Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 22, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Aug 28, 2016, 5:23 PM CDT for Ringgold County, Iowa. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 28, 2016, 5:23 PM CDT (22:23 UTC)
- Expired
- Aug 28, 2016, 11:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Ringgold County, IA
The radar
The Des Moines radar (KDMX), 116 km from the middle of the area, began a volume at 22:25 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.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.4 hours before the alert went out and 180 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
- 1697 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
192 WGUS53 KDMX 282223 FFWDMX IAC159-290415- /O.NEW.KDMX.FF.W.0022.160828T2223Z-160829T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 523 PM CDT SUN AUG 28 2016 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA... * UNTIL 1115 PM CDT * AT 521 PM CDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH FLOODING IN THE WARNED AREA. MULTIPLE ROADS ARE CLOSED DUE TO FLOODING IN THE DIAGONAL AREA. UPWARDS OF 4 TO 6 INCHES OF RAIN HAD FALLEN IN THE AREA. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... DIAGONAL...TINGLEY AND SHANNON CITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. && LAT...LON 4068 9443 4083 9446 4090 9432 4090 9407 $$ SKOW
1 follow-up statement
775 WGUS73 KDMX 290104 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 804 PM CDT SUN AUG 28 2016 IAC159-290113- /O.CAN.KDMX.FF.W.0022.000000T0000Z-160829T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ RINGGOLD IA- 804 PM CDT SUN AUG 28 2016 ...THE FLASH FLOOD WARNING FOR NORTHWESTERN RINGGOLD COUNTY IS CANCELLED... THE HEAVY RAIN HAS ENDED ACROSS THE COUNTY AND THE COUNTY EMERGENCY MANAGER REPORTS THAT ALL PREVIOUSLY CLOSED ROADS HAVE BEEN REOPENED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. LAT...LON 4068 9443 4083 9446 4090 9432 4090 9407 $$ SKOW
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 4:25 PM CDT | Special Weather Statement | DMX | Ringgold | 50 min |
| Aug 28, 4:58 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 31 min |
| Aug 28, 6:15 PM CDT | Special Weather Statement | DMX | Polk | 30 min |
Nearby
Flash Flood Warnings in Iowa, 2016Every flash flood warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.