Alert archive / Iowa / Flash Flood Warnings in 2014
Flash Flood Warning 4, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at May 12, 2014, 2:47 PM CDT for Lucas County, Iowa. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 12, 2014, 2:47 PM CDT (19:47 UTC)
- Expired
- May 12, 2014, 8:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Lucas County, IA
The radar
The Des Moines radar (KDMX), 86 km from the middle of the area, began a volume at 19:49 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
Davenport, (KDVN), launched 12:00Z, 7.8 hours before the alert went out and 236 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
- 850 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.6
The text
As transmitted, in the capitals the NWS used until 2016.
112
WGUS53 KDMX 121947
FFWDMX
IAC117-130145-
/O.NEW.KDMX.FF.W.0004.140512T1947Z-140513T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
247 PM CDT MON MAY 12 2014
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN LUCAS COUNTY IN SOUTH CENTRAL IOWA...
* UNTIL 845 PM CDT MONDAY
* AT 244 PM CDT...DOPPLER RADAR INDICATED REPEATED THUNDERSTORMS
PRODUCING HEAVY RAIN. AS MUCH AS 2 1/2 TO 3 INCHES HAVE ALREADY
FALLEN. ADDITIONAL HEAVY RAINFALL IS EXPECTED. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY ESPECIALLY WITHIN THE NORTH CEDAR CREEK
WATERSHED.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHARITON...RUSSELL...WILLIAMSON...DERBY...RED HAW LAKE STATE PARK
AND CHARITON MUNICIPAL AIRPORT. THE AREA OF MOST CONCERN IS
BETWEEN WILLIAMSON AND RUSSELL...AND EAST OF CHARITON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4116 9320 4116 9310 4090 9310 4090 9354
$$
ZOGG3 follow-up statements
123 WGUS73 KDMX 122031 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 331 PM CDT MON MAY 12 2014 IAC117-130145- /O.CON.KDMX.FF.W.0004.000000T0000Z-140513T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LUCAS IA- 331 PM CDT MON MAY 12 2014 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTHEASTERN LUCAS COUNTY... AT 327 PM CDT...DOPPLER RADAR INDICATED REPEATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES THAT AS MUCH AS 3 1/2 TO 4 INCHES OF RAIN HAS FALLEN WITHIN THE PAST COUPLE HOURS ACROSS PORTIONS OF THE WARNED AREA. FLASH FLOODING IS EITHER IN PROGRESS OR IS EXPECTED TO BEGIN SHORTLY ESPECIALLY WITHIN THE NORTH CEDAR CREEK WATERSHED. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CHARITON...RUSSELL...WILLIAMSON...DERBY...RED HAW LAKE STATE PARK AND CHARITON MUNICIPAL AIRPORT. THE AREA OF MOST CONCERN IS BETWEEN WILLIAMSON AND RUSSELL...AND EAST OF CHARITON. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4116 9320 4116 9310 4090 9310 4090 9354 $$ ZOGG
477 WGUS73 KDMX 122316 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 616 PM CDT MON MAY 12 2014 IAC117-130145- /O.CON.KDMX.FF.W.0004.000000T0000Z-140513T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LUCAS IA- 616 PM CDT MON MAY 12 2014 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTHEASTERN LUCAS COUNTY... AT 613 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THUNDERSTORMS PRODUCED HEAVY RAIN OVER THE WARNED AREA EARLIER THIS AFTERNOON. TWO TO FOUR INCHES OF RAIN MAY HAVE FALLEN IN SOME AREAS NORTH AND EAST OF CHARITON...WITH LESSER AMOUNTS FARTHER SOUTH AND WEST. FLASH FLOODING MAY BEGIN SHORTLY. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CHARITON...RUSSELL...WILLIAMSON...DERBY...RED HAW LAKE STATE PARK AND CHARITON MUNICIPAL AIRPORT. STREAMS INCLUDE NORTH CEDAR CREEK AND LITTLE WHITE BREAST CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME UNSTABLE AND UNSAFE. && LAT...LON 4116 9320 4116 9310 4090 9310 4090 9354 $$ SMALL
727 WGUS73 KDMX 130141 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 841 PM CDT MON MAY 12 2014 IAC117-130146- /O.EXP.KDMX.FF.W.0004.000000T0000Z-140513T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LUCAS IA- 841 PM CDT MON MAY 12 2014 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN LUCAS COUNTY WILL EXPIRE AT 845 PM CDT... ANY FLOOD WATERS THAT OCCURRED HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. LAT...LON 4116 9320 4116 9310 4090 9310 4090 9354 $$ SMALL
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:58 PM CDT | Special Weather Statement | DMX | Adair, Audubon, Carroll, Cass, Crawford, Guthrie | 2 hr |
| May 11, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 37 min |
| May 11, 8:24 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Cass, Crawford | 66 min |
| May 11, 9:05 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 40 min |
| May 11, 9:15 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Crawford, Greene, Sac | 45 min |
| May 11, 9:21 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Carroll, Dallas, Greene, Guthrie | 39 min |
| May 11, 9:30 PM CDT | Flash Flood Warning | DMX | Audubon, Carroll, Cass, Crawford | 6 hr |
| May 11, 9:45 PM CDT | Tornado Warning | DMX | Dallas, Guthrie | 30 min |
| May 11, 9:59 PM CDT | Tornado Warning | DMX | Boone, Dallas, Greene, Guthrie | 46 min |
| May 11, 10:03 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Boone, Dallas, Greene, Guthrie, Hamilton and 6 more | 57 min |
| May 11, 10:26 PM CDT | Tornado Warning | DMX | Dallas, Polk, Story | 34 min |
| May 11, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 45 min |
| May 11, 10:47 PM CDT | Tornado Warning | DMX | Boone, Hamilton, Story | 28 min |
| May 11, 10:55 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Hardin, Jasper, Marion, Marshall and 3 more | 65 min |
| May 11, 11:13 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass, Union | 47 min |
| May 12, 12:31 AM CDT | Flash Flood Warning | DMX | Adair | 6 hr |
| May 12, 12:47 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Ringgold, Union | 43 min |
| May 12, 1:32 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 43 min |
| May 12, 3:05 AM CDT | Special Weather Statement | DMX | Carroll | 25 min |
| May 12, 4:45 AM CDT | Special Weather Statement | DMX | Hardin | 30 min |
| May 12, 9:34 AM CDT | Special Weather Statement | DMX | Mahaska, Monroe, Wayne | 56 min |
| May 12, 10:34 AM CDT | Flash Flood Watch | DMX | Appanoose, Black Hawk, Bremer, Butler, Clarke, Davis and 14 more | 7 hr |
| May 12, 1:39 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Wayne | 36 min |
| May 12, 3:14 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe, Poweshiek, Wapello | 46 min |
| May 12, 3:36 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 39 min |
| May 12, 4:18 PM CDT | Flash Flood Warning | DMX | Marion, Monroe | 6 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.