Alert archive / Kansas / Freeze Warnings in 2007
Freeze Warning 1, NWS Topeka, KS
NWS Topeka, KS issued this freeze warning at Oct 27, 2007, 11:25 AM CDT for 17 counties in Kansas. It took effect at Oct 28, 2007, 4:00 AM CDT. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 27, 2007, 11:25 AM CDT (16:25 UTC)
- In effect from
- Oct 28, 2007, 4:00 AM CDT
- Expired
- Oct 28, 2007, 9:21 AM CDT
- In force
- 5 hr
- Issued by
- NWS Topeka, KS
Counties Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Douglas County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Marshall County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 47 km from the middle of the area, began a volume at 16:25 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 12:00Z, 4.4 hours before the alert went out and 85 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1508 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze 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 freeze warning went out at Oct 27, 3:18 AM CDT, 8 hours 7 minutes earlier.
Area forecast discussion, Oct 27, 3:18 AM CDT, 8 hours 7 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TOPEKA KS 318 AM CDT SAT OCT 27 2007 .DISCUSSION... MOSTLY CLEAR SKIES HAVE BROUGHT SOME TEMPORARY REDUCTIONS IN VISBY TO PARTS OF NE KS. INCOMING FRONT HAS PASSED THROUGH HASTINGS...WITH THERMAL RIDGE OUT AHEAD MIXING HEBRON UP TO 46 DEGREES THIS PAST HOUR. DEWPOINTS CONTINUE TO SLOWLY FALL...EXPECTED TO DROP MORE QUICKLY AS FRONT PUSHES THROUGH. CLOUDS WILL BE A LITTLE TRICKY TODAY. FRONT BRINGS IN A BROKEN LINE OF CEILINGS...HOWEVER TIMING WILL BRING CLOUDS IN DURING BETTER SUNSHINE WHICH MAY BREAK INTO PARTLY CLOUDY SKIES AS A RESULT. HAVE GRIDS WITH BETTER CLOUD COVER AT NOON THEN DIMINISHING INTO THE AFTERNOON. TEMPS IN THE 50S EXPECTED MOST AREAS...WITH PERHAPS A FEW OF THE EASTERN COUNTIES HOLDING ON NEAR THE 60 MARK BEFORE FALLING LATER TODAY. OVERNIGHT LOWS ALSO COMPLICATED BY CLOUD COVER...AS SFC HIGH PRESSURE CENTER SETTLES OVER NE KS DURING PEAK RADIATION AL COOLING HOURS. SOURCE AIR MASS IS CURRENTLY CLEAR UNDER THE HIGH CENTER...WITH STRATUS OUT AHEAD AND JUST BEHIND. WILL KEEP GRIDS NEAR FREEZING WITH CAVEAT THAT MODELS HAVE UNDERDONE COOLING THESE PAST FEW CLEAR CALM NIGHTS...AND FROST/FREEZE ADVISORY OR WARNING MAY BE NEEDED IF CLOUD COVER CLEARS OUT. FOR NOW WILL START WITH A FROST ADVISORY ALL AREAS AND LET DAY SHIFT WATCH SHORT TERM TRENDS AND UPGRADE OR NOT AS THEY SEE FIT. WARMUP ON SUNDAY MAY BE SLOW AS HIGH PRESSURE MOVES EAST. WESTERN ZONES MAY CLIMB LATE IN THE AFTERNOON AS SOUTHERLY WINDS RETURN. UPPER FLOW TRANSITIONS FROM NORTHWESTERLY TO WESTERLY AS SHORTWAVES TRAVERSE THE CANADIAN BORDER. THIS WILL BRING WARM OVERNIGHT LOWS INTO MONDAY AND HIGHS NEAR 70 ON TUESDAY. WED-FRI...FRONT STILL PROGGED TO MOVE IN ON WED...TODAYS GUIDANCE A BIT FASTER THAN YTDYS. COULD LEAVE US COOLER FOR THURSDAY AND INTO FRIDAY. MADE NO CHANGES AT THIS TIME. 67 && .AVIATION... THE LEADING EDGE OF A WEAK COLD FRONTAL BOUNDARY IS EXPECTED TO PUSH SOUTHEAST THROUGH MHK AND SHOULD BE NEAR OR JUST THROUGH TOP AND FOE BY 12Z. 11-3.9 SATELLITE IMAGERY INDICATING A NARROW BAND OF STRATA CU BEHIND THIS BOUNDARY. CLOUDS ARE IN THE 4-8 KFT RANGE...SO VFR CONDITIONS ARE EXPECTED IF THIS BAND HOLDS TOGETHER THIS MORNING. SURFACE HIGH PRESSURE WILL BUILD OVER TAF SITES BY THE END OF THE PERIOD BRINGING NORTHERLY WINDS TO LIGHT AND VARIABLE AFTER SUNSET. MODELS INDICATE SOME WEAK ISENTROPIC LIFT IN THE MID LEVELS OVER THE CWA OVERNIGHT...WHICH MAY PREVENT FOG FROM DEVELOPING IF MID TO UPPER LEVEL CLOUDS FILL IN. AT THIS TIME ISENTROPIC LIFT LOOKS RELATIVELY WEAK WITH HIGH PRESSURE CONDENSATION DEFICITS...SO WILL PLACE A MENTION OF MVFR FOG IN THE TAF AND MHK FORECASTS IN THE RIVER VALLEY LATE IN THE 12Z FORECAST. CAVANAUGH && .TOP WATCHES/WARNINGS/ADVISORIES...FROST ADVISORY FROM 4 AM SUNDAY TO 10 AM SUNDAY FOR ALL OF NORTHEAST...NORTH CENTRAL AND EAST CENTRAL KANSAS. &&
Hazardous weather outlook, Oct 27, 5:04 AM CDT, 6 hours 21 minutes before
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</html>The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 3:34 AM CDT | Frost Advisory | TOP | Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more | 30 hr |
Nearby
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.