Alert archive / Iowa / Flash Flood Warnings in 2013
Flash Flood Warning 13, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at May 25, 2013, 8:21 AM CDT for Jasper County, Marshall County, Story County, Iowa. It was in force for 6 hr. 6 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
- May 25, 2013, 8:21 AM CDT (13:21 UTC)
- Expired
- May 25, 2013, 2:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jasper County, IA, Marshall County, IA, Story County, IA
The radar
The Des Moines radar (KDMX), 49 km from the middle of the area, began a volume at 13:24 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 |
|---|---|---|---|
| May 25, 8:27 AM CDT | HEAVY RAIN 2 | Newton, IA | STREET FLOODING IN NEWTON |
| May 25, 9:45 AM CDT | FLASH FLOOD | 1 Ne Colo, IA | WATER ABOUT 18 INCHES DEEP OVER THE INTERSECTION OF HIGHWAY 65 AND LINCOLN WAY OR 230TH STREET. |
| May 25, 10:01 AM CDT | FLASH FLOOD | 3 S State Center, IA | WATER WAS REPORTED OVER DURHAM AVE ABOUT 3 MILES SOUTH OF STATE CENTER |
| May 25, 12:07 PM CDT | HEAVY RAIN 3.94 | State Center, IA | STORM TOTAL RAINFALL |
| May 25, 12:46 PM CDT | HEAVY RAIN 4.94 | 1 Sw State Center, IA | |
| May 25, 2:17 PM CDT | HEAVY RAIN 5.1 | 4 Ese Newton Airport, IA | RAINFALL SINCE MIDNIGHT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 1.4 hours before the alert went out and 220 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1450 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
243
WGUS53 KDMX 251321
FFWDMX
IAC099-127-169-251930-
/O.NEW.KDMX.FF.W.0013.130525T1321Z-130525T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
821 AM CDT SAT MAY 25 2013
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JASPER COUNTY IN CENTRAL IOWA...
SOUTHEASTERN STORY COUNTY IN CENTRAL IOWA...
SOUTHWESTERN MARSHALL COUNTY IN CENTRAL IOWA...
* UNTIL 230 PM CDT SATURDAY
* AT 820 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEWTON...MONROE AND STATE CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
&&
LAT...LON 4151 9276 4151 9311 4185 9335 4186 9335
4186 9337 4195 9344 4203 9337 4205 9310
4172 9277
$$
PODRAZIK3 follow-up statements
887
WGUS73 KDMX 251439
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
939 AM CDT SAT MAY 25 2013
IAC099-127-169-251930-
/O.CON.KDMX.FF.W.0013.000000T0000Z-130525T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STORY IA-MARSHALL IA-JASPER IA-
939 AM CDT SAT MAY 25 2013
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR JASPER...SOUTHWESTERN
MARSHALL AND SOUTHEASTERN STORY COUNTIES UNTIL 230 PM CDT...
AT 932 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR
ESTIMATES 2 TO 4 INCHES OF RAIN FELL ACROSS THE WARNED AREA THIS
MORNING RESULTING IN MANNY SMALL STREAMS...CREEKS...AND DRAINAGE AREAS
TO FLOOD. AN ADDITIONAL HALF INCH OF RAIN IS POSSIBLE THROUGH 1030 AM
CDT.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
NEWTON...MONROE AND STATE CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS... AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
&&
LAT...LON 4151 9276 4151 9311 4185 9335 4186 9335
4186 9337 4195 9344 4203 9337 4205 9310
4172 9277
$$
PODRAZIK883
WGUS73 KDMX 251526
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1026 AM CDT SAT MAY 25 2013
IAC099-127-169-251930-
/O.CON.KDMX.FF.W.0013.000000T0000Z-130525T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STORY IA-MARSHALL IA-JASPER IA-
1026 AM CDT SAT MAY 25 2013
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR JASPER...SOUTHWESTERN
MARSHALL AND SOUTHEASTERN STORY COUNTIES UNTIL 230 PM CDT...
AT 1001 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH
FLOODING WAS OCCURRING 3 MILES SOUTH OF STATE CENTER WITH WATER OVER
DURHAM AVENUE.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING
INCLUDE...NEWTON...MONROE AND STATE CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS... AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
&&
LAT...LON 4151 9276 4151 9311 4185 9335 4186 9335
4186 9337 4195 9344 4203 9337 4205 9310
4172 9277
$$
PODRAZIK144
WGUS73 KDMX 251713
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1213 PM CDT SAT MAY 25 2013
IAC099-127-169-251727-
/O.CAN.KDMX.FF.W.0013.000000T0000Z-130525T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STORY IA-MARSHALL IA-JASPER IA-
1213 PM CDT SAT MAY 25 2013
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR JASPER...
SOUTHWESTERN MARSHALL AND SOUTHEASTERN STORY COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4151 9276 4151 9311 4185 9335 4186 9335
4186 9337 4195 9344 4203 9337 4205 9310
4172 9277
$$
PODRAZIKThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 3:39 PM CDT | Flash Flood Watch | DMX | Audubon, Black Hawk, Boone, Calhoun, Carroll, Crawford and 17 more | 21 hr |
| May 25, 4:14 PM CDT | River Flood Warning | DMX | Davis, Wapello | 42 hr |
Nearby
Flash Flood Warnings in Iowa, 2013Every flash flood warning in 2013
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.