Alert archive / Iowa / Flash Flood Warnings in 2000

Flash Flood Warning 6, NWS Quad Cities, IA

June 13, 2000Scott County, Iowa

NWS Quad Cities, IA issued this flash flood warning at Jun 13, 2000, 4:00 PM CDT for Scott County, Iowa. 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, 4:00 PM CDT (21:00 UTC)
Expired
Jun 13, 2000, 8:00 PM CDT
In force
4 hr
Issued by
NWS Quad Cities, IA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Scott County, IA

The radar

The Quad Cities radar (KDVN), 6 km from the middle of the area, began a volume at 21:03 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, 9.0 hours before the alert went out and 3 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-pSkew-T log-p diagram, Davenport, at 12:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 671 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 356 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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 132103
FFWDVN
IAC163-140100-

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

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SCOTT COUNTY IN EAST CENTRAL IOWA

* UNTIL 800 PM CDT

* AT 400 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAIN...FALLING...AT THE RATE OF 1 OR MORE
INCHES PER HOUR...MOVING ACROSS SCOTT COUNTY. THIS HEAVY RAIN...IN
ADDITION TO HEAVY RAIN FROM PREVIOUS STORMS...WILL LEAD TO LOCAL
FLOODING ESPECIALLY IN URBAN AREAS.

EXCESSIVE RUNOFF FROM THIS STORM 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 THROUGH FLOODED ROADS. ONLY A FEW INCHES OF WATER CAN
FLOAT A VEHICLE.

LAT...LON 4171 9035 4160 9037 4146 9076 4171 9077

JAZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:28 AM CDTFlash Flood WarningDVNClinton, Jackson4 hr
Jun 13, 1:00 PM CDTSevere Thunderstorm WarningDVNJohnson, Louisa, Washington45 min
Jun 13, 1:00 PM CDTSevere Thunderstorm WarningDVNMuscatine45 min
Jun 13, 1:04 PM CDTSevere Thunderstorm WarningDVNJohnson41 min
Jun 13, 2:22 PM CDTSevere Thunderstorm WarningDVNJefferson53 min
Jun 13, 2:46 PM CDTSevere Thunderstorm WarningDVNWashington44 min
Jun 13, 3:30 PM CDTSevere Thunderstorm WarningDVNLouisa45 min
Jun 13, 3:41 PM CDTSevere Thunderstorm WarningDVNMuscatine49 min
Jun 13, 3:44 PM CDTSevere Thunderstorm WarningDVNDes Moines46 min
Jun 13, 4:06 PM CDTSevere Thunderstorm WarningDVNScott39 min
Jun 13, 4:30 PM CDTSevere Thunderstorm WarningDVNClinton45 min

Nearby

Flash Flood Warnings in Iowa, 2000Every 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.