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Severe risk to our northwest today

Good morning bloggers,

It just keeps raining.  What are your April rainfall totals so far?  We will list them below, so send in your totals if you have one.  KCI airport is up to 4.37" with a week to go. 

April Rainfall totals (As of April 24th):

  • Overland Park (south), KS:  5.56"
  • Grain Valley, MO:  5.21"
  • KCI Airport, MO:  4.37"

 

Severe thunderstorms will likely break out way out to our northwest today.  As we talked about last night on NBC Action News, the threat is very slight for our entire viewing area.  We will analyze this situation closely today and if we see any serious threat we will let you know, but look below at the two maps:

The black hatched area is where I believe the most significant severe weather threat is located.  And, the Storm Prediction Center agrees as you can see their threat below:

Our weather team will be tracking these developments, and the next two chances for thunderstorms as well.  A cold front is going to move through on Friday morning, but the most likely area to see thunderstorms will be Nebraska, Iowa, and extreme northern Missouri on Friday morning.  Saturday looks like a great day.

Brett Anthony and Jeremy Nelson will be tracking these developments during the morning.  Our Mid-day show begins at 11 AM and we should have a much better idea of what will happen today by later this monring.

Have a great morning.  Check back in later today for an update.

Gary

Published Thursday, April 24, 2008 6:13 AM by glezak

Comments

 

twister11 said:

i couldnt tell you how much rain has fallen over the last couple of days since the rain gauge got broke by the neighbor kids, but it has been raining for like ever. and I see its going to rain for another hour or two.
April 24, 2008 6:32 AM
 

tirzah2 said:

Just ck'd the rain gauge and it had 1.2"

Laura in Raytown
April 24, 2008 6:47 AM
 

VdoManZ said:

.75 total in SE Lee's Summit @ 50wy and Todd George.....
April 24, 2008 6:51 AM
 

siraluce said:

KCK near North 18th and State:  1.03 inches to 7 AM.
April 24, 2008 7:09 AM
 

Larry A said:

NW Lawrence received 0.63" through 7:00 AM today.  The total so far in April is 3.63".
April 24, 2008 7:25 AM
 

frigate said:

Gary,

Another .69 from last evening bringing my montly total here in SW Grain Valley to 5.21.  

Jeff  
April 24, 2008 7:27 AM
 

WinterTracker said:

It looks like there is a little more action backbuilding towards the south side this morning. It looks like the main bulk of rain will miss us, but there are a few storms that just popped up to the west and continue to show signs of doing so.
April 24, 2008 7:27 AM
 

WinterTracker said:

Oh yeah, about 2" here at 133rd and Pflumm(very similar to the amount reported at JCAC-always). Tomorrow looks miserably cold compared to today. :)(
April 24, 2008 7:29 AM
 

kcroyals05 said:

Good morning Weather Team.

1.20 inches of rain in Grandview.   I'm not sure how much rain we have had for the month, but I can say we have had 2,15 inches this week....

Bill
April 24, 2008 7:36 AM
 

juba said:

April rainfall total, i dont have, but we got 2.00" of rain at Jo Co executive Airport yesterday and last night, one storm came thru before the heavy rain and gave us .50" in about 15 minutes!
April 24, 2008 7:38 AM
 

Tim in West Shawnee said:

.65" in Shawnee for Wednesday's system.

Tim
April 24, 2008 7:45 AM
 

Barbara said:

My final total for yesterday at 151st and Pflumm is 1.5"  
April 24, 2008 7:57 AM
 

macnkc said:

Gary, yesterday you commented you had doubts about last nights
overnight storms. It turns out you were right, as far as east side of KCK anyway.  Did the east/southeast wind yesterday help reduce the amount of rain overnight?

----------------

It had nothing to do with the east-southeast wind.  There just isn't a true warm front that I can find on the data.  It is very weak, so there was  nothing really there to concentrate a low level jet over a warm frontal boundary. 

Anyway, after this last band of showers moves by, that should be it for the day.  And, I hope so as it is my birthday, and I would rather not deal with severe thunderstorms today.

Gary

April 24, 2008 8:31 AM
 

kristy said:

my total from last nite in se lee's summit is .79in thx, kristy
April 24, 2008 8:35 AM
 

weatherwonder said:

Gary, A Great Big Happy Birthday, if I am remembering your birthdate correctly.  May it be a very special day for one who desires to be helpful and friendly to everyone!!!!!  If my memory is wrong, just save this wish till your birthday actually rolls around!
Edna in Leavenworth

--------------

Edna,

You are correct and thank you very much.  I am leaving right now for Aquilla, downtown.  It is bring your sons and daughters to work day at Aquilla, and I am bringing Stormy to visit with the kids at 9:30 AM.

Have a great day.  We will update the blog later when we see some new developments.

Gary

April 24, 2008 8:38 AM
 

Barbara said:

Awww...HAPPY BIRTHDAY, GARY!
April 24, 2008 8:44 AM
 

Luthur said:

About a 1/2 inch near Ward Parkway Mall.  Which is fine by me.  Ground is wet and I need to mow.
April 24, 2008 8:46 AM
 

justkeepsinging said:

WooHoo!!!!  Happy Birthday Gary. I hope it is an amazing day for you!  You deserve it. May all your birthday wishes come true. It's Gary Lezak day.
April 24, 2008 9:11 AM
 

FairWeather007 said:

Happy Birthday, Gary!!!

At 87th & Antioch in northern Overland Park, we had about .83 inches. This caused a massive influx of earthworms into my family room--they come in under our patio door. I am ready for it to dry out enough that either my husband or I can mow our lawn. I was hoping to do it last night, and it obviously couldn't happen. :)

****************

May not dry out for another several days.  We'll see breaks from the rain in good chunks, like most of Saturday at the moment.  But just keep the rain gear close to the door before leaving each day.

Jeremy

April 24, 2008 9:29 AM
 

MrSteve said:

What are your April rainfall totals so far?

********************

One soggy backyard
One damp basement
One wet pair of shoes
One leaky roof
and a new lake in the front yard
April 24, 2008 9:40 AM
 

stormlover said:

our rain guage had 1.5 inches in the last 24 hours.

****************

Thanks for the total!  Make sure to empty the gauge today.

Jeremy

April 24, 2008 9:51 AM
 

goodlife said:

323rd and hwy 7   between Garden City and Creighton    1.20" storm total
April 24, 2008 9:54 AM
 

chieffan07 said:

Hello, I was just wondering, is there is a threat of severe weather in the metro area overnight tonight?

I know you have said that the threat for today will be to our north and west but I was just wondering about overnight tonight into Friday morning.

Thank you

****************

There is a better chance after midnight, but we are looking at mainly a hail or strong wind threat.

Jeremy

April 24, 2008 9:56 AM
 

goodlife said:

Is there any possibility of saving an inch or two for July?    
The farmers are really needing to plant corn and I'm sure we'll need it worse in July then now.  
I know, farmers always complain about the weather.

*****************

I have relatives who are farmers so I understand.  They haven't complained much about the higher grain/corn prices though:)

Jeremy

April 24, 2008 9:58 AM
 

Braysmama said:

My house received .8 of rain yesterday, and looking at my monthly total, adding it all up I have 6.67 inches just southwest of Kingsville. Not sure if that's right, but I track it everyday and have had ten day's with rain.

******************

Thanks for the rain total!  More is on the way the next 2-4 days.  Hopefully we see a nice period of dry weather soon.

Jeremy

April 24, 2008 9:59 AM
 

Scott said:

Just some thoughts to pollute and distract.. LOL

From above... "Severe thunderstorms will likely break out way out to our northwest today.  As we talked about last night on NBC Action News, the threat is very slight for our entire viewing area."

From the NWS in Pleasant Hill..."THE COLD FRONT SHOULD ENTER NORTHWEST
MISSOURI OVERNIGHT. WITH MOISTURE POOLING ALONG THIS BOUNDARY AND
INCREASING ELEVATED INSTABILITY INTO NORTHWEST MISSOURI AND
NORTHEAST KANSAS LATE TONIGHT...ONGOING STORMS ON THE FRONT MAY
CONGEAL INTO AN MCS THAT COULD PRODUCE DAMAGING WINDS AND HAIL INTO
THIS REGION TOWARD MORNING."

From the SPC..." ...KS/OK...
  CONSIDERABLE UNCERTAINTY EXISTS IN COVERAGE OF SEVERE STORMS ALONG
  DRYLINE FROM I-70 SOUTHWARD ACROSS KS INTO OK.  OPERATIONAL AND
  EXPERIMENTAL MODELS AGREE THAT CYCLONIC UPPER FLOW...WEAK MID LEVEL
  HEIGHT FALLS...AND SOME COOLING ALOFT WILL OCCUR ATOP SURFACE
  DRYLINE THIS AFTERNOON.  VERY WARM/MOIST CONDITIONS WILL LEAD TO
  MLCAPE VALUES OVER 3500 J/KG ALONG DRYLINE WITH MINIMAL CAP.
  DESPITE THESE POSITIVES...VERY FEW MODELS INDICATE CONVECTIVE
  INITIATION TODAY.  THEREFORE...OUTLOOK OVER THIS AREA IS HIGHLY
  CONDITIONAL.  IF STORMS CAN DEVELOP...FORECAST SOUNDINGS INDICATE
  EFFECTIVE HELICITY OF 150-300 M2/S2 AND EFFECTIVE SHEAR VALUES OF
  35-40 KNOTS...WHICH WOULD STRONGLY FAVOR SUPERCELLS CAPABLE OF VERY
  LARGE HAIL AND TORNADOES."

Tough call.

Here is my favorite...regarding this weekend.  From Monday on this blog - "It appears that we have had our last freeze (April 14).  This doesn't mean there won't be another morning below 40 degrees with a chance of frost, but even this possibility isn't showing up right now."

From the NWS - "AND ALSO HAVE THE POTENTIAL OF DRAWING SOME COLDER
AIR IN FROM CANADA AND THE NORTHERN ROCKIES BY LATER ON SUNDAY. THIS
WILL NEED TO BE MONITORED FOR THE POTENTIAL OF FROSTY TEMPERATURES
BY THE LATTER HALF OF THE WEEKEND"

I am not sure how models on Monday did not show this potential just within a week.  I know..I know...I made mention of it, and Gary thought maybe..  It just strikes me odd how analysis of many qualified folks can be so different.

The GFS MOS wants to put KMCI at 37 degrees.  The ETA wants KMCI at 38, the SREF plume ensemble mean bring it to 36.

The GFS model wants to build a surface high over us with some light winds, while the NAM doesn't show it closer than Colorado.

It will be something to watch for the plant people out there...I don't think its unreasonable to consider 32-36 degrees possible Sat morn and another shot Sun morn.  Much will depend on the cloud cover and the light winds...

---------------------------

Scott,

First point:  Our risk of severe weather through 2 AM is extremely slight, and I still believe this.  There is potential for thunderstorms near the southeast moving cold front on Friday morning, but any MCS will likely track well north of us tonight.  It is something we will keep monitoring though.

Second point:  Yes, there is a chance of a frost, or even a light late freeze.  Just because I say something like "this possibility isn't showing up right now", doesn't mean that there was no chance at all.  With this weather pattern being as cold as it has been I won't be surprised.  I was just telling you what I saw at the moment.  We may have frost one or two more times.  And, there may be a light freeze around the area.  I will stand by my statements, but come on Scott, be fair.

Gary

April 24, 2008 10:06 AM
 

jbtornado said:

Hey everyone..

I will be chasing today and targetting the Great Bend to Wakeeney Kansas areas later this afternoon.. Right now we have a layer of low clouds and fog out here in Central Kansas, so I'm hoping that clears out somewhat.

***************

Those clouds should at least thin by this afternoon.  I think the treat is late today where you are located.  Plenty of time.

Jeremy

April 24, 2008 10:18 AM
 

mamaof3girls said:

Hello!! My rainfall total for this rain event is 1.50 this am. I have no clue what my April total is...I know it is a lot but I am not sure the amount. Happy Birthday to Gary!! Have a great day all! I loved being able to open up my windown this am...feels and smells awesome.
Monica
Pleasanton, KS
April 24, 2008 10:51 AM
 

Randy Cooper said:

I too am considering chasing today. my target area is along the KS/NE border. I will get set up probably in Norton KS by 3 or 4 PM than make a decision on where to go once the storms fire up.

****************

Good luck...keep us updated!

Jeremy

April 24, 2008 10:51 AM
 

Scott said:

Here is the updated discussion from the SPC at 10:45AM

"...NEB/NRN KS...
  WITH STEEP MID LEVEL LAPSE RATES IN PLACE...STRONG DAYTIME HEATING
  WILL LEAD TO STEEP LOW LEVEL LAPSE RATES AND AFTERNOON MLCAPE VALUES
  OVER 2000 J/KG.  FORCING MAY NOT ARRIVE OVER INSTABILITY AXIS UNTIL
  NEAR 00Z.  HOWEVER...SCATTERED SUPERCELL THUNDERSTORMS ARE LIKELY TO
  FORM NEAR TIME OF MAX HEATING BY LATER AFTERNOON CAPABLE OF VERY
  LARGE HAIL AND A FEW TORNADOES.  ACTIVITY WILL SPREAD EASTWARD INTO
  THE MODERATE RISK AREA BY THIS EVENING WHERE RICHER LOW LEVEL
  MOISTURE WILL MAINTAIN RISK OF VERY LARGE HAIL AND TORNADOES WELL
  AFTER DARK.  ACTIVITY MAY ORGANIZE INTO AN MCS OVER CENTRAL KS/SOUTH
  CENTRAL NEB WITH AN ENHANCED WIND DAMAGE POTENTIAL AFTER 00Z.
"

Happy Birthday Gary...lol..sorry, didn't mean to rile you.  My point is when you say that the possibility isn't even showing up, yet the GFS and the LRC both point to the potential, its hard to understand why it was said this way.

Perhaps saying that while we had likely our last hard freeze, we may still have some lighter freezes based on the models.  We will have to monitor

Dunno..it just sounded like a pretty definite statement and I was confused how strongly it seemed stated when there is signs it could happen.

As far as the MCS thought.  My point above is not that you are wrong.  My point was that how folks such as the weather team, the NWS and the SPC looking at the same things come up with different conclusions with the even less that 12 hrs or so away.

The SPC and NWS bring the MCS into focus within the viewing area while you believe it will track well north.

Whatever happens happens, but my point was how even so close, things are hard to tell..not who is right or wrong.
April 24, 2008 11:09 AM
 

davidmcg said:

Gary you anted our rain totals for April as of now in McLouth we have received only 2.82 inches, dramatically less than Kansas City.  This is one of the rare years we have gotten less here than there in the spring.  It all equals out because we had more snow and ice than KC.

So far today we have a temp of 76.2, dewpoint of 64.8, humidity is 73.8, winds 6.8 gusting to 11.8 from the SE, barometer is 29.82 and falling, partly sunny skies.

******************

Thanks for the report!  Warming up quickly today.  Also a bit sticky with dew points in the low 60s.

Jeremy

April 24, 2008 11:17 AM
 

MCSev said:

Hey all, we got 9/10th of an inch 3 miles west of Leavenworth.  Gary, a forecast of a week or two of dry weather would really be nice.  TOO MUCH RAIN!  :)

******************

We'll work on the dry forecast.  But a couple of rain chances ahead thru early Sunday.

Jeremy

April 24, 2008 11:21 AM
 

Andrew_Stafford said:

What's missing?

We got Warm,Humid Air
We got Lift
We got Wind shear??

****************

The ULL support and surface front don't really near us until tonight and early tomorrow.

Jeremy

April 24, 2008 12:05 PM
 

Andrew_Stafford said:

NBC Action NEWS is now HD!!!!!!!!!!!!!!!!!!!!!!!

***************

Great observation Andrew!  The switch was flipped today and we are now in HD for all of our newscasts.  Now you will be able to tell when we have a hair out of place:)

Jeremy

April 24, 2008 12:09 PM
 

Scott said:

Andrew, in the search of "Where's Waldo" in the current atmospheric stew, I might offer up a stratus deck and little surface convection as being some of the factors inhibiting our current environment..

Knock out some of the status deck, mix in a few hours of direct sunlight and sprinkle in some cold dry air aloft, and we would have a better product.

Bon Appetit!

Looking out a few hours, still looks like unidirectional speed sheer.  Not much turning with height at all.  If looking for a nice handgun signature on the skew, so far, it looks like a toy snub nosed '38 with the top of the barrell missing...

LOL

We will need to wait much later I think for anything of interest nearby.
April 24, 2008 12:37 PM
 

Scott said:

Jeremy - that can't be!  You never have a hair out of place, and for Gary..well...

LMAO

****************

In HD I'm actually bald and Gary has a perm!

Jeremy

April 24, 2008 12:37 PM
 

Scott said:

Here is a recent update for WICT.  Amazing how ICT and TOP see this thing very different...

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WICHITA KS
1244 PM CDT THU APR 24 2008

.UPDATE...
POTENTIALLY VOLATILE SITUATION UNFOLDING ACROSS THE AREA LATE THIS
AFTERNOON AND TONIGHT. 15Z SURFACE CHART SHOWED VERY RICH MOISTURE
ACROSS EASTERN KANSAS WITH DEWPOINTS IN THE MID TO UPPER 60S IN
OKLAHOMA THAT WILL BE ADVECTING INTO THE AREA. WATER VAPOR IMAGERY
WAS SHOWING A VIGOROUS WAVE OVER ROUGHLY THE FOUR CORNERS AREA.
TIME PLOTTING THIS FEATURE OUT YIELDS ROUGHLY 22-00Z. WATER VAPOR
IMAGERY ALSO SHOWS DECENT SUBSIDENCE AHEAD OF THIS WAVE WHICH
SHOULD HELP TO ERODE CLOUD COVER ACROSS OUR WESTERN TIER COUNTIES.
THIS SHOULD LEAD TO RAPID DESTABILIZATION AND CURRENT THINKING IS
THAT CONVECTION WILL TRIGGER IN NORTHWEST KANSAS/ SOUTHWEST
NEBRASKA FIRST AND THEN ALONG THE DRYLINE FURTHER SOUTH. BOTH THE
NAM AND THE GFS SHOW A DRYLINE BULGE INTO SOUTH CENTRAL/ SOUTHWEST
KANSAS AROUND 00Z. THIS BACKS WINDS EVEN MORE IN THAT AREA.
DRYLINE THEN RETREATS A BIT BEFORE BEING OVERRUN BY THE FRONT.
THINKING IS THAT GIVEN THE INSTABILITY/SHEAR/ORIENTATION OF THE
SHEAR POTENTIAL IS THERE FOR ISOLATED LONG LIVED SUPERCELLS MAINLY
IN THE 23Z TO 03Z TIME FRAME ANYWHERE FROM RUSSELL TO HARPER COUNTY.
April 24, 2008 12:54 PM
 

Nick Rau said:

Well I tried to get this out late last night but couldn't get my comment through...
Yesterday evening was very intense, just as I left for work, we had a big cell move in with HEAVY rain, gusty winds, and some small hail for a few seconds, the rain lasted alot longer.  At work that evening after the first cell passed, I noticed through the window a nice shelf cloud coming in from the south, and soon after the rain came pounding in again.   After I got off work last night I found out that the part of town my mom was in at the time was hit much harder by that first cell,  she said that the hail was close to nickel sized, and it came down so much that it covered the ground, and the rain came down so hard that some cars in the area were stalled due to high water, also I noticed some decent cg lightning during the storm.  A very stormy night indeed!!!
And HAPPY BIRTHDAY Gary.
April 24, 2008 1:36 PM
 

Nick Rau said:

Oh, and I know this is not really going to happen but just for fun look at the what the NAM is showing in terms of heights and precip. for 1 am Sunday morning...
Just the fact that the potential tries to hang on is impressive!!
April 24, 2008 2:02 PM
 

5kckmartins said:

HAPPY BIRTHDAY GARY
April 24, 2008 2:10 PM
 

Blusky said:

Belated totals for yesterday's events and the month of April for south Lee's Summit.
As of 8AM Thursday, April 24: 1.05" and 5.90" for the month.
April 24, 2008 2:41 PM
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