Alert archive / Missouri / Flash Flood Warnings in 1995

Flash Flood Warning 4, NWS St. Louis, MO

May 16, 1995Saint Charles County, Saint Louis County, City of Saint Louis, Missouri; Madison County, Illinois

NWS St. Louis, MO issued this flash flood warning at May 16, 1995, 5:59 AM CDT for Saint Charles County, Saint Louis County, City of Saint Louis, Missouri; Madison County, Illinois. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 16, 1995, 5:59 AM CDT (10:59 UTC)
Expired: May 16, 1995, 12:00 PM CDT
In force: 6 hr
Issued by: NWS St. Louis, MO
Area: Whole counties

Counties Madison County, IL, City of Saint Louis, MO, Saint Charles County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 33 km from the middle of the area, began a volume at 11:02 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, 11.0 hours before the alert went out and 216 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3055 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 144 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 161102
FFWSTL
ILC119-MOC027-139-113-183-189-219-510-161700-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
559 AM CDT TUE MAY 16 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL NOON CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ILLINOIS
 
   ...MADISON COUNTY
 
 
IN CENTRAL MISSOURI
 
   ...CALLAWAY COUNTY...MONTGOMERY COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...LINCOLN COUNTY...ST CHARLES COUNTY...ST LOUIS COUNTY
   ...WARREN COUNTY
 
  AND THE INDEPENDENT CITY OF
 
   ...ST LOUIS CITY
 
AT 600 AM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
THUNDERSTORMS TRAILING FROM EDWARDSVILLE ILLINOIS WESTWARD FOR 75 MILES
TO HERMANN MISSOURI. THESE STORMS ARE MOVING TO THE EAST..TRAILING ONE
ANOTHER. VERY HEAVY RAINFALL HAS ALREADY OCCURRED WITH UP TO TWO INCH
AMOUNTS. ADDITIONAL HEAVY RAINS ARE LIKELY FOR THE NEXT ONE TO TWO
HOURS WITH LIGHTER RAIN CONTINUING THROUGH THE MORNING HOURS.
 
FLASH FLOODING IS THE LEADING WEATHER RELATED KILLER ACROSS THE
UNITED STATES. NEVER UNDERESTIMATE THE POWER OF FLOWING WATER.
MOVE TO HIGHER GROUND IMMEDIATELY WHEN FLOODING THREATENS. YOUR
LIFE MAY DEPEND ON IT.
 
PEDIGO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 4:37 AM CDT	Severe Thunderstorm Warning	LSX	Lewis, Marion	53 min
May 16, 5:16 AM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles	59 min
May 16, 5:24 AM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	51 min
May 16, 5:59 AM CDT	Flash Flood Warning	LSX	Callaway, Lincoln, Montgomery, Warren	6 hr
May 16, 8:04 AM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	26 min
May 16, 8:14 AM CDT	Severe Thunderstorm Warning	LSX	Perry	46 min
May 16, 5:57 PM CDT	Severe Thunderstorm Warning	LSX	Knox, Shelby	63 min
May 16, 4:25 AM CDT	Severe Thunderstorm Warning	LSX	Clinton, Marion	50 min
May 16, 6:21 AM CDT	Severe Thunderstorm Warning	LSX	Saint Clair	112 min
May 16, 6:38 AM CDT	Tornado Warning	LSX	Clinton, Saint Clair	67 min
May 16, 7:48 AM CDT	Severe Thunderstorm Warning	LSX	Randolph	42 min
May 16, 6:20 PM CDT	Tornado Warning	LSX	Adams	25 min

Nearby

Flash Flood Warnings in Missouri, 1995 Flash Flood Warnings in Illinois, 1995 Every flash flood warning in 1995

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.