Alert archive / Missouri / Flash Flood Warnings in 2002

Flash Flood Warning 75, NWS Springfield, MO

April 19, 2002Phelps County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 19, 2002, 6:26 PM CDT for Phelps 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 outline as issued.

The facts

Issued
Apr 19, 2002, 6:26 PM CDT (23:26 UTC)
Expired
Apr 20, 2002, 12:00 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County Phelps County, MO

The radar

The St Louis radar (KLSX), 128 km from the middle of the area, began a volume at 23:27 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, 11.4 hours before the alert went out and 213 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 2002-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1060 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 2002-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 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
1060 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 192326
FFWSGF
MOC161-200530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
626 PM CDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PHELPS COUNTY IN EAST CENTRAL MISSOURI

* UNTIL MIDNIGHT

* AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED 1 TO 2 INCHES OF RAIN OVER CENTRAL PHELPS  
  COUNTY NEAR THE ROLLA AREA.

* THUNDERSTORMS WILL PRODUCE TORRENTIAL RAINFALL IN THE WARNED AREA. 
  RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH   FLOODING TO 
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING                
  INCLUDE...ROLLA...ST. JAMES...NEWBURG AND DOOLITTLE.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES OF RAIN ARE POSSIBLE IN 
THE WARNED AREA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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.

LAT...LON 3804 9159 3784 9160 3763 9200 3802 9199

SS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 9:45 AM CDTSevere Thunderstorm WarningSGFDallas, Polk45 min
Apr 19, 11:17 AM CDTSevere Thunderstorm WarningSGFDent43 min
Apr 19, 11:40 AM CDTSevere Thunderstorm WarningSGFPulaski35 min
Apr 19, 11:58 AM CDTSevere Thunderstorm WarningSGFPhelps47 min
Apr 19, 12:00 PM CDTSevere Thunderstorm WarningSGFDent45 min
Apr 19, 12:14 PM CDTSevere Thunderstorm WarningSGFGreene, Webster46 min
Apr 19, 4:42 PM CDTSevere Thunderstorm WarningSGFCedar, Dallas, Hickory, Polk, St. Clair63 min
Apr 19, 4:49 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence41 min
Apr 19, 5:04 PM CDTSevere Thunderstorm WarningSGFCamden56 min
Apr 19, 5:25 PM CDTSevere Thunderstorm WarningSGFPhelps50 min
Apr 19, 5:49 PM CDTFlash Flood WarningSGFCamden6 hr
Apr 19, 6:15 PM CDTFlash Flood WarningSGFMaries, Miller, Pulaski6 hr
Apr 19, 6:33 PM CDTSevere Thunderstorm WarningSGFDent, Phelps, Texas42 min

Nearby

Flash Flood Warnings in Missouri, 2002Every flash flood warning in 2002

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.