Alert archive / Illinois / Flash Flood Warnings in 2014

Flash Flood Warning 3, NWS Quad Cities, IA

June 18, 2014Bureau County, Illinois

NWS Quad Cities, IA issued this flash flood warning at Jun 18, 2014, 10:23 PM CDT for Bureau County, Illinois. 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 18, 2014, 10:23 PM CDT (03:23 UTC)
Expired: Jun 19, 2014, 4:15 AM CDT
In force: 6 hr
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: None

County Bureau County, IL

The radar

The Chicago radar (KLOT), 98 km from the middle of the area, began a volume at 03:25 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.

What was reported inside it

Time	Report	Where	Remark
Jun 18, 11:27 PM CDT	FLASH FLOOD	4 E La Moille, IL	MANY AREA ROADS BECOMING IMPASSABLE DUE TO WATER ON ROAD SURFACES AND IN LOW LYING LOCATIONS. WATER REPORTED EVERYWHERE. RAIN CONTINUES.

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 00:00Z, 3.4 hours before the alert went out and 105 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4337 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

135 
WGUS53 KDVN 190323
FFWDVN
ILC011-190915-
/O.NEW.KDVN.FF.W.0003.140619T0323Z-140619T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1023 PM CDT WED JUN 18 2014

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN BUREAU COUNTY IN NORTH CENTRAL ILLINOIS...

* UNTIL 415 AM CDT

* AT 1019 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
2 TO 4 INCHES OF RAIN HAS FALLEN OVER THE PAST 3 HOURS WITH ANOTHER 
INCH OR MORE POSSIBLE.  THESE AMOUNTS WILL ALLOW FOR LOCALIZED FLASH 
FLOODING FROM THE THUNDERSTORMS OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LA MOILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL OF 1 TO 2 INCHES IS POSSIBLE OVER THE NEXT 6 
HOURS.

&&

LAT...LON 4139 8917 4144 8934 4159 8942 4159 8941
      4159 8917 4158 8916 4139 8916

$$

NICHOLS

1 follow-up statement

669 
WGUS73 KDVN 190744
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
244 AM CDT THU JUN 19 2014

ILC011-190915-
/O.CON.KDVN.FF.W.0003.000000T0000Z-140619T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BUREAU IL-
244 AM CDT THU JUN 19 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 AM CDT FOR
NORTHEASTERN BUREAU COUNTY...

AT 243 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED HIGHWAY 34 
WAS CLOSED EAST OF LA MOILLE DUE TO FLASH FLOODING FROM 
THUNDERSTORMS AND HEAVY RAINFALL EARLIER TONIGHT. NATIONAL WEATHER 
SERVICE DOPPLER RADAR INDICATES RAINFALL AMOUNTS AS HIGH AS 4 TO 6 
INCHES HAS FALLEN OVER THE AREA IN THE PAST 6 HOURS. THUNDERSTORMS 
WITH HEAVY RAIN HAVE SHIFTED NORTH OF THE AREA...BUT ADDITIONAL 
THUNDERSTORMS WITH HEAVY RAINFALL ARE POSSIBLE THROUGH SUNRISE.  

LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO LA MOILLE 
AND ARLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.

FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS...
UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY.

&&

LAT...LON 4139 8917 4144 8934 4159 8942 4159 8941
      4159 8917 4158 8916 4139 8916

$$

SHEETS

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 11:46 PM CDT	Flash Flood Warning	DVN	Jo Daviess	6 hr
Jun 19, 1:56 AM CDT	Flash Flood Watch	DVN	Bureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside	19 hr
Jun 19, 3:10 AM CDT	Flash Flood Warning	DVN	Carroll, Jo Daviess, Whiteside	4 hr
Jun 19, 12:30 PM CDT	River Flood Warning	DVN	Jo Daviess	23 days
Jun 19, 12:30 PM CDT	River Flood Warning	DVN	Rock Island, Whiteside	25 days
Jun 19, 12:30 PM CDT	River Flood Warning	DVN	Rock Island	27 days
Jun 19, 12:30 PM CDT	River Flood Warning	DVN	Henderson, Mercer	30 days
Jun 19, 12:30 PM CDT	River Flood Warning	DVN	Henderson	31 days
Jun 19, 12:30 PM CDT	River Flood Warning	DVN	Hancock, Henderson	32 days
Jun 19, 4:16 PM CDT	Special Weather Statement	DVN	Henderson, Warren	59 min
Jun 19, 4:28 PM CDT	Special Weather Statement	DVN	Jo Daviess	62 min
Jun 19, 4:48 PM CDT	Flash Flood Warning	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	6 hr
Jun 19, 5:18 PM CDT	Special Weather Statement	DVN	Carroll, Stephenson	57 min
Jun 19, 5:45 PM CDT	Special Weather Statement	DVN	Whiteside	60 min

Nearby

Flash Flood Warnings in Illinois, 2014 Every 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.