Alert archive / Iowa / Flash Flood Warnings in 2014

Flash Flood Warning 49, NWS Des Moines, IA

July 25, 2014Emmet County, Kossuth County, Iowa

NWS Des Moines, IA issued this flash flood warning at Jul 25, 2014, 7:06 AM CDT for Emmet County, Kossuth County, Iowa. It was in force for 6 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: Jul 25, 2014, 7:06 AM CDT (12:06 UTC)
Expired: Jul 25, 2014, 1:00 PM CDT
In force: 6 hr
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: None

Counties Emmet County, IA, Kossuth County, IA

The radar

The Minneapolis radar (KMPX), 179 km from the middle of the area, began a volume at 12:10 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
Jul 25, 8:05 AM CDT	HEAVY RAIN 4.25	Sw Armstrong, IA	TRAINED SPOTTER MEASURED 4.25 INCHES OF RAIN
Jul 25, 9:15 AM CDT	HEAVY RAIN 4.25	6 Ene Ringsted, IA	TRAINED SPOTTER REPORTED UPDATED RAINFALL TOTAL OF 4.25 INCHES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 0.1 hours before the alert went out and 178 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: 622 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 221 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.

960 
WGUS53 KDMX 251206
FFWDMX
IAC063-109-251800-
/O.NEW.KDMX.FF.W.0049.140725T1206Z-140725T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
706 AM CDT FRI JUL 25 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN EMMET COUNTY IN NORTHWEST IOWA...
  NORTHERN KOSSUTH COUNTY IN NORTH CENTRAL IOWA...

* UNTIL 100 PM CDT
    
* AT 703 AM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA.  
  RAINFALL AMOUNTS OVER FIVE INCHES HAVE LIKELY FALLEN WITH 
  ADDITIONAL HEAVY RAINS TO FOLLOW.  FLASH FLOODING IS EXPECTED TO 
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... IOWA 
  LAKE...ARMSTRONG...BANCROFT... SWEA CITY...TITONKA... 
  RINGSTED...FENTON...LAKOTA...LONE ROCK...DOLLIVER AND OKAMANPEDAN 
  STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4350 9440 4334 9397 4321 9397 4321 9444
      4325 9444 4325 9450 4350 9481

$$

SMALL

1 follow-up statement

314 
WGUS73 KDMX 251334
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
834 AM CDT FRI JUL 25 2014

IAC063-109-251340-
/O.CAN.KDMX.FF.W.0049.000000T0000Z-140725T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EMMET IA-KOSSUTH IA-
834 AM CDT FRI JUL 25 2014

...THE FLASH FLOOD WARNING FOR EASTERN EMMET AND NORTHERN KOSSUTH
COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.

LAT...LON 4350 9440 4334 9397 4321 9397 4321 9444
      4325 9444 4325 9450 4350 9481

$$

AWB

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.