Alert archive / Iowa / Flash Flood Warnings in 1995

Flash Flood Warning 1, NWS Quad Cities, IA

April 9, 1995Clinton County, Jackson County, Jones County, Iowa

NWS Quad Cities, IA issued this flash flood warning at Apr 9, 1995, 3:02 AM CDT for Clinton County, Jackson County, Jones County, Iowa. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 9, 1995, 3:02 AM CDT (08:02 UTC)
Expired
Apr 9, 1995, 6:00 AM CDT
In force
3 hr
Issued by
NWS Quad Cities, IA
Area
Whole counties

Counties Clinton County, IA, Jackson County, IA, Jones County, IA

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 8.0 hours before the alert went out and 53 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 1995-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 1995-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
295 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMLI 090803
FFWMLI
IAC045-097-105-091100-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
302 AM CDT SUN APR 9 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL IOWA
 
   ...NORTHWESTERN CLINTON COUNTY...SOUTHWESTERN JACKSON COUNTY
   ...SOUTHEASTERN JONES COUNTY
 
AT 300 AM CDT...WEATHER SERVICE RADAR INDICATED THAT OVER 2 INCHES OF
RAIN HAD FALLEN SINCE 200 AM CDT IN THE WARNING AREA. THIS AREA WAS
INSIDE OF A LINE FROM OLIN TO WYOMING TO LOST NATION. EXPECT FLOODING
IN LOW-LYING AREAS...SMALL STREAMS...AND DITCHES...AND AREAS THAT
TYPICALLY ARE FLOODED WHEN HEAVY RAIN FALLS. RURAL ROADS COULD ALSO
BE WASHED OUT. EXPECT ADDITIONAL RAIN FALL UP TO 1/2 INCH BEFORE IT ENDS
BY 430 AM.
 
DON'T DRIVE ACROSS FLOODED ROADS!  MOST FLASH FLOOD DEATHS OCCUR
IN VEHICLES.
 
HELGESON:

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 12:21 AM CDTSevere Thunderstorm WarningDVNClinton69 min
Apr 9, 12:21 AM CDTSevere Thunderstorm WarningDVNScott69 min

Nearby

Flash Flood Warnings in Iowa, 1995Every flash flood warning in 1995

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.