Flash Flood Warning 11, NWS St. Louis, MO

Issued

May 25, 2004, 5:16 PM CDT (22:16 UTC)

Expired

May 25, 2004, 10:15 PM CDT

In force

5 hr

Issued by

NWS St. Louis, MO

Area

Counties, with a storm outline in the text

County Monroe County, IL

The St Louis radar (KLSX), 68 km from the middle of the area, began a volume at 22:18 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.

000 
WGUS53 KLSX 252222
FFWLSX
ILC133-260315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
516 PM CDT TUE MAY 25 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 1015 PM CDT

* AT 516 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER
OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN IN AND AROUND JEFFERSON 
COUNTY. PREVIOUS THUNDERSTORM ACTIVITY HAS DUMPED 1.50 TO 2.50 INCHES
OF RAIN ACROSS THE AREA. HEAVIEST RAINFALL HAS BEEN NEAR VALMEYER
AND ALONG THE MISSISSIPPI RIVER. 

A HEAVY BURST OF VERY HEAVY RAINFALL WILL MOVE EAST ACROSS THE 
AREA THROUGH 630 PM.  OCCASIONAL SHOWERS WILL CONTINUE THROUGH
THE EVENING.  

IN ADDITION NEW STORMS HAVE BEEN FORMING AROUND THE LAKE OF THE 
OZARKS. SHOULD THESE HOLD TOGETHER THEY WILL KEEP ADDITIONAL RAIN
FALLING ACROSS THE AREA THROUGH MUCH OF THE EVENING. 

THE COPIOUS NATURE OF THE DOWNPOURS MAY CREATE LOCAL FLASH FLOODING
...ESPECIALLY IN AND AROUND LOCAL ROADS AND LOW AREAS.

IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER 
GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD.

LAT...LON 3828 8993 3810 9001 3814 9026 3832 9039
          3848 9023

$$
PEDIGO

000 
WGUS73 KLSX 260019
FFSLSX
ILC133-260315-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
711 PM CDT TUE MAY 25 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MONROE COUNTY UNTIL
1015 PM CDT...

AT 711 PM CDT...SHOWERS AND THUNDERSTORMS CONTINUED TO STRADDLE
MONROE COUNTY AND EXTEND TO THE WEST TOWARD ROLLA MISSOURI. NATIONAL
WEATHER SERVICE DOPPLER RADAR ESTIMATES SHOW MAXIMUM RAINFALL OF
3 TO 4 INCHES FROM NEAR WATERLOO WEST TO THE MISSISSIPPI RIVER.
ADDITIONAL RAIN WILL CONTINUE THIS EVENING WITH EXTREMELY HEAVY
DOWNPOURS AT TIMES.  

ADDITIONAL RAINFALL AMOUNTS OF ONE HALF TO AS MUCH AS AN INCH AND
A HALF OF RAIN WILL BE POSSIBLE....PARTICULARLY IN THE SOUTH HALF
OF THE COUNTY.

EXPECT RAPID CHANGES IN THE LOCAL FLOODING SITUATION. THE GROUND
IS SATURATED SO ANY ADDITIONAL RAIN WILL BECOME RUNOFF.  

NIGHTTIME WILL COME ALONG SHORTLY.  AREAS THAT ARE STILL FLOODED
OR WILL QUICKLY FLOOD WITH THE NEW RAINFALL CAN BECOME INVISIBLE
AT NIGHT...SO BE EXTREMELY CAREFUL.  KEEP ABREAST OF LOCAL WEATHER
DEVELOPMENTS THROUGH THE EVENING.

$$
PEDIGO

000 
WGUS73 KLSX 260317
FFSLSX
ILC133-260345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1014 PM CDT TUE MAY 25 2004

...FLASH FLOOD WARNING FOR MONROE COUNTY HAS EXPIRED...

THE LATEST INFORMATION FROM THE MONROE COUNTY SHERIFF INDICATES 
THERE ARE NO LONGER ANY FLOODING PROBLEMS IN THE COUNTY AND HIGH 
WATER HAS RECEEDED.  THEREFORE THE FLASH FLOOD WARNING HAS BEEN 
ALLOWED TO EXPIRE.  

ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED DURING THE 
REMAINDER OF THE NIGHT.  SOME OF THESE MAY CONTAIN BRIEF HEAVY 
DOWNPOURS BUT FLOODING IS NOT ANTICIPATED AT THIS TIME.

$$
FG

Flash Flood Warnings in Illinois, 2004Every flash flood warning in 2004

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.