Alert archive / Missouri / Freeze Warnings in 2013
Freeze Warning 1, NWS Kansas City, MO
NWS Kansas City, MO issued this freeze warning at Apr 18, 2013, 4:02 AM CDT for 9 counties in Missouri; Atchison County, Doniphan County, Kansas. It took effect at Apr 19, 2013, 1:00 AM CDT. It was in force for 7 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
- Apr 18, 2013, 4:02 AM CDT (09:02 UTC)
- In effect from
- Apr 19, 2013, 1:00 AM CDT
- Expired
- Apr 19, 2013, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Kansas City, MO
Counties Atchison County, KS, Doniphan County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Nodaway County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 148 km from the middle of the area, began a volume at 09:01 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, 9.0 hours before the alert went out and 139 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
- 6 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 418 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 397 m²/s²
- 0-3 km storm-relative helicity
- 584 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.0
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 Kansas City, MO wrote its last area forecast discussion before this freeze warning went out at Apr 18, 3:56 AM CDT, 6 minutes earlier.
Area forecast discussion, Apr 18, 3:56 AM CDT, 6 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 102 PM CDT WED APR 17 2013 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-181130- 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- 102 PM CDT WED APR 17 2013 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 SEVERAL ROUNDS OF THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND INTO THE OVERNIGHT HOURS. A WARM FRONT IS FORECAST TO LIFT NORTHWARD TOWARDS NORTHERN MISSOURI BRINGING A CHANCE FOR SEVERE THUNDERSTORMS. THE STRONGEST STORMS WILL OCCUR LATE THIS AFTERNOON AND EVENING AND WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. A FEW TORNADOES ARE ALSO POSSIBLE IN THE VICINITY OF THE WARM FRONT. A COLD FRONT WILL PUSH SOUTHEAST THROUGH THE REGION THIS EVENING AND TONIGHT WITH A LINE OF POTENTIALLY SEVERE STORMS FORMING ALONG THIS BOUNDARY AND SWEEPING ACROSS THE FORECAST AREA DURING THE OVERNIGHT HOURS. AS THE STORMS EVOLVE INTO A LINEAR SYSTEM...THE THREAT OF LARGE HAIL WILL DECREASE...WITH AN INCREASING RISK OF DAMAGING WINDS. A FEW TORNADOES ARE ALSO POSSIBLE WITHIN THIS LINE OF STORMS DURING THE EVENING AND OVERNIGHT HOURS. THE REPEATED ROUNDS OF THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE WIDESPREAD HEAVY RAINFALL WITH 1 TO 2 INCHES OF RAIN LIKELY...AND POSSIBLY AS MUCH AS 3 TO 6 INCHES WITH STORMS THAT TRAIN OVER THE SAME AREA. THESE RAINS COULD RESULT IN FLASH FLOODING AS WELL AS FLOODING ON AREA CREEKS AND RIVERS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS WILL LIKELY CONTINUE INTO THURSDAY MORNING BEFORE EXITING THE REGION. STORM SEVERITY WILL QUICKLY DECREASE BY THURSDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS LIKELY THIS AFTERNOON AND THROUGH TONIGHT. PMM
In the hours before
Local storm report, Apr 18, 12:20 AM CDT, 3 hours 42 minutes before
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</html>The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 7:11 PM CDT | Flash Flood Warning | EAX | Chariton, Cooper, Howard, Macon, Randolph, Saline | 8 hr |
| Apr 17, 7:17 PM CDT | Severe Thunderstorm Warning | EAX | Howard, Randolph | 28 min |
| Apr 17, 8:04 PM CDT | Special Weather Statement | EAX | Randolph | 26 min |
| Apr 17, 8:10 PM CDT | Special Weather Statement | EAX | Saline | 35 min |
| Apr 17, 9:02 PM CDT | Areal Flood Warning | EAX | Daviess, Grundy, Harrison, Mercer, Putnam, Sullivan | 24 hr |
| Apr 17, 9:14 PM CDT | River Flood Warning | EAX | Atchison, Holt | 8 hr |
| Apr 17, 9:16 PM CDT | Special Weather Statement | EAX | Chariton | 29 min |
| Apr 17, 10:11 PM CDT | Flash Flood Warning | EAX | Adair, Linn, Macon, Sullivan | 6 hr |
| Apr 17, 11:20 PM CDT | Areal Flood Advisory | EAX | Bates, Caldwell, Carroll, Cass, Chariton, Clay and 11 more | 6 hr |
| Apr 18, 3:02 AM CDT | Areal Flood Warning | EAX | Adair, Carroll, Chariton, Howard, Linn, Livingston and 4 more | 12 hr |
| Apr 18, 3:53 AM CDT | River Flood Warning | EAX | Clay, Ray | 6 hr |
| Apr 18, 7:54 AM CDT | River Flood Warning | EAX | Daviess, Gentry | 49 hr |
| Apr 18, 8:45 AM CDT | River Flood Warning | EAX | Daviess, Livingston | 60 hr |
| Apr 18, 3:10 PM CDT | Areal Flood Warning | EAX | Adair, Andrew, Atchison, Carroll, Chariton, Daviess and 16 more | 21 hr |
Nearby
Freeze Warnings in Missouri, 2013Freeze Warnings in Kansas, 2013Every freeze warning in 2013
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.