Post the daily low temps in your area

[cheezyWXguy]

I think I got down to near 22-24 degrees...maybe around 6:00 or so

[WindRunner]

Lowest this season: 11.5F

[Tyler]

28 was my morning low this morning...
Yesterday morning my low was 24, the coldest of the season yet!

[arkess7]

was 25 here at 6:30 this morning......brrrrrrrrrrrrrrrrrr

[cycloneye]

The low this monday morning was 57*F.

[Extremeweatherguy]

This morning I hit 26.8F in NW Houston (that is 4F warmer than yesterday).

[dizzyfish]

28* at 5:10. Think we got down to 26*. Very crunchy and slippery out back.

[stormy1959]

22 degrees this morning here. A lot more frost and the water in my son's boat is frozen.

[arkess7]

21 degrees here in Ocala this morning at 630am.

[Air Force Met]

This morning I hit 26.8F in NW Houston (that is 4F warmer than yesterday).

What sort of temp sensor are you using? I think it may be about 3-4 degrees too cold. The coldest I could find in that area was about 26 (and these are personal WX stations...not calibrated)...with everything else nearer to 27...28 and up on the 12th and then 29F and up on the 13th.

Even CLL was only officially 26F on the 12th, Huntsville was 28F and KLFK was 26F. Longview was 25F, Waco was 23F as was Austin.

So...I have a very hard time believing it is a local effect. You should not have the lowest temp in a 150 mile area...especially when all the other temps are within a degree or two of each other and yours is 3 degrees below the lowest....and even that one is a personal weather station is is subject to being too low because it may not be calibrated right (or it may be in the wrong position...etc) For instance...my temp with my personal wx station is calibrated and at 6' (USAF observing height) and shaded...but even with that I know I may not get the right hi temp...but I am pretty sure my lows are good...I've calibrated them with a sling.

So...what are you using to measure your temps? Where is it positioned and you may need a new thermometer or you need to apply a cor (which is what we do in the observing world to instruments that read hi or low).

[jasons2k]

AFM I agree. EWG - that picture you posted of your thermometer with the 22 on Sunday - it looked like it was laying horizontal on the ground. I really think you are getting some whack readings. The coldest I got was 29 on Sunday AM; I use a pretty high-end calibrated mercury thermometer, shaded, at 2M (6').

[Air Force Met]

AFM I agree. EWG - that picture you posted of your thermometer with the 22 on Sunday - it looked like it was laying horizontal on the ground. I really think you are getting some whack readings. The coldest I got was 29 on Sunday AM; I use a pretty high-end calibrated mercury thermometer, shaded, at 2M (6').

And that is about where most of the area was. Rural Mont. county was at 27F...Caldwell was 28F, Clear Creek area was 26F. To think that one place is 3F colder than everywhere else (especially in SETX) and that one place is the coldest place within 150 miles (closer to the gulf) doesn't make sense. The only way I buy that if its a calibrated thermometer...and if the calibration has been taken by someone who knows how. If it's laying on the ground (or near it) then it is for sure not the correct temp.

[Scorpion]

Down to about 31 this morning I am guessing. Lots of ice on my windshield and frost.

[JonathanBelles]

35 with heavy ice, even lost power 6 or 7 times in intervals of a few minutes at a time

[Extremeweatherguy]

This morning I hit 26.8F in NW Houston (that is 4F warmer than yesterday).

What sort of temp sensor are you using? I think it may be about 3-4 degrees too cold. The coldest I could find in that area was about 26 (and these are personal WX stations...not calibrated)...with everything else nearer to 27...28 and up on the 12th and then 29F and up on the 13th.

Even CLL was only officially 26F on the 12th, Huntsville was 28F and KLFK was 26F. Longview was 25F, Waco was 23F as was Austin.

So...I have a very hard time believing it is a local effect. You should not have the lowest temp in a 150 mile area...especially when all the other temps are within a degree or two of each other and yours is 3 degrees below the lowest....and even that one is a personal weather station is is subject to being too low because it may not be calibrated right (or it may be in the wrong position...etc) For instance...my temp with my personal wx station is calibrated and at 6' (USAF observing height) and shaded...but even with that I know I may not get the right hi temp...but I am pretty sure my lows are good...I've calibrated them with a sling.

So...what are you using to measure your temps? Where is it positioned and you may need a new thermometer or you need to apply a cor (which is what we do in the observing world to instruments that read hi or low).

Conroe is closer than College station and they hit 23F on Sunday morning...which is within that 150 mile bubble. Also, down there in Angleton they officially hit 24F (and you should know that since you live there); Angleton is also in the 150 mile bubble. As for what I use to measure my temps...I use a digital thermometer that is located at probably 4-5 feet of height (not the 6ft recommended), and it is located in my backyard on a gazebo railing. BUT to verify the readings..I also have an bulb thermometer located at roughly 6 feet. This too was at the 22-24F mark on Sunday morning. I am also pretty confident in my readings due to the complete death of all banana trees (that were coming back to life) in my vicinity and also some serious palm burn I received. I also experienced many burnt leaves from sensitive trees in my backyard. There was also good frost/ice in my area from the cold. Here is a picture of some of that:


The frost was not the same that I experienced on normal cold nights either. Since the air was drier..the frost was thinner, but overall..more widespread.

Overall I feel fairly confident that my reading was correct. I am usually 1-4F colder than Hooks airport on good radiational cooling nights, and since they hit 27F...I feel that my 23F is feasible. Another reason that I support my 23F reading was that my area seemed to get calm winds more so during the night then at the local recording stations...which aided in the cooling.

[Extremeweatherguy]

AFM I agree. EWG - that picture you posted of your thermometer with the 22 on Sunday - it looked like it was laying horizontal on the ground. I really think you are getting some whack readings. The coldest I got was 29 on Sunday AM; I use a pretty high-end calibrated mercury thermometer, shaded, at 2M (6').

And that is about where most of the area was. Rural Mont. county was at 27F...Caldwell was 28F, Clear Creek area was 26F. To think that one place is 3F colder than everywhere else (especially in SETX) and that one place is the coldest place within 150 miles (closer to the gulf) doesn't make sense. The only way I buy that if its a calibrated thermometer...and if the calibration has been taken by someone who knows how. If it's laying on the ground (or near it) then it is for sure not the correct temp.

It was not on the ground. It is on a railing that is a good 4 feet high. Also, I back up my readings with a bulb thermometer located at a higher level. Also..once again..Conroe hit 23F and Angleton (MUCH closer to the Gulf) hit 24F...and you should know that because you live there.

[Brent]

35 with heavy ice, even lost power 6 or 7 times in intervals of a few minutes at a time

What??? I'm having a very hard time believing that. You only got down to 35 with ice? That makes no sense, and you certainly wouldn't have lost power 6 or 7 times.

24.1 here. Coldest of the season so far...

[Tyler]

35 with heavy ice, even lost power 6 or 7 times in intervals of a few minutes at a time

What? I don't know about that... 35 and heavy ice does not match.

[Air Force Met]

Conroe is closer than College station and they hit 23F on Sunday morning...which is within that 150 mile bubble. Also, down there in Angleton they officially hit 24F (and you should know that since you live there); Angleton is also in the 150 mile bubble. As for what I use to measure my temps...I use a digital thermometer that is located at probably 4-5 feet of height (not the 6ft recommended), and it is located in my backyard on a gazebo railing. BUT to verify the readings..I also have an bulb thermometer located at roughly 6 feet. This too was at the 22-24F mark on Sunday morning. I am also pretty confident in my readings due to the complete death of all banana trees (that were coming back to life) in my vicinity and also some serious palm burn I received. I also experienced many burnt leaves from sensitive trees in my backyard. There was also good frost/ice in my area from the cold. Here is a picture of some of that:


The frost was not the same that I experienced on normal cold nights either. Since the air was drier..the frost was thinner, but overall..more widespread.

Overall I feel fairly confident that my reading was correct. I am usually 1-4F colder than Hooks airport on good radiational cooling nights, and since they hit 27F...I feel that my 23F is feasible. Another reason that I support my 23F reading was that my area seemed to get calm winds more so during the night then at the local recording stations...which aided in the cooling.

First of all...Angleton's airport temps are always too low. They DO need to be recalibrated. I live there....within 4 miles of the airport (and the airport is CLOSER to the coast!)...and I was at 29.8F for a low and I AM calibrated to the 1/10th of a degree with a certified thermometer.

Second...did you bother to look at LBX's temps at all or just their low? They went from 25F to 30F to 24F all in the space of 2 hours. Does that sound like a well calibrated instrument to you? Yesterday they were 29F...I was 33F. The sensor they have doesn't do real bad when it is warmer...but flakes out when it gets cold. I live there...I'm telling you it wasn't 24F. I have 2 thermometers at my house...even the one near the pasture (which runs about 2 F colder) was only 28F on the 12th.

As far as Conrow goes...I'll give you that one...but that is one location. They usually run colder and it could also be a calibration issue (and I say this...not to give my arguement weight...but with 19 years of experience). I have worked with sensors on air force bases that were out of wack before and have been discounted....a local regional runway...ASOS...well...let's just say when everyone else says one thing...and one voice says another...I usually stick with the multitude of witnesses.


All I'm saying is I think it's too low. Of course you want it to be low (and don't even bother saying you don't ) ) but in my opinion and just looking at the area and obs around you...I think it's too low.

But...just an opinion. BUt...I do live in Angleton and I do know how cold it was here on Sunday morning, and I can tell you for a fact it was not 24! I don't care what LBX said. If you go back over the last 2 years...you can see their temp readings getting progressively colder during winter. It used to be they were about the same as Hobby several years ago...then about 3 years ago they were the same as IAH...now they are 7F colder than IAH? There is no heat island big enough to account for that. They need to calibrate that sensoe...and they need to do it on a cold day.

[Extremeweatherguy]

35 with heavy ice, even lost power 6 or 7 times in intervals of a few minutes at a time

What? I don't know about that... 35 and heavy ice does not match.

does not match not at all! Seems like fact789 is overplaying this event too much. With 35..you are going to see some frost, but not "heavy" ice. "heavy" ice is when there is so much ice that power poles and trees are snapping...not when a car windshield has some ice on it.