20 280.0 280.1 272.8 282.9 0.99 7 700 2811 -17.7 -21.2 74 3.5 -18.4 320 19 282.9 283.1 274.5 285.9 1.00 8 662 3226 -20.5 -23.5 77 3.0 -21.0 315 20 284.3 284.4 275.0 286.9 0.87 9 586 4119 -25.1 -33.1 47 8.0 -26.1 304 22 289.0 289.1 276.8 290.3 0.40 10 500 5250 -33.9 -42.9 40 9.0 -34.5 290 25 291.7 291.7 277.8 292.3 0.17 11 468 5709 -37.5 -46.5 39 9.0 -37.9 283 31 292.8 292.8 278.3 293.2 0.13 12 423 6406 -37.5 -48.5 31 11.0 -38.1 271 39 301.4 301.4 282.1 301.8 0.11 13 400 6790 -38.9 -51.9 24 13.0 -39.5 265 44 304.4 304.4 283.3 304.7 0.08 14 314 8435 -44.7 -60.7 15 16.0 -45.2 269 39 318.2 318.2 288.2 318.3 0.03 15 304 8652 -45.9 -61.9 15 16.0 -46.3 270 38 319.4 319.5 288.6 319.6 0.03 16 300 8740 -45.9 -61.9 15 16.0 -46.3 270 40 320.7 320.7 289.0 320.8 0.03 17 284 9104 -45.1 -62.1 13 17.0 -45.6 270 39 326.9 326.9 290.9 327.0 0.03 18 250 9950 -47.1 -65.1 11 18.0 -47.6 270 36 336.0 336.0 293.3 336.1 0.02 19 207 11202 -47.7 -66.7 9 19.0 -48.3 287 33 353.7 353.7 297.4 353.8 0.02 20 200 11430 -47.1 -66.1 10 19.0 -47.7 290 33 358.2 358.2 298.4 358.3 0.03 21 190 11769 -45.5 -64.5 10 19.0 -46.3 290 32 366.1 366.1 299.9 366.2 0.03 22 150 13330 -48.3 -68.3 8 20.0 -49.0 290 25 386.8 386.8 303.3 387.0 0.03 23 100 15980 -51.7 -72.7 6 21.0 -52.4 310 13 427.8 427.8 308.6 427.9 0.02 24 72 18100 -54.9 -74.9 7 20.0 -55.6 328 11 463.2 463.2 312.1 463.3 0.02 25 70 18280 -54.7 -74.7 7 20.0 -55.4 330 11 467.4 467.4 312.4 467.5 0.02 26 50 20430 -54.5 -74.5 7 20.0 -55.5 330 5 515.0 515.1 316.0 515.2 0.03 27 30 23710 -53.9 -74.9 6 21.0 -55.6 295 5 597.7 597.7 320.5 598.1 0.05 28 21 26005 -53.9 -74.9 6 21.0 -56.1 339 7 661.9 661.9 323.2 662.5 0.07 29 20 26320 -52.7 -74.7 5 22.0 -55.3 345 7 674.9 674.9 323.6 675.5 0.08 30 12 29665 -46.5 -69.5 6 23.0 -52.4 803.0 803.1 327.4 805.7 0.27 31 10 30873 -47.5 -69.5 6 22.0 -53.6 842.2 842.4 328.3 845.7 0.33 TRP 304 8652 -45.9 -61.9 15 16.0 -46.3 270 38 319.4 319.5 288.6 319.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5213.00 m Freezing level: 940.00 mb = 537.23 m = 1762.55 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 53.81 % Est. max temperature: 5.27 C = 41.49 F Sfc-Lift cond lev (LCL): 847.37 mb = 1354.81 m = 4444.87 ft T: -6.91 C 700-500 lapse rate: 6.64 C/km ThetaE index: 1.33 C Layer 874.0- 850.0 mb Conv cond level (CCL): 775.79 mb = 2033.41 m = 6671.21 ft Mean mixing ratio: 1.82 g/kg Conv temperature: 5.87 C = 42.57 F Cap Strength: 6.17 C Lifted Index: 7.42 C Risk: None Lifted Index @300 mb: 26.50 C Lifted Index @700 mb: 2.50 C Showalter Index: 7.92 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 17.20 C K Index: 7.00 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 1.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.07 J/kg Max Up Vert Vel: 4.26 m/s Conv Inhibition (B-): 65209.72 J/kg Cap Strength: 7.31 C Lift Cond Lev (LCL): 795.65 mb = 1839.05 m = 6033.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 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 ---------------------------------------------------------- 0 990 118 45 7 -4.9 -4.9 | 147 14 -7.4 11.5 1 925 663 25 23 -9.7 -20.8 | 70 13 -12.2 -4.4 2 850 1331 35 21 -12.0 -17.2 | 87 15 -14.5 -0.8 3 700 2811 320 19 12.2 -14.6 | 259 10 9.7 1.9 4 500 5250 290 25 23.5 -8.6 | 249 22 21.0 7.9 5 400 6790 265 44 43.8 3.8 | 244 46 41.3 20.3 6 304 8652 270 38 38.0 -0.0 | 245 39 35.5 16.4 7 300 8740 270 40 40.0 -0.0 | 246 41 37.5 16.4 8 250 9950 270 36 36.0 -0.0 | 244 37 33.5 16.4 9 200 11430 290 33 31.0 -11.3 | 260 29 28.5 5.2 10 150 13330 290 25 23.5 -8.6 | 249 22 21.0 7.9 11 100 15980 310 13 10.0 -8.4 | 223 11 7.5 8.1 12 70 18280 330 11 5.5 -9.5 | 204 8 3.0 6.9 13 50 20430 330 5 2.5 -4.3 | 180 12 0.0 12.1 14 30 23710 295 5 4.5 -2.1 | 188 14 2.0 14.3 15 20 26320 345 7 1.8 -6.8 | 176 10 -0.7 9.7 Wind Parameters Mean winds (0-6000m): 321.4 at 22.2 knts Storm direction: 351.4 at 16.6 knts Shear (0-3000m) pos: 0.3 neg: 3.9 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 13.2 neg: -83.6 tot: -70.4 m^2/s^2 ave: -23.5 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -5.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 61.77 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 30 14 113 11| 0.0 15.6 15.6| 0.0 -49.0 -49.0 -97.9 -0.98| 15.9-15.6 1000 29 18 92 11| 1.0 7.8 8.8| 8.8 -52.6 -43.8 -43.8 -0.72| 9.9 -7.1 1500 29 19 88 12| 0.7 5.3 5.9| 13.2 -61.7 -48.5 -32.4 -0.60| 8.8 -5.3 2000 24 20 83 11| 0.5 4.6 5.1| 13.2 -71.4 -58.2 -29.1 -0.62| 9.0 -5.5 2500 17 20 75 8| 0.4 4.3 4.7| 13.2 -79.4 -66.2 -26.5 -0.66| 9.0 -5.9 3000 9 19 62 6| 0.3 3.9 4.2| 13.2 -83.6 -70.4 -23.5 -0.63| 8.3 -5.2 4000 352 20 353 3| 0.3 3.4 3.7| 13.2 -86.7 -73.5 -18.4 -0.59| 6.9 -4.0 5000 336 21 292 6| 0.2 3.1 3.3| 13.2 -96.2 -83.0 -16.6 -0.56| 6.1 -3.4 6000 321 22 274 11| 0.2 3.6 3.8| 15.5-105.4 -89.9 -15.0 -0.47| 6.2 -2.9 Wrote GIF file: /home/apache/climate/data/raob//UHMM/skewt/UHMM.skewt.20250418.12.gif