Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 1, NWS St. Louis, MO

February 5, 2008Franklin County, Gasconade County, Osage County, Missouri

NWS St. Louis, MO issued this flash flood warning at Feb 5, 2008, 3:13 PM CST for Franklin County, Gasconade County, Osage County, Missouri. It was in force for 5 hr. 1 report 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: Feb 5, 2008, 3:13 PM CST (21:13 UTC)
Expired: Feb 5, 2008, 8:15 PM CST
In force: 5 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Franklin County, MO, Gasconade County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 80 km from the middle of the area, began a volume at 21:15 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
Feb 5, 5:02 PM CST	HEAVY RAIN 0	Union, MO	MINOR FLOODING/PONDING OF WATER ON ROADS FROM UNION TO WASHINGTON. SOME DRAINAGE PROBLEMS REPORTED IN WASHINGTON.

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, 9.2 hours before the alert went out and 262 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: 325 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 477 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 052119
FFWLSX
MOC071-073-151-060215-
/O.NEW.KLSX.FF.W.0001.080205T2113Z-080206T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
313 PM CST TUE FEB 5 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OSAGE COUNTY IN CENTRAL MISSOURI
  FRANKLIN COUNTY IN EAST CENTRAL MISSOURI
  GASCONADE COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 815 PM CST

* AT 311 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  FLASH FLOODING OVER THE WARNED AREA. RADAR ESTIMATES 1 TO 2 INCHES
  OF RAIN HAS FALLEN OVER SOUTHERN PORTIONS OF OSAGE...FRANKLIN...
  AND GASCONADE SINCE 1 PM.  EXPECT AN ADDITIONAL 1 TO 3 INCHES OF   
  RAIN OVER THESE AREAS OVER THE NEXT FEW HOURS.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING WESTPHALIA...WASHINGTON...VILLA RIDGE...UNION...ST.
  CLAIR...ROSEBUD...RICH FOUNTAIN...PARKWAY...PACIFIC...OWENSVILLE...
  NEW HAVEN...MOUNT STERLING...LINN...HERMANN...GRAY SUMMIT...
  GERALD...DRAKE...CHAMOIS AND BEAUFORT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3829 9166 3829 9219 3836 9219 3840 9212
      3846 9217 3847 9204 3856 9202 3871 9172
      3868 9159 3871 9134 3861 9120 3861 9106
      3854 9095 3858 9078 3863 9074 3821 9078
      3821 9154 3816 9155 3816 9165
TIME...MOT...LOC 2113Z 180DEG 0KT 3832 9144

$$

FUCHS

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 4, 8:08 PM CST	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike	52 min
Feb 4, 9:14 PM CST	Severe Thunderstorm Warning	LSX	Lincoln	31 min
Feb 4, 9:27 PM CST	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Warren	48 min
Feb 4, 9:59 PM CST	Severe Thunderstorm Warning	LSX	Callaway, Osage	26 min
Feb 4, 10:13 PM CST	Severe Thunderstorm Warning	LSX	Gasconade, Lincoln, Montgomery, Warren	47 min
Feb 4, 10:57 PM CST	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Warren	48 min
Feb 4, 11:37 PM CST	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	38 min
Feb 5, 4:20 AM CST	Winter Weather Advisory	LSX	Knox, Lewis, Marion, Shelby	35 hr
Feb 5, 3:08 PM CST	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Warren	39 min
Feb 5, 3:36 PM CST	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles	24 min
Feb 5, 3:37 PM CST	Flash Flood Warning	LSX	Saint Charles, Warren	5 hr
Feb 5, 3:56 PM CST	Severe Thunderstorm Warning	LSX	Saint Charles	35 min
Feb 5, 3:57 PM CST	Flash Flood Warning	LSX	Crawford	5 hr
Feb 5, 4:30 PM CST	Severe Thunderstorm Warning	LSX	Jefferson, Saint Francois, Washington	29 min
Feb 5, 5:35 PM CST	Severe Thunderstorm Warning	LSX	Crawford, Iron, Reynolds, Washington	26 min

Nearby

Flash Flood Warnings in Missouri, 2008 Every flash flood warning in 2008

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.