Alert archive / Missouri / Flash Flood Warnings in 2007

Flash Flood Warning 20, NWS St. Louis, MO

June 27, 2007Audrain County, Monroe County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 27, 2007, 7:42 PM CDT for Audrain County, Monroe County, Missouri. It took effect at Jun 27, 2007, 7:54 PM CDT. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 27, 2007, 7:42 PM CDT (00:42 UTC)
In effect from
Jun 27, 2007, 7:54 PM CDT
Expired
Jun 28, 2007, 1:45 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Audrain County, MO, Monroe County, MO

The radar

The St Louis radar (KLSX), 130 km from the middle of the area, began a volume at 00:42 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.

What was reported inside it

TimeReportWhereRemark
Jun 27, 10:00 PM CDTFLASH FLOOD8 Nw Mexico, MOHWY E AND C ARE UNDER WATER AND CLOSED TO TRAFFIC.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.7 hours before the alert went out and 279 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 2007-06-28Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2007-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1813 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
24 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 KLSX 280054
FFWLSX
MOC007-137-280645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
742 PM CDT WED JUN 27 2007

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  AUDRAIN COUNTY IN CENTRAL MISSOURI
  MONROE COUNTY IN NORTHEAST MISSOURI

* UNTIL 145 AM CDT THURSDAY

* AT 737 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A LARGE BAND OF RAIN EXTENDING EAST TO WEST ACROSS THE AREA.
THIS BAND OF RAINFALL HAS BECOME NEARLY STATIONARY EARLY THIS 
EVENING. RADAR ESTIMATES INDICATE 3 TO 4 INCHES OF RAIN HAS FALLEN 
NORTHWEST OF MEXICO WITH OVER 2 INCHES OF RAINFALL WEST THROUGH 
NORTH OF PARIS SINCE 500 PM THIS AFTERNOON.

THOUGH THE RAIN IS NOT EXTREMELY HEAVY AT THIS TIME IT WILL PERSIST 
FOR SEVERAL HOURS AND RAINFALL TOTALS IN SOME AREAS WILL EXCEED 4 
INCHES.  CONDITIONS ARE ALSO PRESENT FOR THE RAIN TO POSSIBLY 
CONTINUE THROUGH MUCH OF THE NIGHT. KEEP ABREAST OF LOCAL CONDITIONS 
AND LATEST FORECASTS AND WARNINGS FROM THE NATIONAL WEATHER SERVICE.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING WOODLAWN...VANDALIA...SANTA FE...PARIS...MONROE CITY...  
MADISON...GRANVILLE...MEXICO AND FARBER.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. SOME STREAMS AND RIVERS INCLUDE YOUNGS 
CREEK AND GOODWATER CREEK IN AUDRAIN COUNTY AND THE NORTH...MIDDLE 
AND ELKS FORK OF THE SALT RIVER AND THEIR TRIBUTARIES. 

LAT...LON 3908 9208 3908 9167 3920 9142 3931 9142
      3936 9172 3966 9173 3962 9228 3925 9232
      3925 9208

$$

PEDIGO
2 follow-up statements
000 
WGUS73 KLSX 280340
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1010 PM CDT WED JUN 27 2007

MOC007-137-280645-
AUDRAIN MO-MONROE MO-
1010 PM CDT WED JUN 27 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR
MONROE AND AUDRAIN COUNTIES...

AT 1005 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OVER THE WARNED AREA. ROUTES E AND C ABOUT 10 MILES 
NORTHWEST OF MEXICO ARE UNDER WATER. RADAR PRECIPITATION ESTIMATES
SHOW 1 TO 2.5 INCHES FELL OVER WESTERN PORTIONS OF BOTH COUNTIES 
WITH LOCAL AMOUNTS OF UP TO 4 INCHES NORTHWEST OF MEXICO AND NORTH
OF PARIS.  

THE RAIN HAS LET UP FOR NOW...BUT A NEW AREA OF MODERATE TO LOCALLY 
HEAVY RAIN IS DEVELOPING TO THE SOUTHWEST. RAIN WILL INCREASE 
THROUGH THE AREA AGAIN BETWEEN 1130PM AND MIDNIGHT. KEEP ABREAST OF 
LATEST INFORMATION AND FORECASTS FOR YOUR AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
WOODLAWN...SANTA FE...PARIS...MONROE CITY...MADISON...MEXICO AND 
GRANVILLE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. 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 3908 9208 3908 9167 3920 9142 3931 9142
      3936 9172 3966 9173 3962 9228 3925 9232
      3925 9208

$$

PEDIGO
000 
WGUS73 KLSX 280637
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
136 AM CDT THU JUN 28 2007

MOC007-137-280646-
AUDRAIN MO-MONROE MO-
136 AM CDT THU JUN 28 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 145 AM CDT FOR MONROE AND
AUDRAIN COUNTIES...

A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT FLOODING IS NO
LONGER A PROBLEM IN THE AREA.

AUDRAIN COUNTY DISPATCHER REPORTED THAT HIGHWAY C WAS UNDERWATER IN 
PLACES AROUND 1030 PM.

LAT...LON 3908 9208 3908 9167 3920 9142 3931 9142
      3936 9172 3966 9173 3962 9228 3925 9232
      3925 9208

$$

TPS

Nearby

Flash Flood Warnings in Missouri, 2007Every flash flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.