UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 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 53 1 925 707 SFC 894 997 11.6 10.2 91 1.4 10.8 80 6 294.0 295.6 288.5 319.2 8.77 3 880 1128 12.2 4.2 58 8.0 7.9 102 12 296.0 297.0 286.5 313.2 5.88 4 876 1165 11.4 3.4 58 8.0 7.2 108 14 295.5 296.5 286.0 311.9 5.58 5 850 1414 10.0 4.0 66 6.0 6.8 150 26 296.6 297.7 286.8 314.2 6.00 6 790 2020 6.0 1.4 72 4.6 3.7 148 31 298.6 299.6 286.9 314.5 5.36 7 700 3001 -0.5 -4.0 77 3.5 -2.1 145 39 301.9 302.7 286.8 314.3 4.06 8 671 3339 -1.5 -5.1 76 3.6 -3.1 145 40 304.5 305.2 287.6 316.5 3.90 9 636 3763 -5.7 -9.4 75 3.7 -7.1 145 40 304.4 305.0 286.6 313.6 2.95 10 604 4166 -8.5 -12.8 71 4.3 -10.0 145 41 305.7 306.1 286.5 313.2 2.36 11 595 4282 -10.5 -15.5 67 5.0 -12.1 145 41 304.7 305.1 285.6 310.8 1.92 12 541 5008 -15.7 -29.7 29 14.0 -18.4 145 42 306.9 307.0 284.9 308.9 0.60 13 522 5278 -17.5 -31.5 28 14.0 -20.0 145 42 307.9 308.0 285.2 309.7 0.53 14 501 5585 -18.3 -32.3 28 14.0 -20.8 145 43 310.5 310.6 286.1 312.3 0.51 15 500 5600 -18.7 -32.7 28 14.0 -21.1 145 43 310.2 310.3 286.0 311.9 0.49 16 488 5781 -19.9 -34.9 25 15.0 -22.2 143 42 310.9 311.0 286.2 312.3 0.40 17 438 6576 -25.5 -38.5 29 13.0 -27.1 136 39 313.6 313.7 287.0 314.7 0.31 18 403 7177 -29.9 -36.9 51 7.0 -30.7 131 36 315.5 315.5 287.7 316.9 0.40 19 400 7230 -30.5 -36.5 56 6.0 -31.2 130 36 315.3 315.4 287.7 316.8 0.42 20 342 8319 -39.9 -48.9 38 9.0 -40.4 130 36 317.0 317.0 287.9 317.5 0.13 21 300 9200 -45.9 -55.9 31 10.0 -46.3 130 36 320.7 320.7 289.0 320.9 0.07 22 250 10400 -52.5 -62.5 29 10.0 -52.7 130 35 328.0 328.0 291.2 328.2 0.03 23 248 10452 -52.7 -62.7 29 10.0 -52.9 130 36 328.5 328.5 291.3 328.6 0.03 24 236 10774 -52.5 -63.5 25 11.0 -52.7 143 34 333.5 333.5 292.7 333.6 0.03 25 200 11840 -55.5 185 27 344.9 26 199 11872 -55.3 185 27 345.7 27 150 13680 -52.7 205 36 379.3 28 137 14265 -53.9 204 34 387.1 29 100 16290 -54.3 200 27 422.8 30 92 16821 -56.3 206 24 429.1 31 73 18278 -59.3 222 16 452.1 32 70 18540 -59.7 225 15 456.7 33 64 19101 -59.7 222 16 468.5 34 59 19611 -59.1 220 17 480.9 35 50 20650 -58.7 215 18 505.2 36 49 20777 -57.3 221 18 511.4 37 38 22380 -58.3 298 14 547.4 38 30 23880 -54.7 10 10 595.5 39 29 24096 -56.1 597.5 40 26 24790 -56.5 615.3 TRP 248 10452 -52.7 -62.7 29 10.0 -52.9 130 36 328.5 328.5 291.3 328.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5547.00 m Freezing level: 706.92 mb = 2925.50 m = 9597.99 ft Wetbulb zero: 732.75 mb = 2629.95 m = 8628.34 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 62.52 % Est. max temperature: 17.66 C = 63.78 F Sfc-Lift cond lev (LCL): 875.46 mb = 1170.58 m = 3840.44 ft T: 11.37 C 700-500 lapse rate: 7.00 C/km ThetaE index: 7.35 C Layer 880.0- 850.0 mb Conv cond level (CCL): 729.00 mb = 2671.56 m = 8764.84 ft Mean mixing ratio: 5.94 g/kg Conv temperature: 18.20 C = 64.76 F Cap Strength: 2.64 C Lifted Index: 1.03 C Risk: Showers probable Lifted Index @300 mb: 4.88 C Lifted Index @700 mb: 1.59 C Showalter Index: 1.03 C Risk: Showers probable Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 22.70 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 191.00 Risk: None Energy Index: -0.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.46 J/kg Max Up Vert Vel: 7.28 m/s Conv Inhibition (B-): 156.35 J/kg Cap Strength: 2.60 C Lift Cond Lev (LCL): 772.49 mb = 2201.38 m = 7222.29 ft Lev Free Conv (LFC): 587.49 mb = 4379.16 m = 14367.15 ft Equ Level (EL): 517.49 mb = 5342.49 m = 17527.65 ft B at Equ Level: 25.70 J/kg Max Parcel Lev (MPL): 477.49 mb = 5941.30 m = 19492.23 ft Wind level data Storm motion: 174 at 28 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 ---------------------------------------------------------- 0 894 997 80 6 -5.9 -1.0 | 6 29 -2.9 -28.6 1 850 1414 150 26 -13.0 22.5 | 63 11 -10.0 -5.0 2 700 3001 145 39 -22.4 31.9 | 103 20 -19.3 4.4 3 500 5600 145 43 -24.7 35.2 | 110 23 -21.6 7.7 4 400 7230 130 36 -27.6 23.1 | 80 25 -24.5 -4.4 5 300 9200 130 36 -27.6 23.1 | 80 25 -24.5 -4.4 6 250 10400 130 35 -26.8 22.5 | 78 24 -23.8 -5.1 7 248 10452 130 36 -27.6 23.1 | 80 25 -24.5 -4.4 8 200 11840 185 27 2.4 26.9 | 277 5 5.4 -0.7 9 150 13680 205 36 15.2 32.6 | 254 19 18.3 5.1 10 100 16290 200 27 9.2 25.4 | 280 12 12.3 -2.2 11 70 18540 225 15 10.6 10.6 | 321 22 13.6 -17.0 12 50 20650 215 18 10.3 14.7 | 314 19 13.4 -12.8 13 30 23880 10 10 -1.7 -9.8 | 358 37 1.3 -37.4 Wind Parameters Mean winds (0-6000m): 143.7 at 37.0 knts Storm direction: 173.7 at 27.7 knts Shear (0-3000m) pos: 4.3 neg: 2.4 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 164.5 neg: 0.0 tot: 164.5 m^2/s^2 ave: 54.8 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 5.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.53 Bulk Shear: 49.74 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 ------------------------------------------------------------------------------- 500 141 18 30 16| 26.0 0.0 26.0|125.0 0.0 125.0 250.0 0.76| 29.6 22.4 1000 146 23 49 13| 13.0 2.1 15.1|136.8 0.0 136.8 136.8 0.77| 16.9 13.1 1500 147 26 64 13| 8.7 2.9 11.5|148.3 0.0 148.3 98.8 0.77| 12.7 9.8 2000 146 29 75 14| 6.5 3.2 9.7|159.0 0.0 159.0 79.5 0.74| 10.6 7.9 2500 146 31 83 14| 5.2 2.7 7.9|161.8 0.0 161.8 64.7 0.74| 8.7 6.4 3000 146 33 87 15| 4.3 2.4 6.7|164.5 0.0 164.5 54.8 0.74| 7.4 5.4 4000 145 35 94 17| 3.2 2.0 5.3|169.9 0.0 169.9 42.5 0.74| 5.7 4.2 5000 145 36 98 18| 2.6 1.6 4.2|173.1 -19.3 153.8 30.8 0.62| 5.0 3.1 6000 144 37 97 19| 2.2 1.2 3.4|173.1 -66.6 106.6 17.8 0.40| 4.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250501.00.gif