Warning Vector

Flash Flood Warning

NWS La Crosse WI ยท US

New
This event was updated at .

Details

Flash Flood Warning Issued September 19 At 4:21AM CDT Until September 19 At 8:15AM CDT By NWS La Crosse WI

Event
Flash Flood Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWARX The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Clayton County in northeastern Iowa... Fayette County in northeastern Iowa... * Until 815 AM CDT. * At 421 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Hazard

Flash flooding caused by thunderstorms.

Source

Radar indicated.

Impacts

Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... West Union, Guttenberg, Elkader, Postville, Monona, Fayette, McGregor, Garnavillo, Elgin, Clermont, Maynard, Hawkeye, Arlington, Marquette, Farmersburg, Waucoma, Volga, Luana and Wadena.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Affected areas

  • Clayton County, IA
  • Fayette County, IA

Public contact

Issuer
NWS La Crosse WI

Message record

Received
Issue to receipt
~51s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2WFHNJ7KDR7J7RZ2KNSZZ4A
Identifier
urn:oid:2.49.0.1.840.0.ddafc4672e8b05976d24ba160ada534ebcdaefb0.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS La Crosse WI
AWIPS ID
CAPARX
NWWS sequence
nwws_processor.5964
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWARX
WMOidentifierWGUS53 KARX 190921
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KARX.FF.W.0016.260919T0921Z-260919T1315Z/
eventEndingTime2026-09-19T08:15:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • Clayton County, IA
  • Fayette County, IA
NameValue
SAME019043
SAME019065
UGCIAC043
UGCIAC065
Polygons
42.74,-92.08 43.08,-92.08 43.08,-91.18 42.96,-91.15 42.91,-91.15 42.88,-91.1 42.83,-91.09 42.83,-91.08 42.77,-91.07 42.76,-91.06 42.75,-91.07 42.73,-91.03 42.74,-92.08