Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 92, NWS Springfield, MO

December 24, 1997Vernon County, Missouri

NWS Springfield, MO issued this flash flood warning at Dec 24, 1997, 5:30 AM CST for Vernon 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
Dec 24, 1997, 5:30 AM CST (11:30 UTC)
Expired
Dec 24, 1997, 9:30 AM CST
In force
4 hr
Issued by
NWS Springfield, MO
Area
Whole counties

County Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 107 km from the middle of the area, began a volume at 11:30 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

Springfield, MO (KSGF), launched 00:00Z, 11.5 hours before the alert went out and 116 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, Springfield, MO at 00:00Z on 1997-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1997-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.1939587897117Sfc1 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
5 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
504 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
97 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 KSGF 241133
FFWSGF
MOC217-241530-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
530 AM CST WED DEC 24 1997

* FLOOD WARNING FOR
  VERNON COUNTY - WEST CENTRAL MISSOURI
* UNTIL 930 AM CST
 
* SOME AREAS OR STREAMS AFFECTED
  AREAS ALONG THE MARMATON AND LITTLE OSAGE RIVERS
  HIGHWAY V A HALF MILE NORTH OF ROUTE D IN STOTESBURY
  HIGHWAY KK 4.5 MILES WEST OF ROUTE 43
  IN THE CITY OF NEVADA

* CAUSE AND EFFECT
  LOCALLY MODERATE RAIN CONTINUES TO FALL OVER VERNON COUNTY.
  THE SHERIFFS OFFICE REPORTS THAT DITCHES ARE NEAR BANKFUL...
  AND THAT AREAS ALONG THE MARMATON RIVER ARE BEGINNING TO
  FLOOD.

* FORECAST CONDITIONS
  MODERATE RAIN WILL CONTINUE THROUGH MID MORNING BEFORE TURNING OVER
  TO A MIXTURE OF RAIN...SNOW AND SOME SLEET.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.

GORDON

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.