Alert archive / Missouri / Flash Flood Warnings in 2000
Flash Flood Warning 21, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jul 11, 2000, 1:44 AM CDT for Van Buren County, Iowa; Clark County, Scotland County, Missouri. 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 11, 2000, 1:44 AM CDT (06:44 UTC)
- Expired
- Jul 11, 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 Van Buren County, IA, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 164 km from the middle of the area, began a volume at 06:43 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, 6.7 hours before the alert went out and 170 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
- 4807 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 847 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 3.6
- Supercell composite
- 17.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDVN 110644 FFWDVN IAC177-MOC045-199-111100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 144 AM CDT TUE JUL 11 2000 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... SCOTLAND COUNTY IN NORTHEAST MISSOURI CLARK COUNTY IN NORTHEAST MISSOURI VAN BUREN COUNTY IN SOUTHEAST IOWA * UNTIL 6 AM CDT * AT 139 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE LOCATED OVER MUCH OF THE WARNED AREA. * THUNDERSTORMS WERE CONTINUOUSLY REDEVELOPING AND MOVING OVER THE WARNED AREA...LEADING TO VERY HIGH RAINFALL RATES OF 1 TO 2 INCHES PER HOUR...AND THE LIKELIHOOD OF FLASH FLOODING. DOPPLER RADAR RAINFALL ESTIMATES THAT UP TO 3 INCHES OF RAIN HAS FALLEN OVER NORTHERN SCOTLAND AND CLARK COUNTIES...AND AROUND 2 INCHES OF RAIN HAS FALLEN OVER PORTIONS OF SOUTHERN VAN BUREN COUNTY. ADDITONAL HEAVY RAIN IN THE NEXT FEW HOURS...WILL PUSH RAINFALL TOTALS IN SOME LOCALIZED AREAS TO BETWEEN 4 AND 5 INCHES. 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. LAT...LON 4069 9173 4031 9172 4031 9222 4069 9223 CROSBIE
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:59 AM CDT | Flash Flood Warning | DVN | Clark, Scotland | 2 hr |
Nearby
Flash Flood Warnings in Missouri, 2000Flash 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.