Alert archive / Iowa / Flash Flood Warnings in 2000
Flash Flood Warning 17, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jul 10, 2000, 1:53 AM CDT for Buchanan County, Delaware County, Dubuque 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
- Jul 10, 2000, 1:53 AM CDT (06:53 UTC)
- Expired
- Jul 10, 2000, 6:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Buchanan County, IA, Delaware County, IA, Dubuque County, IA
The radar
The Quad Cities radar (KDVN), 132 km from the middle of the area, began a volume at 06:55 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, 6.9 hours before the alert went out and 135 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.
- Mixed-layer CAPE
- 2939 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDVN 100656 FFWDVN IAC019-055-061-101100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 153 AM CDT MON JUL 10 2000 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... DUBUQUE COUNTY IN NORTHEAST IOWA DELAWARE COUNTY IN NORTHEAST IOWA BUCHANAN COUNTY IN NORTHEAST IOWA * UNTIL 600 AM CDT * AT 153 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE MOVING ACROSS BUCHANAN COUNTY...AND WILL EFFECT DELAWARE AND DUBUQUE COUNTIES WITHIN THE NEXT HOUR. RAINFALL TOTALS FROM 2 TO 3 INCHES WILL BE POSSIBLE IN PORTIONS OF THE WARNED AREA IN THE NEXT 1 TO 2 HOURS. * THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL... ADDITIONAL HEAVY RAINFALL FROM THESE STORMS WILL RESULT IN EXCESSIVE RUNOFF...LEADING TO THE LIKELIHOOD OF FLASH FLOODING IN THE WARNED AREA. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA BE AWARE OF FLOOD PRONE AREAS. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. LAT...LON 4274 9184 4239 9248 4232 9076 4262 9074 CROSBIE
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 1:34 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 56 min |
| Jul 10, 2:15 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 60 min |
| Jul 10, 2:35 AM CDT | Flash Flood Warning | DVN | Benton, Linn | 4 hr |
| Jul 10, 3:59 AM CDT | Flash Flood Warning | DVN | Jones | 3 hr |
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.