Alert archive / Missouri / Flash Flood Warnings in 2005

Flash Flood Warning 14, NWS St. Louis, MO

September 19, 2005Boone County, Missouri

NWS St. Louis, MO issued this flash flood warning at Sep 19, 2005, 6:21 PM CDT for Boone County, Missouri. It was in force for 114 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 19, 2005, 6:21 PM CDT (23:21 UTC)
Expired: Sep 19, 2005, 8:15 PM CDT
In force: 114 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Boone County, MO

The radar

The St Louis radar (KLSX), 147 km from the middle of the area, began a volume at 23:22 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.

What was reported inside it

Time	Report	Where	Remark
Sep 19, 6:35 PM CDT	FLASH FLOOD	Columbia, MO	ESTIMATED 2 TO 3 FEET OF WATER IN FLAT BRANCH PARK IN COLUMBIA.
Sep 19, 6:35 PM CDT	FLASH FLOOD	Columbia, MO	MOVING WATER AND WATER COVERING THE INTERSECTION OF HITT STREET AND ROLLINS ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.4 hours before the alert went out and 261 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 771 J/kg
Mixed-layer CIN: -346 J/kg
Mixed-layer LCL: 1510 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 132 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 
WGUS53 KLSX 192322
FFWLSX
MOC019-200115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
621 PM CDT MON SEP 19 2005

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 815 PM CDT

* AT 614 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH   
FLOODING FROM A LINE OF THUNDERSTORMS MOVING ACROSS THE WARNED AREA.

.LOCAL LAW ENFORCEMENT OFFICIALS HAVE REPORTED AS MUCH AS ONE FOOT 
OF WATER OVER SOME STREETS AND ROADWAYS IN THE CITY OF COLUMBIA. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3883 9245 3868 9229 3882 9217 3925 9213
      3926 9244 3899 9255

$$

WDB

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 18, 7:28 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Shelby	47 min
Sep 19, 4:18 PM CDT	Severe Thunderstorm Warning	LSX	Lewis	34 min
Sep 19, 4:53 PM CDT	Severe Thunderstorm Warning	LSX	Marion	52 min
Sep 19, 5:37 PM CDT	Severe Thunderstorm Warning	LSX	Boone	68 min
Sep 19, 5:48 PM CDT	Severe Thunderstorm Warning	LSX	Ralls	18 min
Sep 19, 6:03 PM CDT	Severe Thunderstorm Warning	LSX	Moniteau	72 min
Sep 19, 6:15 PM CDT	Tornado Warning	LSX	Moniteau	30 min
Sep 19, 6:18 PM CDT	Severe Thunderstorm Warning	LSX	Callaway	72 min
Sep 19, 6:28 PM CDT	Severe Thunderstorm Warning	LSX	Cole	52 min
Sep 19, 6:42 PM CDT	Severe Thunderstorm Warning	LSX	Moniteau	37 min
Sep 19, 6:44 PM CDT	Flash Flood Warning	LSX	Callaway, Montgomery	3 hr
Sep 19, 6:51 PM CDT	Severe Thunderstorm Warning	LSX	Osage	30 min
Sep 19, 6:54 PM CDT	Tornado Warning	LSX	Callaway	28 min
Sep 19, 6:59 PM CDT	Tornado Warning	LSX	Montgomery	46 min

Nearby

Flash Flood Warnings in Missouri, 2005 Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.