Alert archive / Iowa / Flash Flood Warnings in 2000

Flash Flood Warning 13, NWS Quad Cities, IA

June 25, 2000Jefferson County, Van Buren County, Iowa; Scotland County, Missouri

NWS Quad Cities, IA issued this flash flood warning at Jun 25, 2000, 9:19 PM CDT for Jefferson County, Van Buren County, Iowa; Scotland County, Missouri. It was in force for 3 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 25, 2000, 9:19 PM CDT (02:19 UTC)
Expired
Jun 26, 2000, 12:15 AM CDT
In force
3 hr
Issued by
NWS Quad Cities, IA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Jefferson County, IA, Van Buren County, IA, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 147 km from the middle of the area, began a volume at 02:18 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, 2.3 hours before the alert went out and 153 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 00:00Z on 2000-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 787 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 00:00Z on 2000-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 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
787 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
30 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.

000 
WGUS53 KDVN 260219
FFWDVN
IAC101-177-MOC199-260515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
919 PM CDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SCOTLAND COUNTY IN NORTHEAST MISSOURI
  JEFFERSON COUNTY IN SOUTHEAST IOWA
  VAN BUREN COUNTY IN SOUTHEAST IOWA

* UNTIL 1215 AM CDT

* AT 911 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN WERE AFFECTING THE WARNED AREA.
  DOPPLER RADAR ESTIMATES THAT UP TO 1 INCH OF RAIN HAS FALLEN IN WESTERN
  PORTIONS OF THESE COUNTIES IN THE LAST HOUR. ADDITIONAL HEAVY RAIN WILL
  CONTINUE FOR THE NEXT 1-2 HOURS...GIVEN THE POTENTIAL FOR RAINFALL TOTALS
  UP TO 2-3 INCHES.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING EXCESSIVE RAINFALL OVER
  PORTIONS OF THE WARNED AREA...LEADING TO THE LIKELIHOOD OF FLASH
  FLOODING...ESPECIALLY ACROSS WESTERN PORTIONS OF THESE COUNTIES WHICH
  RECEIVED THE HEAVIEST RAINS A FEW DAYS AGO.

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 YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CRO>SS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

LAT...LON 4103 9179 4064 9182 4033 9234 4106 9219

CROSBIE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 9:55 PM CDTFlash Flood WarningDVNHenry, Keokuk, Lee, Washington4 hr
Jun 25, 10:40 PM CDTFlash Flood WarningDVNDes Moines4 hr

Nearby

Flash Flood Warnings in Iowa, 2000Flash Flood Warnings in Missouri, 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.