Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 12, NWS St. Louis, MO

May 14, 2003Iron County, Madison County, Missouri

NWS St. Louis, MO issued this flash flood warning at May 14, 2003, 11:57 PM CDT for Iron County, Madison 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 counties it named.

The facts

Issued
May 14, 2003, 11:57 PM CDT (04:57 UTC)
Expired
May 15, 2003, 5:00 AM CDT
In force
5 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Iron County, MO, Madison County, MO

The radar

The St Louis radar (KLSX), 135 km from the middle of the area, began a volume at 04:51 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

Springfield, MO (KSGF), launched 00:00Z, 5.0 hours before the alert went out and 298 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, Springfield, MO at 00:00Z on 2003-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2153 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 00:00Z on 2003-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939587897117Sfc1 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
2153 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 150513
FFWLSX
MOC093-123-151000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1157 PM CDT WED MAY 14 2003

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 500 AM CDT

* AT 1157 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM 20 MILES SOUTHEAST OF
SALEM MISSOURI EAST ACROSS IRON AND MADISON COUNTIEES TO A POINT 
ABOUT 15 MILES SOUTHEAST OF FREDERICKTOWN.

 THUNDERSTORMS ROLLED EAST ACROSS THE AREA ABOUT MID EVENING...
AND ANOTHER CLUSTER OF STORMS HAS REDEVELOPED OVER THE SAME AREA
SINCE ABOUT 1030 PM. LOCAL RAINFALL AMOUNTS OF OVER TWO INCHES
HAS ALREADY FALLEN AND AS ONE STORM FOLLOWS ANOTHER YOU CAN EXPECT
LOCAL RAINFALL AMOUNTS TO REACH AS MUCH AS 3 TO 4 INCHES.

EXPECT VERY SHARP RISES IN THE BIG CREEK...MARBLE CREEK...ST. 
FRANCOIS AND OTHER RIVER AND CREEK BASINS AND TRIBUTARIES...AS WELL 
AS LOW WATER BRIDGES AND OTHER FAVORABLE AREAS.  

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE   
AFFECTING THE COMMUNITIES OF ANNAPOLIS...SABULA...GLOVER...BEULAH...
MARQUAND...AND OTHER RURAL COMMUNITIES AND AREAS ACROSS SOUTHERN
IRON AND MADISON COUNTIES.

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

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLASH FLOODING IS OBSERVED. MOVE
TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.

$$
PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:24 PM CDTSevere Thunderstorm WarningLSXMarion, Pike, Ralls36 min
May 14, 8:06 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway39 min
May 14, 8:19 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds56 min
May 14, 8:46 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway44 min
May 14, 9:03 PM CDTSevere Thunderstorm WarningLSXMadison57 min
May 14, 9:16 PM CDTSevere Thunderstorm WarningLSXIron44 min
May 14, 9:22 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve23 min
May 14, 9:37 PM CDTSevere Thunderstorm WarningLSXReynolds23 min
May 14, 10:12 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve33 min

Nearby

Flash Flood Warnings in Missouri, 2003Every 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; radar from the NEXRAD Level II archive.