Flash Flood Warning 15, NWS St. Louis, MO

Issued

Aug 8, 1999, 1:10 AM CDT (06:10 UTC)

Expired

Aug 8, 1999, 6:00 AM CDT

In force

5 hr

Issued by

NWS St. Louis, MO

Area

Whole counties

Counties Crawford County, MO, Washington County, MO

The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 06:13 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.

000 
TTAA00 KSTL 080610
FFWSTL
MOC055-221-081100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
110 AM CDT SUN AUG 8 1999

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAWFORD COUNTY IN CENTRAL MISSOURI
  WASHINGTON COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 600 AM CDT

* THUNDERSTORMS WITH HEAVY RAIN HAVE BEEN ANCHORED OVER CRAWFORD AND
  WASHINGTON COUNTIES SINCE SATURDAY EVENING.  RADAR INDICATES 3 TO
  4 INCHES OF RAIN MAY HAVE ALREADY FALLEN...AND ANOTHER 1 TO 2
  INCHES OF RAIN IS EXPECTED BETWEEN NOW AND 3 AM AS ADDITIONAL
  THUNDERSTORMS ROLL THROUGH THE AREA.  THE CRAWFORD COUNTY SHERIFFS
  DEPARTMENT IS ALREADY REPORTING NUMEROUS SMALL CREEKS AND STREAMS
  ARE OUT OF THEIR BANKS.

* MOTORISTS SHOULD BE CERTAIN TO AVOID LOW WATER CROSSINGS...THEY
  ARE DEATH TRAPS DURING TIMES OF HEAVY RAIN!!

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

  TRUETT/RP


&

NWS St. Louis, MO wrote its last area forecast discussion before this flash flood warning went out at Aug 7, 1:45 PM CDT, 11 hours 25 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
145 PM CDT SAT AUG 7 1999

SATL LOOP SHOWS TOPS HV BEEN COOLG SINCE ABT 17Z ACRS E CNTRL MO WITH
SUM MUCH NEEDED RN ACRS RGN.  MCS CONTS TO ROLL ESEWD WITH HVIEST PCPN
JST SE OF METRO AREA.  SANGSTER CHART FM LT MRNG SHOWED FAIRLY DECENT
LOW LVL INFLOW WITH 25 KTS FM SW INTO NE MO.  ADAP WOOD SUGGST LN OF
TRW WILL CONT TO ROLL ACRS SRN PTN OF AREA THIS AFTN WITH FAIRLY DECENT
MSTR CNVGC ACRS NW MO/NE KS AHD OF FNT.  MCS TOOK THE STARCH OUT ACRS
MUCH OF N AND CNTRL MO SO MAY BE AWHILE BFR DVLPMNT OCCURS.

WILL FOLLOW TREND OF ETA LOW LVL MSTR CNVGC OVRNGT AS WELL REMEMBER BIG
BUST WITH CD FNT IN LT JULY.  AT MIDN, ETA FCSTS DECENT LOW LVL MSTR
CNVGC ACRS SRN THIRD OF MO WHILE NGM FCSTS TREEMENDUS MSTR CNVGC FM
CNTRL IL ACRS NRN OZARKS.  ETA WAS RIGHT IN JULY.

.STL...NONE

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

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.