Alert archive / Kansas / Mesoscale Discussions in 2007
Mesoscale Discussion 49
The Storm Prediction Center issued this mesoscale discussion at Jan 13, 2007, 7:47 AM CST for 22 counties in Kansas; 7 counties in Missouri; 17 counties in Oklahoma. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 13, 2007, 7:47 AM CST (13:47 UTC)
- Expired
- Jan 13, 2007, 11:45 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Allen County, KS, Anderson County, KS, Barber County, KS, Bourbon County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Kingman County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Dade County, MO, Jasper County, MO, Lawrence County, MO, Newton County, MO, Vernon County, MO, Alfalfa County, OK, Craig County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Washington County, OK, Woods County, OK
The radar
The Tulsa radar (KINX), 109 km from the middle of the area, began a volume at 13:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 1.8 hours before the alert went out and 138 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 544 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 261 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 131348 SWOMCD SPC MCD 131347 MOZ000-OKZ000-KSZ000-131745- MESOSCALE DISCUSSION 0049 NWS STORM PREDICTION CENTER NORMAN OK 0747 AM CST SAT JAN 13 2007 AREAS AFFECTED...NRN OK...SERN KS AND WRN MO CONCERNING...WINTER MIXED PRECIPITATION VALID 131347Z - 131745Z A BAND OF HEAVY SLEET CURRENTLY OVER NW OK AND SRN KS WILL MOVE ENEWD THIS MORNING. AS A RESULT...SIGNIFICANT SLEET ACCUMULATION WILL BE LIKELY OVER NRN OK...SRN KS INTO WRN MO WITH .5 TO 1.5 INCHES OF SLEET ACCUMULATION POSSIBLE. LATEST WATER VAPOR AND RADAR IMAGERY SHOW A WELL-DEFINED AXIS OF ENHANCED LIFT EXTENDING SWD FROM SRN KS ACROSS WRN OK. THIS ENHANCEMENT IS LIKELY ASSOCIATED WITH A LOW-AMPLITUDE SHORTWAVE TROUGH EJECTING OUT OF NW TX ATTM. FORECAST SOUNDINGS ACROSS THE MCD AREA ALONG WITH THE 12Z SOUNDING FROM DDC AND AMA SHOW SLEET TEMPERATURE PROFILES WITH A WARM LAYER LOCATED NEAR 850 MB AND A VERY COLD LAYER IN THE LOWEST 2000 FEET ABOVE GROUND LEVEL. ALSO...THE 12Z SOUNDINGS SHOW SUFFICIENT MUCAPE FOR CONVECTIVE BURSTS. SFC TEMPS ACROSS THE MCD AREA RANGE FROM 18 TO 22 DEGREES F WHICH SHOULD BE COLD ENOUGH TO KEEP PRECIPITATION MODE IN THE FORM OF SLEET AND/OR SNOW. THE HEAVIEST SLEET ACCUMULATION SHOULD OCCUR NEAR THE OK-KS STATE-LINE WHERE IT APPEARS A BAND OF LOCALLY HEAVIER PRECIPITATION WILL TRACK THIS MORNING THROUGH EARLY AFTERNOON. ..BROYLES.. 01/13/2007 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ...NOTICE... SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A SCHEDULED BASIS FROM DECEMBER 1 THROUGH FEBRUARY 28...FOUR TIMES A DAY...AROUND 00 UTC...06 UTC...12 UTC...AND 18 UTC FOR SIGNIFICANT SHORT RANGE WINTER WEATHER EVENTS. ATTN...WFO...SGF...EAX...TSA...TOP...ICT...OUN...DDC... 37149348 36339534 35789812 36779892 37779846 38619450
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 6:33 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Cherokee, Crawford, Labette and 3 more | 5 hr |
| Jan 13, 12:36 PM CST | Mesoscale Discussion | SPC | Allen, Bourbon, Chautauqua, Cherokee, Crawford, Labette and 3 more | 4 hr |
| Jan 12, 6:06 PM CST | Mesoscale Discussion | SPC | Adair, Atoka, Canadian, Carter, Cherokee, Cleveland and 32 more | 3 hr |
| Jan 13, 6:28 AM CST | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 21 more | 4 hr |
Nearby
Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Missouri, 2007Every mesoscale discussion in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.