Alert archive / Iowa / Flash Flood Warnings in 2013
Flash Flood Warning 7, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at May 29, 2013, 6:33 PM CDT for Clayton County, Iowa; Grant County, Wisconsin. It was in force for 6 hr. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 29, 2013, 6:33 PM CDT (23:33 UTC)
- Expired
- May 30, 2013, 12:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clayton County, IA, Grant County, WI
The radar
The La Crosse radar (KARX), 101 km from the middle of the area, began a volume at 23:32 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 6:46 PM CDT | HEAVY RAIN 2.9 | Edgewood, IA | PARTS OF HWY 3 EAST OF TOWN UNDER WATER |
| May 29, 8:09 PM CDT | FLASH FLOOD | Edgewood, IA | WIDESPREAD STREET FLOODING ACROSS SOUTHERN CLAYTON COUNTY. WATER RUNNING OVER ROADWAYS. |
| May 29, 9:00 PM CDT | HEAVY RAIN 4.1 | Edgewood, IA | |
| May 29, 9:41 PM CDT | HEAVY RAIN 4.5 | Edgewood, IA | |
| May 29, 11:36 PM CDT | FLASH FLOOD | Bagley, WI | GRANT COUNTY EM REPORTS FLOODING CONTINUES IN BAGLEY...WITH HIGH WATER OVER NUMEROUS ROADWAYS. CREEKS ARE VERY HIGH AND THE CITY OF BAGLEY DRAINAGE SYSTEM UNABLE TO KEEP UP WITH EXCESSIVE RAINFALL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 153 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
- 3 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1192 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -64 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
162
WGUS53 KARX 292333
FFWARX
IAC043-WIC043-300530-
/O.NEW.KARX.FF.W.0007.130529T2333Z-130530T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
633 PM CDT WED MAY 29 2013
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN CLAYTON COUNTY IN NORTHEAST IOWA...
WESTERN GRANT COUNTY IN SOUTHWEST WISCONSIN...
* UNTIL 1230 AM CDT
* AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR INDICATES THAT BETWEEN 1.5 AND 2 INCHES OF RAIN
HAS ALREADY FALLEN...AND ANOTHER INCH OF RAIN IS EXPECTED THROUGH
9 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GUTTENBERG...BLOOMINGTON...CASSVILLE...AND GARNAVILLO POINT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND... DONT DROWN.
&&
LAT...LON 4271 9161 4299 9125 4300 9110 4299 9106
4303 9099 4303 9097 4306 9094 4309 9082
4305 9068 4265 9090 4264 9161
$$2 follow-up statements
197
WGUS73 KARX 300111
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
811 PM CDT WED MAY 29 2013
IAC043-WIC043-300530-
/O.CON.KARX.FF.W.0007.000000T0000Z-130530T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAYTON IA-GRANT WI-
811 PM CDT WED MAY 29 2013
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN GRANT AND
SOUTHEASTERN CLAYTON COUNTIES UNTIL 1230 AM CDT...
AT 809 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH
FLOODING WAS OCCURRING IN CLAYTON COUNTY. SEVERAL ROADS ARE CLOSED
OVER THE SOUTHERN PART OF THE COUNTY FROM EDGEWOOD AND STRAWBERRY
POINT TO NEAR GARBER.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ELKADER...
GUTTENBERG...BLOOMINGTON...CASSVILLE...EDGEWOOD...GARNAVILLO AND
STRAWBERRY POINT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 4271 9161 4299 9125 4300 9110 4299 9106
4303 9099 4303 9097 4306 9094 4309 9082
4305 9068 4265 9090 4264 9161
$$
MW957
WGUS73 KARX 300243
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
943 PM CDT WED MAY 29 2013
IAC043-WIC043-300530-
/O.CON.KARX.FF.W.0007.000000T0000Z-130530T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAYTON IA-GRANT WI-
943 PM CDT WED MAY 29 2013
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN GRANT AND
SOUTHEASTERN CLAYTON COUNTIES UNTIL 1230 AM CDT...
AT 941 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. A
COOPERATIVE OBSERVER IN EDGEWOOD REPORTED 4.5 INCHES SO FAR.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ELKADER...GUTTENBERG...BLOOMINGTON...CASSVILLE...EDGEWOOD...
GARNAVILLO AND STRAWBERRY POINT.
LAW ENFORCEMENT REPORTED WASHED OUT GRAVEL ROADS IN EDGEWOOD...WITH
2 FEET OR MORE OF WATER RUNNING OVER. WIDESPREAD FLOODED ROADWAYS
ARE REPORTED ACROSS SOUTHERN FAYETTE COUNTY...FROM EDGEWOOD TO
STRAWBERRY POINT.
THERE ARE REPORTS OF EVACUATIONS OF RESIDENTS LIVING ALONG BEAR
CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 4271 9161 4299 9125 4300 9110 4299 9106
4303 9099 4303 9097 4306 9094 4309 9082
4305 9068 4265 9090 4264 9161
$$
ZTThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 11:44 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 32 hr |
| May 29, 2:25 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 35 min |
| May 29, 2:50 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 25 min |
| May 29, 3:41 PM CDT | Flash Flood Warning | ARX | Chickasaw | 6 hr |
| May 29, 4:08 PM CDT | Flash Flood Warning | ARX | Howard, Winneshiek | 7 hr |
| May 29, 4:52 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 38 min |
| May 29, 5:17 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 58 min |
| May 29, 5:30 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 45 min |
| May 29, 5:42 PM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 7 hr |
| May 29, 6:12 PM CDT | Areal Flood Warning | ARX | Fayette | 9 hr |
| May 29, 3:47 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 43 min |
| May 29, 4:08 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, La Crosse, Trempealeau | 52 min |
| May 29, 4:26 PM CDT | Flash Flood Warning | ARX | La Crosse | 7 hr |
| May 29, 4:40 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 65 min |
| May 29, 5:39 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant, Richland | 51 min |
| May 29, 6:08 PM CDT | Tornado Warning | ARX | Crawford, Grant | 22 min |
| May 29, 6:30 PM CDT | Tornado Warning | ARX | Grant | 30 min |
| May 29, 6:35 PM CDT | Severe Thunderstorm Warning | ARX | Monroe, Richland, Vernon | 40 min |
| May 29, 6:46 PM CDT | Tornado Warning | ARX | Richland | 29 min |
Nearby
Flash Flood Warnings in Iowa, 2013Flash Flood Warnings in Wisconsin, 2013Every flash flood 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.