UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 28 NOV 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 162 1 925 821 SFC 906 997 14.0 8.0 67 6.0 10.5 170 7 295.4 296.7 287.8 317.0 7.44 3 850 1531 10.4 5.4 71 5.0 7.6 170 17 297.0 298.2 287.6 316.5 6.63 4 781 2229 5.2 1.2 75 4.0 3.2 179 17 298.7 299.7 286.9 314.6 5.35 5 700 3115 0.0 -3.4 78 3.4 -1.6 190 17 302.5 303.3 287.2 315.4 4.25 6 694 3184 0.4 -4.6 69 5.0 -1.9 191 18 303.7 304.4 287.3 315.7 3.91 7 688 3254 -0.5 -6.5 64 6.0 -3.1 192 18 303.4 304.1 286.7 313.9 3.41 8 633 3916 -5.1 -14.1 49 9.0 -8.2 202 24 305.5 305.9 286.0 311.9 2.03 9 615 4143 -6.3 -14.3 53 8.0 -9.1 205 26 306.7 307.0 286.5 313.2 2.05 10 538 5176 -14.3 -25.3 39 11.0 -16.9 221 36 309.1 309.2 286.1 312.1 0.91 11 529 5304 -14.3 -32.3 20 18.0 -17.7 223 37 310.6 310.6 286.1 312.2 0.48 12 512 5552 -16.1 -36.1 16 20.0 -19.4 227 39 311.3 311.4 286.2 312.5 0.34 13 500 5730 -18.3 -28.3 41 10.0 -20.3 230 41 310.7 310.9 286.5 313.3 0.74 14 486 5942 -19.3 -27.3 49 8.0 -21.0 230 43 312.0 312.2 287.1 314.9 0.84 15 436 6741 -25.1 -40.1 23 15.0 -26.9 230 50 314.5 314.6 287.2 315.5 0.27 16 400 7360 -31.3 -55.3 8 24.0 -32.7 230 55 314.3 314.3 286.9 314.5 0.05 17 344 8413 -39.1 -53.1 21 14.0 -39.8 235 59 317.6 317.6 288.1 317.9 0.08 18 311 9098 -43.5 -54.5 29 11.0 -44.0 239 61 320.7 320.7 289.0 321.0 0.07 19 300 9340 -45.1 -57.1 25 12.0 -45.5 240 62 321.8 321.8 289.3 322.0 0.06 20 253 10462 -51.1 250 107 329.0 21 252 10488 -51.1 250 107 329.3 22 250 10540 -51.1 250 108 330.1 23 224 11252 -53.1 246 112 337.6 24 216 11487 -53.9 245 113 339.9 25 200 11980 -55.5 250 103 344.9 26 187 12411 -55.3 246 89 351.9 27 150 13810 -60.3 235 42 366.2 28 123 15031 -63.5 245 50 381.8 29 100 16300 -62.5 255 58 407.0 30 92 16814 -64.3 248 53 413.2 31 81 17594 -65.5 237 46 426.1 32 70 18490 -63.1 225 37 449.4 33 63 19144 -61.1 233 40 467.5 34 60 19449 -59.1 236 42 478.6 35 50 20590 -61.1 250 47 499.5 36 49 20715 -61.1 250 47 502.4 37 43 21529 -60.1 249 49 524.0 38 36 22631 -62.5 247 51 545.1 39 34 22986 -60.3 246 52 559.8 40 30 23770 -58.1 245 53 586.2 41 29 23983 -59.1 245 53 589.2 42 27 24432 -57.3 245 52 606.4 43 22 25738 -53.1 245 49 655.5 44 20 26350 -54.3 245 48 670.0 45 17 27387 -56.3 251 57 695.4 46 14 28620 -56.5 258 68 734.5 47 11 30169 -51.1 267 81 806.5 48 10 30790 -50.3 270 86 831.8 49 9.5 31124 -51.5 839.5 50 7.4 32747 -51.3 902.5 51 7.1 33017 -48.3 925.6 52 5.7 34473 -45.5 997.9 53 5.2 35085 -45.1 1026.2 TRP 253 10462 -51.1 250 107 329.0 WND 216 11487 -53.9 245 113 339.9 Sounding variables and indices 1000-500 mb thick: 5568.00 m Freezing level: 691.33 mb = 3215.16 m = 10548.31 ft Wetbulb zero: 726.66 mb = 2812.53 m = 9227.34 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 57.70 % Est. max temperature: 18.36 C = 65.05 F Sfc-Lift cond lev (LCL): 827.79 mb = 1749.32 m = 5739.17 ft T: 8.77 C 700-500 lapse rate: 7.00 C/km ThetaE index: 2.33 C Layer 850.0- 700.0 mb Conv cond level (CCL): 759.17 mb = 2458.44 m = 8065.67 ft Mean mixing ratio: 6.66 g/kg Conv temperature: 18.22 C = 64.79 F Cap Strength: 1.96 C Lifted Index: 0.20 C Risk: Showers probable Lifted Index @300 mb: 4.27 C Lifted Index @700 mb: 1.15 C Showalter Index: 0.08 C Risk: Thunderstorms probable Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 23.70 C K Index: 30.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 341.05 Risk: Showers and thunderstorms possible Energy Index: -0.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.16 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 56356.23 J/kg Cap Strength: 1.70 C Lift Cond Lev (LCL): 791.10 mb = 2123.10 m = 6965.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 246 at 21 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 ---------------------------------------------------------- 0 906 997 170 7 -1.2 6.9 | 85 21 -20.6 -1.9 1 850 1531 170 17 -3.0 16.7 | 110 24 -22.3 7.9 2 700 3115 190 17 3.0 16.7 | 116 18 -16.4 7.9 3 500 5730 230 41 31.4 26.4 | 214 21 12.0 17.6 4 400 7360 230 55 42.1 35.4 | 221 35 22.7 26.6 5 300 9340 240 62 53.7 31.0 | 237 41 34.3 22.2 6 253 10462 250 107 100.5 36.6 | 251 86 81.2 27.8 7 250 10540 250 108 101.5 36.9 | 251 87 82.1 28.1 8 216 11487 245 113 102.4 47.8 | 245 92 83.0 39.0 9 200 11980 250 103 96.8 35.2 | 251 82 77.4 26.4 10 150 13810 235 42 34.4 24.1 | 224 21 15.0 15.3 11 100 16300 255 58 56.0 15.0 | 260 37 36.6 6.2 12 70 18490 225 37 26.2 26.2 | 201 19 6.8 17.4 13 50 20590 250 47 44.2 16.1 | 254 26 24.8 7.3 14 30 23770 245 53 48.0 22.4 | 245 32 28.6 13.6 15 20 26350 245 48 43.5 20.3 | 245 27 24.1 11.5 16 10 30790 270 86 86.0 -0.0 | 278 67 66.6 -8.8 Wind Parameters Mean winds (0-6000m): 215.6 at 28.4 knts Storm direction: 245.6 at 21.3 knts Shear (0-3000m) pos: 2.5 neg: 1.6 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 61.9 deg Storm rel helicity (0-3000m) pos: 111.1 neg: 0.0 tot: 111.1 m^2/s^2 ave: 37.0 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 63.27 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 ------------------------------------------------------------------------------- 500 170 12 97 22| 0.0 9.6 9.6| 51.1 0.0 51.1 102.2 0.95| 9.6 9.2 1000 172 14 104 22| 0.9 4.8 5.8| 59.4 0.0 59.4 59.4 0.89| 5.9 5.3 1500 174 15 107 22| 1.2 3.2 4.4| 63.7 0.0 63.7 42.4 0.82| 4.6 3.8 2000 177 16 109 21| 1.4 2.4 3.8| 66.9 0.0 66.9 33.4 0.76| 3.9 3.0 2500 181 16 111 21| 1.9 1.9 3.8| 86.1 0.0 86.1 34.5 0.80| 4.1 3.2 3000 185 17 115 20| 2.5 1.6 4.1|111.1 0.0 111.1 37.0 0.84| 4.3 3.6 4000 197 20 128 17| 3.4 1.2 4.6|166.1 0.0 166.1 41.5 0.89| 4.8 4.3 5000 209 24 148 15| 3.9 1.0 4.9|218.2 0.0 218.2 43.6 0.87| 5.1 4.4 6000 216 28 169 15| 3.2 1.3 4.6|231.2 0.0 231.2 38.5 0.77| 5.0 3.9 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251128.12.gif