Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 37, NWS St. Louis, MO

August 1, 2003Iron County, Madison County, Reynolds County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 1, 2003, 8:10 PM CDT for Iron County, Madison County, Reynolds County, Missouri. It was in force for 5 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: Aug 1, 2003, 8:10 PM CDT (01:10 UTC)
Expired: Aug 2, 2003, 1:15 AM CDT
In force: 5 hr
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

Counties Iron County, MO, Madison County, MO, Reynolds County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.2 hours before the alert went out and 285 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: 483 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1986 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 020123
FFWLSX
MOC093-123-179-020615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
810 PM CDT FRI AUG 1 2003

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  IRON COUNTY IN SOUTHEAST MISSOURI
  MADISON COUNTY IN SOUTHEAST MISSOURI
  REYNOLDS COUNTY IN SOUTHEAST MISSOURI

* UNTIL 115 AM CDT

* AT 810 PM CDT...A CLUSTER OF SHOWERS AND THUNDERSTORM HAS REMAINED
MORE OR LESS STATIONARY ACROSS SOUTHEAST MISSOURI FROM ROUND SPRING
STATE PARK EAST TO JUST SOUTH OF FREDERICKTOWN.  NATIONAL WEATHER
SERVICE DOPPLER PRECIPITATION ESTIMATES INDICATE 2 TO 4 INCHES OF 
RAIN HAS ALREADY FALLEN OVER THE AREA AND WITH NEW DEVELOPMENT TAKING
PLACE RAINFALL AMOUNTS COULD EXCEED 4 TO 6 INCHES IN SOME AREAS 
BEFORE THE RAIN ENDS.

IN MADISON COUNTY UP TO FOUR INCHES OF RAIN HAS FALLEN NEAR THE 
ST. FRANCOIS RIVER IN SOUTHWEST PORTIONS OF THE COUNTY.

IN IRON COUNTY...2 TO 4 INCHES OF RAIN HAS FALLEN IN THE SOUTHERN 
HALF OF THE COUNTY...ESPECIALLY IN AND AROUND ANNAPOLIS. 

IN REYNOLDS COUNTY THE EAST CENTRAL PORTIONS OF THE COUNTY SOUTH OF
LESTERVILLE HAS RECEIVED THE MOST RAIN. 

HEAVY RAIN WILL CONTINUE THIS EVEING IN A LARGE PORTION OF THIS 
AREA. RICHLAND CREEK....SULPHER CREEK...THE BLACK RIVER...SUTTON 
BRANCH...THE ST. FRANCOIS RIVER...AND OTHER CREEKS...TRIBUTARIES...
AND FLOOD PRONE AREAS WILL BE VULNERABLE TO SERIOUS FLASH FLOODING
TONGIHT. 

CAMPERS SHOULD BE PARTICULARLY AWARE OF THEIR SURROUNDINGS. IF YOU 
ARE IN A LOW AREA YOU WILL BE VULNERABLE TO FLASH FLOODING DURING 
THE NIGHT.  DO NOT GO TO BED IF YOU ARE UNSURE. ASK LOCAL 
AUTHORITIES FOR ASSISTANCE. THEY WILL BE MORE KNOWLEDGABLE ABOUT THE 
AREA. IF THERE IS NO ONE TO CONTACT...SEEK HIGHER GROUND TO BE SAFE

LAT...LON 3762 9017 3733 9016 3715 9109 3743 9121
          3774 9119

$$
PEDIGO

1 follow-up statement

000 
WGUS73 KLSX 020346
FFSLSX
MOC093-123-179-020545-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1045 PM CDT FRI AUG 1 2003

...FLASH FLOOD WARNING FOR REYNOLDS...MADISON AND IRON COUNTIES HAS
BEEN CANCELLED...

WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH
PROMPTED THE FLASH FLOOD WARNING HAVE MOVED OUT OF THE AREA.

AT 1040 PM RADAR INDICATED THE PRECIPITATION HAD MOVED EAST OF A 
MINE LA MOTTE...FREDERICKTOWN...BUCKHORN LINE IN EASTERN MADISON 
COUNTY. LITTLE OR NO ADDITIONAL PRECIPITATION IS EXPECTED OVER THE 
REGION FOR THE NEXT SEVERAL HOURS.

ALTHOUGH THE HEAVY RAINS HAVE SUBSIDED...MOTORISTS SHOULD CONTINUE TO
USE CAUTION WHILE DRIVING THROUGH AREAS THAT HAVE EXPERIENCED
FLOODING. ROADS AND BRIDGES MAY HAVE BEEN DAMAGED BY RAPIDLY FLOWING
FLOOD WATERS.

IN ADDITION...CHILDREN SHOULD NOT BE ALLOWED TO PLAY NEAR
RAIN-SWOLLEN STREAMS OR DRAINAGE DITCHES.

$$

BECHTOLD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 7:21 PM CDT	Severe Thunderstorm Warning	LSX	Iron	39 min
Aug 2, 5:48 AM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	27 min
Aug 2, 6:30 PM CDT	Severe Thunderstorm Warning	LSX	Washington	45 min

Nearby

Flash Flood Warnings in Missouri, 2003 Every flash flood warning in 2003

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.