Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 79, NWS Springfield, MO

August 19, 1997Benton County, Hickory County, St. Clair County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 19, 1997, 5:25 AM CDT for Benton County, Hickory County, St. Clair 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
Aug 19, 1997, 5:25 AM CDT (10:25 UTC)
Expired
Aug 19, 1997, 11:30 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Benton County, MO, Hickory County, MO, St. Clair County, MO

The radar

The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 10:24 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, 10.4 hours before the alert went out and 136 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 1997-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1009 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 00:00Z on 1997-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.193958Sfc1 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
1009 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
51 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 KSGF 191035
FFWSGF
MOC015-085-185-191630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
525 AM CDT TUE AUG 19 1997

* FLASH FLOOD WARNING FOR
  BENTON COUNTY - CENTRAL MISSOURI
  HICKORY COUNTY - CENTRAL MISSOURI
  ST. CLAIR COUNTY - WEST CENTRAL MISSOURI

* UNTIL 1130 AM CDT
 
* SOME AREAS OR STREAMS AFFECTED
  LOW WATER BRIDGE ON STARK CREEK 4 MILES SOUTH OF CROSS
  TIMBERS.

* CAUSE AND EFFECT
  AT 515AM RADAR INDICTATED 2.5 TO 3.0 INCHES OF RAIN HAS
  FALLEN OVER NORTHERN HICKORY...NORTHERN ST. CLAIR AND
  SOUTHWESTERN BENTON COUNTIES

* FORECAST CONDITIONS
  THUNDERSTORMS WILL CONTINUE TO MOVE OVER THIS AREA FOR THE
  NEXT TWO HOURS WHICH COULD PRODUCE ANOTHER 1.O TO 2.O INCHES
  OF RAIN.
 
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.



SS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 6:45 AM CDTFlash Flood WarningSGFCamden, Dallas, Laclede, Miller, Morgan, Pulaski6 hr
Aug 19, 6:45 AM CDTFlash Flood WarningSGFDent, Phelps6 hr
Aug 19, 6:45 AM CDTFlash Flood WarningSGFCedar, Polk6 hr
Aug 19, 6:45 AM CDTFlash Flood WarningSGFMaries6 hr
Aug 19, 11:43 AM CDTFlash Flood WarningSGFHickory3 hr

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.