Alert archive / Missouri / Winter Storm Watches in 2007
Winter Storm Watch 8, NWS Kansas City, MO
NWS Kansas City, MO issued this winter storm watch at Dec 9, 2007, 3:35 AM CST for 37 counties in Missouri; 7 counties in Kansas. It took effect at Dec 10, 2007, 12:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 9, 2007, 3:35 AM CST (09:35 UTC)
- In effect from
- Dec 10, 2007, 12:00 PM CST
- Expired
- Dec 10, 2007, 3:46 AM CST
- In force
- Issued by
- NWS Kansas City, MO
All 44 counties
Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 84 km from the middle of the area, began a volume at 09:37 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
Topeka, KS (KTOP), launched 00:00Z, 9.6 hours before the alert went out and 154 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
- 507 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Kansas City, MO wrote its last area forecast discussion before this winter storm watch went out at Dec 8, 3:30 PM CST, 12 hours 5 minutes earlier.
Area forecast discussion, Dec 8, 3:30 PM CST, 12 hours 5 minutes before
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</html>Hazardous weather outlook, Dec 8, 1:10 PM CST, 14 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 110 PM CST SAT DEC 8 2007 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-091915- ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE- JOHNSON KS-ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER- PUTNAM-SCHUYLER-HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-SULLIVAN-ADAIR- BUCHANAN-CLINTON-CALDWELL-LIVINGSTON-LINN MO-MACON-PLATTE-CLAY- RAY-CARROLL-CHARITON-RANDOLPH-JACKSON-LAFAYETTE-SALINE-HOWARD- CASS-JOHNSON MO-PETTIS-COOPER-BATES-HENRY- 110 PM CST SAT DEC 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT A MIX OF FREEZING DRIZZLE AND LIGHT FREEZING RAIN CONTINUES TO LIFT NORTH THROUGH CENTRAL...NORTHERN...AND NORTHEAST MISSOURI THIS AFTERNOON. AN ADDITIONAL TRACE TO FEW HUNDREDTHS OF AN INCH OF ICING ARE POSSIBLE THROUGH THE MIDDLE AFTERNOON...BEFORE PRECIPITATION BEGINS TO TAPER OFF. ANOTHER STRONGER WAVE OF ENERGY WILL MOVE TOWARDS THE OUTLOOK AREA LATER THIS EVENING AND OVERNIGHT. WARM MOIST AIR WILL BE THRUST OVER THE SHALLOW COLD DOME AT THE SURFACE...AND WIDESPREAD FREEZING RAIN IS EXPECTED TO DEVELOP AROUND MIDNIGHT...AND CONTINUE INTO SUNDAY MORNING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY FREEZING RAIN...POSSIBLY MIXED WITH SLEET OVER FAR NORTHERN MISSOURI...WILL BE ONGOING OVER THE MAJORITY OF THE OUTLOOK AREA SUNDAY MORNING. FREEZING RAIN INTENSITIES COULD BE BRIEFLY HEAVY AT TIMES...PARTICULARLY IN COMMUNITIES ALONG AND SOUTH OF A LINE FROM MOUND CITY...BUTLER...WARRENSBURG...MARSHALL...TO MACON. TOTAL ICE ACCUMULATIONS BY EARLY SUNDAY AFTERNOON SOUTH OF THIS LINE WILL GENERALLY BE BETWEEN ONE QUARTER AND ONE HALF INCH...WITH LOCALLY HEAVIER AMOUNTS. NORTH OF THIS LINE...ACCUMULATIONS WILL RANGE FROM ONE TO TWO TENTHS OF AN INCH FROM KANSAS CITY TO KIRKSVILLE...TO LESS THAN A TENTH OF AN INCH FROM ST JOSEPH TO PRINCETON AND POINTS NORTHWEST. AFTER A BREAK IN THE WINTRY PRECIPITATION MONDAY...ANOTHER DISTURBANCE IS EXPECTED TO AFFECT THE AREA MONDAY NIGHT AND TUESDAY. THERE REMAINS SOME QUESTION HOW MUCH COLD AIR WILL REMAIN IN THE AREA...AND HOW FAR NORTH ABOVE FREEZING TEMPERATURES WILL PROGRESS INTO CENTRAL MISSOURI. REGARDLESS...MUCH OF THE OUTLOOK AREA CAN EXPECT A MIX OF FROZEN PRECIPITATION WITH THE POSSIBILITY OF ADDITIONAL SIGNIFICANT ICE ACCUMULATIONS ACROSS NORTHERN AND CENTRAL MISSOURI. EMERGENCY MANAGERS AND OTHER INTERESTED PARTIES SHOULD CONTINUE TO MONITOR THE LATEST FORECASTS REGARDING THIS NEXT POTENTIALLY SIGNIFICANT STORM SYSTEM. AS THE MAIN UPPER STORM SYSTEM FINALLY EJECTS OVER THE AREA WEDNESDAY...A BRIEF PERIOD OF MIXED FREEZING RAIN AND SNOW ARE POSSIBLE OVER THE OUTLOOK AREA. ACCUMULATION AMOUNTS ARE HIGHLY UNCERTAIN AT THIS POINT...AND INTERESTED PARTIES WILL WANT TO CONTINUE TO MONITOR NATIONAL WEATHER SERVICE FORECASTS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION ARE ENCOURAGED TO REPORT ICE AND SLEET ACCUMULATIONS SUNDAY. 21
Nearby
Winter Storm Watches in Missouri, 2007Winter Storm Watches in Kansas, 2007Every winter storm watch 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.