Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 9, NWS Springfield, MO

May 18, 1997Miller County, Missouri

NWS Springfield, MO issued this flash flood warning at May 18, 1997, 2:01 AM CDT for Miller County, Missouri. It was in force for 89 min. 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 18, 1997, 2:01 AM CDT (07:01 UTC)
Expired
May 18, 1997, 3:30 AM CDT
In force
89 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Miller County, MO

The radar

The Springfield radar (KSGF), 138 km from the middle of the area, began a volume at 07:04 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, 7.0 hours before the alert went out and 190 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 1997-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1784 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 1997-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
1784 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1565 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 180702
FFWSGF
MOC131-180830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
201 AM CDT SUN MAY 18 1997

* FLASH FLOOD WARNING FOR
  SOUTHEASTERN MILLER COUNTY - CENTRAL MISSOURI

* UNTIL 330 AM CDT
 
* SOME AREAS OR STREAMS AFFECTED
  CREEKS AND LOW WATER BRIDGES NEAR IBERIA.
  INCLUDING HIGHWAY K TO THE SOUTHEAST OF IBERIA

* CAUSE AND EFFECT
  THUNDERSTORMS WITH HEAVY RAIN HAVE PRODUCED 3 TO 4 INCHES OF
  RAIN SINCE THIS EVENING OVER SOUTHEAST MILLER COUNTY.

* FORECAST CONDITIONS
  A LARGE AREA OF LIGHT TO MODERATE SHOWERS WILL CONTINUE TO
  MOVE EASTWARD ACROSS MILLER COUNTY...AS WELL AS MARIES
  PHELPS AND PULASKI COUNTIES WHERE A FLASH FLOOD WARNING REMAINS
  IN EFFECT UNTIL 345 AM...MAKING FLOODING LIKELY.
 
DURING THE DARKNESS OF NIGHT...FLOODED SECTIONS OF ROAD MAY NOT BE
VISIBLE TO MOTORISTS. SOME ROADWAYS MAY EVEN BE CLOSED.

RUNNELS

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:59 PM CDTSevere Thunderstorm WarningSGFBenton51 min
May 17, 8:49 PM CDTSevere Thunderstorm WarningSGFBenton51 min
May 17, 8:49 PM CDTSevere Thunderstorm WarningSGFPhelps51 min
May 17, 8:52 PM CDTSevere Thunderstorm WarningSGFMiller33 min
May 17, 9:09 PM CDTSevere Thunderstorm WarningSGFMaries, Pulaski51 min
May 17, 9:24 PM CDTSevere Thunderstorm WarningSGFMiller21 min
May 17, 9:40 PM CDTSevere Thunderstorm WarningSGFBenton35 min
May 17, 9:40 PM CDTSevere Thunderstorm WarningSGFPhelps35 min
May 17, 10:00 PM CDTSevere Thunderstorm WarningSGFMaries, Pulaski35 min
May 17, 10:10 PM CDTFlash Flood WarningSGFBenton4 hr
May 17, 10:16 PM CDTSevere Thunderstorm WarningSGFPhelps49 min
May 17, 10:36 PM CDTSevere Thunderstorm WarningSGFPulaski34 min
May 17, 10:40 PM CDTFlash Flood WarningSGFMaries, Phelps, Pulaski5 hr
May 17, 10:49 PM CDTSevere Thunderstorm WarningSGFSt. Clair, Vernon66 min
May 17, 11:35 PM CDTSevere Thunderstorm WarningSGFBenton, Hickory45 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.