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txagwxman wrote:NAM 28-29F Tomball to Katy at noon with precip slowly winding down.
wxman57 wrote:Concerning any possible ice in the greater Houston area, with the VERY strong (and dry) NW winds behind the front, any wet roads should dry quite quickly tomorrow afternoon. So it's unlikely there would be any travel issues if it rains then goes sub-freezing a few hours later.
18Z NAM fully in now, here's a meteogram. Note that the 0.03" precip (last green bar) falls between noon and 3pm, not AT 3pm. This indicates precip is ending with the temperature in the upper 30s, as indicated by the red arrow. Also note 850mb temps (5000ft up) in the 42-43F range at 3pm. NAM is saying some cold rain then precip ends, things dry out quickly, and temps drop to below freezing at IAH by 3pm.
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downsouthman1 wrote:I'm curious about Killeen/Temple.
wxman57 wrote:downsouthman1 wrote:I'm curious about Killeen/Temple.
18Z NAM suggests a short period of rain changing to freezing rain and sleet. Note that the 850mb (5000ft) temp drops to 32 just as the precip is ending. That could indicate sleet, but probably not snow. Couldn't rule out a few flakes, though.
wxman57 wrote:Concerning any possible ice in the greater Houston area, with the VERY strong (and dry) NW winds behind the front, any wet roads should dry quite quickly tomorrow afternoon. So it's unlikely there would be any travel issues if it rains then goes sub-freezing a few hours later.
18Z NAM fully in now, here's a meteogram. Note that the 0.03" precip (last green bar) falls between noon and 3pm, not AT 3pm. This indicates precip is ending with the temperature in the upper 30s, as indicated by the red arrow. Also note 850mb temps (5000ft up) in the 42-43F range at 3pm. NAM is saying some cold rain then precip ends, things dry out quickly, and temps drop to below freezing at IAH by 3pm.
http://myweb.cableone.net/nolasue/iahnam18zfeb8.gif
Tejas89 wrote:Wow, it's like waiting for water to boil for that front to hit Childress. Are we starting to believe the models a little more as far as timing for DFW?
downsouthman1 wrote:Tejas89 wrote:Wow, it's like waiting for water to boil for that front to hit Childress. Are we starting to believe the models a little more as far as timing for DFW?
The problem is there are no real monitoring stations just to the N, NW, & W of Childress.
Turtle wrote:Marshall, TX (East TX I-20)
Wednesday: Rain, snow, and sleet, becoming all snow after noon. High near 33. Northeast wind between 10 and 15 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 5 inches possible.
Up from 1-3 with a high of 36.
wxman57 wrote:txagwxman wrote:NAM 28-29F Tomball to Katy at noon with precip slowly winding down.
What data are you looking at, txagwxman? I'm seeing 2m temps 36-37 in that area for 18Z tomorrow. Those temps match the NAM forecast for 21Z tomorrow fairly closely though, but the precip should be ending by then.
http://myweb.cableone.net/nolasue/18zwed.gif
Here's the 18Z NAM temperature forecast valid 21Z tomorrow (1 deg increments). Between 29-30 Tomball to Katy.
http://myweb.cableone.net/nolasue/21zwed.gif
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