Alert archive / Iowa / Flash Flood Warnings in 2014

Flash Flood Warning 7, NWS Des Moines, IA

June 1, 2014Kossuth County, Palo Alto County, Iowa

NWS Des Moines, IA issued this flash flood warning at Jun 1, 2014, 2:46 PM CDT for Kossuth County, Palo Alto County, 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 1, 2014, 2:46 PM CDT (19:46 UTC)
Expired
Jun 1, 2014, 8:45 PM CDT
In force
6 hr
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Flood severity
None

Counties Kossuth County, IA, Palo Alto County, IA

The radar

The Des Moines radar (KDMX), 177 km from the middle of the area, began a volume at 19:46 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

TimeReportWhereRemark
Jun 1, 2:50 PM CDTHEAVY RAIN 3.354 Ssw Lone Rock, IAHEAVY RAIN DURATION 2 HOURS
Jun 1, 3:43 PM CDTFLASH FLOOD4 Ssw Lone Rock, IAWATER OVER 60TH AVE BETWEEN 270TH AND 280TH ST. POSSIBLY OVERFLOW FROM NEARBY BLACK CAT CREEK.
Jun 1, 3:50 PM CDTHEAVY RAIN 4.034 Ssw Lone Rock, IAHEAVY RAIN DURATION 3 HOURS
Jun 1, 6:05 PM CDTHEAVY RAIN 5.284 Ssw Lone Rock, IASTORM TOTAL THUS FAR TODAY. HEAVY RAIN DURATION 5 HOURS 20 MINUTES
Jun 1, 8:20 PM CDTHEAVY RAIN 63 Ne Cylinder, IAFARMER REPORTED AROUND 6 INCHES OF RAIN AND COUNTING 4 MILES NW OF WHITTEMORE. VIA SOCIAL MEDIA.

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, 7.8 hours before the alert went out and 189 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2014-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 327 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2014-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
327 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
497 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

419 
WGUS53 KDMX 011946
FFWDMX
IAC109-147-020145-
/O.NEW.KDMX.FF.W.0007.140601T1946Z-140602T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
246 PM CDT SUN JUN 1 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL PALO ALTO COUNTY IN NORTHWEST IOWA...
  CENTRAL KOSSUTH COUNTY IN NORTH CENTRAL IOWA...

* UNTIL 845 PM CDT
    
* AT 245 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
  HEAVY RAIN FROM PALO ALTO INTO KOSSUTH COUNTY. UP TO THREE INCHES 
  OF RAIN MAY HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO 
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EMMETSBURG...FIVE ISLAND LAKE...SMITH POOL...RUSH LAKE...SILVER
  LAKE...BANCROFT...SWEA CITY...BURT...WHITTEMORE...TITONKA...
  FENTON...LAKOTA...LONE ROCK...AYRSHIRE...LEDYARD...CYLINDER...
  CURLEW...RODMAN...EMMETSBURG MUNICIPAL AIRPORT AND KEARNEY STATE
  PARK.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN 
THE WARNED AREA INTO THE EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

KEEP CHILDREN AWAY FROM STORM DRAINS...CULVERTS...CREEKS AND STREAMS.
WATER LEVELS CAN RISE RAPIDLY AND SWEEP CHILDREN AWAY.

&&

LAT...LON 4350 9398 4320 9397 4297 9457 4291 9491
      4303 9489 4326 9453 4325 9444 4331 9444
      4350 9413

$$

SMALL
4 follow-up statements
163 
WGUS73 KDMX 012104
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
404 PM CDT SUN JUN 1 2014

IAC109-147-020145-
/O.CON.KDMX.FF.W.0007.000000T0000Z-140602T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALO ALTO IA-KOSSUTH IA-
404 PM CDT SUN JUN 1 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
CENTRAL PALO ALTO AND CENTRAL KOSSUTH COUNTIES...

AT 356 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. AT LEAST 
FOUR INCHES OF RAIN HAS ALREADY FALLEN AS MEASURED BY A RAIN GAUGE 4 
MILES SSW OF LONE ROCK...WITH DOPPLER RADAR ESTIMATES SHOWING EVEN 
HIGHER AMOUNTS...OVER FIVE INCHES...IN PALO ALTO COUNTY.  WATER HAS 
ALREADY BEEN REPORTED OVER THE ROAD SOUTH OF LONE ROCK WITH WATER 
OVER 60TH AVE BETWEEN 270TH AND 280TH STREETS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EMMETSBURG...FIVE ISLAND LAKE...SMITH POOL...RUSH LAKE...SILVER
LAKE...BANCROFT...SWEA CITY...BURT...WHITTEMORE...TITONKA...FENTON...
LAKOTA...LONE ROCK...AYRSHIRE...LEDYARD...CYLINDER...CURLEW...
RODMAN...EMMETSBURG MUNICIPAL AIRPORT AND KEARNEY STATE PARK.

CYLINDER CREEK...LOTTS CREEK...BLACK CAT CREEK AND PRAIRIE CREEK MAY 
BE AFFECTED.

ADDITIONAL RAINFALL AMOUNTS OF OVER AN INCH ARE POSSIBLE IN THE 
WARNED AREA AS STORMS EXIT THE SIOUXLAND AREA INTO NORTHERN IOWA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

KEEP CHILDREN AWAY FROM STORM DRAINS...CULVERTS...CREEKS AND STREAMS.
WATER LEVELS CAN RISE RAPIDLY AND SWEEP CHILDREN AWAY.

&&

LAT...LON 4350 9398 4320 9397 4297 9457 4291 9491
      4303 9489 4326 9453 4325 9444 4331 9444
      4350 9413

$$

SMALL
612 
WGUS73 KDMX 012224
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
524 PM CDT SUN JUN 1 2014

IAC109-147-020145-
/O.CON.KDMX.FF.W.0007.000000T0000Z-140602T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALO ALTO IA-KOSSUTH IA-
524 PM CDT SUN JUN 1 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
CENTRAL PALO ALTO AND CENTRAL KOSSUTH COUNTIES...

AT 518 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. 4.75 INCHES 
OF RAIN HAS BEEN MEASURED BY A HOME WEATHER STATION TODAY 4 MILES 
SSW OF LONE ROCK IN KOSSUTH COUNTY.  DOPPLER RADAR ESTIMATES SHOW 
THAT SOME LOCATIONS IN EASTERN PALO ALTO COUNTY MAY BE APPROACHING 
SIX INCHES OF RAINFALL.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
EMMETSBURG...FIVE ISLAND LAKE...SMITH POOL...RUSH LAKE...SILVER 
LAKE...BANCROFT...SWEA 
CITY...BURT...WHITTEMORE...TITONKA...FENTON... LAKOTA...LONE 
ROCK...AYRSHIRE...LEDYARD...CYLINDER...CURLEW... RODMAN...EMMETSBURG 
MUNICIPAL AIRPORT AND KEARNEY STATE PARK.

CYLINDER CREEK...LOTTS CREEK...BLACK CAT CREEK AND PRAIRIE CREEK MAY 
BE AFFECTED.

ALTHOUGH THUNDERSTORMS UPSTREAM HAVE WEAKENED SOMEWHAT...ADDITIONAL 
MODERATE RAINFALL UP TO AN INCH IS STILL POSSIBLE IN THE WARNED AREA.

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 9398 4320 9397 4297 9457 4291 9491
      4303 9489 4326 9453 4325 9444 4331 9444
      4350 9413

$$

SMALL
506 
WGUS73 KDMX 012334
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
634 PM CDT SUN JUN 1 2014

IAC109-147-020145-
/O.CON.KDMX.FF.W.0007.000000T0000Z-140602T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALO ALTO IA-KOSSUTH IA-
634 PM CDT SUN JUN 1 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
CENTRAL PALO ALTO AND CENTRAL KOSSUTH COUNTIES...

AT 631 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. 5.28 INCHES 
OF RAIN HAS FALLEN AS RECORDED BY A HOME WEATHER STATION 4 MILES SSW 
OF LONE ROCK.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EMMETSBURG...FIVE ISLAND LAKE...SMITH POOL...RUSH LAKE...SILVER
LAKE...BANCROFT...SWEA CITY...BURT...WHITTEMORE...TITONKA...FENTON...
LAKOTA...LONE ROCK...AYRSHIRE...LEDYARD...CYLINDER...CURLEW...
RODMAN...EMMETSBURG MUNICIPAL AIRPORT AND KEARNEY STATE PARK.

CYLINDER CREEK...LOTTS CREEK...BLACK CAT CREEK AND PRAIRIE CREEK MAY 
BE AFFECTED.

ALTHOUGH THE HEAVIEST RAIN HAS ENDED OR WILL SHORTLY...ADDITIONAL 
RAINFALL AMOUNTS UP TO AN INCH MAY OCCUR THROUGH 8PM.

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 9398 4320 9397 4297 9457 4291 9491
      4303 9489 4326 9453 4325 9444 4331 9444
      4350 9413

$$

SMALL
943 
WGUS73 KDMX 020136
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
836 PM CDT SUN JUN 1 2014

IAC109-147-020146-
/O.EXP.KDMX.FF.W.0007.000000T0000Z-140602T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALO ALTO IA-KOSSUTH IA-
836 PM CDT SUN JUN 1 2014

...THE FLASH FLOOD WARNING FOR CENTRAL PALO ALTO AND CENTRAL KOSSUTH
COUNTIES WILL EXPIRE AT 845 PM CDT...

ALTHOUGH LIGHT RAIN WILL CONTINUE AND END BEFORE MIDNIGHT...THE 
HEAVY RAIN THREAT HAS ENDED AND FLOODING IS NO LONGER EXPECTED TO 
POSE A THREAT.

LAT...LON 4350 9398 4320 9397 4297 9457 4291 9491
      4303 9489 4326 9453 4325 9444 4331 9444
      4350 9413

$$

SMALL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 12:45 PM CDTSpecial Weather StatementDMXBremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 7 more2 hr
Jun 1, 12:51 PM CDTTornado WarningDMXWinnebago24 min
Jun 1, 1:31 PM CDTTornado Warning Tornado observedDMXHancock, Kossuth, Winnebago29 min
Jun 1, 1:49 PM CDTTornado WarningDMXWorth26 min
Jun 1, 2:31 PM CDTTornado Warning Tornado observedDMXCerro Gordo, Worth29 min
Jun 1, 2:57 PM CDTFlash Flood WatchDMXCerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Pocahontas and 2 more8 hr
Jun 1, 5:13 PM CDTSevere Thunderstorm WarningDMXSac47 min
Jun 1, 5:49 PM CDTSpecial Weather StatementDMXAudubon, Cass56 min
Jun 1, 6:04 PM CDTSevere Thunderstorm WarningDMXCalhoun41 min
Jun 1, 6:25 PM CDTSpecial Weather StatementDMXAdair, Cass, Greene, Guthrie35 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.