Alert archive / Missouri / Flash Flood Warnings in 1998

Flash Flood Warning 101, NWS Springfield, MO

June 4, 1998Maries County, Missouri

NWS Springfield, MO issued this flash flood warning at Jun 4, 1998, 6:16 AM CDT for Maries 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
Jun 4, 1998, 6:16 AM CDT (11:16 UTC)
Expired
Jun 4, 1998, 10:30 AM CDT
In force
4 hr
Issued by
NWS Springfield, MO
Area
Whole counties

County Maries County, MO

The radar

The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 11:20 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

Springfield, MO (KSGF), launched 00:00Z, 11.3 hours before the alert went out and 217 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 1998-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 860 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 1998-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 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
860 J/kg
Mixed-layer CIN
-307 J/kg
Mixed-layer LCL
1057 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
535 m²/s²
Significant tornado parameter
0.0
Supercell composite
11.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 041117
FFWSGF
MOC125-041530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
616 AM CDT THU JUN 4 1998

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MARIES COUNTY IN CENTRAL MISSOURI

* UNTIL 1030 AM CDT

* AT 613 AM DOPPLER RADAR INDICATED THUNDERSTORM OVER MARIES COUNTY
  MOVING EAST NORTHEAST AT 30 MPH.

* TWO AND THREE INCHES OF RAIN HAD FALLEN IN MARIES COUNTY SINCE 300
  AM AND AN ADDITIONAL ONE TO TWO INCHES OF RAIN IS POSSIBLE THROUGH 800
  AM. FLOODING OF LOW AREAS...INCLUDING LOW WATER CROSSINGS...WILL
  DEVELOP.

BECAUSE OF THE HILLY TERRAIN ACROSS THE OZARKS...THERE ARE HUNDREDS OF
LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN.  DO
NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS.  FIND ALTERNATE ROUTES.

SUTTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 4:27 AM CDTFlash Flood WarningSGFMiller, Morgan4 hr
Jun 4, 8:36 AM CDTFlash Flood WarningSGFMiller, Morgan4 hr
Jun 4, 8:36 AM CDTFlash Flood WarningSGFMaries4 hr
Jun 4, 10:26 AM CDTFlash Flood WarningSGFBenton3 hr
Jun 4, 12:34 PM CDTFlash Flood WarningSGFMaries, Miller4 hr
Jun 4, 12:34 PM CDTFlash Flood WarningSGFMorgan4 hr
Jun 4, 2:47 PM CDTSevere Thunderstorm WarningSGFMorgan33 min
Jun 4, 4:17 PM CDTFlash Flood WarningSGFBenton, Morgan6 hr
Jun 4, 4:17 PM CDTFlash Flood WarningSGFMaries, Miller6 hr
Jun 4, 4:34 PM CDTFlash Flood WarningSGFSt. Clair5 hr
Jun 4, 4:34 PM CDTFlash Flood WarningSGFCamden5 hr
Jun 4, 5:32 PM CDTSevere Thunderstorm WarningSGFDallas, Laclede63 min

Nearby

Flash Flood Warnings in Missouri, 1998Every flash flood warning in 1998

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.