Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 17, NWS St. Louis, MO

June 29, 1997Pike County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 29, 1997, 4:29 PM CDT for Pike County, Missouri. It was in force for 3 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
Jun 29, 1997, 4:29 PM CDT (21:29 UTC)
Expired
Jun 29, 1997, 7:30 PM CDT
In force
3 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

County Pike County, MO

The radar

The St Louis radar (KLSX), 83 km from the middle of the area, began a volume at 21:32 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, 9.5 hours before the alert went out and 237 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 12:00Z on 1997-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 331 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1997-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
331 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 292130
FFWSTL
MOC163-300030-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
429 PM CDT SUN JUN 29 1997
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...PIKE COUNTY
 
THUNDERSTORMS THIS AFTERNOON HAVE DUMPED 2 TO 3 INCHES ON RAIN IN
EASTERN PIKE COUNTY SINCE 2PM. MOST OF THE RAIN FELL BETWEEN BOWLING
GREEN AND LOUISIANA.
 
THE PIKE COUNTY SHERIFF REPORTED FLOODING PROBLEMS ALONG HIGHWAY 79.
 
IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO
HIGHER GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE
ROAD...ESPhECIALLY LOW-WATER BRIDGES.
 
AMS
 
&

Nearby

Flash Flood Warnings in Missouri, 1997Every flash flood warning in 1997

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.