Alert archive / Iowa / Special Weather Statements in 2014

Special Weather Statement, NWS La Crosse, WI

July 6, 20145 counties in Wisconsin; 6 counties in Iowa; Fillmore County, Houston County, Winona County, Minnesota

NWS La Crosse, WI issued this special weather statement at Jul 6, 2014, 5:33 PM CDT for 5 counties in Wisconsin; 6 counties in Iowa; Fillmore County, Houston County, Winona County, Minnesota. It was in force for 117 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 6, 2014, 5:33 PM CDT (22:33 UTC)
Expired
Jul 6, 2014, 7:30 PM CDT
In force
117 min
Issued by
NWS La Crosse, WI

Counties Allamakee County, IA, Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Winneshiek County, IA, Fillmore County, MN, Houston County, MN, Winona County, MN, Buffalo County, WI, Clark County, WI, Jackson County, WI, La Crosse County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 22 km from the middle of the area, began a volume at 22:34 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

Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 213 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, Minneapolis, MN at 12:00Z on 2014-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1540 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 12:00Z on 2014-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
1540 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 6, 3:31 PM CDT, 2 hours 2 minutes earlier.

Area forecast discussion, Jul 6, 3:31 PM CDT, 2 hours 2 minutes before
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Hazardous weather outlook, Jul 6, 3:19 PM CDT, 2 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
319 PM CDT SUN JUL 6 2014

IAZ008-009-018-MNZ079-086>088-094-095-WIZ017-029-032>034-071200-
MITCHELL-HOWARD-FLOYD-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-
319 PM CDT SUN JUL 6 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO CENTRAL
WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL 7 PM WITH LARGE
HAIL AND DAMAGING WINDS THE PRIMARY HAZARDS. AN ISOLATED TORNADO
COULD OCCUR AS WELL.

FLOOD WARNINGS ALSO CONTINUE FOR PORTIONS OF THE MISSISSIPPI
RIVER.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ANOTHER ROUND OF THUNDERSTORMS...POSSIBLY SEVERE...IS EXPECTED
MONDAY AFTERNOON AND EVENING. SHOULD THE STORMS TURN
SEVERE...LARGE HAIL AND DAMAGING WINDS WOULD BE THE MAIN HAZARDS
AGAIN.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS ON TUESDAY ALONG AND
EAST OF THE MISSISSIPPI RIVER. LIGHTNING WOULD BE THE MAIN HAZARD
WITH ANY STORMS THAT DEVELOP.

THERE ARE MORE CHANCES OF THUNDERSTORMS CHANCES THURSDAY NIGHT
THROUGH SATURDAY. IT IS TOO EARLY TO DETERMINE THE SEVERE WEATHER
POTENTIAL WITH THESE STORMS.

FLOOD WARNINGS CONTINUE FOR PORTIONS OF THE MISSISSIPPI RIVER
THROUGH MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED UNTIL 7 PM...AND POSSIBLY
AGAIN MONDAY AFTERNOON AND EVENING.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

IAZ010-011-019-029-030-MNZ096-WIZ041>044-053>055-061-071200-
WINNESHIEK-ALLAMAKEE-CHICKASAW-FAYETTE-CLAYTON-HOUSTON-LA CROSSE-
MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
319 PM CDT SUN JUL 6 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO CENTRAL
WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL 9 PM WITH LARGE
HAIL AND DAMAGING WINDS THE PRIMARY HAZARDS. AN ISOLATED TORNADO
COULD OCCUR AS WELL.

FLOOD WARNINGS ALSO CONTINUE FOR PORTIONS OF THE MISSISSIPPI
RIVER.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ANOTHER ROUND OF THUNDERSTORMS...POSSIBLY SEVERE...IS EXPECTED
MONDAY EVENING. SHOULD THE STORMS TURN SEVERE...LARGE HAIL AND
DAMAGING WINDS WOULD BE THE MAIN HAZARDS AGAIN.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS ON TUESDAY ALONG AND
EAST OF THE MISSISSIPPI RIVER. LIGHTNING WOULD BE THE MAIN HAZARD
WITH ANY STORMS THAT DEVELOP.

THERE ARE MORE CHANCES OF THUNDERSTORMS CHANCES THURSDAY NIGHT
THROUGH SATURDAY. IT IS TOO EARLY TO DETERMINE THE SEVERE WEATHER
POTENTIAL WITH THESE STORMS.

FLOOD WARNINGS CONTINUE FOR PORTIONS OF THE MISSISSIPPI RIVER
THROUGH THE MIDDLE OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED UNTIL 9 PM...AND POSSIBLY
MONDAY EVENING.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

AJ

In the hours before

Special weather statement, Jul 6, 2:11 PM CDT, 3 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
211 PM CDT SUN JUL 6 2014

WIZ029-032>034-041-042-062030-
CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-
INCLUDING THE CITIES OF...NEILLSVILLE...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH
211 PM CDT SUN JUL 6 2014

THROUGH 330 PM SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE
SOUTHEAST ACROSS THE AREA...MAINLY ALONG AND SOUTH OF HIGHWAY 10
AND NORTH OF INTERSTATE 90. SEVERE WEATHER IS NOT ANTICIPATED
WITH ANY OF THESE STORMS...HOWEVER BRIEF DOWNPOURS...OCCASIONAL
LIGHTNING AND GUSTY WINDS CAN BE EXPECTED. IF A THUNDERSTORM
APPROACHES YOUR LOCATION...MOVE INDOORS UNTIL THE STORM PASSES.

MORE SHOWERS AND STORMS ARE EXPECTED LATER THIS AFTERNOON AND
EARLY THIS EVENING. A FEW OF THE STORMS WITH THIS SECOND BATCH
COULD BE STRONG TO SEVERE.

RRS
Special weather statement, Jul 6, 3:43 PM CDT, 1 hour 50 minutes before
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Special weather statement, Jul 6, 5:33 PM CDT, 0 minutes before
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Nearby

Special Weather Statements in Iowa, 2014Special Weather Statements in Wisconsin, 2014Special Weather Statements in Minnesota, 2014Every special weather statement 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.