Alert archive / Iowa / Flash Flood Warnings in 2014
Flash Flood Warning 53, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Aug 28, 2014, 4:28 AM CDT for 4 counties in Iowa. 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
- Aug 28, 2014, 4:28 AM CDT (09:28 UTC)
- Expired
- Aug 28, 2014, 10:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Adams County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA
The radar
The Des Moines radar (KDMX), 129 km from the middle of the area, began a volume at 09:30 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 |
|---|---|---|---|
| Aug 28, 6:00 AM CDT | HEAVY RAIN 2.5 | S Bedford, IA | COCORAHS REPORT OF 2.50 INCHES OF RAIN IN PAST 24 HOURS |
| Aug 28, 6:54 AM CDT | HEAVY RAIN 1.4 | 1 N Beaconsfield, IA | CO-OP OBSERVER MEASURED 1.40 INCHES OF RAIN IN PAST 24 HOURS |
| Aug 28, 7:00 AM CDT | HEAVY RAIN 1.23 | 1 Ssw Mount Ayr, IA | CO-OP OBSERVER MEASURED 1.23 INCHES OF RAIN IN PAST 24 HOURS |
| Aug 28, 7:00 AM CDT | HEAVY RAIN 1.74 | 1 W Blockton, IA | CO-OP OBSERVER MEASURED 1.74 INCHES OF RAIN IN PAST 24 HOURS |
| Aug 28, 7:00 AM CDT | HEAVY RAIN 2.52 | N Bedford, IA | CO-OP OBSERVER MEASURED 2.52 INCHES OF RAIN IN PAST 24 HOURS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 9.5 hours before the alert went out and 172 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
- 48 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
793
WGUS53 KDMX 280928
FFWDMX
IAC003-159-173-175-281530-
/O.NEW.KDMX.FF.W.0053.140828T0928Z-140828T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
428 AM CDT THU AUG 28 2014
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
RINGGOLD COUNTY IN SOUTH CENTRAL IOWA...
TAYLOR COUNTY IN SOUTHWEST IOWA...
SOUTHERN UNION COUNTY IN SOUTH CENTRAL IOWA...
SOUTHEASTERN ADAMS COUNTY IN SOUTHWEST IOWA...
* UNTIL 1030 AM CDT THURSDAY
* AT 427 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN WITH LOCALLY HIGHER AMOUNTS POSSIBLE. FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MOUNT AYR...BEDFORD...LENOX...SUN VALLEY LAKE...CLEARFIELD...
DIAGONAL...KELLERTON...BLOCKTON...GRAVITY...TINGLEY...ARISPE...
SHARPSBURG...REDDING...SHANNON CITY...KENT...ELLSTON...BENTON...
CONWAY...MALOY AND DELPHOS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4057 9480 4092 9478 4100 9401 4057 9402
$$
BOKSA2 follow-up statements
328 WGUS73 KDMX 281109 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 609 AM CDT THU AUG 28 2014 IAC003-159-173-175-281530- /O.CON.KDMX.FF.W.0053.000000T0000Z-140828T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ RINGGOLD IA-TAYLOR IA-UNION IA-ADAMS IA- 609 AM CDT THU AUG 28 2014 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT THURSDAY FOR RINGGOLD...TAYLOR...SOUTHERN UNION AND SOUTHEASTERN ADAMS COUNTIES... AT 604 AM CDT...DOPPLER RADAR INDICATED THAT THE FIRST ROUND OF HEAVY RAIN HAD PUSHED TO THE EAST OF THE WARNED AREA BUT ADDITIONS RAINFALL WAS JUST TO THE WEST AND MOVING NORTHEAST TOWARDS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAS ALREADY FALLEN WITH ADDITIONAL RAINFALL EXPECTED YET THIS MORNING. FLASH FLOODING IS EXPECTED ACROSS THE AREA DUE TO THE HEAVY RAINFALL FROM EARLIER THIS MORNING AND FROM THE PAST FEW DAYS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... MOUNT AYR...BEDFORD...LENOX...SUN VALLEY LAKE...CLEARFIELD... DIAGONAL...KELLERTON...BLOCKTON...GRAVITY...TINGLEY...ARISPE... SHARPSBURG...REDDING...SHANNON CITY...KENT...ELLSTON...BENTON... CONWAY...MALOY AND DELPHOS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4057 9480 4092 9478 4100 9401 4057 9402 $$ BOKSA
138 WGUS73 KDMX 281220 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 720 AM CDT THU AUG 28 2014 IAC003-159-173-175-281227- /O.CAN.KDMX.FF.W.0053.000000T0000Z-140828T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ RINGGOLD IA-TAYLOR IA-UNION IA-ADAMS IA- 720 AM CDT THU AUG 28 2014 ...THE FLASH FLOOD WARNING FOR RINGGOLD...TAYLOR...SOUTHERN UNION AND SOUTHEASTERN ADAMS COUNTIES IS CANCELLED... THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. HOWEVER...SHOULD ADDITIONAL THUNDERSTORMS DEVELOP AND PRODUCE HEAVY RAINFALL OVER THE SAME AREA YET THIS MORNING...THE COMBINATION OF THE RAIN THAT FELL IN PREVIOUS DAYS AND OVERNIGHT AND THE ALREADY SATURATED SOILS MEANS THAT IT WILL NOT TAKE MUCH TO PRODUCE FLASH FLOODING. REMEMBER THAT A FLASH FLOOD WATCH STILL REMAINS IN EFFECT FOR YOUR AREA. LAT...LON 4057 9480 4092 9478 4100 9401 4057 9402 $$ BOKSA
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 3:53 AM CDT | Special Weather Statement | DMX | Taylor | 52 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.