Re: Possible April Freeze

by **WxFreak** 2012-04-11, 3:50 pm

Noticed an unexpected area of clouds dropping south out of Kentucky. Forecasts for that area called for a sunny day, but are overcast, instead. Not sure if the clouds will dissipate after sunset, but if not, and they move over us, temps may be held up a bit. In any event, still looks like a chilly night.

by **Toot** 2012-04-11, 5:01 pm

Looks like the thin cumulus clouds are waning and alot of places will drop down to near or below freezing tonight. All these early gardens are in trouble facepalm

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
301 PM EDT WED APR 11 2012

...FROST AND FREEZING TEMPERATURES EXPECTED THURSDAY MORNING...

.AN UNSEASONABLY COLD AIR MASS WILL CONTINUE TO BE OVER THE
SOUTHERN APPALACHIAN REGION THROUGH THURSDAY...CREATING FREEZING
TEMPERATURES AND AREAS OF FROST EARLY THURSDAY MORNING.

NCZ060-061-TNZ012>018-035>047-067>074-081-082-086-087-098-101-102-
VAZ001-002-005-006-008-120900-
/O.UPG.KMRX.FZ.A.0002.120412T0600Z-120412T1300Z/
/O.NEW.KMRX.FZ.W.0002.120412T0600Z-120412T1300Z/
CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-
SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN-
NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE-
SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER-
SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT-
BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS-
SEQUATCHIE-BLEDSOE-NORTHWEST MONROE-SOUTHEAST MONROE-MARION-
WEST POLK-EAST POLK-LEE-WISE-SCOTT-RUSSELL-WASHINGTON-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...ONEIDA...
LA FOLLETTE...TAZEWELL...SNEEDVILLE...ROGERSVILLE...KINGSPORT...
BRISTOL...MOUNTAIN CITY...WARTBURG...CLINTON...OAK RIDGE...
MAYNARDVILLE...RUTLEDGE...MORRISTOWN...NEWPORT...COSBY...
GREENEVILLE...CEDAR CREEK...JOHNSON CITY...ERWIN...ELIZABETHTON...
ROAN MOUNTAIN...KINGSTON...LENOIR CITY...KNOXVILLE...DANDRIDGE...
MARYVILLE...CADES COVE...SEVIERVILLE...GATLINBURG...DUNLAP...
PIKEVILLE...MADISONVILLE...COKER CREEK...JASPER...BENTON...
DUCKTOWN...JONESVILLE...WISE...NORTON...GATE CITY...LEBANON...
ABINGDON
301 PM EDT WED APR 11 2012 /201 PM CDT WED APR 11 2012/

...FREEZE WARNING IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 9 AM EDT
/8 AM CDT/ THURSDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 9 AM EDT
/8 AM CDT/ THURSDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT.

* EVENT...TEMPERATURES WILL FALL TO NEAR OR BELOW FREEZING IN MANY
LOCATIONS OVERNIGHT. SHELTERED VALLEYS WILL FALL INTO THE
20S...ESPECIALLY IN THE MOUNTAINS OF EAST TENNESSEE.

* TIMING...TEMPERATURES WILL APPROACH FREEZING AFTER 2 AM AND
CONTINUE TO FALL...WITH FREEZING CONDITIONS EXPECTED FOR 1 TO 4
HOURS. TEMPERATURES WILL RISE ABOVE FREEZING BETWEEN 8 AM AND 10
AM THURSDAY MORNING.

* IMPACTS...FREEZING TEMPERATURES WILL DAMAGE OR KILL SENSITIVE
AND TENDER VEGETATION THAT IS LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED OR
OCCURRING. THESE CONDITIONS MAY KILL CROPS AND OTHER SENSITIVE
VEGETATION THAT ARE LEFT UNPROTECTED.

by **windstorm** 2012-04-11, 5:12 pm

Low this morning 10 miles NE of Chattanooga was 37.2. No frost.

by **WxFreak** 2012-04-12, 6:07 am

Woke up to 33F. No frost on the ground, mainly due to the canopy of trees. There is some frost on the windshield this morning. Noticed Knoxville (TYS) was 36, while Jefferson City (wunderground.com) is 27.2. Ouch.
Sunrise still an hour away, so will probably settle down to just below freezing here for a very short duration.

by **Adam2014** 2012-04-12, 7:09 am

I am at 31 and the temperature is still going down some. There is some patchy frost but not to bad. I think we are going to be alright.

by **WxFreak** 2012-04-12, 7:38 am

Adam2014 wrote:I am at 31 and the temperature is still going down some. There is some patchy frost but not to bad. I think we are going to be alright.

I bottomed out at 32.2F. I'm sure there are areas that dropped into the 20's, and the damage is probably more extensive in those areas. The longer the duration below freezing, the more damage that is done to plants.
I saw some fields covered in white frost morning, but all in all, not nearly as bad as April 2007.

by **Toot** 2012-04-12, 8:11 am

Pretty heavy frost here..what damage it has done remains to be seen. I hope its not too bad

by Vanster67 2012-04-12, 8:17 am

heavy frost here also.. still a bit below freezing..

by **Adam2014** 2012-04-12, 8:19 am

I am below freezing but I did not recieve that much frost. There is a little wind right now, that might have just saved me thank goodness.

by **windstorm** 2012-04-12, 9:27 am

Here NE of Chattanooga we had 36. Some patchy frost mostly on roof top. Chattanooga Airport at 7 A.M. had 40 degrees. Not sure if it drop any more at the Airport. So the way things look around here we were lucky. On the Mt tops around Chattanooga it was in the upper 20's...... Have a good day everyone.

by **WxFreak** 2012-04-12, 9:35 am

Parts of Kentucky took a dive deep into the 20's. Damage probably pretty widespread in that neck of the woods...

000
FXUS63 KJKL 121251 AAA
AFDJKL

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON KY
851 AM EDT THU APR 12 2012

.UPDATE...
ISSUED AT 729 AM EDT THU APR 12 2012

UPDATED THE FORECAST TO REFLECT CURRENT CONDITIONS AND MODEL TRENDS.
FROM LOOKING AT THE TEMPERATURES THIS MORNING...EXPECT WE WILL BE SOME REPORTS OF CROP DAMAGE FROM THE FREEZE. THE PAINTSVILLE MESONET...CAVE RUN LAKE...AND WEST LIBERTY CAME IN WITH A LOW TEMPERATURE READING OF 25 DEGREES THIS MORNING. SOME OTHER LOCATIONS CAME IN WITH 26. FROST IS POSSIBLE AGAIN TONIGHT...HOWEVER IT SHOULD NOT BE ASWIDESPREAD. THE REST OF THE FORECAST IS ON TRACK.

by **Toot** 2012-04-13, 7:55 am

Frost damage very visible here this morning. Especially on blooms

by **WxFreak** 2012-04-13, 8:22 am

Got down to 35F this morning. Again, no visible frost except on the car windshield. I guess the tree canopy has a benefit beyond summertime shade, as it kept the damaging frost formation to a minimum, while down the road, the fields were white yet again this morning.

by **Stovepipe** 2012-04-13, 8:25 am

Lucked out here in Knox. Even the windshields were frost free.

by **windstorm** 2012-04-13, 8:56 am

38.5 here. No frost that i see. Better enjoy these nice cool morning. Because you know what is coming. Have a good weekend everyone..

by **John1122** 2012-04-14, 4:50 am

Ended up with lows of 31, 26 and 32 the last three days. Heavy bloom damage, and some leaf damage. No apples for me again this year.

by **WxFreak** 2012-04-14, 8:38 am

I was pretty lucky. Even with lows near freezing here, there was very little frost. I had one tree that showed a little frost nip, but that was it.
I wonder how the apple orchard in Cocke county fared? There is also a very large orchard just west of Somerset, Ky. that my folks go to every year. Hope they didn't have a lot of damage to this year's crop of apples. They were in the 20's up there two or three nights in a row.

by **Toot** 2012-04-14, 8:49 am

Carvers Apple Orchard (Cocke county) probably took a pretty hard hit unless they took some kind of precautions. I know those trees were in heavy blooom when this occured so I wouls say they have considerable damage

by **Toot** 2012-04-15, 8:39 am

Yet another widespread freeze/frost looks like an increasing possibility in about a weeks time. Go away cold!!

by **WxFreak** 2012-04-15, 9:08 am

That would be considered a late season freeze, as the 15th is usually seen as the average last date for frost around here. Not to mention, the nights are getting shorter. Hopefully, it will go away as it draws closer.

by **Toot** 2012-04-15, 10:00 am

Several models are also showing the chance of some mountain snow showers around the 23rd. The CMC is way cold for this time of year.

Hopefully it has completely lost its mind hurry

0z GFS

by **WxFreak** 2012-04-15, 12:07 pm

Wow. Certainly looks as if it has been smokin' something, or got a screw lose somewhere. Those troughs are deeeeeeep. facepalm

Didn't see anything that extreme all winter.

by **Toot** 2012-04-15, 9:58 pm

Some of the 12z ensembles were SUPER cold for this time of year while the 18z's were just a little cold.

The 12z euro gets pretty cold also...look how massive that ridge is out west yikes

It gets even taller as it centers itself over the central US
Possible April Freeze - Page 4 F216

Highly amplifed pattern seems to be a given.... exactly where this longwave pattern sets up will ultimately decide how cold we go.

by **Toot** 2012-04-16, 5:51 pm

12z Ensembles are pretty damn cold...Im beginning to wonder if lows in the 20's are on the table again..lol

Possible April Freeze - Page 4 D6

by **snowdog** 2012-04-16, 5:54 pm

Toot wrote:12z Ensembles are pretty damn cold...Im beginning to wonder if lows in the 20's are on the table again..lol

Yep, Euro was cold as well. I feel bad for the farmers, but I can't say that I don't enjoy these cool spring days.

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