Alert archive / Iowa / Flash Flood Warnings in 2014
Flash Flood Warning 13, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jun 19, 2014, 1:26 PM CDT for 4 counties in Iowa. It was in force for 3 hr. 2 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
- Jun 19, 2014, 1:26 PM CDT (18:26 UTC)
- Expired
- Jun 19, 2014, 4:30 PM CDT
- In force
- 3 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), 99 km from the middle of the area, began a volume at 18:27 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 |
|---|---|---|---|
| Jun 19, 3:36 PM CDT | FLASH FLOOD | 5 Se Waukon, IA | 13 ROADS CLOSED OR HAVE WATER OVER THEM AFTER WATER HAD RECEDED EARLIER. STREET FLOODING IN WAUKON AS WELL. |
| Jun 19, 4:05 PM CDT | FLASH FLOOD | Elkader, IA | WATER OVER ROADS IN VARIOUS SECTIONS OF THE COUNTY. EARLIER LEVELS THAT HAD RECEDED WERE ALL BACK UP. |
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, 6.4 hours before the alert went out and 161 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
- 137 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
523
WGUS53 KARX 191826
FFWARX
IAC005-043-065-191-192130-
/O.NEW.KARX.FF.W.0013.140619T1826Z-140619T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
126 PM CDT THU JUN 19 2014
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN FAYETTE COUNTY IN NORTHEAST IOWA...
CLAYTON COUNTY IN NORTHEAST IOWA...
SOUTHERN ALLAMAKEE COUNTY IN NORTHEAST IOWA...
SOUTHERN WINNESHIEK COUNTY IN NORTHEAST IOWA...
* UNTIL 430 PM CDT
* AT 123 PM CDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING
ACROSS FAR NORTHEAST IOWA. 3 TO 5 INCHES OF RAIN HAVE FALLEN WITH
SOME STORM TOTALS OF UP TO 7 INCHES POSSIBLE. FLASH FLOODING IS
ALREADY OCCURRING. EXCESSIVE RAINFALL OVER THE WARNING AREA WILL
CAUSE MUD SLIDES NEAR STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF
ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES PER HOUR ARE POSSIBLE
IN THE WARNED AREA.
FLOOD WATERS ARE MOVING DOWN THE YELLOW RIVER FROM OSIAN IOWA DOWN
THROUGH VOLNEY IOWA AND THE TURKEY RIVER FROM SPILLVILLE IOWA TO
ELKADER IOWA. TRIBUTARY RIVERS AND CREEKS WILL CREST THIS AFTERNOON
BUT THE MAIN STEM RIVERS MAY NOT CREST UNTIL TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4278 9144 4287 9162 4289 9208 4332 9206
4329 9108 4325 9106 4312 9118 4291 9115
4288 9110 4274 9106 4268 9091 4268 9100
$$
HALBACH1 follow-up statement
925
WGUS73 KARX 192017
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
317 PM CDT THU JUN 19 2014
IAC005-043-065-191-192130-
/O.CON.KARX.FF.W.0013.000000T0000Z-140619T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAYETTE IA-CLAYTON IA-ALLAMAKEE IA-WINNESHIEK IA-
317 PM CDT THU JUN 19 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
FAYETTE...CLAYTON...ALLAMAKEE AND WINNESHIEK COUNTIES...
A LINE OF STORMS HAS DROPPED 1 TO 3 INCHES OF ADDITIONAL RAIN ACROSS
PARTS OF NORTHEAST IOWA THIS AFTERNOON LEADING TO MORE FLOODING
PROBLEMS...INCLUDING STREET FLOODING IN OELWEIN. THESE STORMS AND
ASSOCIATED HEAVY RAIN THREAT WILL CONTINUE TO SHIFT INTO FAR
SOUTHWEST WISCONSIN THROUGH 5PM.
EXCESSIVE RAINFALL OVER THE WARNING AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4278 9144 4287 9162 4289 9208 4332 9206
4329 9108 4325 9106 4312 9118 4291 9115
4288 9110 4274 9106 4268 9091 4268 9100
$$
SHEAThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:14 PM CDT | River Flood Warning | ARX | Allamakee, Clayton | 22 days |
| Jun 18, 11:41 PM CDT | Flash Flood Warning | ARX | Allamakee, Clayton, Fayette, Howard, Winneshiek | 2 hr |
| Jun 19, 2:02 AM CDT | Flash Flood Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 6 hr |
| Jun 19, 5:26 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 64 min |
| Jun 19, 5:27 AM CDT | River Flood Warning | ARX | Clayton | 4 days |
| Jun 19, 5:27 AM CDT | River Flood Warning | ARX | Clayton | 3 days |
| Jun 19, 5:40 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 65 min |
| Jun 19, 7:40 AM CDT | Flash Flood Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Jun 19, 9:24 AM CDT | River Flood Warning | ARX | Allamakee | 3 days |
| Jun 19, 10:20 AM CDT | Special Weather Statement | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 55 min |
| Jun 19, 12:10 PM CDT | Special Weather Statement | ARX | Howard, Winneshiek | 65 min |
| Jun 19, 1:47 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette | 88 min |
| Jun 19, 2:42 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette | 2 hr |
| Jun 19, 3:41 PM CDT | River Flood Warning | ARX | Clayton | 6 days |
| Jun 19, 4:44 PM CDT | Flash Flood Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 3 hr |
| Jun 19, 5:04 PM CDT | Special Weather Statement | ARX | Floyd, Mitchell | 26 min |
Nearby
Flash Flood Warnings in Iowa, 2014Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.