Alert archive / Kansas / Heavy Snow Warnings in 2007

Heavy Snow Warning 2, NWS Topeka, KS

December 14, 200714 counties in Kansas

NWS Topeka, KS issued this heavy snow warning at Dec 14, 2007, 4:11 AM CST for 14 counties in Kansas. It took effect at Dec 14, 2007, 12:05 PM CST. It was in force for 23 hr. 45 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 14, 2007, 4:11 AM CST (10:11 UTC)
In effect from
Dec 14, 2007, 12:05 PM CST
Expired
Dec 15, 2007, 10:45 AM CST
In force
23 hr
Issued by
NWS Topeka, KS

Counties Anderson County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Lyon County, KS, Morris County, KS, Osage County, KS, Ottawa County, KS, Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 21 km from the middle of the area, began a volume at 10:10 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.

What was reported inside it

TimeReportWhereRemark
Dec 14, 7:15 PM CSTSNOW 0.5Minneapolis, KS
Dec 14, 7:24 PM CSTSNOW 1Glasco, KS
Dec 14, 8:00 PM CSTSNOW 1.53 Wnw Talmage, KSESTIMATE FROM NEARLY AN HOUR AGO...RESIDENTS WITHOUT ANY POWER AND COULD NOT SEE OUTSIDE TO GET CURRENT READING.
Dec 14, 8:15 PM CSTSNOW 2.5Minneapolis, KS
Dec 14, 8:21 PM CSTSNOW 4Longford, KS
Dec 14, 9:35 PM CSTSNOW 11 N Abilene, KS
Dec 14, 9:47 PM CSTSNOW 14 Wnw Clyde, KSIN THE TOWN OF HOLLIS.
Dec 14, 9:59 PM CSTSNOW 1.5Abilene, KSESTIMATED 15-20 MPH WINDS WITH DRIFTING ALREADY ONGOING.
Dec 14, 10:20 PM CSTSNOW 5Longford, KS
Dec 14, 11:16 PM CSTSNOW 3.3Clay Center, KS
Dec 14, 11:20 PM CSTSNOW 2Concordia, KSSNOW IS DRIFTING.
Dec 14, 11:25 PM CSTSNOW 1.5Abilene, KS
Dec 14, 11:34 PM CSTSNOW 5Ada, KSRELAYED TO LAW ENFORCEMENT. 4-5 INCHES IN MINNEAPOLIS AS WELL.
Dec 14, 11:38 PM CSTSNOW 1.3Council Grove, KSCAME DOWN IN ABOUT AN HOUR...HOWEVER SNOW HAS STOPPED AT THE TIME OF THE REPORT.
Dec 14, 11:40 PM CSTSNOW 5Clyde, KS
Dec 15, 1:00 AM CSTSNOW 6Minneapolis, KSWITH MODERATE SNOW ONGOING.
Dec 15, 1:00 AM CSTSNOW 6Minneapolis, KS
Dec 15, 1:30 AM CSTHEAVY SNOW 0Longford, KS6+ INCHES FROM LAW ENFORCEMENT REPORT.
Dec 15, 1:30 AM CSTSNOW 3Abilene, KS3 TO 4 INCHES IN TOWN.
Dec 15, 1:30 AM CSTHEAVY SNOW 6Longford, KS6+ INCHES FROM LAW ENFORCEMENT REPORT.
Dec 15, 4:00 AM CSTHEAVY SNOW 7Minneapolis, KS
Dec 15, 6:39 AM CSTSNOW 1Council Grove, KS
Dec 15, 6:39 AM CSTSNOW 1.5Alma, KSESTIMATED AROUND 1 TO 1.5 INCHES
Dec 15, 6:39 AM CSTSNOW 4Abilene, KSESTIMATED 3 TO 4 INCHES
Dec 15, 6:39 AM CSTSNOW 4Junction City, KS
Dec 15, 6:39 AM CSTSNOW 6Clay Center, KSMEASURED ON CONCRETE
Dec 15, 6:39 AM CSTSNOW 6Concordia, KSREPORTED AS AT LEAST 6 INCHES
Dec 15, 6:39 AM CSTSNOW 7Minneapolis, KSESTIMATED 6 TO 7 INCHES
Dec 15, 6:39 AM CSTSNOW 8Concordia, KS
Dec 15, 6:53 AM CSTSNOW 0.5Emporia, KS
Dec 15, 7:04 AM CSTSNOW 5Concordia, KS
Dec 15, 8:19 AM CSTSNOW 6Abilene, KS
Dec 15, 9:20 AM CSTSNOW 31 Nne Silver Lake, KS
Dec 15, 9:31 AM CSTSNOW 6.5Minneapolis, KS
Dec 15, 10:36 AM CSTSNOW 1Emporia, KS
Dec 15, 10:36 AM CSTSNOW 1Lawrence, KS
Dec 15, 10:36 AM CSTSNOW 1Lyndon, KS
Dec 15, 10:36 AM CSTSNOW 1.2Topeka, KS
Dec 15, 10:36 AM CSTSNOW 2Council Grove, KS
Dec 15, 10:36 AM CSTSNOW 4Alma, KSESTIMATED 3 TO 4 INCHES
Dec 15, 10:36 AM CSTSNOW 5Abilene, KSESTIMATED 4 TO 5 INCHES.
Dec 15, 10:36 AM CSTSNOW 5Junction City, KSESTIMATED 4 TO 5 INCHES
Dec 15, 10:36 AM CSTSNOW 6Minneapolis, KS
Dec 15, 10:36 AM CSTSNOW 7Concordia, KS6 TO 7 INCHES
Dec 15, 10:36 AM CSTSNOW 8Clay Center, KSESTIMATED 6 TO 8 INCHES. LOTS OF BLOWING AND DRIFTING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 10.2 hours before the alert went out and 62 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.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2007-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2007-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -108 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1550 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-108 m²/s²
0-3 km storm-relative helicity
-83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KTOP 141011
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
411 AM CST FRI DEC 14 2007

.ANOTHER WINTER STORM IS LIKELY TONIGHT INTO SATURDAY
MORNING. AN UPPER LEVEL STORM SYSTEM WILL MOVE FROM THE SOUTHERN
ROCKIES ACROSS THE PLAINS. AS IT DOES...MOISTURE WILL BE PULLED
NORTH INTO CENTRAL AND EASTERN KANSAS. SNOW SHOULD BEGIN ACROSS
CENTRAL KANSAS FRIDAY AFTERNOON AND SPREAD EAST DURING THE
EVENING. AS THE UPPER LEVEL STORM SYSTEM PASSES EAST ON
SATURDAY...SNOW SHOULD COME TO AN END SATURDAY AFTERNOON. WITH
TEMPERATURES BELOW FREEZING THROUGH THE DEPTH OF THE ATMOSPHERE...
PRECIPITATION SHOULD BE IN THE FORM OF SNOW FOR THE ENTIRE EVENT.

KSZ037-054-055-058-141815-
/O.UPG.KTOP.WS.A.0008.071214T1800Z-071215T1800Z/
/O.NEW.KTOP.HS.W.0002.071215T0000Z-071215T1800Z/
MORRIS-LYON-OSAGE-COFFEY-
INCLUDING THE CITY OF...EMPORIA
411 AM CST FRI DEC 14 2007

...HEAVY SNOW WARNING IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST
SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW...HEAVY AT TIMES...WILL DEVELOP THIS AFTERNOON AND CONTINUE
THROUGHOUT THE NIGHT. SNOWFALL AMOUNTS AROUND 6 INCHES ARE
EXPECTED BY SATURDAY AFTERNOON.

REMEMBER...A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$

KSZ035-141815-
/O.UPG.KTOP.WS.A.0008.071214T1800Z-071215T1800Z/
/O.EXB.KTOP.SN.Y.0005.071214T1800Z-071215T1800Z/
DICKINSON-
INCLUDING THE CITY OF...ABILENE
411 AM CST FRI DEC 14 2007

...SNOW ADVISORY IN EFFECT FROM NOON TODAY TO 12 PM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 12 PM CST
SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH THE NIGHT.
SNOW AMOUNTS FROM 4 TO 5 INCHES ARE EXPECTED.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$

KSZ026-036-038>040-056-059-141815-
/O.UPG.KTOP.WS.A.0008.071214T1800Z-071215T1800Z/
/O.EXA.KTOP.SN.Y.0005.071215T0000Z-071215T1800Z/
JEFFERSON-GEARY-WABAUNSEE-SHAWNEE-DOUGLAS-FRANKLIN-ANDERSON-
INCLUDING THE CITIES OF...JUNCTION CITY...TOPEKA...LAWRENCE...
OTTAWA
411 AM CST FRI DEC 14 2007

...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST
SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP LATE FRIDAY AND CONTINUE THROUGH THE NIGHT.
SNOWFALL TOTALS ARE EXPECTED TO BE AROUND 4 TO 5 INCHES.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$

KSZ008-009-020-021-034-141815-
/O.EXT.KTOP.SN.Y.0005.071214T1800Z-071215T1800Z/
REPUBLIC-WASHINGTON-CLOUD-CLAY-OTTAWA-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER
411 AM CST FRI DEC 14 2007

...SNOW ADVISORY NOW IN EFFECT FROM NOON TODAY TO 12 PM CST
SATURDAY...

THE SNOW ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO 12 PM CST
SATURDAY. 

SNOW WILL DEVELOP FRIDAY AFTERNOON ACROSS NORTH CENTRAL KANSAS
AND SPREAD EAST INTO NORTHEAST KANSAS DURING THE EVENING HOURS.
PERIODS OF MODERATE SNOWFALL ARE FORECAST TO OCCUR DURING THE
OVERNIGHT HOURS. BY NOON SATURDAY...NEW SNOW ACCUMULATIONS OF
3 TO 4 INCHES ARE POSSIBLE NEAR THE NEBRASKA AND KANSAS STATE
LINE. 4 TO 5 INCHES OF SNOW WILL BE POSSIBLE FURTHER SOUTH ALONG
A LINE FROM MINNEAPOLIS TO HOLTON. THE SNOW SHOULD TAPER OFF AND
COME TO AN END SATURDAY AFTERNOON.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.


$$

KSZ010>012-022>024-141815-
/O.CON.KTOP.SN.Y.0005.071215T0000Z-071215T1800Z/
MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-JACKSON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN
411 AM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST SATURDAY. 

SNOW WILL DEVELOP FRIDAY AFTERNOON ACROSS NORTH CENTRAL KANSAS
AND SPREAD EAST INTO NORTHEAST KANSAS DURING THE EVENING HOURS.
PERIODS OF MODERATE SNOWFALL ARE FORECAST TO OCCUR DURING THE
OVERNIGHT HOURS. BY NOON SATURDAY...NEW SNOW ACCUMULATIONS OF
3 TO 4 INCHES ARE POSSIBLE NEAR THE NEBRASKA AND KANSAS STATE
LINE. 4 TO 5 INCHES OF SNOW WILL BE POSSIBLE FURTHER SOUTH ALONG
A LINE FROM MINNEAPOLIS TO HOLTON. THE SNOW SHOULD TAPER OFF AND
COME TO AN END SATURDAY AFTERNOON.


HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.


$$


HARDING
5 follow-up statements
000 
WWUS43 KTOP 141805
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
1205 PM CST FRI DEC 14 2007

.A WINTER STORM WILL IMPACT THE REGION TONIGHT INTO SATURDAY
MORNING. AN UPPER LEVEL STORM SYSTEM WILL MOVE FROM THE SOUTHERN
ROCKIES ACROSS THE PLAINS. AS IT DOES...MOISTURE WILL BE PULLED
NORTH INTO CENTRAL AND EASTERN KANSAS. SNOW WILL BEGIN ACROSS
CENTRAL KANSAS THIS AFTERNOON AND SPREAD EASTWARD DURING THE
EVENING. AS THE UPPER LEVEL STORM SYSTEM PASSES EAST ON
SATURDAY...SNOW SHOULD COME TO AN END SATURDAY AFTERNOON. WITH
TEMPERATURES BELOW FREEZING THROUGH THE DEPTH OF THE ATMOSPHERE...
PRECIPITATION SHOULD BE IN THE FORM OF SNOW FOR THE ENTIRE EVENT.

KSZ035-150215-
/O.UPG.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
/O.EXA.KTOP.HS.W.0002.071215T0000Z-071215T1800Z/
DICKINSON-
INCLUDING THE CITY OF...ABILENE
1205 PM CST FRI DEC 14 2007

...HEAVY SNOW WARNING IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST
SATURDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. 

SNOW...HEAVY AT TIMES...WILL DEVELOP THIS AFTERNOON AND CONTINUE
THROUGHOUT THE NIGHT. SNOWFALL AMOUNTS AROUND 6 INCHES ARE
EXPECTED BY SATURDAY AFTERNOON.

REMEMBER...A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$

KSZ036-038>040-056-059-150215-
/O.UPG.KTOP.SN.Y.0005.071215T0000Z-071215T1800Z/
/O.EXA.KTOP.HS.W.0002.071215T0000Z-071215T1800Z/
GEARY-WABAUNSEE-SHAWNEE-DOUGLAS-FRANKLIN-ANDERSON-
INCLUDING THE CITIES OF...JUNCTION CITY...TOPEKA...LAWRENCE...
OTTAWA
1205 PM CST FRI DEC 14 2007

...HEAVY SNOW WARNING IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST
SATURDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. 

SNOW...HEAVY AT TIMES...WILL DEVELOP LATE THIS AFTERNOON AND
CONTINUE THROUGHOUT THE NIGHT. SNOWFALL AMOUNTS AROUND 6 INCHES
ARE EXPECTED BY SATURDAY AFTERNOON.

REMEMBER...A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$

KSZ037-054-055-058-150215-
/O.CON.KTOP.HS.W.0002.071215T0000Z-071215T1800Z/
MORRIS-LYON-OSAGE-COFFEY-
INCLUDING THE CITY OF...EMPORIA
1205 PM CST FRI DEC 14 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST SATURDAY. 

SNOW...HEAVY AT TIMES...WILL DEVELOP THIS LATE THIS AFTERNOON AND
CONTINUE THROUGH THE NIGHT. SNOWFALL AMOUNTS AROUND 6 INCHES ARE
EXPECTED BY SATURDAY AFTERNOON.

REMEMBER...A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$

KSZ008-009-020-021-034-150215-
/O.CON.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
REPUBLIC-WASHINGTON-CLOUD-CLAY-OTTAWA-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER
1205 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. 

SNOW WILL DEVELOP FRIDAY AFTERNOON ACROSS NORTH CENTRAL KANSAS
AND SPREAD EAST INTO NORTHEAST KANSAS DURING THE EVENING HOURS.
PERIODS OF MODERATE SNOWFALL ARE FORECAST TO OCCUR DURING THE
OVERNIGHT HOURS. BY NOON SATURDAY...NEW SNOW ACCUMULATIONS OF
3 TO 4 INCHES ARE POSSIBLE NEAR THE NEBRASKA AND KANSAS STATE
LINE. 4 TO 5 INCHES OF SNOW WILL BE POSSIBLE FURTHER SOUTH ALONG
A LINE FROM MINNEAPOLIS TO HOLTON. THE SNOW SHOULD TAPER OFF AND
COME TO AN END SATURDAY AFTERNOON.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$

KSZ010>012-022>024-026-150215-
/O.CON.KTOP.SN.Y.0005.071215T0000Z-071215T1800Z/
MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-JACKSON-JEFFERSON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN
1205 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST SATURDAY. 

SNOW WILL DEVELOP FRIDAY AFTERNOON ACROSS NORTH CENTRAL KANSAS
AND SPREAD EAST INTO NORTHEAST KANSAS DURING THE EVENING HOURS.
PERIODS OF MODERATE SNOWFALL ARE FORECAST TO OCCUR DURING THE
OVERNIGHT HOURS. BY NOON SATURDAY...NEW SNOW ACCUMULATIONS OF
3 TO 4 INCHES ARE POSSIBLE NEAR THE NEBRASKA AND KANSAS STATE
LINE. 4 TO 5 INCHES OF SNOW WILL BE POSSIBLE FURTHER SOUTH ALONG
A LINE FROM MINNEAPOLIS TO HOLTON. THE SNOW SHOULD TAPER OFF AND
COME TO AN END SATURDAY AFTERNOON.

HAZARDOUS DRIVING CONDITIONS ARE LIKELY TO REDEVELOP FRIDAY
NIGHT. THOSE WITH TRAVEL PLANS ARE ADVISED TO CHOOSE AN ALTERNATE
ROUTE...OR SHOULD USE CAUTION IF TRAVEL IS UNAVOIDABLE.

$$
000 
WWUS43 KTOP 142128
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
328 PM CST FRI DEC 14 2007

.AN UPPER LEVEL STORM SYSTEM IS MOVING ACROSS THE SOUTHERN ROCKIES
AND WILL AFFECT THE CENTRAL PLAINS TONIGHT THROUGH SATURDAY. AHEAD
OF THIS STORM SYSTEM...MOISTURE WILL BEING PULLED NORTH WITH AREAS
OF MODERATE SNOW DEVELOPING ACROSS WESTERN KS AND THE TX/OK
PANHANDLES. AS THE STORM SYSTEM CONTINUES TO MOVE EAST...THE SNOW
WILL SPREAD ACROSS CENTRAL AND EASTERN KS AND IS LIKELY TO BE
HEAVY AT TIMES. 

KSZ035>040-054>056-058-059-150530-
/O.CON.KTOP.HS.W.0002.071215T0000Z-071215T1800Z/
DICKINSON-GEARY-MORRIS-WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-
FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...ABILENE...JUNCTION CITY...TOPEKA...
LAWRENCE...EMPORIA...OTTAWA
328 PM CST FRI DEC 14 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 12 PM CST
SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. 

SNOW WILL SPREAD EAST FROM CENTRAL KANSAS INTO EAST CENTRAL KANSAS
THIS EVENING. THE SNOW COULD BE HEAVY AT TIMES DURING THE EARLY TO
LATE MORNING HOURS OF SATURDAY...REDUCING VISIBILITIES BELOW A
MILE AND CREATING HAZARDOUS DRIVING CONDITIONS. THE SNOWFALL WILL
COME TO AN END FROM WEST TO EAST DURING THE AFTERNOON SATURDAY.
STORM TOTAL SNOW AMOUNTS OF 5 TO 7 INCHES WILL BE POSSIBLE BY
SATURDAY AFTERNOON.

IF TRAVEL IS NECESSARY TONIGHT AND SATURDAY...DRIVE WITH EXTREME
CAUTION. CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER
SITUATIONS...SO SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.



$$

KSZ010>012-022>024-026-150530-
/O.CON.KTOP.SN.Y.0005.071215T0000Z-071215T1800Z/
MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-JACKSON-JEFFERSON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN
328 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. 

SNOW WILL SPREAD ACROSS NORTHEAST KANSAS THIS EVENING AND CONTINUE
THROUGH THE MORNING SATURDAY. THE SNOWFALL COULD BE MODERATE AT
TIMES DURING THE EARLY TO MID MORNING HOURS OF SATURDAY...REDUCING
VISIBILITIES BELOW A MILE AND CREATING HAZARDOUS DRIVING
CONDITIONS. THE SNOWFALL SHOULD BEGIN TO TAPER OFF AND END DURING
THE AFTERNOON SATURDAY. STORM TOTAL ACCUMULATIONS SHOULD RANGE
FROM AROUND 3 INCHES NEAR THE NEBRASKA AND KANSAS STATE LINE...TO
AROUND 5 INCHES FROM MANHATTAN TO OSKALOOSA.

IF TRAVEL IS NECESSARY TONIGHT AND SATURDAY...DRIVE WITH EXTREME
CAUTION. CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER
SITUATIONS...SO SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.

ALWAYS RUN YOUR GENERATOR OUTDOORS IN A DRY AND WELL VENTILATED
AREA...AND FOLLOW MANUFACTURER INSTRUCTION AND MAINTENANCE.

$$

KSZ008-009-020-021-034-150530-
/O.CON.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
REPUBLIC-WASHINGTON-CLOUD-CLAY-OTTAWA-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER
328 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. 

SNOW WILL CONTINUE TO SPREAD INTO NORTH CENTRAL KANSAS FROM THE
SOUTH. THE SNOWFALL COULD BE MODERATE AT TIMES...REDUCING
VISIBILITIES BELOW A MILE AND CREATING HAZARDOUS DRIVING
CONDITIONS. THE MOST LIKELY TIME FOR THE MODERATE SNOWFALL WILL BE
DURING THE OVERNIGHT HOURS TONIGHT. THE SNOWFALL IS EXPECTED TO
COME TO AN END BY NOON SATURDAY. STORM TOTAL SNOW AMOUNTS OF 3 TO
5 INCHES WILL BE POSSIBLE BY NOON SATURDAY.

IF TRAVEL IS NECESSARY TONIGHT AND SATURDAY...DRIVE WITH EXTREME
CAUTION. CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER
SITUATIONS...SO SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.

ALWAYS RUN YOUR GENERATOR OUTDOORS IN A DRY AND WELL VENTILATED
AREA...AND FOLLOW MANUFACTURER INSTRUCTION AND MAINTENANCE.

$$

WOLTERS
000 
WWUS43 KTOP 150253
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
853 PM CST FRI DEC 14 2007

.AN UPPER LEVEL STORM SYSTEM WILL MOVE ACROSS THE SOUTHER PLAINS
LATE TONIGHT THROUGH SATURDAY MORNING. AHEAD OF THIS STORM
SYSTEM...MOISTURE WAS BEING PULLED NORTH WITH AREAS OF MODERATE SNOW
DEVELOPING ACROSS CENTRAL AND NORTH CENTRAL KANSAS THIS EVENING. AS
THE STORM SYSTEM CONTINUES TO MOVE EAST...THE SNOW WILL SPREAD
ACROSS EASTERN KS AND IS LIKELY TO BE HEAVY AT TIMES.

KSZ020-021-034-151100-
/O.UPG.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
/O.EXA.KTOP.HS.W.0002.000000T0000Z-071215T1800Z/
CLOUD-CLAY-OTTAWA-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER
853 PM CST FRI DEC 14 2007

...HEAVY SNOW WARNING IN EFFECT UNTIL 12 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST SATURDAY. THE SNOW
ADVISORY IS NO LONGER IN EFFECT. 

MODERATE SNOWFALL WILL CONTINUE ACROSS NORTH CENTRAL
KANSAS THROUGH THE NIGHT AND MAY BECOME HEAVY AT TIMES. THE
HEAVY SNOWFALL WILL REDUCE VISIBILITIES BELOW A ONE HALF OF A MILE AND
CREATE HAZARDOUS DRIVING CONDITIONS. THE SNOWFALL IS EXPECTED TO
COME TO AN END BY NOON SATURDAY. STORM TOTAL SNOW AMOUNTS OF 5 TO
8 INCHES WILL BE POSSIBLE BY NOON SATURDAY.

IF TRAVEL IS NECESSARY TONIGHT AND SATURDAY...DRIVE WITH EXTREME
CAUTION. CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER
SITUATIONS...SO SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.

REMEMBER...A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY.

$$

KSZ035>040-054>056-058-059-151100-
/O.CON.KTOP.HS.W.0002.000000T0000Z-071215T1800Z/
DICKINSON-GEARY-MORRIS-WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-
FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...ABILENE...JUNCTION CITY...TOPEKA...
LAWRENCE...EMPORIA...OTTAWA
853 PM CST FRI DEC 14 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 12 PM CST
SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. 

SNOW WILL SPREAD EAST FROM CENTRAL KANSAS INTO EAST CENTRAL
KANSAS THROUGH THE NIGHT. THE SNOW COULD BE HEAVY AT TIMES DURING THE
EARLY TO LATE MORNING HOURS OF SATURDAY...REDUCING VISIBILITIES
BELOW ONE HALF OF A MILE AND CREATING HAZARDOUS DRIVING CONDITIONS.
THE SNOWFALL WILL COME TO AN END FROM WEST TO EAST DURING THE
EARLY AFTERNOON HOURS OF SATURDAY. STORM TOTAL SNOW AMOUNTS OF 5
TO 8 INCHES WILL BE POSSIBLE BY SATURDAY AFTERNOON.

IF TRAVEL IS NECESSARY TONIGHT AND SATURDAY...DRIVE WITH EXTREME
CAUTION. CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER
SITUATIONS...SO SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.

$$

KSZ010>012-022>024-026-151100-
/O.CON.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-JACKSON-JEFFERSON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN
853 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. 

SNOW WILL SPREAD ACROSS NORTHEAST KANSAS THROUGH THE NIGHT AN WILL CONTINUE
THROUGH THE MORNING HOURS OF SATURDAY. THE SNOWFALL COULD BE
MODERATE AT TIMES DURING THE EARLY TO MID MORNING HOURS OF
SATURDAY...REDUCING VISIBILITIES BELOW A MILE AND CREATING
HAZARDOUS DRIVING CONDITIONS. THE SNOWFALL SHOULD BEGIN TO TAPER
OFF AND END DURING THE EARLY AFTERNOON HOURS OF SATURDAY. STORM
TOTAL ACCUMULATIONS SHOULD RANGE FROM AROUND 3 INCHES NEAR THE
NEBRASKA AND KANSAS STATE LINE...TO AROUND 5 INCHES FROM MANHATTAN
TO OSKALOOSA.

IF TRAVEL IS NECESSARY TONIGHT AND SATURDAY...DRIVE WITH EXTREME
CAUTION. CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER
SITUATIONS...SO SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.

ALWAYS RUN YOUR GENERATOR OUTDOORS IN A DRY AND WELL VENTILATED
AREA...AND FOLLOW MANUFACTURER INSTRUCTION AND MAINTENANCE.

$$

KSZ008-009-151100-
/O.CON.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
REPUBLIC-WASHINGTON-
853 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. 

SNOW WILL CONTINUE ACROSS NORTH CENTRAL KANSAS THROUGH THE NIGHT. THE
SNOWFALL COULD BE MODERATE AT TIMES...REDUCING VISIBILITIES BELOW
A MILE AND CREATING HAZARDOUS DRIVING CONDITIONS. THE MODERATE
SNOW SHOULD END BY SUNRISE. THE SNOWFALL IS EXPECTED TO COME TO AN
END BY THE LATE MORNING HOURS OF SATURDAY. STORM TOTAL SNOW
AMOUNTS OF 4 TO 5 INCHES WILL BE POSSIBLE BY NOON SATURDAY.

IF TRAVEL IS NECESSARY TONIGHT AND SATURDAY...DRIVE WITH EXTREME
CAUTION. CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER
SITUATIONS...SO SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.

ALWAYS RUN YOUR GENERATOR OUTDOORS IN A DRY AND WELL VENTILATED
AREA...AND FOLLOW MANUFACTURER INSTRUCTION AND MAINTENANCE.

$$
000 
WWUS43 KTOP 150940
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
340 AM CST SAT DEC 15 2007

.A WINTER STORM SYSTEM WILL CONTINUE TO AFFECT PORTIONS OF CENTRAL
AND EASTERN KANSAS THROUGH NOON TODAY. GENERAL WIDESPREAD SNOW
WILL CONTINUE THIS MORNING WITH AN ADDITIONAL 2 INCHES EXPECTED.

KSZ036>040-054>056-058-059-151745-
/O.CAN.KTOP.HS.W.0002.000000T0000Z-071215T1800Z/
/O.EXA.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
GEARY-MORRIS-WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-
ANDERSON-
INCLUDING THE CITIES OF...JUNCTION CITY...TOPEKA...LAWRENCE...
EMPORIA...OTTAWA
340 AM CST SAT DEC 15 2007

...SNOW ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE HEAVY
SNOW WARNING HAS BEEN CANCELED. 

LIGHT SNOW WILL CONTINUE ACROSS THE AREA THIS MORNING WITH AN
ADDITIONAL 2 INCHES EXPECTED. 

TRAVEL COULD BE IMPACTED BY THIS LIGHT SNOW...SLOW DOWN AND TAKE
YOUR TIME WHEN DRIVING.

$$

KSZ020-021-034-035-151745-
/O.CON.KTOP.HS.W.0002.000000T0000Z-071215T1800Z/
CLOUD-CLAY-OTTAWA-DICKINSON-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER...ABILENE
340 AM CST SAT DEC 15 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

LIGHT TO OCCASIONAL MODERATE SNOW WILL CONTINUE THOUGH THE MORNING
HOURS BEFORE ENDING AROUND NOON TODAY. AN ADDITIONAL 2 INCHES OF
SNOW IS EXPECTED BEFORE NOON TODAY...BRINGING THE STORM TOTAL
SNOWFALL AMOUNTS TO BETWEEN 6 TO 8 INCHES.

REMEMBER...A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY.

$$

KSZ008>012-022>024-026-151745-
/O.CON.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-
JACKSON-JEFFERSON-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN
340 AM CST SAT DEC 15 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

LIGHT SNOW WILL CONTINUE THROUGH THE MORNING HOURS BEFORE ENDING
AROUND NOON. ADDITIONAL ACCUMULATIONS OF AROUND 2 INCHES ARE
EXPECTED. 

ALWAYS RUN YOUR GENERATOR OUTDOORS IN A DRY AND WELL VENTILATED
AREA...AND FOLLOW MANUFACTURER INSTRUCTION AND MAINTENANCE.

$$

HARDING
000 
WWUS43 KTOP 151645
WSWTOP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
1045 AM CST SAT DEC 15 2007

KSZ020-021-034-035-151745-
/O.CAN.KTOP.HS.W.0002.000000T0000Z-071215T1800Z/
CLOUD-CLAY-OTTAWA-DICKINSON-
INCLUDING THE CITIES OF...CONCORDIA...CLAY CENTER...ABILENE
1045 AM CST SAT DEC 15 2007

...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS CANCELLED THE HEAVY
SNOW WARNING. 

THE SNOWFALL HAS DIMINISHED ACROSS NORTH CENTRAL KANSAS. SOME
FLURRIES OR LIGHT SNOW WILL STILL BE POSSIBLE THROUGH THE EARLY
AFTERNOON. HOWEVER ACCUMULATING SNOWFALL HAS ENDED. THEREFORE THE
HEAVY SNOW WARNING HAS BEEN CANCELED. 

$$

KSZ008>012-022>024-036>038-151745-
/O.CAN.KTOP.SN.Y.0005.000000T0000Z-071215T1800Z/
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-RILEY-POTTAWATOMIE-
JACKSON-GEARY-MORRIS-WABAUNSEE-
INCLUDING THE CITIES OF...MARYSVILLE...HIAWATHA...MANHATTAN...
JUNCTION CITY
1045 AM CST SAT DEC 15 2007

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS CANCELLED THE SNOW
ADVISORY. 

THE SNOWFALL HAS DIMINISHED ACROSS NORTH CENTRAL AND PARTS OF
NORTHEAST KANSAS. SOME FLURRIES OR LIGHT SNOW WILL STILL BE
POSSIBLE THROUGH THE AFTERNOON. HOWEVER ACCUMULATING SNOWFALL HAS
ENDED. THEREFORE THE SNOW ADVISORY HAS BEEN CANCELED.

$$

KSZ026-039-040-054>056-058-059-152200-
/O.EXT.KTOP.SN.Y.0005.000000T0000Z-071215T2200Z/
JEFFERSON-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
INCLUDING THE CITIES OF...TOPEKA...LAWRENCE...EMPORIA...OTTAWA
1045 AM CST SAT DEC 15 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.

LIGHT SNOW WILL CONTINUE THROUGH THE EARLY AFTERNOON HOURS BEFORE ENDING
BY 4 PM. ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED.

MOTORISTS TAKE PRECAUTIONS IF TRAVEL IS NECESSARY. ALWAYS RUN
YOUR GENERATOR OUTDOORS IN A DRY AND WELL VENTILATED AREA...AND
FOLLOW MANUFACTURER INSTRUCTIONS AND MAINTENANCE.

$$

WOLTERS

What forecasters said that day

The local office's own words before this heavy snow warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this heavy snow warning went out at Dec 14, 4:00 AM CST, 11 minutes earlier.

Area forecast discussion, Dec 14, 4:00 AM CST, 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TOPEKA KS
400 AM CST FRI DEC 14 2007

.DISCUSSION...
MAIN FORECAST CONCERN IS THE APPROACHING SYSTEM LATE TODAY THROUGH
SATURDAY MORNING...

MODEL DEPICTIONS OF THE APPROACHING SHORTWAVE TROFF ARE STILL
SOMEWHAT MIXED...WITH THE NAM CONTINUING THE SLOWING TREND. THE
GFS HAS SLOWED ONLY SLIGHTLY...AND IS NOT AS DEEP AS THE NAM WITH
THE H50 TROFF. CONTINUITY KEEPS THE FASTER GFS AS THE PREFERRED
SOLUTION...BUT DID LINGER PRECIPITATION ANOTHER 6 HOURS ON
SATURDAY IN EASTERN KANSAS IN DEFERENCE TO THE SLOWING SOLUTIONS.

MAIN CONCERN WITH THIS SYSTEM IS SNOW AMOUNTS. COLUMN COLD ENOUGH
FOR ALL SNOW...AND DEEP MOISTURE ADVECTION FROM THE SOUTHEAST
SHOULD PROVIDE AMPLE LIQUID TO MAKE SOME DECENT SNOW. JET MAX IN
EXCESS OF 100 KNOTS AND ASSOCIATED Q-VECTOR CONVERGENCE SHOW MAIN
SYNOPTIC FORCING IN SOUTH CENTRAL KANSAS AND FURTHER SOUTH. AS
SURFACE CYCLONE DEEPENS...THERE IS A HINT OF A TROWEL AT H60...BUT
IT IS NOT ALL THAT IMPRESSIVE. ONE ISSUE OF CONCERN IS A NARROW
LAYER OF ELEVATED INSTABILITY AS SEEN BY NEGATIVE THETA E LAPSE
RATES. THIS INSTABILITY IS LOCATED AT AROUND H85 ALONG THE KS/OK
LINE TO ABOUT H60 BY I-70. ASSOCIATED OMEGA MAX JUST ABOVE THIS
LAYER SHOULD PROVIDE THE MESOSCALE LIFT TO ENHANCE THE SNOW
POTENTIAL.

WITH MOST OF THIS LIFT ABOVE THE PREFERRED DENDRITIC PRODUCTION
ZONE THROUGH MOST OF THE CWA...I AM ONLY EXPECTING ADVISORY
CRITERIA SNOW EXCEPT FOR A FEW COUNTIES IN THE SOUTHERN AREAS.
EVEN THESE MIGHT HAVE TROUBLE REACHING 6 INCHES IN 12-HOURS.
ALTHOUGH THE POTENTIAL FOR 6 OR MORE INCHES EXISTS FOR MOST
LOCATIONS SOUTH OF I-70...IT WILL LIKELY TAKE MORE THAN 12 HOURS
TO REALIZE THESE AMOUNTS.

SYSTEM DEPARTS ON SATURDAY AND A GRADUAL RETURN TO WESTERLY FLOW
IS FINALLY EVIDENT. THIS SHOULD ALLOW FOR A GRADUAL WARMING TREND
SOMEWHAT SUBDUED BY WHATEVER SNOW AMOUNTS WE HAVE LEFT.

HARDING

&&

.AVIATION...
FIRST ISSUE WILL BE DENSE FOG AT TAF SITES IN THE MORNING. THINK
WITH INVERSION SET UP DONT EXPECT FOG TO BREAK UP ANY TIME BEFORE
SUNRISE EXPECTING 1/4SM OR LESS AT TOP AND MHK ALONG THE
RIVER...WITH BETTER CONDITIONS AT FOE. NE WINDS SHOULD DEVELOP MID
MORNING. CIRRUS TO STREAM OVERHEAD THROUGH THE DAY...WITH MID LEVEL
CLOUDS BUILDING IN FROM THE WEST IN THE AFTERNOON. EXPECT CIG AND
VISBY CONDITIONS TO DROP QUICKLY AFTER 0Z WHEN SNOW
BEGINS...STARTING A FEW HOURS SOONER AT MHK.  67

&&

.TOP WATCHES/WARNINGS/ADVISORIES...HEAVY SNOW WARNING FROM 6 PM
FRIDAY TO NOON SATURDAY FOR KSZ037-KSZ054-KSZ055-KSZ058.

DENSE FOG ADVISORY UNTIL 9 AM FRIDAY FOR KSZ022-KSZ026-KSZ035-
KSZ036-KSZ038-KSZ039-KSZ040.

SNOW ADVISORY FROM NOON FRIDAY TO NOON SATURDAY FOR KSZ008-
KSZ009-KSZ020-KSZ021-KSZ034-KSZ035.

SNOW ADVISORY FROM 6 PM FRIDAY TO NOON SATURDAY FOR KSZ010-
KSZ011-KSZ012-KSZ022-KSZ023-KSZ024-KSZ026-KSZ036-KSZ038-KSZ039-
KSZ040-KSZ056-KSZ059.

&&
Hazardous weather outlook, Dec 13, 10:10 PM CST, 6 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE TOPEKA KS
1010 PM CST THU DEC 13 2007

KSZ008>012-020>024-026-034>040-054>056-058-059-141215-
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
1010 PM CST THU DEC 13 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH
CENTRAL AND NORTHEAST KANSAS.

.DAY ONE...TONIGHT

ICE MELT FROM THURSDAY AFTERNOON HAS LEAD TO NEARLY SATURATED LOW
LEVEL CONDITIONS ESPECIALLY ACROSS WESTERN AND NORTHERN PORTIONS
OF THE AREA AND THIS HAS LEAD TO AREAS OF DENSE FOG. SOME INCREASE
IN HIGH CLOUDS ALONG INCREASING WINDS BY LATER IN THE NIGHT IS
EXPECTED LESSON THE AREAS OF DENSE FOG. OVERNIGHT MOTORISTS SHOULD
BE ALERT FOR AREAS OF DENSE FOG...THAT COULD REDUCE THE
VISIBILITIES TO A QUARTER MILE OR LESS IN A SHORT DISTANCE.
ADDITIONALLY...THE FREEZING MIST WILL ADD A THIN COAT OF GLAZE TO
EXPOSED SURFACES...AND MAKE FOR SOME ADDITIONAL SLICK SPOTS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ANOTHER STORM SYSTEM WILL MOVE ACROSS THE AREA FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON. SNOW ACCUMULATIONS ARE EXPECTED ACROSS
THE OUTLOOK AREA. A WINTER STORM WATCH IS IN EFFECT FROM FRIDAY
AFTERNOON THROUGH SATURDAY AFTERNOON FOR PORTIONS OF NORTHEAST AND
EAST CENTRAL KANSAS...MAINLY ALONG AND SOUTH OF INTERSTATE 70. A
SNOW ADVISORY IS IN EFFECT FOR PORTIONS OF NORTHEAST AND NORTH
CENTRAL KANSAS...NORTH OF INTERSTATE 70...FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON. ACCUMULATIONS OF 5 TO 7 INCHES ARE
EXPECTED ACROSS THE WATCH AREA...WITH 4 TO 6 INCHES EXPECTED NORTH
OF INTERSTATE 70...AND CLOSER TO 4 INCHES NEAR THE NEBRASKA BORDER.
STAY TUNED FOR ANY ADDITIONAL UPDATES.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD NOT BE NEEDED OVERNIGHT.

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 14, 3:16 AM CSTDense Fog AdvisoryTOPDickinson, Douglas, Geary, Jefferson, Riley, Shawnee and 1 more4 hr

Nearby

Heavy Snow Warnings in Kansas, 2007Every heavy snow warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.