Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 3, NWS St. Louis, MO

February 5, 2008Crawford County, Missouri

NWS St. Louis, MO issued this flash flood warning at Feb 5, 2008, 3:57 PM CST for Crawford County, Missouri. It was in force for 5 hr. 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: Feb 5, 2008, 3:57 PM CST (21:57 UTC)
Expired: Feb 5, 2008, 9:00 PM CST
In force: 5 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

County Crawford County, MO

The radar

The St Louis radar (KLSX), 109 km from the middle of the area, began a volume at 21:58 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, 8:52 PM CST	FLASH FLOOD	Steelville, MO	SEVERAL ROADS WITHIN THE COUNTY STILL UNDER A FOOT OF WATER...MAINLY LOW WATER CROSSINGS.
Feb 5, 9:01 PM CST	HEAVY RAIN 1.6	Cuba, MO	SINCE MIDNIGHT TO 9 PM.

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, 10.0 hours before the alert went out and 247 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 052159
FFWLSX
MOC055-060300-
/O.NEW.KLSX.FF.W.0003.080205T2157Z-080206T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 900 PM CST

* AT 354 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA. RADAR
  ESTIMATES OF 1 TO 3 INCHES OF RAIN HAS FALLEN OVER CRAWFORD COUNTY
  SINCE 2 PM.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING OAK HILL...CUBA...BOURBON...ROSATI AND LEASBURG.

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.

LAT...LON 3770 9132 3778 9132 3779 9154 3821 9154
      3820 9111 3788 9110 3787 9111 3774 9111
      3773 9116 3770 9116 3770 9130
TIME...MOT...LOC 2157Z 180DEG 0KT 3813 9145

$$

BYRD

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, 3:13 PM CST	Flash Flood Warning	LSX	Franklin, Gasconade, Osage	5 hr
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, 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.