Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS St. Louis, MO

March 26, 2004Callaway County, Montgomery County, Missouri

NWS St. Louis, MO issued this flash flood warning at Mar 26, 2004, 8:19 AM CST for Callaway County, Montgomery 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 as issued.

The facts

Issued: Mar 26, 2004, 8:19 AM CST (14:19 UTC)
Expired: Mar 26, 2004, 12:15 PM CST
In force: 4 hr
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

Counties Callaway County, MO, Montgomery County, MO

The radar

The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 14:18 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.3 hours before the alert went out and 291 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 22 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 547 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 392 m²/s²
0-3 km storm-relative helicity: 431 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 261420
FFWLSX
MOC027-139-261815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
819 AM CST FRI MAR 26 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALLAWAY COUNTY IN CENTRAL MISSOURI
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 1215 PM CST

* AT 814 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDING FROM COLUMBIA
  THROUGH FULTON TO MONTGOMERY CITY. THE THUNDERSTORMS WERE MOVING
  EAST AROUND 25 MPH AND REPEATEDLY CROSSING THE SAME AREA. RAINFALL
  ESTIMATES IN THIS AREA ARE 2 TO 4 INCHES SINCE 530 AM. 

* FLASH FLOODING CAN BE EXPECTED ALONG THE I-70 CORRIDOR...INCLUDING
  THE CITIES OF KINGDOM CITY...FULTON...WILLIAMSBURG...MONTGOMERY
  CITY...AMERICUS AND HIGH HILL.

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

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE
ROADWAY. DO NOT DRIVE AROUND BARRICADES IF YOUR VEHICLE STALLS...
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.

LAT...LON 3918 9124 3874 9139 3864 9224 3912 9213
          3905 9162

$$
DUMMER/GLASS

1 follow-up statement

000 
WGUS73 KLSX 261607
FFSLSX
MOC027-139-261815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
959 AM CST FRI MAR 26 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR CALLAWAY AND
MONTGOMERY COUNTIES UNTIL 1215 CST...

AT 959 AM CST...FLOODING WAS REPORTED OVER PARTS OF CALLAWAY COUNTY. 
MAJOR FLOODING HAS BEEN REPORTED ON COUNTY ROAD 276. IN ADDITION 
WATER WAS COVERING THE NORTH OUTER ROAD OF I-70 WEST OF THE HATTON 
EXIT. FLOODING HAS ALSO BEEN REPORTED ON THE 7300 BLOCK OF STATE 
ROAD Z AND ON STATE ROAD C...AS WELL AS COUNTY ROADS 132 AND 228. IN 
COLWOOD OR 3 MILES EAST OF KINGDOM CITY 1 TO 2 FEET OF WATER IS 
STANDING ON THE ROADS. ON HIGHWAY 94 NEAR THE TOWN OF PORTLAND IS 
UNDER WATER.

RADAR AND SATELLITE INDICATE LIGHT TO MODERATE RAIN WILL CONTINUE 
THROUGHOUT THE MORNING.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS...
OR OTHER LOW LYING AREAS...AND NEVER DRIVE YOUR VEHICLE INTO AREAS
WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT
TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

$$
DUMMER/TRUETT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 26, 7:33 AM CST	Flash Flood Warning	LSX	Boone	4 hr
Mar 26, 9:19 AM CST	Flash Flood Warning	LSX	Saint Charles	4 hr
Mar 26, 11:38 AM CST	Flash Flood Warning	LSX	Boone, Callaway, Montgomery	4 hr

Nearby

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

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.