Alert archive / Illinois / Flash Flood Warnings in 2016
Flash Flood Warning 6, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 14, 2016, 11:54 PM CDT for Stephenson County, Illinois. It was in force for 4 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
- Jun 14, 2016, 11:54 PM CDT (04:54 UTC)
- Expired
- Jun 15, 2016, 3:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Stephenson County, IL
The radar
The Milwaukee radar (KMKX), 108 km from the middle of the area, began a volume at 04:55 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
Davenport, (KDVN), launched 00:00Z, 4.9 hours before the alert went out and 112 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
- 2459 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 11.2
The text
As transmitted.
054
WGUS53 KDVN 150454
FFWDVN
ILC177-150845-
/O.NEW.KDVN.FF.W.0006.160615T0454Z-160615T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1154 PM CDT TUE JUN 14 2016
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
STEPHENSON COUNTY IN NORTHWESTERN ILLINOIS...
* UNTIL 345 AM CDT
* AT 1150 PM CDT...DOPPLER RADAR WAS INDICATING THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF
RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY OR IS ALREADY OCCURRING. ADDITIONAL SHOWERS AND
THUNDERSTORMS WILL MOVE ACROSS THE AREA FROM THE WEST THROUGH 2 AM
CDT AND MAY PRODUCE UP TO ANOTHER HALF INCH OF RAIN...WHICH MAY
ADD TO THE FLOODING TROUBLE.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FREEPORT...LENA...PEARL CITY...CEDARVILLE...DAVIS...DAKOTA...
GERMAN VALLEY...WINSLOW...ROCK CITY...RIDOTT...BUENA VISTA...
LORAN...ROCK GROVE...ONECO...ORANGEVILLE...KENT...RED OAK...
SCIOTO MILLS...STEPHENSON COUNTY FAIRGROUNDS AND ALBERTUS AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4250 8940 4220 8940 4220 8992 4251 8992
$$2 follow-up statements
908 WGUS73 KDVN 150659 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 159 AM CDT WED JUN 15 2016 ILC177-150845- /O.CON.KDVN.FF.W.0006.000000T0000Z-160615T0845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ STEPHENSON IL- 159 AM CDT WED JUN 15 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 AM CDT FOR STEPHENSON COUNTY... AT 151 AM CDT...DOPPLER RADAR WAS INDICATING JUST LIGHT RAIN ACROSS THE WARNING AREA. BUT RUN OFF FROM EARLIER VERY HEAVY RAINFALL OF OVER 3 INCHES IN SOME LOCATIONS...WILL CONTINUE TO PRODUCE FLOODING AND RISES ON AREA STREAMS THROUGH AT LEAST 345 AM CDT. EARLIER JUST BEFORE MIDNIGHT...EMERGENCY MANAGEMENT REPORTED 6 INCHES OF WATER OVER HIGHWAY 20 NEAR LENA. SINCE THEN...SUBSTANTIAL PONDING OF WATER WAS ALSO REPORTED IN THE STREETS OF BOTH PEARL CITY AND FREEPORT. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... FREEPORT...LENA...PEARL CITY...CEDARVILLE...DAVIS...DAKOTA... GERMAN VALLEY...WINSLOW...ROCK CITY...RIDOTT... OAKDALE NATURE PRESERVE...ALBERTUS AIRPORT... LAKE LEAQUANA STATE PARK...ELEROY...WADDAMS GROVE...KENT...BOLTON... LORAN...ORANGEVILLE...ONECO...BUENA VISTA...RED OAK...SCIOTO MILLS... DAMASCUS...WINNESHIEK...DAKOTA DORNINK AIRPORT...AFOLKEY... MC CONNELL...ROCK GROVE AND RIDOTT CORNERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. && LAT...LON 4250 8940 4220 8940 4220 8992 4251 8992 $$ 12
542 WGUS73 KDVN 150842 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 342 AM CDT WED JUN 15 2016 ILC177-150849- /O.EXP.KDVN.FF.W.0006.000000T0000Z-160615T0845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ STEPHENSON IL- 342 AM CDT WED JUN 15 2016 ...THE FLASH FLOOD WARNING FOR STEPHENSON COUNTY WILL EXPIRE AT 345 AM CDT... THE HEAVY RAIN HAS MOVED OUT OF THE WARNING AREA AND FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 4250 8940 4220 8940 4220 8992 4251 8992 $$ 12
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:24 PM CDT | Flash Flood Warning | DVN | Jo Daviess | 6 hr |
| Jun 14, 9:47 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Stephenson | 58 min |
| Jun 14, 11:20 PM CDT | Special Weather Statement | DVN | Stephenson | 40 min |
| Jun 15, 1:43 AM CDT | Flash Flood Warning | DVN | Bureau | 4 hr |
Nearby
Flash Flood Warnings in Illinois, 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.