Alert archive / Missouri / Flash Flood Warnings in 1998

Flash Flood Warning 27, NWS St. Louis, MO

July 26, 1998Crawford County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jul 26, 1998, 10:14 AM CDT for Crawford 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
Jul 26, 1998, 10:14 AM CDT (15:14 UTC)
Expired
Jul 26, 1998, 2:00 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

County Crawford County, MO

The radar

The St Louis radar (KLSX), 97 km from the middle of the area, began a volume at 15:14 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 12:00Z, 3.2 hours before the alert went out and 251 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 12:00Z on 1998-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1017 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 12:00Z on 1998-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
1017 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 KSTL 261517
FFWSTL
MOC055-261900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1014 AM CDT SUN JUL 26 1998

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 200 PM CDT

* THE HEAVY RAINS OF THIS MORNING CONTINUE TO CAUSE FLOODING
  PROBLEMS IN PARTS OF CRAWFORD COUNTY.  THE CRAWFORD COUNTY
  SHERIFFS OFFICE AND MISSOURI WATER PATROL ARE NOW NOTIFYING
  RECREATIONAL INTERESTS ALONG THE MERAMEC RIVER AND HUZZAH CREEK TO
  MOVE TO HIGHER GROUND IMMEDIATELY...AS BOTH STREAMS HAVE RISEN
  DRAMATICALLY OVER THE PAST FEW HOURS.

* ALTHOUGH IT DOES APPEAR THAT THE HEAVIEST RAINS WILL BE TAPERING
  OFF IN CRAWFORD COUNTY AROUND 11 AM...THE RUNOFF WILL CONTINUE
  TO POSE FLOODING PROBLEMS INTO THE EARLY AFTERNOON HOURS.  AN
  AUTOMATED RAIN GAGE IN THE VIBURNUM AREA HAS RECEIVED OVER 4
  INCHES OF RAIN SINCE THE EARLY MORNING HOURS.  VIBURNUM IS
  ALONG THE CRAWFORD...IRON COUNTY LINE.

  RECREATIONAL INTERESTS ARE URGED TO FOLLOW THE ADVICE OF THE
  COUNTY SHERIFFS OFFICE AND OF THE MISSOURI WATER PATROL.  DO NOT
  WAIT...LEAVE THE RIVER AREA AND MOVE TO HIGHER GROUND NOW.

  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER ATTEMPT TO
  CROSS BRIDGES...DIPS...OR LOW-WATER CROSSINGS IF WATER COVERS THE
  ROAD. DO NOT DRIVE AROUND BARRICADES. IF YOUR VEHICLE STALLS
  ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. RAPIDLY RISING
  WATER MAY SWEEP THE VEHICLE AND ITS OCCUPANTS AWAY.

  TRUETT/AMS


&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 6:53 AM CDTFlash Flood WarningLSXCrawford4 hr
Jul 26, 8:38 AM CDTFlash Flood WarningLSXIron, Madison, Reynolds5 hr
Jul 26, 11:05 AM CDTFlash Flood WarningLSXCole, Moniteau3 hr
Jul 26, 11:05 AM CDTFlash Flood WarningLSXOsage3 hr

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.