Alert archive / Illinois / Flash Flood Warnings in 2000

Flash Flood Warning 5, NWS Quad Cities, IA

June 13, 2000Clinton County, Jackson County, Iowa; Carroll County, Jo Daviess County, Stephenson County, Illinois

NWS Quad Cities, IA issued this flash flood warning at Jun 13, 2000, 8:28 AM CDT for Clinton County, Jackson County, Iowa; Carroll County, Jo Daviess County, 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 13, 2000, 8:28 AM CDT (13:28 UTC)
Expired: Jun 13, 2000, 12:30 PM CDT
In force: 4 hr
Issued by: NWS Quad Cities, IA
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Clinton County, IA, Jackson County, IA, Carroll County, IL, Jo Daviess County, IL, Stephenson County, IL

The radar

The Quad Cities radar (KDVN), 87 km from the middle of the area, began a volume at 13:29 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 12:00Z, 1.5 hours before the alert went out and 82 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: 671 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 449 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 356 m²/s²
0-3 km storm-relative helicity: 366 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KDVN 131332
FFWDVN
IAC045-097-ILC015-085-177-131730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
828 AM CDT TUE JUN 13 2000

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLINTON COUNTY IN EAST CENTRAL IOWA
  JACKSON COUNTY IN EAST CENTRAL IOWA
  STEPHENSON COUNTY IN NORTHWEST ILLINOIS
  JO DAVIESS COUNTY IN NORTHWEST ILLINOIS
  CARROLL COUNTY IN NORTHWEST ILLINOIS

* UNTIL 1230 PM CDT

* AT 828 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAINFALL CONTINUES TO FALL OVER THE WARNED AREA WITH
  DOPPLER RADAR ESTIMATES THAT 1 TO 3 INCHES OF RAIN HAS FALLEN.

* THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL...
  ADDITIONAL HEAVY RAIN HAS RESULTED IN EXCESSIVE RUNOFF...LEADING
  THE LIKELIHOOD OF FLASH FLOODING IN THE WARNED AREA.

THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE OVER THE AREA
THROUGH MID MORNING...PRODUCING ANOTHER 1 TO 2 INCHES OF RAINFALL
LOCALLY.

EXCESSIVE RUNOFF WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING
AREAS ARE SUBJECT TO FLASH FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 4247 8950 4212 8966 4176 9077 4246 9053

REA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 1:00 PM CDT	Severe Thunderstorm Warning	DVN	Johnson, Louisa, Washington	45 min
Jun 13, 1:00 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	45 min
Jun 13, 1:04 PM CDT	Severe Thunderstorm Warning	DVN	Johnson	41 min
Jun 13, 2:22 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson	53 min
Jun 13, 2:46 PM CDT	Severe Thunderstorm Warning	DVN	Washington	44 min
Jun 13, 3:30 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	45 min
Jun 13, 3:41 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	49 min
Jun 13, 3:44 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines	46 min
Jun 13, 4:00 PM CDT	Flash Flood Warning	DVN	Scott	4 hr
Jun 13, 4:06 PM CDT	Severe Thunderstorm Warning	DVN	Scott	39 min
Jun 13, 4:30 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	45 min
Jun 13, 4:03 PM CDT	Severe Thunderstorm Warning	DVN	Mercer	42 min
Jun 13, 4:37 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Rock Island	53 min
Jun 13, 5:08 PM CDT	Severe Thunderstorm Warning	DVN	Stephenson	52 min
Jun 13, 5:11 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	49 min

Nearby

Flash Flood Warnings in Illinois, 2000 Flash Flood Warnings in Iowa, 2000 Every flash flood warning in 2000

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.