Alert archive / Missouri / Flash Flood Warnings in 1999

Flash Flood Warning 5, NWS St. Louis, MO

April 14, 1999Reynolds County, Missouri

NWS St. Louis, MO issued this flash flood warning at Apr 14, 1999, 6:51 PM CDT for Reynolds County, Missouri. It was in force for 6 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
Apr 14, 1999, 6:51 PM CDT (23:51 UTC)
Expired
Apr 15, 1999, 1:00 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 23:52 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

Little Rock, AR (KLZK), launched 12:00Z, 11.9 hours before the alert went out and 296 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, Little Rock, AR at 12:00Z on 1999-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 12:00Z on 1999-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 356 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1658 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
356 m²/s²
0-3 km storm-relative helicity
501 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 142353
FFWSTL
MOC179-150600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
651 PM CDT WED APR 14 1999

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  REYNOLDS COUNTY IN SOUTHEASTERN MISSOURI

* UNTIL 100 AM CDT

* MORE SHOWERS WERE MOVING BACK INTO REYNOLDS COUNTY THIS EVENING.
  HEAVY RAIN FELL ACROSS REYNOLDS COUNTY THIS MORNING...AND MORE
  HEAVY RAIN WILL AGGRAVATE A SERIOUS SITUATION OVERNIGHT.

* THE SHERIFF'S DEPARTMENT REPORTED SEVERAL COUNTY ROADS WERE
  FLOODED ALONG WITH LOW WATER CROSSINGS.

  BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
  DANGERS OF FLOODING. IT IS VERY DIFFICUL^T AT NIGHT TO TELL HOW
  DEEP THE WATER MAY BE. MOTORISTS SHOULD NEVER DRIVE THROUGH WATER
  OF UNKNOWN DEPTH.

  TPS

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 14, 1:05 PM CDT, 5 hours 46 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-052-085-027-047-
051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095-
064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074-
MOZ065-150100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
105 PM CDT WED APR 14 1999

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE
IN ST. LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND
EAST CENTRAL MISSOURI...AND SOUTHWEST ILLINOIS.

RAIN AND A FEW THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF THE AREA
THIS AFTERNOON AND TONIGHT.  NONE OF THESE THUNDERSTORMS ARE
EXPECTED TO BE SEVERE...AND SKYWARN ACTIVATION IS NOT ANTICIPATED
FOR SEVERE THUNDERSTORMS.

HOWEVER...THERE IS A VERY GOOD CHANCE OF HEAVY RAIN ACROSS MUCH OF
CENTRAL...EAST CENTRAL...AND SOUTHEAST MISSOURI....AND ADJACENT
AREAS OF SOUTHWEST ILLINOIS...AND A FLASH FLOOD WATCH IS IN EFFECT
THIS AFTERNOON THROUGH TONIGHT.

DUE TO THIS THREAT...EMERGENCY MANAGERS ARE URGED TO CAREFULLY
MONITOR WATER LEVELS IN FLOOD PRONE LOCATIONS OF THEIR AREA OF
RESPONSIBILITY
...AND BE PREPARED TO ACTIVATE FLOOD SAFETY PLANS SHOULD IT BECOME
NECESSARY.

TRUETT
Special weather statement, Apr 14, 1:05 PM CDT, 5 hours 46 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-052-085-027-047-
051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095-
064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074-
MOZ065-150100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
105 PM CDT WED APR 14 1999

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE
IN ST. LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND
EAST CENTRAL MISSOURI...AND SOUTHWEST ILLINOIS.

RAIN AND A FEW THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF THE AREA
THIS AFTERNOON AND TONIGHT.  NONE OF THESE THUNDERSTORMS ARE
EXPECTED TO BE SEVERE...AND SKYWARN ACTIVATION IS NOT ANTICIPATED
FOR SEVERE THUNDERSTORMS.

HOWEVER...THERE IS A VERY GOOD CHANCE OF HEAVY RAIN ACROSS MUCH OF
CENTRAL...EAST CENTRAL...AND SOUTHEAST MISSOURI....AND ADJACENT
AREAS OF SOUTHWEST ILLINOIS...AND A FLASH FLOOD WATCH IS IN EFFECT
THIS AFTERNOON THROUGH TONIGHT.

DUE TO THIS THREAT...EMERGENCY MANAGERS ARE URGED TO CAREFULLY
MONITOR WATER LEVELS IN FLOOD PRONE LOCATIONS OF THEIR AREA OF
RESPONSIBILITY
...AND BE PREPARED TO ACTIVATE FLOOD SAFETY PLANS SHOULD IT BECOME
NECESSARY.

TRUETT

Nearby

Flash Flood Warnings in Missouri, 1999Every flash flood warning in 1999

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.