Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 6, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 14, 2016, 5:47 PM CDT for Cerro Gordo County, Iowa. It was in force for 6 hr. 1 report 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 14, 2016, 5:47 PM CDT (22:47 UTC)
- Expired
- Jun 14, 2016, 11:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Cerro Gordo County, IA
The radar
The Des Moines radar (KDMX), 163 km from the middle of the area, began a volume at 22:47 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 14, 7:45 PM CDT | FLASH FLOOD | 5 Ssw Rock Falls, IA | WATER FLOWING PRETTY GOOD OVER 260TH STREET BETWEEN ULMUS AVENUE AND THRUSH AVENUE. DEEP ENOUGH FOR THE SHERIFF TO PUT UP BARRICADES. |
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, 10.8 hours before the alert went out and 197 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
- 7 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
213 WGUS53 KDMX 142247 FFWDMX IAC033-150445- /O.NEW.KDMX.FF.W.0006.160614T2247Z-160615T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 547 PM CDT TUE JUN 14 2016 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN CERRO GORDO COUNTY IN NORTH CENTRAL IOWA... * UNTIL 1145 PM CDT * AT 546 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. ADDITIONAL RAINFALL OF UP TO 1 TO 2 INCHES IS POSSIBLE OVER THE NEXT 2 TO 3 HOURS. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... MASON CITY...NORA SPRINGS...ROCKWELL...ROCK FALLS...DOUGHERTY AND PORTLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4325 9302 4291 9303 4291 9323 4326 9307 $$ REV
2 follow-up statements
339 WGUS73 KDMX 150014 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 714 PM CDT TUE JUN 14 2016 IAC033-150445- /O.CON.KDMX.FF.W.0006.000000T0000Z-160615T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CERRO GORDO IA- 714 PM CDT TUE JUN 14 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR EASTERN CERRO GORDO COUNTY... AT 711 PM CDT...LOCAL LAW ENFORCEMENT REPORTED SOME WATER ISSUE NEAR 260TH AND 265TH AND YARROW AVE IN EASTERN CERRO GORDO COUNTY. SOME WATER WAS RUNNING OVER THE ROADS. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. THOUGH THE HEAVIER RAINS HAVE ENDED...RUNOFF FROM PREVIOUS RAINFALL MAY STILL CAUSE SOME FLASH FLOODING ACROSS THE WARNED AREA. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... MASON CITY...NORA SPRINGS...ROCKWELL...ROCK FALLS...DOUGHERTY AND PORTLAND. ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4325 9302 4291 9303 4291 9323 4326 9307 $$ REV
659 WGUS73 KDMX 150135 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 835 PM CDT TUE JUN 14 2016 IAC033-150142- /O.CAN.KDMX.FF.W.0006.000000T0000Z-160615T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CERRO GORDO IA- 835 PM CDT TUE JUN 14 2016 ...THE FLASH FLOOD WARNING FOR EASTERN CERRO GORDO COUNTY IS CANCELLED... THE HEAVY RAIN HAS ENDED. FLOOD WATERS HAVE RECEDED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. AT 745 PM CDT, CERRO GORDO SHERIFF DEPARTMENT REPORTED WATER FLOWING 260TH STREET BETWEEN THRUSH AVENUE AND ULMUS AVENUE. ROAD STILL IS BARRICADED. LAT...LON 4325 9302 4291 9303 4291 9323 4326 9307 $$ PODRAZIK
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 10:51 AM CDT | Flash Flood Watch | DMX | Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 5 more | 10 hr |
| Jun 14, 12:42 PM CDT | Special Weather Statement | DMX | Sac | 63 min |
| Jun 14, 1:01 PM CDT | Special Weather Statement | DMX | Worth | 59 min |
| Jun 14, 3:10 PM CDT | Special Weather Statement | DMX | Emmet, Palo Alto | 35 min |
| Jun 14, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 30 min |
| Jun 14, 3:20 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 40 min |
| Jun 14, 3:50 PM CDT | Special Weather Statement | DMX | Sac | 55 min |
| Jun 14, 6:05 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Webster | 40 min |
| Jun 14, 6:17 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.