Alert archive / Missouri / Flash Flood Warnings in 2007

Flash Flood Warning 39, NWS Kansas City, MO

October 17, 20077 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Oct 17, 2007, 7:02 PM CDT for 7 counties in 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: Oct 17, 2007, 7:02 PM CDT (00:02 UTC)
Expired: Oct 18, 2007, 1:00 AM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Adair County, MO, Chariton County, MO, Howard County, MO, Linn County, MO, Macon County, MO, Randolph County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 175 km from the middle of the area, began a volume at 00:05 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

Topeka, KS (KTOP), launched 00:00Z, 0.0 hours before the alert went out and 271 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: 169 J/kg
Mixed-layer CIN: -212 J/kg
Mixed-layer LCL: 885 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 500 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 180003
FFWEAX
MOC001-041-089-115-121-175-195-180600-
/O.NEW.KEAX.FF.W.0039.071018T0002Z-071018T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
702 PM CDT WED OCT 17 2007

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHARITON COUNTY IN NORTH CENTRAL MISSOURI
  MACON COUNTY IN NORTH CENTRAL MISSOURI
  NORTHEASTERN SALINE COUNTY IN CENTRAL MISSOURI
  NORTHWESTERN HOWARD COUNTY IN CENTRAL MISSOURI
  NORTHWESTERN RANDOLPH COUNTY IN NORTH CENTRAL MISSOURI
  SOUTHEASTERN LINN COUNTY IN NORTH CENTRAL MISSOURI
  SOUTHERN ADAIR COUNTY IN NORTHEAST MISSOURI

* UNTIL 100 AM CDT

* AT 656 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  RADAR HAS ESTIMATED 2 TO 3 INCHES OF RAIN HAD ALREADY FALLEN       
  ACROSS THE WARNED AREA IN THE PAST 2 HOURS...WITH ADDITIONAL       
  RAINFALL WHICH WILL CAUSE FLASH FLOODING EXPECTED.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GLASGOW...KIRKSVILLE...LA PLATA...MACON...MARCELINE...SALISBURY...
  ATLANTA...BEVIER...BRASHEAR...BRUNSWICK...BUCKLIN...CALLAO AND
  KEYTESVILLE.

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 OR IN A VEHICLE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
PLEASANT HILL.

LAT...LON 4006 9235 4002 9232 3997 9234 3996 9231
      3985 9230 3916 9286 3930 9320 3939 9315
      3938 9312 3941 9314 4023 9268 4022 9236

$$

21

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 17, 7:38 PM CDT	Areal Flood Warning	EAX	Buchanan, Clay, Clinton, Jackson, Platte	6 hr
Oct 17, 9:09 PM CDT	Flash Flood Warning	EAX	Adair, Schuyler	6 hr
Oct 17, 10:15 PM CDT	Areal Flood Advisory	EAX	Adair, Chariton, Grundy, Linn, Livingston, Mercer and 2 more	6 hr
Oct 17, 10:16 PM CDT	River Flood Warning	EAX	Clay, Ray	14 hr
Oct 17, 10:42 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis	33 min
Oct 18, 5:03 AM CDT	River Flood Warning	EAX	Cooper, Saline	21 hr
Oct 18, 5:03 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	29 hr
Oct 18, 6:20 AM CDT	Areal Flood Warning	EAX	Carroll	6 hr
Oct 18, 7:54 AM CDT	River Flood Warning	EAX	Carroll	12 hr
Oct 18, 9:58 AM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	11 hr
Oct 18, 9:58 AM CDT	River Flood Warning	EAX	Cooper, Howard	11 hr

Nearby

Flash Flood Warnings in Missouri, 2007 Every flash flood warning in 2007

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.