Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 2, NWS Springfield, MO

February 20, 1997Barry County, McDonald County, Missouri

NWS Springfield, MO issued this flash flood warning at Feb 20, 1997, 9:14 PM CST for Barry County, McDonald 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
Feb 20, 1997, 9:14 PM CST (03:14 UTC)
Expired
Feb 21, 1997, 1:15 AM CST
In force
4 hr
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Barry County, MO, McDonald County, MO

The radar

The Springfield radar (KSGF), 88 km from the middle of the area, began a volume at 03:18 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, 3.2 hours before the alert went out and 36 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 1997-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 joules per kilogram.LCLLFCEL10008507005003002001001 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 1997-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 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
267 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSGF 210316
FFWSGF
MOC009-011-097-119-145-210715-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
914 PM CST THU FEB 20 1997
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  115 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSOURI
 
   ...BARRY COUNTY...BARTON COUNTY...JASPER COUNTY
   ...MCDONALD COUNTY...NEWTON COUNTY
 
AT 913 PM CST RADAR IN SPRINGFIELD INDICATED A LARGE AREA OF MODERATE TO
HEAVY RAINFALL OVER EXTREME NORTHWEST ARKANSAS AND SOUTHWEST MISSOURI.
THESE SHOWERS AND THUNDERSTORMS WERE MOVING NORTH NORTHEAST AT NEAR 40
MPH AND WILL PRODUCE ONE TO TWO INCHES OF RAIN THROUGH MIDNIGHT. THIS IS
IN ADDITION TO THE ONE INCH OF RAIN THAT FELL THIS MORNING.
 
BE AWARE THAT LOW WATER CROSSINGS WILL LIKELY BECOME COVERED BY WATER IN
THE WARNED AREA. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
MS/GH

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 9:07 PM CSTSevere Thunderstorm WarningSGFBarry, McDonald53 min
Feb 20, 9:14 PM CSTFlash Flood WarningSGFBarton, Jasper, Newton4 hr
Feb 20, 9:46 PM CSTSevere Thunderstorm WarningSGFStone44 min
Feb 20, 9:55 PM CSTSevere Thunderstorm WarningSGFBarry, Lawrence65 min
Feb 20, 10:10 PM CSTSevere Thunderstorm WarningSGFDade, Greene65 min
Feb 20, 10:10 PM CSTSevere Thunderstorm WarningSGFChristian65 min
Feb 20, 10:29 PM CSTSevere Thunderstorm WarningSGFOzark46 min
Feb 20, 10:40 PM CSTSevere Thunderstorm WarningSGFDallas, Douglas, Webster65 min
Feb 20, 10:40 PM CSTSevere Thunderstorm WarningSGFPolk65 min
Feb 20, 11:30 PM CSTSevere Thunderstorm WarningSGFHowell, Texas60 min

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.