Alert archive / Iowa / Areal Flood Warnings in 2014
Areal Flood Warning 7, NWS La Crosse, WI
NWS La Crosse, WI issued this areal flood warning at Jun 19, 2014, 7:55 PM CDT for 4 counties in Iowa. It was in force for 12 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
- Jun 19, 2014, 7:55 PM CDT (00:55 UTC)
- Expired
- Jun 20, 2014, 7:45 AM CDT
- In force
- 12 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allamakee County, IA, Clayton County, IA, Fayette County, IA, Winneshiek County, IA
The radar
The La Crosse radar (KARX), 90 km from the middle of the area, began a volume at 00:55 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
Davenport, (KDVN), launched 00:00Z, 0.9 hours before the alert went out and 185 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
- 102 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 1047 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS La Crosse, WI wrote its last area forecast discussion before this areal flood warning went out at Jun 19, 6:54 PM CDT, 1 hour 1 minute earlier.
Area forecast discussion, Jun 19, 6:54 PM CDT, 1 hour 1 minute before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 315 PM CDT THU JUN 19 2014 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-201100- MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU- ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- 315 PM CDT THU JUN 19 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA AND SOUTHWEST INTO CENTRAL WISCONSIN. .DAY ONE...TONIGHT WHILE ONE AREA OF STORMS EXITS NORTHEAST IOWA INTO SOUTHWEST WISCONSIN...WITH A HEAVY RAIN AND LIGHTNING RISK...ANOTHER LINE OF STORMS HAS ALREADY FORMED TO THE WEST OF THE AREA. THAT TOO WILL MOVE IN FROM THE WEST AND IMPACT AREAS MAINLY ALONG AND SOUTH OF INTERSTATE 90 THIS EVENING...MAINLY BETWEEN 5 AND 9 PM. THESE STORMS CONTINUE TO BE EFFICIENT RAINFALL PRODUCERS... WITH 1 TO 3 INCHES OF RAIN POSSIBLE IN SOME AREAS THAT COULD LEAD TO ADDITIONAL FLASH FLOODING. STRONGER LINES OF STORMS COULD PRODUCE STRONG WINDS AND OF COURSE LIGHTNING. OUTSIDE OF FLOODING...THE RISK FOR ADDITIONAL SEVERE WEATHER LOOKS HIGHER TO THE WEST AND SOUTH OF THE AREA. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY CHANCES OF THUNDERSTORMS...MAINLY DURING THE AFTERNOON AND EVENING HOURS...CONTINUE FOR FRIDAY THROUGH WEDNESDAY. WHILE SEVERE WEATHER DOES NOT LOOK LIKELY FRIDAY OR SATURDAY...THERE COULD BE A RISK SUNDAY DEPENDING ON WHERE THE STORMS TRACK. .SPOTTER INFORMATION STATEMENT... THERE COULD BE SOME SPOTTER ACTIVATIONS THIS AFTERNOON AND EARLY EVENING...ESPECIALLY CLOSER TO INTERSTATE 35 IN MINNESOTA AND IOWA. RAINFALL AND FLOODING REPORTS ARE APPRECIATED FOR ANY AREA. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED AT THIS TIME. RIECK/SHEA
In the hours before
Local storm report, Jun 19, 4:05 PM CDT, 3 hours 50 minutes before
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</html>Local storm report, Jun 19, 4:37 PM CDT, 3 hours 18 minutes before
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</html>Special weather statement, Jun 19, 5:04 PM CDT, 2 hours 51 minutes before
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</html>Local storm report, Jun 19, 5:07 PM CDT, 2 hours 48 minutes before
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</html>Local storm report, Jun 19, 5:13 PM CDT, 2 hours 42 minutes before
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</html>Local storm report, Jun 19, 5:35 PM CDT, 2 hours 20 minutes before
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</html>The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:22 AM CDT | Areal Flood Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 6 hr |
Nearby
Areal Flood Warnings in Iowa, 2014Every areal flood warning in 2014
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.