Alert archive / Wisconsin / Excessive Heat Warnings in 2024
Excessive Heat Warning 2, NWS La Crosse, WI
NWS La Crosse, WI issued this excessive heat warning at Aug 26, 2024, 1:57 PM CDT for Crawford County, Grant County, Richland County, Wisconsin; Clayton County, Iowa. It took effect at Aug 27, 2024, 11:00 AM CDT. It was in force for 8 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
- Aug 26, 2024, 1:57 PM CDT (18:57 UTC)
- In effect from
- Aug 27, 2024, 11:00 AM CDT
- Expired
- Aug 27, 2024, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS La Crosse, WI
Counties Clayton County, IA, Crawford County, WI, Grant County, WI, Richland County, WI
The radar
The La Crosse radar (KARX), 87 km from the middle of the area, began a volume at 19:01 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
Minneapolis, MN (KMPX), launched 12:00Z, 7.0 hours before the alert went out and 295 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
- 3708 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -3.5
What forecasters said that day
The local office's own words before this excessive heat 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 excessive heat warning went out at Aug 26, 1:02 PM CDT, 55 minutes earlier.
Area forecast discussion, Aug 26, 1:02 PM CDT, 55 minutes before
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</html>Hazardous weather outlook, Aug 26, 9:07 AM CDT, 4 hours 50 minutes before
Hazardous Weather Outlook National Weather Service La Crosse WI 907 AM CDT Mon Aug 26 2024 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-271815- 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- 907 AM CDT Mon Aug 26 2024 This Hazardous Weather Outlook is for portions of southeast Minnesota...northeast Iowa and southwest into central Wisconsin. .DAY ONE...Today into Tonight Dangerous heat and humidity across the area today. Please see the latest Excessive Heat Warning and Heat Advisory for further details. Thunderstorms move across the area parts of the area tonight. Some of the thunderstorms could be severe with damaging winds and large hail the main threats. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Thunderstorm chances continue into Tuesday. A few of the storms could be strong or severe. There is another chance for thunderstorms Thursday. It is too early to discern the severe weather potential. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed late tonight or Tuesday. .EMERGENCY MANAGEMENT COORDINATION... A webinar is scheduled for 1pm today. Zapotocny/EMS
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 1:57 PM CDT | Heat Advisory | ARX | Adams, Juneau, La Crosse, Monroe, Vernon | 29 hr |
Nearby
Excessive Heat Warnings in Wisconsin, 2024Excessive Heat Warnings in Iowa, 2024Every excessive heat warning in 2024
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.