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 LTBM... Searching the city database file for: LTBM ... Date:1200Z 15 APR 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 158 1 925 823 SFC 906 997 17.6 -2.4 25 20.0 7.8 45 9 299.1 299.7 285.2 309.8 3.53 3 855 1488 11.4 -5.6 30 17.0 3.8 319 10 297.6 298.1 284.0 306.5 2.94 4 850 1537 10.6 -6.4 30 17.0 3.2 310 10 297.3 297.8 283.7 305.7 2.78 5 757 2487 2.4 -15.6 25 18.0 -3.7 349 17 298.4 298.7 282.6 303.1 1.50 6 746 2605 1.8 -16.2 25 18.0 -4.2 354 17 299.0 299.2 282.8 303.5 1.45 7 706 3047 -1.1 -23.1 17 22.0 -7.1 12 21 300.5 300.7 282.7 303.3 0.84 8 700 3115 -1.5 -25.5 14 24.0 -7.7 15 21 300.8 300.9 282.6 303.1 0.69 9 686 3276 -1.1 -44.1 2 43.0 -8.6 13 23 303.0 303.0 282.8 303.4 0.11 10 643 3791 -2.7 -45.7 2 43.0 -9.9 7 29 306.9 306.9 284.2 307.2 0.10 11 605 4271 -4.9 -34.9 7 30.0 -11.2 2 35 309.7 309.8 285.7 310.9 0.33 12 557 4918 -7.5 -23.5 27 16.0 -11.9 355 43 314.0 314.2 287.9 317.5 1.03 13 553 4974 -7.9 -21.9 31 14.0 -11.9 354 43 314.2 314.5 288.2 318.3 1.20 14 500 5750 -12.7 -27.7 27 15.0 -16.2 345 53 317.6 317.7 288.8 320.3 0.78 15 482 6030 -15.1 -29.1 29 14.0 -18.1 343 54 317.9 318.1 288.9 320.5 0.71 16 401 7402 -25.1 -43.1 17 18.0 -27.2 330 58 322.1 322.2 289.6 322.9 0.21 17 400 7420 -25.3 -43.3 17 18.0 -27.4 330 58 322.1 322.1 289.6 322.9 0.21 18 355 8272 -32.7 -53.7 10 21.0 -34.1 334 60 323.3 323.4 289.9 323.6 0.07 19 300 9430 -42.9 -62.9 9 20.0 -43.5 340 63 324.9 324.9 290.3 325.0 0.03 20 250 10630 -53.1 320 63 327.1 21 228 11219 -57.9 315 69 328.5 22 203 11947 -61.4 325 77 334.2 23 202 11978 -61.5 325 76 334.4 24 200 12040 -61.1 325 75 336.0 25 173 12935 -63.5 322 63 346.3 26 162 13340 -61.3 321 58 356.5 27 150 13820 -58.9 320 52 368.6 28 139 14297 -59.7 320 48 375.3 29 100 16340 -62.5 320 29 407.0 30 99 16402 -62.3 322 28 408.5 31 76 18040 -62.1 14 14 441.0 32 76 18040 -62.1 14 14 441.0 33 70 18550 -61.7 30 9 452.4 34 56 19935 -60.7 100 9 484.5 35 50 20640 -60.5 135 9 500.9 36 41 21871 -61.7 133 9 527.2 37 41 21871 -61.7 133 9 527.2 38 30 23810 -60.3 130 10 580.3 39 29 24021 -60.3 142 10 585.9 40 29 24021 -60.3 142 10 585.9 41 27 24467 -60.1 166 10 598.6 42 22 25753 -57.3 237 9 643.0 43 20 26360 -54.3 270 9 670.0 44 14 28666 -51.3 306 16 752.1 45 10 30890 -44.1 340 22 854.9 46 7.7 32657 -40.5 935.8 TRP 228 11219 -57.9 315 69 328.5 WND 203 11947 -61.4 325 77 334.2 Sounding variables and indices 1000-500 mb thick: 5592.00 m Freezing level: 721.17 mb = 2879.38 m = 9446.67 ft Wetbulb zero: 806.81 mb = 1964.56 m = 6445.32 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 19.80 % Est. max temperature: 16.98 C = 62.57 F Sfc-Lift cond lev (LCL): 670.24 mb = 3460.65 m = 11353.71 ft T: -1.67 C 700-500 lapse rate: 4.25 C/km ThetaE index: 6.67 C Layer 855.0- 746.0 mb Conv cond level (CCL): 498.95 mb = 5766.14 m = 18917.55 ft Mean mixing ratio: 2.86 g/kg Conv temperature: 35.59 C = 96.06 F Cap Strength: 10.71 C Lifted Index: 11.77 C Risk: None Lifted Index @300 mb: 13.15 C Lifted Index @700 mb: 2.62 C Showalter Index: 12.42 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 6.30 C K Index: -7.10 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 3.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.29 J/kg Max Up Vert Vel: 2.93 m/s Conv Inhibition (B-): 58354.11 J/kg Cap Strength: 11.76 C Lift Cond Lev (LCL): 652.35 mb = 3675.71 m = 12059.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 at 25 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 ---------------------------------------------------------- 0 906 997 45 9 -6.4 -6.4 | 185 17 1.4 17.1 1 850 1537 310 10 7.7 -6.4 | 222 23 15.5 17.0 2 700 3115 15 21 -5.4 -20.3 | 217 4 2.4 3.2 3 500 5750 345 53 13.7 -51.2 | 322 35 21.5 -27.7 4 400 7420 330 58 29.0 -50.2 | 306 46 36.8 -26.8 5 300 9430 340 63 21.5 -59.2 | 321 46 29.3 -35.7 6 250 10630 320 63 40.5 -48.3 | 297 54 48.3 -24.8 7 228 11219 315 69 48.8 -48.8 | 294 62 56.6 -25.3 8 203 11947 325 77 44.2 -63.1 | 307 65 52.0 -39.6 9 200 12040 325 75 43.0 -61.4 | 307 63 50.8 -38.0 10 150 13820 320 52 33.4 -39.8 | 292 44 41.2 -16.4 11 100 16340 320 29 18.6 -22.2 | 267 26 26.4 1.3 12 70 18550 30 9 -4.5 -7.8 | 192 16 3.3 15.7 13 50 20640 135 9 -6.4 6.4 | 183 30 1.4 29.8 14 30 23810 130 10 -7.7 6.4 | 180 30 0.1 29.9 15 20 26360 270 9 9.0 -0.0 | 216 29 16.8 23.5 16 10 30890 340 22 7.5 -20.7 | 260 16 15.3 2.8 Wind Parameters Mean winds (0-6000m): 348.4 at 33.0 knts Storm direction: 18.4 at 24.7 knts Shear (0-3000m) pos: 3.7 neg: 2.9 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 143.3 deg Storm rel helicity (0-3000m) pos: 80.8 neg: -2.9 tot: 77.9 m^2/s^2 ave: 26.0 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 74.61 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 ------------------------------------------------------------------------------- 500 359 9 210 16| 0.0 13.5 13.5| 47.6 0.0 47.6 95.1 0.74| 14.9 11.1 1000 334 10 221 19| 2.1 6.8 8.9| 64.7 0.0 64.7 64.7 0.70| 10.2 7.1 1500 339 12 224 17| 3.4 4.5 7.9| 73.0 0.0 73.0 48.7 0.60| 9.0 5.4 2000 352 14 224 14| 4.2 3.4 7.6| 73.5 -1.8 71.7 35.8 0.44| 8.7 3.8 2500 359 15 224 11| 4.4 2.7 7.1| 76.9 -2.9 73.9 29.6 0.45| 8.3 3.8 3000 2 17 231 9| 3.7 2.9 6.5| 80.8 -2.9 77.9 26.0 0.44| 8.1 3.6 4000 359 23 264 8| 2.7 3.8 6.6| 82.0 -7.5 74.5 18.6 0.33| 7.9 2.6 5000 353 28 292 12| 2.2 4.5 6.6| 82.0 -45.4 36.5 7.3 0.21| 7.7 1.7 6000 348 33 301 17| 1.8 4.3 6.2| 82.0-116.1 -34.2 -5.7 0.11| 7.2 0.8 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250415.12.gif