UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 1 MAY 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 98 1 925 748 SFC 898 997 10.4 8.2 86 2.2 9.2 105 13 292.4 293.8 286.8 314.2 7.61 3 855 1402 7.8 3.7 75 4.1 5.6 154 24 293.8 294.9 285.6 310.8 5.84 4 850 1450 7.4 3.4 76 4.0 5.3 160 25 293.9 294.9 285.5 310.6 5.75 5 795 1999 5.2 1.0 74 4.2 3.1 170 19 297.2 298.2 286.2 312.5 5.18 6 702 3002 -1.5 -5.3 75 3.8 -3.1 190 8 300.6 301.2 285.9 311.7 3.67 7 700 3025 -1.7 -5.7 74 4.0 -3.4 190 8 300.6 301.3 285.8 311.5 3.57 8 531 5169 -14.3 -17.4 77 3.1 -15.2 149 17 310.2 310.6 287.5 316.2 1.84 9 500 5620 -19.7 -23.8 70 4.1 -20.6 140 19 309.0 309.2 286.3 312.7 1.12 10 400 7240 -32.9 -37.7 62 4.8 -33.4 140 21 312.2 312.3 286.6 313.5 0.37 11 334 8483 -42.3 -46.2 66 3.9 -42.5 171 16 315.9 315.9 287.6 316.6 0.18 12 322 8731 -40.7 -45.3 61 4.6 -41.0 178 15 321.4 321.5 289.4 322.2 0.21 13 302 9165 -43.3 -49.3 52 6.0 -43.6 189 13 323.7 323.7 290.0 324.3 0.14 14 300 9210 -43.3 -50.3 46 7.0 -43.6 190 13 324.3 324.4 290.2 324.8 0.13 15 264 10062 -48.1 -57.1 35 9.0 -48.4 125 14 329.4 329.4 291.6 329.6 0.06 16 250 10420 -49.1 -58.1 34 9.0 -49.4 165 12 333.1 333.1 292.6 333.3 0.06 17 212 11487 -55.1 -61.1 47 6.0 -55.2 191 23 339.8 339.8 294.3 340.0 0.05 18 201 11828 -54.1 -60.1 48 6.0 -54.2 199 27 346.6 346.6 295.9 346.8 0.06 19 200 11860 -54.9 -60.9 47 6.0 -55.1 200 27 345.8 345.8 295.7 346.1 0.05 20 185 12362 -51.9 -60.9 33 9.0 -52.2 203 27 358.5 358.5 298.4 358.7 0.06 21 150 13720 -52.9 210 28 378.9 22 146 13894 -52.1 211 29 383.3 23 100 16320 -55.5 220 37 420.5 24 90 16990 -58.5 226 35 427.4 25 70 18570 -59.9 240 29 456.2 26 65 19032 -58.3 237 26 469.5 27 51 20547 -59.1 226 17 501.4 28 50 20670 -59.5 225 16 503.3 29 44 21475 -56.9 245 14 528.4 30 38 22407 -55.5 268 12 554.5 31 32 23500 -56.7 295 9 579.3 32 30 23910 -55.5 305 8 593.3 33 24 25345 -53.7 228 11 637.7 34 20 26520 -53.9 165 13 671.2 35 19 26851 -51.5 688.6 36 14 28854 -47.1 766.3 37 12 29872 -47.9 798.0 TRP 264 10062 -48.1 -57.1 35 9.0 -48.4 125 14 329.4 329.4 291.6 329.6 0.06 WND Sounding variables and indices 1000-500 mb thick: 5522.00 m Freezing level: 722.82 mb = 2777.55 m = 9112.59 ft Wetbulb zero: 748.86 mb = 2480.92 m = 8139.40 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 75.61 % Est. max temperature: 16.68 C = 62.02 F Sfc-Lift cond lev (LCL): 868.56 mb = 1272.06 m = 4173.36 ft T: 8.63 C 700-500 lapse rate: 6.94 C/km ThetaE index: 3.60 C Layer 855.0- 795.0 mb Conv cond level (CCL): 753.59 mb = 2430.16 m = 7972.88 ft Mean mixing ratio: 6.01 g/kg Conv temperature: 16.48 C = 61.67 F Cap Strength: 3.38 C Lifted Index: 1.43 C Risk: Showers probable Lifted Index @300 mb: 9.06 C Lifted Index @700 mb: 1.50 C Showalter Index: 2.25 C Risk: Showers probable Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 23.10 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 133.80 Risk: None Energy Index: 0.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.46 J/kg Max Up Vert Vel: 6.08 m/s Conv Inhibition (B-): 44888.09 J/kg Cap Strength: 3.39 C Lift Cond Lev (LCL): 801.22 mb = 1934.60 m = 6347.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 at 12 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 ---------------------------------------------------------- 0 898 997 105 13 -12.6 3.4 | 56 16 -13.0 -8.8 1 850 1450 160 25 -8.6 23.5 | 142 15 -9.0 11.4 2 700 3025 190 8 1.4 7.9 | 348 4 0.9 -4.2 3 500 5620 140 19 -12.2 14.6 | 101 13 -12.7 2.4 4 400 7240 140 21 -13.5 16.1 | 106 15 -14.0 4.0 5 300 9210 190 13 2.3 12.8 | 249 2 1.8 0.7 6 264 10062 125 14 -11.5 8.0 | 71 13 -11.9 -4.1 7 250 10420 165 12 -3.1 11.6 | 82 4 -3.6 -0.5 8 200 11860 200 27 9.2 25.4 | 213 16 8.8 13.2 9 150 13720 210 28 14.0 24.2 | 228 18 13.5 12.1 10 100 16320 220 37 23.8 28.3 | 235 28 23.3 16.2 11 70 18570 240 29 25.1 14.5 | 264 25 24.6 2.4 12 50 20670 225 16 11.3 11.3 | 274 11 10.8 -0.8 13 30 23910 305 8 6.6 -4.6 | 340 18 6.1 -16.7 14 20 26520 165 13 -3.4 12.6 | 96 4 -3.8 0.4 Wind Parameters Mean winds (0-6000m): 152.2 at 16.2 knts Storm direction: 182.2 at 12.1 knts Shear (0-3000m) pos: 2.5 neg: 0.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 30.3 deg Storm rel helicity (0-3000m) pos: 91.9 neg: 0.0 tot: 91.9 m^2/s^2 ave: 30.6 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 8.02 Bulk Shear: 2.30 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 ------------------------------------------------------------------------------- 500 144 20 107 12| 20.9 0.0 20.9| 83.5 0.0 83.5 167.0 1.00| 22.7 22.6 1000 155 21 126 11| 9.3 0.0 9.3| 88.4 0.0 88.4 88.4 0.83| 14.7 12.2 1500 160 19 130 9| 5.6 0.0 5.6| 89.5 0.0 89.5 59.7 0.71| 11.9 8.4 2000 161 17 125 7| 3.8 0.0 3.8| 89.8 0.0 89.8 44.9 0.66| 10.5 6.9 2500 164 16 121 6| 3.0 0.4 3.5| 90.7 0.0 90.7 36.3 0.65| 8.9 5.7 3000 165 15 118 5| 2.5 0.9 3.4| 91.9 0.0 91.9 30.6 0.66| 7.9 5.2 4000 163 15 111 5| 1.9 1.4 3.3| 93.0 -0.2 92.8 23.2 0.60| 6.7 4.0 5000 156 15 106 7| 1.5 1.6 3.1| 93.8 -2.8 91.0 18.2 0.54| 5.9 3.2 6000 152 16 105 8| 1.3 1.4 2.7| 96.4 -2.8 93.6 15.6 0.54| 5.0 2.7 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250501.12.gif