Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 26, NWS St. Louis, MO

May 7, 1996Pike County, Missouri

NWS St. Louis, MO issued this flash flood warning at May 7, 1996, 1:20 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 counties it named.

The facts

Issued
May 7, 1996, 1:20 AM CDT (06:20 UTC)
Expired
May 7, 1996, 5:15 AM CDT
In force
4 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 06:20 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, 6.3 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 00:00Z on 1996-05-07Temperature 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, Lincoln, IL at 00:00Z on 1996-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
944 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
276 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 070623
FFWSTL
MOC163-071015-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
120 AM CDT TUE MAY 7 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  515 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...PIKE COUNTY
 
THUNDERSTORMS WITH HEAVY RAIN MOVED INTO PIKE COUNTY MISSOURI BETWEEN 11
PM AND 12 MIDNIGHT. AT 120 AM...RADAR INDICATED THAT THUNDERSTORMS WITH
HEAVY RAIN CONTINUED...AND EXTENDED FROM NEAR BOWLING GREEN TO NEAR
MOBERLY.  THESE STORMS WERE MOVING EAST-SOUTHEAST...AND WILL BRING
ADDITIONAL DOWNPOURS TO PIKE COUNTY MISSOURI OVER THE NEXT SEVERAL
HOURS.
 
PEOPLE IN BOWLING GREEN....LOUISIANA...AND CURRYVILLE SHOULD BE ON THE
LOOKOUT FOR FLASH FLOODING DURING THE PREDAWN HOURS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODING. NEVER DRIVE OR WALK INTO FLOOD WATER.
 
ZTRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 11:32 PM CDTFlash Flood WarningLSXMarion, Monroe, Ralls5 hr
May 6, 11:32 PM CDTFlash Flood WarningLSXShelby5 hr
May 7, 4:26 AM CDTFlash Flood WarningLSXMonroe, Ralls, Shelby3 hr
May 7, 4:26 AM CDTFlash Flood WarningLSXPike3 hr
May 7, 12:24 PM CDTFlash Flood WarningLSXCole, Moniteau4 hr
May 7, 2:56 PM CDTSevere Thunderstorm WarningLSXReynolds49 min

Nearby

Flash Flood Warnings in Missouri, 1996Every flash flood warning in 1996

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.