Alert archive / Iowa / Flash Flood Warnings in 2014

Flash Flood Warning 8, NWS Des Moines, IA

June 3, 20144 counties in Iowa

NWS Des Moines, IA issued this flash flood warning at Jun 3, 2014, 6:30 PM 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: Jun 3, 2014, 6:30 PM CDT (23:30 UTC)
Expired: Jun 4, 2014, 12:30 AM CDT
In force: 6 hr
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: None

Counties Adair County, IA, Adams County, IA, Cass County, IA, Union County, IA

The radar

The Des Moines radar (KDMX), 111 km from the middle of the area, began a volume at 23:33 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 3, 7:20 PM CDT	HEAVY RAIN 2.5	7 Wsw Cumberland, IA	REPORTED VIA NWS DMX SMS PHONE NUMBER.
Jun 3, 8:00 PM CDT	FLASH FLOOD	Griswold, IA	CASS COUNTY EMERGENCY MANAGER REPORTED STREET FLOODING IN GRISWOLD. WATER WAS COVERING CAR TIRES.
Jun 3, 8:29 PM CDT	FLASH FLOOD	Corning, IA	ADAMS COUNTY EMERGENCY MANAGER REPORTED WATER OVER MANY COUNTY ROADWAYS
Jun 3, 8:30 PM CDT	FLASH FLOOD	Orient, IA	ADAIR COUNTY EMERGENCY MANAGER REPORTED SEVERAL ROADS IN SOUTHERN ADAIR COUNTY WERE COVERED BY WATER AND HAD TO BE CLOSED UNTIL WATER RECEDED. DELAYED REPORT.
Jun 3, 10:47 PM CDT	HEAVY RAIN 2.1	Atlantic, IA	STILL RAINING

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 12:00Z, 11.5 hours before the alert went out and 133 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1541 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 172 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

839 
WGUS53 KDMX 032330
FFWDMX
IAC001-003-029-175-040530-
/O.NEW.KDMX.FF.W.0008.140603T2330Z-140604T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
630 PM CDT TUE JUN 3 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CASS COUNTY IN SOUTHWEST IOWA...
  ADAIR COUNTY IN SOUTHWEST IOWA...
  WESTERN UNION COUNTY IN SOUTH CENTRAL IOWA...
  ADAMS COUNTY IN SOUTHWEST IOWA...

* UNTIL 1230 AM CDT WEDNESDAY
    
* AT 629 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN IN EXCESS OF TWO INCHES OF RAIN HAVE ALREADY FALLEN. 
  FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CRESTON...ATLANTIC...GREENFIELD...CORNING...STUART...LENOX...
  GRISWOLD...GREEN VALLEY LAKE...LAKE ICARIA...ANITA...ADAIR...
  FONTANELLE...LEWIS...ORIENT...MASSENA...CUMBERLAND...PRESCOTT...
  BRIDGEWATER...MARNE AND WIOTA.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA THROUGH 10 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4090 9493 4116 9493 4116 9516 4150 9516
      4149 9424 4090 9422

$$

DONAVON

4 follow-up statements

435 
WGUS73 KDMX 040029
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
729 PM CDT TUE JUN 3 2014

IAC001-003-029-175-040530-
/O.CON.KDMX.FF.W.0008.000000T0000Z-140604T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CASS IA-ADAIR IA-UNION IA-ADAMS IA-
729 PM CDT TUE JUN 3 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
WEDNESDAY FOR CASS...ADAIR...WESTERN UNION AND ADAMS COUNTIES...

AT 727 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
HEAVY RAIN MOVING BACK INTO THE WARNED AREA FROM THE WEST. OVER TWO 
INCHES OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO 
BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CRESTON...ATLANTIC...GREENFIELD...CORNING...STUART...LENOX...
GRISWOLD...GREEN VALLEY LAKE...LAKE ICARIA...ANITA...ADAIR...
FONTANELLE...LEWIS...ORIENT...MASSENA...CUMBERLAND...PRESCOTT...
BRIDGEWATER...MARNE AND WIOTA.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA THROUGH MIDNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4090 9493 4116 9493 4116 9516 4150 9516
      4149 9424 4090 9422

$$

DONAVON

609 
WGUS73 KDMX 040229
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
929 PM CDT TUE JUN 3 2014

IAC001-003-029-175-040530-
/O.CON.KDMX.FF.W.0008.000000T0000Z-140604T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CASS IA-ADAIR IA-UNION IA-ADAMS IA-
929 PM CDT TUE JUN 3 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
WEDNESDAY FOR CASS...ADAIR...WESTERN UNION AND ADAMS COUNTIES...

AT 925 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
HEAVY RAIN ACROSS THE WARNED AREA. UP TO 3.5 INCHES OF RAIN HAS 
ALREADY FALLEN WITH HIGHEST AMOUNTS FROM NEAR CUMBERLAND THROUGH 
PRESCOTT TO SOUTH OF CROMWELL.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CRESTON...ATLANTIC...GREENFIELD...CORNING...STUART...LENOX...
GRISWOLD...GREEN VALLEY LAKE...LAKE ICARIA...ANITA...ADAIR...
FONTANELLE...LEWIS...ORIENT...MASSENA...CUMBERLAND...PRESCOTT...
BRIDGEWATER...MARNE AND WIOTA.

PETTITTS BRANCH CREEK...WHISLERS BRANCH...THE MIDDLE AND WEST 
NODAWAY RIVER...AND THE MIDDLE PLATTE RIVER MAY BE AFFECTED.

ADDITIONAL RAINFALL AMOUNTS OF AN INCH OR MORE ARE POSSIBLE IN THE 
WARNED AREA THROUGH MIDNIGHT...WITH ADDITIONAL RAINS POSSIBLE 
OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4116 9516 4150 9516 4149 9424 4090 9422
      4090 9493 4116 9493

$$

SMALL

036 
WGUS73 KDMX 040442
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1142 PM CDT TUE JUN 3 2014

IAC001-003-029-175-040530-
/O.CON.KDMX.FF.W.0008.000000T0000Z-140604T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CASS IA-ADAIR IA-UNION IA-ADAMS IA-
1142 PM CDT TUE JUN 3 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
WEDNESDAY FOR CASS...ADAIR...WESTERN UNION AND ADAMS COUNTIES...

AT 1134 PM CDT...A WIDESPREAD SWATH OF THREE TO OVER FOUR INCHES OF 
RAIN HAS FALLEN THIS EVENING OVER THE WARNED AREA. WHILE 
THUNDERSTORMS HAVE WEAKENED OR EVEN ENDED...FLASH FLOODING MAY STILL 
BE OCCURRING. THE STRONG STORMS HAVE SHIFTED TO THE SOUTH AND ONLY 
ANOTHER QUARTER TO HALF INCH OF RAIN MAY FALL TONIGHT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CRESTON...ATLANTIC...GREENFIELD...CORNING...STUART...LENOX...
GRISWOLD...GREEN VALLEY LAKE...LAKE ICARIA...ANITA...ADAIR...
FONTANELLE...LEWIS...ORIENT...MASSENA...CUMBERLAND...PRESCOTT...
BRIDGEWATER...MARNE AND WIOTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4116 9516 4150 9516 4149 9424 4090 9422
      4090 9493 4116 9493

$$

SKOW

197 
WGUS73 KDMX 040524
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1224 AM CDT WED JUN 4 2014

IAC001-003-029-175-040532-
/O.EXP.KDMX.FF.W.0008.000000T0000Z-140604T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CASS IA-ADAIR IA-UNION IA-ADAMS IA-
1224 AM CDT WED JUN 4 2014

...THE FLASH FLOOD WARNING FOR CASS...ADAIR...WESTERN UNION AND ADAMS
COUNTIES WILL EXPIRE AT 1230 AM CDT...

WHILE FLOOD WATERS HAVE RECEDED...LOCAL STREAMS AND RIVERS MAY 
CONTINUE TO BE FLOWING QUICKLY AND AT ELEVATED LEVELS THROUGH THE 
MORNING. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 4116 9516 4150 9516 4149 9424 4090 9422
      4090 9493 4116 9493

$$

SKOW

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 3, 4:17 AM CDT	Flash Flood Watch	DMX	Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 32 more	23 hr
Jun 3, 10:39 AM CDT	River Flood Warning	DMX	Decatur	4 days
Jun 3, 3:47 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	58 min
Jun 3, 4:20 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	28 min
Jun 3, 4:26 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	64 min
Jun 3, 4:42 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Audubon, Cass	78 min
Jun 3, 4:43 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	35 min
Jun 3, 5:27 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Ringgold	63 min
Jun 3, 5:33 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	42 min
Jun 3, 5:56 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	31 min
Jun 3, 6:10 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Ringgold, Taylor, Union	65 min
Jun 3, 6:56 PM CDT	Tornado Warning	DMX	Ringgold	22 min
Jun 3, 6:57 PM CDT	Flash Flood Warning	DMX	Ringgold, Taylor	6 hr

Nearby

Flash Flood Warnings in Iowa, 2014 Every 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.