Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 26, NWS St. Louis, MO

June 26, 2003Pike County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 26, 2003, 2:14 AM CDT for Pike 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
Jun 26, 2003, 2:14 AM CDT (07:14 UTC)
Expired
Jun 26, 2003, 6:15 AM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

County Pike County, MO

The radar

The St Louis radar (KLSX), 75 km from the middle of the area, began a volume at 07:17 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 00:00Z, 7.2 hours before the alert went out and 235 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, Lincoln, IL at 00:00Z on 2003-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 843 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2003-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939Sfc1 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
843 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1649 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
135 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 260716
FFWLSX
MOC163-261115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
214 AM CDT THU JUN 26 2003

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PIKE COUNTY IN NORTHEAST MISSOURI

* UNTIL 615 AM CDT

* ALTHOUGH THE HEAVY RAIN OVER PIKE COUNTY MISSOURI HAS 
SUBSIDED...SOME RESIDUAL FLOODING CONTINUES FROM THE DOWNPOURS OF 
LATE WEDNESDAY EVENING.  AT 210 AM...THE PIKE COUNTY SHERIFFS OFFICE 
REPORTED THAT 5 COUNTY ROADS...AND ONE COUNTY BLACKTOP...REMAINED  
CLOSED DUE TO HIGH WATER.

* FOR THE REST OF THE PREDAWN HOURS...FLOODING WILL BE POSSIBLE 
ALONG SMALL STREAMS AND LOW LYING AREAS.

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.

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.

LAT...LON 3922 9065 3922 9118 3915 9119 3914 9142
          3947 9147 3960 9122

$$
TRUETT
1 follow-up statement
000 
WGUS73 KLSX 261116
FFSLSX
MOC163-261130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
615 AM CDT THU JUN 26 2003

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

WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS AND 
HEAVY RAIN WHICH PROMPTED THE FLASH FLOOD WARNING HAVE ENDED...AND 
NO ADDITIONAL RAIN IS EXPECTED.  A CHECK WITH THE PIKE COUNTY 
SHERIFFS DEPARTMENT INDICATED THAT NO ADDITIONAL FLOODING HAD BEEN 
REPORTED SINCE AROUND 2 AM.

ALTHOUGH THE HEAVY RAINS HAVE LEFT...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.

$$

TES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:18 PM CDTFlash Flood WarningLSXAudrain, Pike, Ralls6 hr
Jun 25, 8:35 PM CDTFlash Flood WarningLSXLincoln6 hr
Jun 25, 9:18 PM CDTFlash Flood WarningLSXBoone6 hr
Jun 25, 10:04 PM CDTFlash Flood WarningLSXCallaway, Montgomery6 hr
Jun 25, 10:25 PM CDTFlash Flood WarningLSXSaint Charles, Saint Louis, City of Saint Louis6 hr
Jun 25, 11:05 PM CDTFlash Flood WarningLSXFranklin, Gasconade, Warren6 hr
Jun 26, 1:13 AM CDTFlash Flood WarningLSXJefferson6 hr
Jun 26, 2:29 AM CDTFlash Flood WarningLSXLincoln4 hr
Jun 26, 4:14 AM CDTFlash Flood WarningLSXSaint Charles, Saint Louis, City of Saint Louis3 hr

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.